...
2025-08-15 08:40
1126
wholesale r900 tio2
...
2025-08-15 08:35
2500
Anatase Titanium Dioxide (TiO2), a form of titanium dioxide with exceptional photocatalytic properties, is a crucial material in various industries, particularly in the production of paints, coatings, and even solar cells. The global market for anatase TiO2 is dominated by a number of reputable factories, each contributing significantly to the supply chain with their competitive quotes.
...
2025-08-15 08:17
1648
...
2025-08-15 08:15
855
In conclusion, titanium dioxide rutile manufacturers play a vital role in the production and supply of this essential pigment to various industries. By focusing on quality, sustainability, innovation, and customer relationships, manufacturers can meet market demands, drive growth, and contribute to the overall success of the titanium dioxide rutile industry.
...
2025-08-15 08:03
2552
...
2025-08-15 07:51
2158
%
...
2025-08-15 07:43
2012
The global titanium dioxide (TiO2) market, with a production capacity of around 10 million metric tons per year, is a testament to the significance of these factories. Ranging from small-scale operations to large, state-of-the-art facilities, they form an integral part of the chemical industry's landscape, particularly in countries like China, the United States, and Russia, where production is most concentrated.
...
2025-08-15 06:38
1993
...
2025-08-15 06:28
963
Our engineers employ a rigorous approach to process control, leveraging real-time analytics and automation to monitor reaction conditions, temperature profiles, and material flows. This ensures not only the repeatability of our TiO2 powder's quality but also optimizes resource consumption, aligning with our sustainable manufacturing philosophy.
...
2025-08-15 06:11
1201
VOC, or Volatile Organic Compounds, are chemicals often found in traditional road paints that can have adverse effects on both human health and the environment. However, ceramic VOC road line paints have significantly lower or even zero VOC content, making them an eco-conscious choice for modern construction projects. The ceramic component imparts exceptional resistance to wear and tear, UV degradation, and weathering, ensuring the longevity of the markings.
The main food categories contributing to dietary exposure of E171 are fine bakery wares, soups, broths and sauces (for infants, toddlers and adolescents); and soups, broths, sauces, salads and savoury based sandwich spreads (for children, adults and the elderly). Processed nuts are also a main contributing food category for adults and the elderly.
- 4. Water-Resistant Titanium dioxide-based sunscreens tend to be more water-resistant than those containing chemical sunscreen ingredients, making them a good choice for outdoor activities.
Titanium dioxide is an inert earth mineral used as a thickening, opacifying, and sunscreen ingredient in cosmetics. It protects skin from UVA and UVB radiation and is considered non-risky in terms of of skin sensitivity. Because it is gentle, titanium dioxide is a great sunscreen active for sensitive, redness-prone skin. It’s great for use around the eyes, as it is highly unlikely to cause stinging.
For a mini-review published in the journal Particle and Fibre Technology in 2021, scientists wanted to evaluate whether Ti02 particles contributed to the development and/or exacerbation of irritable bowel disease, and whether they altered the four elements of intestinal barrier function: the intestinal microbiota, the immune system, the mucus layer, and the epithelium. The breakdown of these four elements can contribute to autoimmune, neurological, inflammatory, infectious, and metabolic diseases. Following their review, the researchers concluded: “Data indicate that TiO2 is able to alter the four compartments of IBF and to induce a low-grade intestinal inflammation associated or not with pre-neoplastic lesions.”
- With such a broad spectrum of utility, selecting the right barium zinc sulfate supplier becomes a matter of significant importance for manufacturers
barium zinc sulphate supplier. Reliability, purity standards, consistent supply chains, and competitive pricing are all factors that must be considered when choosing a supplier. A reputable supplier should also provide comprehensive technical support and be capable of meeting stringent quality control measures to ensure that the barium zinc sulfate supplied meets the specific needs of each industrial process.
- The TIO2 BLR-895 A Revolution in Data Transmission
-
- The Transformative Power of TIO2 in Industrial Facilities
Lithopone B301
Density - For manufacturers, the use of dimethicone and titanium dioxide offers several advantages. Firstly, these ingredients are relatively inexpensive and easy to source, making them an attractive option for budget-conscious consumers. Secondly, they are versatile and can be used in a wide range of cosmetic products, allowing manufacturers to create a diverse product line that appeals to a broad audience. Finally, the combination of dimethicone and titanium dioxide provides excellent stability and consistency, ensuring that the final product performs as intended.
- Titanium Dioxide A Versatile and Essential Ingredient in the Wholesale Market
- Scattering is strong when the difference in the refractive index of particle & matrix, Δn = np - nm, is big
The refractive index of binders used in coatings and inks is around 1.55. Titanium Dioxide is preferably used as a scattering source because the pigment does not absorb visible light and it has a high refractive index.
In the food and pharmaceutical industries, titanium dioxide powder is used as a white pigment in a variety of products, including candies, toothpaste, and medications. It is important for suppliers to provide titanium dioxide powder that is safe for use in food and pharmaceutical applications and complies with strict regulatory requirements. In addition to quality, price is a key consideration when selecting a supplier. Look for a supplier that offers competitive pricing on their anatase titanium dioxide pigment
anatase titanium dioxide pigment price supplier. While it is important to find a supplier that offers affordable prices, it is equally important to ensure that the quality of the pigment is not compromised in the pursuit of lower costs. Lithopone is a unique and versatile material that has been widely used in various industries for its excellent properties. As a raw material supplier, it is crucial to ensure the quality and availability of lithopone to meet the demands of our customers. In the micronization stage, TiO2 particles are reduced to submicron sizes. This can be achieved through various milling techniques, including ball milling, media milling, or jet milling. These methods use mechanical action to break down larger particles into finer ones, ensuring that the TiO2 meets the stringent requirements for applications that need high-purity, small-particle-size pigments. Another notable supplier is Company B, who specializes in customized solutions
One of the primary advantages of wholesale dimethicone titanium dioxide is its ability to provide long-lasting moisture retention. The dimethicone component helps to lock in moisture, keeping skin hydrated and plump throughout the day. This makes it an ideal ingredient for use in moisturizers, serums, and facial oils, as it helps to maintain the skin's natural barrier function and prevent premature aging. After beneficiation, the barium sulfate is then processed into superfine particles In the micronization stage, TiO2 particles are reduced to submicron sizes. This can be achieved through various milling techniques, including ball milling, media milling, or jet milling. These methods use mechanical action to break down larger particles into finer ones, ensuring that the TiO2 meets the stringent requirements for applications that need high-purity, small-particle-size pigments. When selecting a Lithopone 28-30% B301 or B311 supplier, it's crucial to consider factors such as product quality, consistency, sustainability, and technical support. A strong partnership with a reliable supplier can significantly impact a company's productivity, cost-effectiveness, and overall success in the market. Introduction In addition to its advanced manufacturing processes, c1 77891 factory also focuses on sustainability and environmental responsibility Dispersing Agent, Acrylic Ponceau 4R, also known as cochineal red, is a natural dye derived from the cochineal insect. It has been used for centuries to add color to foods and beverages, giving them a rich and vibrant red hue. However, one of the main drawbacks of Ponceau 4R is its instability, which can cause the color to fade over time or under certain conditions such as exposure to heat or light. 3. What is EFSA saying in its 2021 opinion on the safety of titanium dioxide as a food additive?
Alterations in gut microbiota
Acetaldehyde ethyl isobutyl acetal. In addition to our focus on product quality, we also place a strong emphasis on environmental sustainability in our manufacturing processes. We are dedicated to minimizing our environmental impact through the responsible use of resources, waste reduction initiatives, and compliance with all relevant environmental regulations. The disadvantage of Titanium Dioxide is that it's not cosmetically elegant, meaning it's a white, unspreadable mess. Sunscreens containing Titanium Dioxide are often hard to spread on the skin and they leave a disturbing whitish tint. The cosmetic industry is, of course, really trying to solve this problem and the best solution so far is using nanoparticles. The itsy-bitsy Nano-sized particles improve both spreadability and reduce the whitish tint a lot, but unfortunately, it also introduces new health concerns.
Customer service is equally important. Top suppliers provide comprehensive technical support, assisting customers in selecting the most suitable product for their specific applications. They also offer personalized solutions, understanding that each client's needs may differ. Environmental considerations are also paramount in the production and supply of titanium dioxide. Manufacturers and suppliers are increasingly adopting greener technologies and practices to reduce the environmental footprint associated with mining, refining, and transportation. Efforts include improving energy efficiency in the production processes, implementing waste recovery systems, and exploring alternative sources of titanium that minimize ecological disruption. Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996 Safety
≥28.0
The leaching of the electrolytic zinc acid leaching slag: 1500 ml of ammonia-ammonium sulphate solution is used as the ammonia immersion liquid, wherein the ammonia concentration is 6. Omol / ammonium sulfate molar concentration is 0. 9mol / L, added per cubic meter of ammonia immersion liquid 0. 075kg of sodium dodecylbenzenesulfonate, 0. 45kg of sodium fluorosilicate, 0.75kg of dicyandiamide. 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 %), added to the above ammonia-ammonium sulfate immersion liquid for three-stage leaching, each leaching time is 2 hours, after solid-liquid separation, 1450ml final immersion liquid (taken away in the remaining liquid slag), zinc leaching The rate of 90. 02%; the final solution containing zinc 65. 6g / L; containing S0 4 2 - 69. 64g / L ; Furthermore, wholesalers of titanium dioxide for paint often provide technical support and expertise to paint companies. They can offer guidance on the proper handling and storage of titanium dioxide, as well as recommendations for optimizing paint formulations for performance and cost efficiency. This technical assistance helps paint manufacturers improve their processes and enhance the quality of their products. In the realm of sustainability, these factories are increasingly adopting eco-friendly practices. From recycling waste materials to reducing energy consumption, they strive to minimize their carbon footprint while maintaining production standards. This commitment to green manufacturing aligns with global efforts towards a more sustainable future. One of the key factors to consider when choosing a supplier of rutile titanium dioxide is the quality of the product. The supplier should have a reputation for providing high-quality titanium dioxide that meets industry standards. This includes ensuring that the product has a high level of purity, excellent dispersibility, and consistent particle size distribution. The supplier should also have a robust quality control system in place to monitor the production process and ensure that the product meets customer requirements. Furthermore, pigment suppliers offer a wide range of lithopone grades to cater to different industry needs. Whether a manufacturer requires a high-brightness grade for a premium product or a cost-effective grade for a budget-friendly option, suppliers can provide the right type of lithopone to meet their requirements. The manufacturing process of high-quality Rutile Titanium Dioxide in specialized factories is a complex and precise operation. These factories employ cutting-edge technology and rigorous quality control measures to ensure the optimal purity and performance of the final product. The process typically involves mining, chemical treatment, calcination, and finally, crystal formation. Each step is crucial in determining the whiteness, opacity, and durability of the TiO2. One of the main applications of titanium dioxide in paper is in the production of high-quality coated papers. Titanium dioxide is often added to the coating formulations to enhance the whiteness and brightness of the paper surface. This helps to improve the print quality of the paper, as it provides a smooth and even surface for ink to adhere to. The high opacity of titanium dioxide also helps to prevent show-through, making the printed text or images more vibrant and legible.
...
2025-08-15 08:35
2500
Anatase Titanium Dioxide (TiO2), a form of titanium dioxide with exceptional photocatalytic properties, is a crucial material in various industries, particularly in the production of paints, coatings, and even solar cells. The global market for anatase TiO2 is dominated by a number of reputable factories, each contributing significantly to the supply chain with their competitive quotes.
...
2025-08-15 08:17
1648
...
2025-08-15 08:15
855
In conclusion, titanium dioxide rutile manufacturers play a vital role in the production and supply of this essential pigment to various industries. By focusing on quality, sustainability, innovation, and customer relationships, manufacturers can meet market demands, drive growth, and contribute to the overall success of the titanium dioxide rutile industry.
...
2025-08-15 08:03
2552
...
2025-08-15 07:51
2158
%
...
2025-08-15 07:43
2012
The global titanium dioxide (TiO2) market, with a production capacity of around 10 million metric tons per year, is a testament to the significance of these factories. Ranging from small-scale operations to large, state-of-the-art facilities, they form an integral part of the chemical industry's landscape, particularly in countries like China, the United States, and Russia, where production is most concentrated.
...
2025-08-15 06:38
1993
...
2025-08-15 06:28
963
Our engineers employ a rigorous approach to process control, leveraging real-time analytics and automation to monitor reaction conditions, temperature profiles, and material flows. This ensures not only the repeatability of our TiO2 powder's quality but also optimizes resource consumption, aligning with our sustainable manufacturing philosophy.
...
2025-08-15 06:11
1201
VOC, or Volatile Organic Compounds, are chemicals often found in traditional road paints that can have adverse effects on both human health and the environment. However, ceramic VOC road line paints have significantly lower or even zero VOC content, making them an eco-conscious choice for modern construction projects. The ceramic component imparts exceptional resistance to wear and tear, UV degradation, and weathering, ensuring the longevity of the markings.
The main food categories contributing to dietary exposure of E171 are fine bakery wares, soups, broths and sauces (for infants, toddlers and adolescents); and soups, broths, sauces, salads and savoury based sandwich spreads (for children, adults and the elderly). Processed nuts are also a main contributing food category for adults and the elderly.
- 4. Water-Resistant Titanium dioxide-based sunscreens tend to be more water-resistant than those containing chemical sunscreen ingredients, making them a good choice for outdoor activities.
Titanium dioxide is an inert earth mineral used as a thickening, opacifying, and sunscreen ingredient in cosmetics. It protects skin from UVA and UVB radiation and is considered non-risky in terms of of skin sensitivity. Because it is gentle, titanium dioxide is a great sunscreen active for sensitive, redness-prone skin. It’s great for use around the eyes, as it is highly unlikely to cause stinging.
For a mini-review published in the journal Particle and Fibre Technology in 2021, scientists wanted to evaluate whether Ti02 particles contributed to the development and/or exacerbation of irritable bowel disease, and whether they altered the four elements of intestinal barrier function: the intestinal microbiota, the immune system, the mucus layer, and the epithelium. The breakdown of these four elements can contribute to autoimmune, neurological, inflammatory, infectious, and metabolic diseases. Following their review, the researchers concluded: “Data indicate that TiO2 is able to alter the four compartments of IBF and to induce a low-grade intestinal inflammation associated or not with pre-neoplastic lesions.”
- With such a broad spectrum of utility, selecting the right barium zinc sulfate supplier becomes a matter of significant importance for manufacturersbarium zinc sulphate supplier. Reliability, purity standards, consistent supply chains, and competitive pricing are all factors that must be considered when choosing a supplier. A reputable supplier should also provide comprehensive technical support and be capable of meeting stringent quality control measures to ensure that the barium zinc sulfate supplied meets the specific needs of each industrial process.
- The TIO2 BLR-895 A Revolution in Data Transmission
-
- The Transformative Power of TIO2 in Industrial Facilities
Lithopone B301
Density - For manufacturers, the use of dimethicone and titanium dioxide offers several advantages. Firstly, these ingredients are relatively inexpensive and easy to source, making them an attractive option for budget-conscious consumers. Secondly, they are versatile and can be used in a wide range of cosmetic products, allowing manufacturers to create a diverse product line that appeals to a broad audience. Finally, the combination of dimethicone and titanium dioxide provides excellent stability and consistency, ensuring that the final product performs as intended.
- Titanium Dioxide A Versatile and Essential Ingredient in the Wholesale Market
- Scattering is strong when the difference in the refractive index of particle & matrix, Δn = np - nm, is big
The refractive index of binders used in coatings and inks is around 1.55. Titanium Dioxide is preferably used as a scattering source because the pigment does not absorb visible light and it has a high refractive index.
...
2025-08-15 08:15
855
In conclusion, titanium dioxide rutile manufacturers play a vital role in the production and supply of this essential pigment to various industries. By focusing on quality, sustainability, innovation, and customer relationships, manufacturers can meet market demands, drive growth, and contribute to the overall success of the titanium dioxide rutile industry.
...
2025-08-15 08:03
2552
...
2025-08-15 07:51
2158
%
...
2025-08-15 07:43
2012
The global titanium dioxide (TiO2) market, with a production capacity of around 10 million metric tons per year, is a testament to the significance of these factories. Ranging from small-scale operations to large, state-of-the-art facilities, they form an integral part of the chemical industry's landscape, particularly in countries like China, the United States, and Russia, where production is most concentrated.
...
2025-08-15 06:38
1993
...
2025-08-15 06:28
963
Our engineers employ a rigorous approach to process control, leveraging real-time analytics and automation to monitor reaction conditions, temperature profiles, and material flows. This ensures not only the repeatability of our TiO2 powder's quality but also optimizes resource consumption, aligning with our sustainable manufacturing philosophy.
...
2025-08-15 06:11
1201
...
2025-08-15 07:51
2158
%
...
2025-08-15 07:43
2012
The global titanium dioxide (TiO2) market, with a production capacity of around 10 million metric tons per year, is a testament to the significance of these factories. Ranging from small-scale operations to large, state-of-the-art facilities, they form an integral part of the chemical industry's landscape, particularly in countries like China, the United States, and Russia, where production is most concentrated.
...
2025-08-15 06:38
1993
...
2025-08-15 06:28
963
Our engineers employ a rigorous approach to process control, leveraging real-time analytics and automation to monitor reaction conditions, temperature profiles, and material flows. This ensures not only the repeatability of our TiO2 powder's quality but also optimizes resource consumption, aligning with our sustainable manufacturing philosophy.
...
2025-08-15 06:11
1201
VOC, or Volatile Organic Compounds, are chemicals often found in traditional road paints that can have adverse effects on both human health and the environment. However, ceramic VOC road line paints have significantly lower or even zero VOC content, making them an eco-conscious choice for modern construction projects. The ceramic component imparts exceptional resistance to wear and tear, UV degradation, and weathering, ensuring the longevity of the markings.
The main food categories contributing to dietary exposure of E171 are fine bakery wares, soups, broths and sauces (for infants, toddlers and adolescents); and soups, broths, sauces, salads and savoury based sandwich spreads (for children, adults and the elderly). Processed nuts are also a main contributing food category for adults and the elderly.
- 4. Water-Resistant Titanium dioxide-based sunscreens tend to be more water-resistant than those containing chemical sunscreen ingredients, making them a good choice for outdoor activities.
Titanium dioxide is an inert earth mineral used as a thickening, opacifying, and sunscreen ingredient in cosmetics. It protects skin from UVA and UVB radiation and is considered non-risky in terms of of skin sensitivity. Because it is gentle, titanium dioxide is a great sunscreen active for sensitive, redness-prone skin. It’s great for use around the eyes, as it is highly unlikely to cause stinging.
For a mini-review published in the journal Particle and Fibre Technology in 2021, scientists wanted to evaluate whether Ti02 particles contributed to the development and/or exacerbation of irritable bowel disease, and whether they altered the four elements of intestinal barrier function: the intestinal microbiota, the immune system, the mucus layer, and the epithelium. The breakdown of these four elements can contribute to autoimmune, neurological, inflammatory, infectious, and metabolic diseases. Following their review, the researchers concluded: “Data indicate that TiO2 is able to alter the four compartments of IBF and to induce a low-grade intestinal inflammation associated or not with pre-neoplastic lesions.”
- With such a broad spectrum of utility, selecting the right barium zinc sulfate supplier becomes a matter of significant importance for manufacturersbarium zinc sulphate supplier. Reliability, purity standards, consistent supply chains, and competitive pricing are all factors that must be considered when choosing a supplier. A reputable supplier should also provide comprehensive technical support and be capable of meeting stringent quality control measures to ensure that the barium zinc sulfate supplied meets the specific needs of each industrial process.
- The TIO2 BLR-895 A Revolution in Data Transmission
-
- The Transformative Power of TIO2 in Industrial Facilities
Lithopone B301
Density - For manufacturers, the use of dimethicone and titanium dioxide offers several advantages. Firstly, these ingredients are relatively inexpensive and easy to source, making them an attractive option for budget-conscious consumers. Secondly, they are versatile and can be used in a wide range of cosmetic products, allowing manufacturers to create a diverse product line that appeals to a broad audience. Finally, the combination of dimethicone and titanium dioxide provides excellent stability and consistency, ensuring that the final product performs as intended.
- Titanium Dioxide A Versatile and Essential Ingredient in the Wholesale Market
- Scattering is strong when the difference in the refractive index of particle & matrix, Δn = np - nm, is big
The refractive index of binders used in coatings and inks is around 1.55. Titanium Dioxide is preferably used as a scattering source because the pigment does not absorb visible light and it has a high refractive index.
VOC, or Volatile Organic Compounds, are chemicals often found in traditional road paints that can have adverse effects on both human health and the environment. However, ceramic VOC road line paints have significantly lower or even zero VOC content, making them an eco-conscious choice for modern construction projects. The ceramic component imparts exceptional resistance to wear and tear, UV degradation, and weathering, ensuring the longevity of the markings.
The main food categories contributing to dietary exposure of E171 are fine bakery wares, soups, broths and sauces (for infants, toddlers and adolescents); and soups, broths, sauces, salads and savoury based sandwich spreads (for children, adults and the elderly). Processed nuts are also a main contributing food category for adults and the elderly.
- 4. Water-Resistant Titanium dioxide-based sunscreens tend to be more water-resistant than those containing chemical sunscreen ingredients, making them a good choice for outdoor activities.
Titanium dioxide is an inert earth mineral used as a thickening, opacifying, and sunscreen ingredient in cosmetics. It protects skin from UVA and UVB radiation and is considered non-risky in terms of of skin sensitivity. Because it is gentle, titanium dioxide is a great sunscreen active for sensitive, redness-prone skin. It’s great for use around the eyes, as it is highly unlikely to cause stinging.
For a mini-review published in the journal Particle and Fibre Technology in 2021, scientists wanted to evaluate whether Ti02 particles contributed to the development and/or exacerbation of irritable bowel disease, and whether they altered the four elements of intestinal barrier function: the intestinal microbiota, the immune system, the mucus layer, and the epithelium. The breakdown of these four elements can contribute to autoimmune, neurological, inflammatory, infectious, and metabolic diseases. Following their review, the researchers concluded: “Data indicate that TiO2 is able to alter the four compartments of IBF and to induce a low-grade intestinal inflammation associated or not with pre-neoplastic lesions.”
- With such a broad spectrum of utility, selecting the right barium zinc sulfate supplier becomes a matter of significant importance for manufacturersbarium zinc sulphate supplier. Reliability, purity standards, consistent supply chains, and competitive pricing are all factors that must be considered when choosing a supplier. A reputable supplier should also provide comprehensive technical support and be capable of meeting stringent quality control measures to ensure that the barium zinc sulfate supplied meets the specific needs of each industrial process.
- The TIO2 BLR-895 A Revolution in Data Transmission
- The Transformative Power of TIO2 in Industrial Facilities
Lithopone B301
Density - For manufacturers, the use of dimethicone and titanium dioxide offers several advantages. Firstly, these ingredients are relatively inexpensive and easy to source, making them an attractive option for budget-conscious consumers. Secondly, they are versatile and can be used in a wide range of cosmetic products, allowing manufacturers to create a diverse product line that appeals to a broad audience. Finally, the combination of dimethicone and titanium dioxide provides excellent stability and consistency, ensuring that the final product performs as intended.
- Titanium Dioxide A Versatile and Essential Ingredient in the Wholesale Market
- Scattering is strong when the difference in the refractive index of particle & matrix, Δn = np - nm, is big
The refractive index of binders used in coatings and inks is around 1.55. Titanium Dioxide is preferably used as a scattering source because the pigment does not absorb visible light and it has a high refractive index.- Scattering is strong when the difference in the refractive index of particle & matrix, Δn = np - nm, is big
anatase titanium dioxide pigment price supplier. While it is important to find a supplier that offers affordable prices, it is equally important to ensure that the quality of the pigment is not compromised in the pursuit of lower costs.
3. What is EFSA saying in its 2021 opinion on the safety of titanium dioxide as a food additive?
Alterations in gut microbiota
The disadvantage of Titanium Dioxide is that it's not cosmetically elegant, meaning it's a white, unspreadable mess. Sunscreens containing Titanium Dioxide are often hard to spread on the skin and they leave a disturbing whitish tint. The cosmetic industry is, of course, really trying to solve this problem and the best solution so far is using nanoparticles. The itsy-bitsy Nano-sized particles improve both spreadability and reduce the whitish tint a lot, but unfortunately, it also introduces new health concerns.
Safety
≥28.0
The leaching of the electrolytic zinc acid leaching slag: 1500 ml of ammonia-ammonium sulphate solution is used as the ammonia immersion liquid, wherein the ammonia concentration is 6. Omol / ammonium sulfate molar concentration is 0. 9mol / L, added per cubic meter of ammonia immersion liquid 0. 075kg of sodium dodecylbenzenesulfonate, 0. 45kg of sodium fluorosilicate, 0.75kg of dicyandiamide. 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 %), added to the above ammonia-ammonium sulfate immersion liquid for three-stage leaching, each leaching time is 2 hours, after solid-liquid separation, 1450ml final immersion liquid (taken away in the remaining liquid slag), zinc leaching The rate of 90. 02%; the final solution containing zinc 65. 6g / L; containing S0 4 2 - 69. 64g / L ;