cas no. 13463-67-7 supplier

It is a national high-tech enterprise, a national top 500 chemical enterprise, and the largest titanium dioxide exporter in China. The main products are TiO2, zirconium products, sulfuric acid and sulfate. Among them, titanium dioxide has reached 120,000 tons, and its export volume has ranked first in the country for three consecutive years. The annual production capacity of the main titanium dioxide is 600,000 tons, ranking first in Asia and fourth in the world.

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At present, the domestic wet zinc smelting mainly adopts the roasting-leaching-electrowinning production process, and the zinc content in the acid leaching residue is generally 8-15%, some up to 20%, and the sulfur mass fraction is 6-12%, of which sulfuric acid The root mass fraction is 15-30%, mainly in the form of 0^0 4 (in this ammoniatic environment, the leaching rate of sulfate leaching in multiple stages can reach 70%). The zinc in the acid leaching residue is mainly in the form of ZnFe 2 0 4 . In order to recover these zinc, the treatment methods are currently available in the fire method and the wet method. The fire method is the rotary kiln evaporation method (Wilz method) and the fumigating furnace evaporation method. . The wet method has hot acid leaching or high temperature pressure leaching. The fire treatment process is long, the equipment maintenance is large, the investment is high, the working environment is poor, and a large amount of coal or metallurgical coking coal is consumed, which has low efficiency and large environmental pollution. Therefore, it is usually leached by hot acid or high-pressure leaching. These methods still have the disadvantages of: 1 consumption of a large amount of acid, low leaching rate, due to the large amount of calcium sulfate, calcium sulphate and other ultrafine particles to isolate the zinc oxide particles, resulting in Electrolytic zinc enterprises are difficult to leach in acid environment, and the second weak acid leaching is not meaningful because the recovery rate is too low. 2 If leached with strong acid, although ZnFe 2 0 4 is destroyed, the leaching rate is improved, but the iron leaching rate is also high (up to 60%). The pressure of iron removal is large, and more reagents are consumed. 3 High temperature and high pressure equipment is corroded. Serious, complicated equipment investment; 4 high operating costs, poor economic returns. 5 The last slag discharged is acid leaching residue, which brings new pollution to the environment. It has to be cured and landfilled, which not only pollutes the environment, but also wastes resources.

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{随机栏目} 2025-08-14 23:13 2113
  • - Choose your Location Always paint in a well-ventilated area, especially when using oil-based paints, to reduce the inhalation of fumes.

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  • The price of barbecue stoves can vary significantly based on several factors including type, brand, size, and features. Generally, you can find barbecue stoves in a range of prices, making it possible to find an option that fits your budget. Entry-level models can start as low as $100, while high-end, feature-rich stoves can exceed $1,500.


  • Aside from improving texture, using wire racks for cooling also enhances the flavor of baked goods. Cooling on a wire rack prevents the build-up of moisture, which can dilute the flavors you’ve painstakingly developed during the baking process. When baked items dry out just the right amount, their flavors intensify, giving each bite a satisfying, well-rounded taste.


    wire rack for cooling

    wire
  • Věnce z drátu patří mezi oblíbené dekorativní prvky, které lze použít k různým příležitostem – od svátečních událostí po každodenní výzdobu. Velké drátěné rámce jsou obzvlášť žádané pro svou univerzálnost a možnost kreativního vyjádření. Tento článek se zaměří na velikosti těchto rámců a jak je nejlépe využít.


  • Kullgrillen gir også en autentisk grillsmak som mange opplever som overlegen sammenlignet med gassgriller. Den karakteristiske røyksmaken fra kull kan forbedre smaken av det du griller. Ved å velge riktig type kull, som for eksempel briketter eller naturskifer, kan du tilpasse smaksprofilen ytterligere. Å eksperimentere med forskjellige typer ved eller røykspon gir en ekstra dimensjon til grillopplevelsen.


  • - Choose your Location Always paint in a well-ventilated area, especially when using oil-based paints, to reduce the inhalation of fumes.

  • Steps to Create Your Wreath


  • Moreover, the dual functionality of a portable fire pit grill makes it an excellent investment for outdoor enthusiasts. You can enjoy the experience of cooking over an open flame while also using it as a source of warmth and light. The grill allows for various cooking methods, from roasting marshmallows for s'mores to grilling burgers, steaks, and vegetables. This versatility means that it can cater to different culinary preferences while creating a unique outdoor dining experience.


    portable fire pit grill

    portable
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  • In summary, a 16-inch round grill grate is an essential tool for any grilling enthusiast. With its versatility, manageable size, and various material options, it makes cooking enjoyable and efficient. Whether you are grilling your favorite meats or trying out a new recipe, the right grill grate can enhance your culinary adventures and ensure delicious results every time. So, the next time you think about your grilling setup, consider investing in a quality 16-inch round grill grate – your taste buds will thank you!


  • Tworzenie wieńca z drucianego wieszaka to doskonała okazja do spędzenia czasu w twórczy sposób, a także świetny sposób na wprowadzenie odrobiny świeżości do naszego otoczenia. Niech Twoja wyobraźnia będzie jedynym ograniczeniem!


  • In conclusion, the camp oven hanger is a valuable investment for anyone who enjoys cooking outdoors. Its ability to provide controlled heat, versatility in meal preparation, and ease of use make it an indispensable tool for camping trips. Whether you are a seasoned camper or a novice outdoor cook, incorporating a camp oven hanger into your gear will undoubtedly enhance your culinary adventures beneath the stars. So the next time you pack for a camping trip, don’t forget to include this essential cooking companion!


  • In conclusion, a fire pit on a tripod is not just a functional piece of outdoor equipment; it’s an invitation to connect with nature and each other. Whether you’re preparing a hearty meal, sharing stories, or simply enjoying the warmth of the fire, it creates an environment of comfort and camaraderie. So, the next time you plan an outdoor adventure, consider bringing along a tripod fire pit—it’s sure to enhance your experience and create unforgettable memories.


  • If you are using a charcoal chimney (which I highly recommend as it makes the lighting process a lot easier), I’ve laid out the steps below:

  • 3. Grill Your Veggies
    Eating more veggies is a golden rule for a healthy diet, especially for a meat-heavy barbecue dinner. Vegetables are naturally high in fiber and low in calories. Unlike
    grilled meat, vegetables don’t contain the amino acids which can form HCAs. It doesn’t take much creativity to cook vegetables. Whenever you’re grilling, just add a few peppers, zucchini, sweet corns or asparagus to the grill. How about some veggie kabobs? A green salad with light vinaigrette dressing is another nutrient-packed addition that is a favorite amongst many people.

  • If you’re weighing up the best gas grills against those that use charcoal you might wonder if charcoal grills are safe? It is true that grills can be the cause of home structure and outdoor fires, but accidents can be avoided by knowing both how to use and how to maintain a charcoal grill. In other words, you can be reassured. These are the essentials you need to be aware of to keep people and structures safe.

  • You can even find hardwood lump coals with added flavor like applewood, pecan, and mesquite. While both types of charcoal carry the same health risks, these coals won’t have fillers and binding agents and as a result the more natural choice.

  • Safety is another aspect to consider. When using a fire pit tripod, it helps to keep a safe distance between the cooking flames and your campsite. This setup minimizes the risk of accidental burns or fire hazards, especially when children are present. Additionally, by utilizing a tripod for cooking, you can enjoy the benefits of an open fire while maintaining a safer environment.