tio2 anatase rutile

As awareness of the environmental consequences associated with industrial activities heightened, TiO2 industry factories began to adopt cleaner production technologies. Innovations such as the chloride process offered not only improved yields but also reduced energy consumption and waste generation. Moreover, the introduction of advanced filtration systems and waste treatment protocols significantly mitigated the environmental impact of TiO2 manufacturing.

...

Titanium dioxide (TiO2). Titanium dioxide is the most common white pigment used today. As a pigment, titanium dioxide is unique because it combines both high colouring and high opacifying capacity. This is mainly due to its high refractive index (2.7). Furthermore, titanium dioxide is an excellent UV absorber (it is used in sun protective creams). Some typical properties are: density 3.3-4.25 g/cm3; pH of water suspension 3.5-10.5; particle size 8–300 nm; oil absorption 10–45 g/100 g; specific surface area 7–160 m2/g. Most titanium dioxide is produced from the rutile (TiO2) or ilmenite (titanate of ferrous iron). Titanium dioxide can be obtained using different processes.

...

You may be taking a second look at your favorite candy after hearing this week's news about titanium dioxide. Recently, a lawsuit was filed against Mars, Inc. based on claims that the manufacturer's popular Skittles candy is unfit for human consumption. The class-action lawsuit, filed in U.S. District Court for the Northern District of California in mid-July, alleged that the candy contained heightened levels of a known toxin called titanium dioxide — a food additive that the company previously pledged to phase out from their products in 2016, according to the Center for Food Safety.

...

While IARC listed titanium dioxide as “possibly carcinogenic to humans,” they also add that “there is inadequate evidence in humans for the carcinogenicity of titanium dioxide.” Of the four human studies that they reviewed, only one showed a potential risk for occupational workers inhaling titanium dioxide particles and lung cancer, while the other three showed no risk for cancer at all. And it’s key to note that IARC did not assess the effects of titanium dioxide found in foods.

...

In conclusion, titanium dioxide stands as a testament to the marvels of chemistry and engineering. As we continue to explore its potential, it remains an essential part of the wholesale pigment industry, contributing to products that touch every aspect of our lives. From enhancing the vibrancy of colors to combating pollution and advancing renewable energy technologies, titanium dioxide is indeed a remarkable substance with an ever-expanding palette of applications.

...