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MonaCarey

She is a veteran journalist who focuses on the lubricants industry. With many years of experience and extensive professional knowledge network, he has established a good reputation and influence in the industry, and is committed to providing readers with the latest and most comprehensive lubricant market information reporting service experience.

Industry info Wiki Q&A

Q how is titanium metal made

MonaCarey Release Time: 3月 22, 2024, 6:42 下午

Titanium metal is usually produced through the Kroll process, discovered in the 1940s. This process involves several stages: 1. Extraction: Firstly, titanium exists in ore, such as rutile or ilmenite, from which titanium dioxide (TiO2) is extracted. 2. Conversion to Titanium Tetrachloride: The extracted titanium dioxide is then mixed with coke, a type of carbon, and chloride, before being subjected to high temperatures (around 900 degrees Celsius). This converts it into titanium tetrachloride (TiCl4). 3. Reduction: The titanium tetrachloride is then subjected to reduction. A stream of argon and magnesium is used in this step. The high temperatures involved cause the magnesium to react with the titanium tetrachloride, producing magnesium chloride and titanium. 4. Refinement: The titanium is then subjected to a further heat treatment to remove the remaining magnesium and magnesium chloride. This produces a sponge of pure titanium. 5. Alloying and Forming: Finally, this sponge is melted...

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Q titanium dioxide effect in mouth

WalkerYale Release Time: 3月 21, 2024, 10:09 下午

Titanium dioxide is often used in dentistry and various oral healthcare products like toothpaste and mouthwash due to its whitening properties. However, the effect of titanium dioxide in the mouth is quite controversial. Some studies suggest that it may have detrimental effects on oral health. It is abrasive and can theoretically contribute to the thinning of tooth enamel with long-term use. There are also concerns about its potential carcinogenic effects. The International Agency for Research on Cancer classified titanium dioxide as a group 2B carcinogen, which means it’s possibly carcinogenic to humans. Titanium dioxide nanoparticles might accumulate in the gums, leading to inflammation and potentially contributing to periodontal diseases. However, more research is needed to conclusively establish the risk titanium dioxide poses to oral health. Additionally, the FDA currently considers it safe for use in food and cosmetic products, so it is generally considered safe at low ...

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Q titanium dioxide carrier mobility

MarshallDunlop Release Time: 3月 21, 2024, 10:00 下午

Carrier mobility is a property of materials that significantly influences their conductivity. In the case of Titanium Dioxide (TiO2), its carrier mobility varies greatly based on its form and crystalline structure (primarily exists in three forms – rutile, anatase, and brookite) as well as doping and temperature. The mobility of carriers in TiO2 is generally low, which is also one of the reasons for its widespread use as a semiconductor material in photocatalysis and solar cells. According to a number of experimental studies, the electron mobility in TiO2 (rutile phase) is around 0.1-1 cm^2/Vs, and the hole mobility is much lower, typically around 0.001 cm^2/Vs. However, these values can be increased by doping or modifying the TiO2 nanostructure. Please note that these values are approximate and can vary based on various factors including temperature, crystal quality, and the presence of defects.

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Q titanium dioxide catalyst for hydroxyl generator

ColinYonng Release Time: 3月 21, 2024, 10:22 下午

Titanium dioxide as a catalyst in the hydroxyl generator is an important aspect of the process in purifying the air. The hydroxyl generator uses the UV light that reacts with the humidity in the air to create hydroxyl radicals. The titanium dioxide, when coated on a specific surface area of the generator, enhances this photocatalytic reaction. The titanium dioxide catalyst facilitates the formation of these hydroxyl radicals by enhancing the absorption power of the UV light and by providing a surface for the reaction to take place. Hydroxyl radicals are a potent tool in purifying the air since they can neutralize harmful agents like bacteria, viruses, odors, and certain volatile organic compounds. Hydroxyl radicals are highly reactive and tend to interact with other substances in very short timescales, making it effective in cleaning the air in a quick and efficient manner. The use of titanium dioxide as a catalyst in hydroxyl generators therefore offers a powerful and efficient metho...

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Q rutile titanium dioxide for coating manufacturers

MonaCarey Release Time: 3月 21, 2024, 10:00 下午

Rutile Titanium Dioxide is a versatile pigment used in a wide range of applications such as paint, coating, plastic, and paper production. Here is a list of some manufacturers who produce this type of pigment: 1. Chemours – A leading global provider Rutile Titanium Dioxide for coating and other applications. 2. Tronox Limited – An international mining and inorganic chemical business and one of the world’s leading producers of titanium products. 3. Lomon Billions – Known as the world’s 4th largest producer of high-performance titanium dioxide pigments. 4. Venator Materials PLC – A global manufacturer and marketer of chemical products, including Rutile Titanium Dioxide. 5. Ishihara Sangyo Kaisha, Ltd – The manufacturer of various grades of Titanium Dioxide with a crystal form of Rutile. 6. Kronos Worldwide Inc – A global producer and marketer of Titanium Dioxide pigments. 7. Shandong Dongjia Group Co., Ltd – A Chinese titanium dioxide manuf...

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Q titanium dioxide what is it used for

MickWhitman Release Time: 3月 19, 2024, 6:00 下午

Titanium dioxide is a naturally occurring compound used extensively in a variety of applications due to its bright, opaque, and reflective qualities. It is commonly used in sunscreens, paints, adhesives, plastics, and in food items as a colorant, where it’s known as E171. Titanium dioxide is also used in the paper and printing industries for its ability to improve brightness and opacity. Furthermore, it’s used in cosmetics like foundations and toothpaste for its ability to provide a smooth and bright finish. Despite its widespread use, studies are being conducted to determine the potential health implications of titanium dioxide, particularly in its nanoparticle form.

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Q where does zircon found

JuliusLloyd Release Time: 3月 18, 2024, 8:46 下午

Zircon can be found in various parts of the world including Australia, Brazil, Cambodia, Canada, Colombia, Madagascar, Mozambique, Nigeria, Sri Lanka, Tanzania, Thailand, and the United States. The richest deposits are in Australia.

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Q does kotex use titanium dioxide

MonaCarey Release Time: 3月 18, 2024, 9:03 下午

Kotex, as a leading brand in feminine hygiene products, is not reported to use titanium dioxide in their pads or tampons. Titanium dioxide is a common pigment used in a variety of products from paint to food, but there’s been some debate over its safety, especially in products intended for internal use. As of now, Kotex focus on using materials like cotton and polyolefins in their products. It’s always recommended to check the product packaging or contact the manufacturer if you want to ensure a certain ingredient is not present.

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Q removal of titanium dioxide

PeteSnow Release Time: 3月 15, 2024, 6:28 下午

Removal of titanium dioxide, often used in products like sunscreen and paint, can be complex because of its chemical properties. If it’s on a surface, soapy warm water and scrubbing may work. In the environment, its removal could be facilitated using advanced processes like photocatalytic degradation, biodegradation, or adsorption techniques. Adoption of these methods depends on the location and quantity of titanium dioxide to be removed. However, the exploration of more eco-friendly alternatives and safe disposal methods to this compound is highly needed given its potential environmental and health effects.

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Q is titanium dioxide a metallic salt

JesseWinifred Release Time: 3月 15, 2024, 6:04 下午

Yes, Titanium Dioxide (TiO2) is indeed considered a metallic salt. Titanium is a metal and when it reacts with oxygen it forms Titanium Dioxide, a compound with ionic (salt-like) properties. It’s widely used in various industries like paints, plastics, paper, foods, and cosmetics due to its brightness, ultraviolet (UV) light resistance, and non-toxicity. However, it’s recommended to limit exposure to titanium dioxide dust since it can be harmful when inhaled.

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