Titanium dioxide plant
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ENGINEERING CASE
Raw Material Chemical Industry
Downstream Industrial Chain of Sulfuric Acid Chemical Industry
Product details
Asia Chemical Engineering Co., Ltd. is one of the most reliable manufacturers and suppliers of Titanium dioxide plants in China. Please rest assured to wholesale cost-efficient Titanium dioxide plants from our factory. Good service and reasonable price are available.
Product Details
Name: Titanium Dioxide Production Line
Source: Sulfate‑process ilmenite technical route; titanium dioxide is produced by reacting concentrated sulfuric acid with ilmenite
Capacity: 2‑15 ten thousand tons per year
Complete Process Flow of Titanium Dioxide Production Line
Raw materials: Ilmenite, concentrated sulfuric acid. Core reaction: Ilmenite undergoes high‑temperature acidolysis with concentrated sulfuric acid to produce titanium liquid, which is further subjected to hydrolysis and calcination to obtain titanium dioxide.
1. Raw material pretreatment: Crushing and grinding of ilmenite;
2. Acidolysis process: Ilmenite powder reacts with concentrated sulfuric acid via high‑temperature acidolysis to yield titanium liquid (titanium oxysulfate, ferrous sulfate);
3. Sedimentation, crystallization and filtration: Freeze crystallization to separate by‑product ferrous sulfate and remove residues to obtain refined titanium liquid;
4. Hydrolysis: Heat the refined titanium liquid for hydrolysis to precipitate metatitanic acid;
5. Water washing and bleaching: Multiple water washes of metatitanic acid to remove iron and other impurities; salt treatment (crystal form transforming agent);
6. Calcination: High‑temperature calcination in rotary kiln. Metatitanic acid undergoes dehydration and crystal form transformation to produce crude rutile / anatase titanium dioxide;
7. Post‑treatment coating: Inorganic / organic surface coating treatment to improve weather resistance and dispersibility;
8. Pulverization, classification and packaging: Finished titanium dioxide; recovery and treatment of mother liquor and waste acid.
Characteristics of the Titanium Dioxide Production Line
1. Mature sulfuric‑acid process, capable of producing both anatase and rutile titanium dioxide;
2. By‑product ferrous sulfate can be recovered for external sales;
3. Equipped with a waste acid recovery system to reduce raw material consumption;
4. EPC turn‑key service: process package, equipment manufacturing, rotary kiln masonry, installation and commissioning, personnel training, suitable for overseas pigment and chemical projects.
Uses of Titanium Dioxide Products
1. Coatings and Paints: Architectural coatings, industrial paints, anti‑corrosion paints; the largest application field;
2. Plastics and Rubber: Plastic masterbatches, rubber products; whitening and anti‑aging properties;
3. Paper‑making Industry: Paper filler to improve whiteness and opacity;
4. Inks: White pigment for printing inks;
5. Daily‑use Chemicals: Sunscreen in cosmetics (nano‑titanium dioxide);
6. Others: Ceramics, welding electrodes
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