PAC Polyaluminium Chloride has three colors, brown, yellow and white. Their price depends on the production process. Their production process is as follows:
1. Roller method: This process is made of calcium aluminate powder, hydrochloric acid and other raw materials through the roller method. The color of the polyaluminum chloride produced by this material and process is brown, and the aluminum oxide content of the product is not High, high water-insoluble matter, low price, generally used for sewage treatment.
2. Plate and frame production method: The polyaluminum chloride medicament produced by this process has a high chlorine content, beige color, and low water insoluble matter. It is mostly used for sewage treatment and drinking water treatment.
3. Spray drying method: The raw materials produced by this method are aluminum, bauxite, aluminum powder, aluminum hydroxide, hydrochloric acid, and aluminum oxide. The color is white or yellow. The polyaluminum chloride produced by this process has a high content of chlorine, low water-insoluble matter and a fast dissolution rate, but the processing cost is high, so the price is also high and is often used in drinking water and chemical experiments. White polyaluminum chloride is a white or milky white milk powder-like fine powder processed by spray drying process of aluminum hydroxide powder and high-purity hydrochloric acid. It is easily melted when exposed in the air.
The above three process raw materials are different, the finished products produced have different colors and different prices. Among them, the white polyaluminum chloride is food-grade and the price is more expensive than other quality polyaluminum. HONGZHENG welcomes you to call for samples of PAC of water treatment chemicals.
Contact Person: Miss. Jessic
Tel: +86 13928889251