Calcium hydroxide is widely used in production and life. Can use slaked lime and sand mixed brick, lime stucco; lime painted on the trees containing sulfur powder, etc., can protect trees, prevent frostbite, and prevent insect eggs; preparation of concrete; agriculture with lime milk and copper sulfate solution prepared with the bactericidal effect of Bordeaux mixture as pesticides. To change the acidity and alkalinity of the soil will be the right amount of lime into the soil, can neutralize the acidity, change the acidity and alkalinity of the soil, easy crop survival. Food additive sodium hydroxide, bleaching powder.
Usuage: 1. For solid PAC, dilution is necessary before being dosed. Dilution proportion for solid product is 5%-10%, and for liquid product, 5%-50%(based on weight percentage). 2.The specific dosage is based on the flocculation test and on the trail. Normally, the dosage of solid is 1-15g/MT, the dosage of liquid product is 3-40g/MT 3. Its acidity is lower than other inorganic coagulants. 4. The PAC solution can not be place more than one week.
Disinfection with Chlorine | Public Water Systems | Drinking
Chlorination is the process of adding chlorine to drinking water to disinfect it and kill germs. Different processes can be used to achieve safe levels of chlorine in drinking water. Chlorine is available as compressed elemental gas, sodium hypochlorite solution (NaOCl) or solid calcium hypochlorite (Ca(OCl)2 1