Introduction to A-type products: It mainly controls the black and odor of black and odorous sewage sludge, and has a chelating effect on heavy metal pollution, that is, it has the effects of deodorization, black removal and water purification. Introduction to B-type products: This product mainly purifies water and sterilizes by stratification, with obvious effects. Introduction to C-type products: This product purifies water, reduces the content of COD, and improves water transparency. Introduction to D-type products: The products produced by Zhen for various sludge have the effect of controlling heavy metals and fungi
