plant cleanse to chemical process for treatment and purification of urban sewage raw and comparable to

摘要

the transition of urban and sewage treatment through the grid with crude cracks of mm or mm 0.25 0.50 eliminates most of the solids.the dose of mixture or flocculanti in following and in the first two filters to sand size big, generate the rapid flocculation of organic material.the dosage of acid and the passage in the filter sand of particle size small complete pretreatment.the and sewage treatment through the passage in the two filters containing manganese dioxide with dosage of hydrogen peroxide and the further shift in filters, one of zeolite, the other coalin the further reduction of parameters of table to the law no. 319, 10.05.1976.comprehensive treatment of sewage, the passage in the filter to cationic resin and the anionic resin.