公开(公告)号：US3579439A

公开(公告)日：1971-05-18

申请号：US3579439D

申请日：1969-05-27

Applicant: SOUTH AFRICAN INVENTIONS

Inventor： MEIRING PIETER GERHARD JACOBUS ,  HUISMAN PETER HENDRIK

IPC: C02F3/00 ,  C02F3/30 ,  C02C1/10

CPC classification number: C02F3/302 ,  C02F3/006 ,  C02F3/301 ,  Y10S210/926

Abstract: THE INVENTION PROVIDES FOR A PROCESS OF AN AN APPARATUS FOR THE TREATMENT OF SEWAGE ACCORDING TO THE ACTIVATED SLUDGE PROCESS. IN THIS PROCESS AND APPARATUS, RAW SEWAGE MIXED WITH ACTIVATED SLUDGE IS AGITATED IN AN AGITATION ZONE, WHEREAFTER A PORTION OF THE MIXTURE IS DIRECTED TO A SETTLING ZONE IN WHICH SLUDGE IS SETTLED

OUT, AND THE REMAINDER OF THE MIXTURE IS DIRECTED TO AN ACERATION.