发明名称 |
Waste treatment system having means for controlling filtered backwash |
摘要 |
A wastewater treatment system uses a primary treatment vessel and a secondary vessel with a filtration unit therebetween. Continuous backwashing of the filtration unit occurs when a well pump is activated to empty the secondary vessel. A portion of fluid discharged by the well pump backwashes the filter continuously as the secondary treatment vessel is emptied.
|
申请公布号 |
US5720875(A) |
申请公布日期 |
1998.02.24 |
申请号 |
US19950514601 |
申请日期 |
1995.08.14 |
申请人 |
STEGALL, WILLIAM A. |
发明人 |
STEGALL, SR., WILLIAM A.;TITTLEBAUM, MARTY |
分类号 |
B01D24/12;B01D37/00;C02F3/04;C02F3/12;(IPC1-7):B01D24/46 |
主分类号 |
B01D24/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|