发明授权
- 专利标题： Method and apparatus for biological purification
- 专利标题（中）： 用于生物净化的方法和装置
-
申请号： US656811申请日： 1976-02-09
-
公开(公告)号： US4088571A公开(公告)日： 1978-05-09
- 发明人: Claes I. Helgesson
- 申请人： Claes I. Helgesson
- 申请人地址： SW Stockholm
- 专利权人： Arbman Development AB
- 当前专利权人： Arbman Development AB
- 当前专利权人地址： SW Stockholm
- 优先权： SW75023069 19750228
- 主分类号： C02F3/06
- IPC分类号： C02F3/06 ; C02F3/10 ; C02C1/04
摘要：
The invention relates to a method and an apparatus for biological purification in accordance with liquid wastes, the purification being achieved by means of micro-organisms on an inert carrier. The improvement of the invention comprises using a carrier, the surface layer of which comprises colloidal silica. The invention also relates to a method of imparting bacteriophilic properties to a silicious material which comprises preparing a layer of colloidal silica thereupon.
公开/授权文献
- US4543146A Wrinkle prevention in glass/plastic composite lenses 公开/授权日：1985-09-24
信息查询
