Double-layer filter material biological aeration filter pond
Title：
Double-layer filter material biological aeration filter pond
Application Number：
 02129618
Application Date：
 2002/09/04
Announcement Date：
 2003/03/12
Pub. Date：
Publication Number：
 1401592
Announcement Number：
 1182049
Grant Date：
 2004-12-29
Granted Pub. Date：
 2004-12-29
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C02F 3/06
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Wen Xianghua, Tian Wenhua, Qian Yi
Key Words：
 Double-layer filter material, biological aeration filter pond
Abstract：
 An aerating biologic filter pool with dual layers of filter material for treating sewage is characterized by that two filter materials with different granularities are used, middle discharge tubes with water holes are arranged between two filter layers, and air and water are alternatively used for flushing. Its advantages are both decarbonating and nitrifying functions, high effect, simple system and low cost.
Claim：
Priority：
PCT：
LegalStatus：

Recommend this patent:
1 2 3 4 5
Average ( 0 votes):
                                                                          Recommended Patents>>

Relevancy information



Other Patents of Same Inventor

Stuffing-throwing fluidized bed membrane bioreactor and water treating method
Process for treating sewage with zeolite filler in aerated biologic filter pool and zeolite filler
Process and equipment for filtering liquid mixture of bioreactor by dynamic membrane
Pichia pastoris gene engineering bacterial strain and use thereof
Saccharomycetes and its appalication
Method and apparatus for on-line ultrasonic cavitation cleaning of membrane bioreactor
Two-stage method of applying white rot fungus to degrade hard-to-degrade environment pollutant
Method for adjusting and controlling character of mixed liquor in membrane bioreactor for controlling membrane pollution
Bacteria growing inhibiting culture medium of white rot fungus degrading active dye in non-sterilized environment
Reactor of biomembrane of suspended carrier on horizon eddy flow and repairing method on site of water body
Non-immetsed type liquid fermentation process of lingin catabolic enzymes from Phanerochaete chrysosporium
Process for fixation of white rot fungus for inhibiting varied bacteria growing in non-sterilizing environment
On-line chemical cleaning method for membrane bioreactor
Process for on-line controlling film pollution development by altrasonic wave
Saccharomycete and its application



News & Events More>>

Last Update  
2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







Copyright 2008-2015 All Rights Reserved Patent License of China.      Designed by Easygo