|
2014
|
Invention
|
Apparatus for treating sludge and wastewater, comprising multistage ph control tank, and method f... |
|
|
Invention
|
Sewage and wastewater treatment device having activated-sludge holding unit, and nitrogen content... |
|
2013
|
Invention
|
Control system for reducing the amount of energy used in blower. The present invention relates to... |
|
|
Invention
|
Alkali sludge for reducing phosphorous, method for preparing alkali sludge, method for reducing p... |
|
2011
|
Invention
|
Sludge drying system. The present invention relates to a sludge drying system comprising: a water... |
|
2003
|
Invention
|
Bioreactor for sewage and wastewater treatment. The present invention relates to a bioreactor for... |
|
2000
|
Invention
|
Method of preparing a microbial culture for wastewater treatment. A method of preparing a microbi... |
