Treatment of high concentration coking wastewater with high solution bacteria
Hu Zhong
Abstract
Hu Zhong
Abstract
A new process for the treatment of high concentration coking wastewater which uses high solution bacteria(H.S.B) and oxic-anoxic-oxic(O-A-O) processing in a sequential batch reactor(SBR) is described.The process is based on the ability of H.S.B.to decompose organic matter.The oxic-bacteria and anoxic-bacteria in H.S.B.fulfill different functions in the oxic-SBR and anoxic-SBR steps. The results showed that the COD was reduced by 47% after coking wastewater with an initial COD of 7440?mg/L was treated for 6?h by oxic-SBR.COD reduction of the resulting effluent reached 78% after a second 24?h anoxic-SBR step.After a final 32?h oxic-SBR step,the COD of the effluent was 492?mg/L,representing a reduction of over 93%.The process provides a very economical and effective method of reducing COD.
A significance statement is not available in the OpenAlex record.
A contribution statement is not available in the OpenAlex record.
Method details are not available in the OpenAlex metadata.
Findings are not separately available in the OpenAlex metadata.
Limitations are not available in the OpenAlex metadata.
Application details are not available in the OpenAlex metadata.
A new process for the treatment of high concentration coking wastewater which uses high solution bacteria(H.S.B) and oxic-anoxic-oxic(O-A-O) processing in a sequential batch reactor(SBR) is described.The process is based on the ability of H.S.B.to decompose organic matter.The oxic-bacteria and anoxic-bacteria in H.S.B.fulfill different functions in the oxic-SBR and anoxic-SBR steps. The results showed that the COD was reduced by 47% after coking wastewater with an initial COD of 7440?mg/L was treated for 6?h by oxic-SBR.COD reduction of the resulting effluent reached 78% after a second 24?h anoxic-SBR step.After a final 32?h oxic-SBR step,the COD of the effluent was 492?mg/L,representing a reduction of over 93%.The process provides a very economical and effective method of reducing COD.
Key concepts: Anoxic waters, Effluent, Wastewater, Chemistry, Pulp and paper industry, Bacteria, Environmental chemistry, Sewage treatment