COD AND BOD REMOVAL - CHINAFLOC
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COD AND BOD REMOVAL

COD AND BOD REMOVAL 

Chemical oxygen demand (COD) and Biochemical oxygen demand (BOD)are two different ways to measure how much oxygen the water will consume when it enters the recipient. In both cases the oxygen-consuming substances are mainly of organic origin. These substances should be reduced to a minimum in the wastewater treatment plant. Industries normally focus more on COD and municipalities more on BOD removal.

With chemical treatment, removal of COD is improved at basically all kinds of wastewater plants. The more particle-bound COD, the more efficient the removal rate. Chinafloc Series of cationic polyacrylamide can separate some dissolved substances as well, but when the COD consists of small organic molecules a biological treatment process is normally preferred. 

If our products are used before the secondary treatment, the biological process will work more efficiently and consume less energy. Or if needed, the plant capacity can be increased without any major investments. A wastewater treatment plant using chemicals to support BOD/COD removal will always be the most compact plant and leave the smallest possible environmental footprint.

As a professional manufacturer of polyacrylamide,we can supply various models with different cationicity and degree of ion as below:

Product Name

Model

Solid

Content(%)

Molecular

Weight

(Million)

Cationicity

(%)

Application

Cationic polyacrylamide

ChinaflocC0510

≥89%

High

Low

1.Municipal and industrial wastewater treatment

2.Sludge dewatering

3.Papermaking agent

ChinaflocC1312

≥89%

Very high

Low

ChinaflocC2012

≥89%

Very high

Low/medium

ChinaflocC3006

≥89%

high

Medium

ChinaflocC3012

≥89%

Very high

Medium

ChinaflocC4008

≥89%

High

High

ChinaflocC5006

≥89%

Medium

Very high

ChinaflocC6006

≥89%

Medium

Strongly

ChinaflocC7006

≥89%

Medium

Very strongly

Chinafloc C8006

≥89%

Medium

Very strongly