Relationships between COD<SUB>B</SUB> and BOD<SUB>5</SUB> of sulphurous acid pulping wastewater

ZHANG Wenhao; SHANG Hongzhi; LIU Xiwen

ZHANG Wenhao, SHANG Hongzhi, LIU Xiwen. Relationships between CODB and BOD5 of sulphurous acid pulping wastewaterJ. Journal of Meteorology and Environment, 2006, 22(6): 69-71.

Citation:

ZHANG Wenhao, SHANG Hongzhi, LIU Xiwen. Relationships between CODB and BOD5 of sulphurous acid pulping wastewaterJ. Journal of Meteorology and Environment, 2006, 22(6): 69-71.

Citation:

ZHANG Wenhao, SHANG Hongzhi, LIU Xiwen. Relationships between CODB and BOD5 of sulphurous acid pulping wastewaterJ. Journal of Meteorology and Environment, 2006, 22(6): 69-71.

Relationships between COD_B and BOD₅ of sulphurous acid pulping wastewater

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Abstract

Exposed sulphurous acid pulping wastewater diluted to the air,the chemical oxygen demand(COD_(Cr)) values in different times were determined,and the biodegradable chemical oxygen demand(COD_B) was obtained by data illustration method.COD_B value was transformed with the biological oxygen demand(BOD_5) measured value from same samples and the mean values were analyzed by variance analysis.The results indicated that the average error was 9.26%.That is to say,COD_B value with data illustration method was similar to that of BOD_5 determination method,which was significant to biochemistry treatment of sulphurous acid pulping wastewater.

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Relationships between CODB and BOD5 of sulphurous acid pulping wastewater

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Relationships between COD_B and BOD₅ of sulphurous acid pulping wastewater