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焦化废水BOD5接种质量控制

Sichuan Environment(2012)

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Abstract
接种是BOD5质量控制关键。为了提高生物毒性较大的焦化废水BOD5测定结果的精密度和准确度,本文采用焦化废水活性污泥制备接种液,考察了接种底质和接种量对测定结果的影响。接种量为3—5mL/L时,BOD,值达到了GB7488—1987质控要求。2个月的稳定性考察实验以及对随机水样的测定结果表明,该方法制备的接种液活性高、稳定性好,对改进焦化废水BOD5的监测有一定的现实指导意义。
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Key words
BOD5,quality control,inoculum,coking wastewater
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