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糠醛生产废水属于高浓度有机废水,针对其水质、水量特点,采用微电解/光合细菌氧化/生物接触氧化/生物炭处理工艺。在进水COD、BOD5、SS的质量浓度分别为8 337~15 692、2 100~4 030、100~300 mg/L,pH值为2~3的条件下,经处理后出水水质能够达到《污水综合排放标准》(GB 8978—1996)的二级排放标准。实践证明,该工艺处理效果好,运行稳定,对其他高浓度废水处理具有一定的借鉴作用。
Furfural production wastewater is a high concentration of organic wastewater, according to its water quality, water characteristics, the use of micro-electrolysis / photosynthetic bacteria oxidation / biological contact oxidation / biochar treatment process. Under the conditions of influent COD, BOD5 and SS concentration of 8 337 ~ 15 692, 2 100 ~ 4 030, 100 ~ 300 mg / L and pH 2 ~ 3 respectively, the treated effluent quality could reach “ Integrated Wastewater Discharge Standard ”(GB 8978-1996) secondary emission standards. Practice has proved that the treatment effect is good, stable operation of other high-concentration wastewater treatment has some reference.