Gongye shui chuli, 2001 有机化工产品安息香生产废水中含有苯甲醛、氰化物、安息香和苯甲酸乙酯,在用异烟酸吡唑啉酮法对其进行氰化物测定时,由于油酯类的沸点较低,在预蒸馏过程中被蒸出和氰化物一起进入NaOH吸收液,使得吸收液产生大量泡沫和沉淀,严重干扰后续比色测定。作者采用氯仿萃取法对废水进行除油处理,使油水分离,再测定水中的氰化物,实验表明该方法重复性好,相对误差小、一致性好,是一条有效的消除油类有机物干扰的途径。
李广志
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Gongye shui chuli, 2009 采用后继混凝沉淀的A/O工艺对含酚、氰的焦化废水进行了处理,运行结果表明:废水中酚质量浓度从287～681mg/L降至1.0mg/L以下,氰化物质量浓度从0.72～11.4mg/L降至0.5mg/L以下,完全达到了《污水综合排放标准》(GB8978—1996)的二级排放标准;CODCr从3879～6378mg/L降至116.1～184.2mg/L,氨氮从145.6～200mg/L降至11.64～25.26mg/L,大多数时间达到排放标准。
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Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2022 Shen K +7 more
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