摘要:

對(dui)乙(yi)(yi)醛生產廢(fei)(fei)水進行(xing)堿(jian)(jian)解(jie)(jie)預(yu)處(chu)理(li),研究堿(jian)(jian)投(tou)加量(liang)、反(fan)(fan)(fan)應(ying)溫(wen)度、反(fan)(fan)(fan)應(ying)時間對(dui)脫毒效(xiao)果(guo)的影(ying)響(xiang)。結果(guo)表(biao)明,乙(yi)(yi)醛生產廢(fei)(fei)水經堿(jian)(jian)解(jie)(jie)預(yu)處(chu)理(li)后,廢(fei)(fei)水中有(you)毒物質降解(jie)(jie)明顯,且厭(yan)氧(yang)生物毒性(xing)(xing)和好氧(yang)活(huo)性(xing)(xing)污泥毒性(xing)(xing)顯著下(xia)降。堿(jian)(jian)投(tou)加量(liang)、反(fan)(fan)(fan)應(ying)溫(wen)度和反(fan)(fan)(fan)應(ying)時間是影(ying)響(xiang)乙(yi)(yi)醛生產廢(fei)(fei)水堿(jian)(jian)解(jie)(jie)預(yu)處(chu)理(li)效(xiao)果(guo)的重要因(yin)素,在反(fan)(fan)(fan)應(ying)時間為(wei)(wei)(wei)0.5h,堿(jian)(jian)投(tou)加量(liang)為(wei)(wei)(wei)1.2g/L,反(fan)(fan)(fan)應(ying)溫(wen)度為(wei)(wei)(wei)30℃,好氧(yang)活(huo)性(xing)(xing)污泥毒性(xing)(xing)即可有(you)大幅下(xia)降;產甲(jia)烷抑制率在反(fan)(fan)(fan)應(ying)時間為(wei)(wei)(wei)3h以(yi)上,反(fan)(fan)(fan)應(ying)溫(wen)度為(wei)(wei)(wei)60℃、堿(jian)(jian)投(tou)加量(liang)為(wei)(wei)(wei)2g/L以(yi)上,有(you)大幅下(xia)降。

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