装填方式对混合床生物滤柱处理不同苯胺浓度染料废水的影响

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Effect of loading method on treatment of dye wastewater with different aniline concentration by mixed bed biological filter

WU Liying^1,,
WANG Di¹,
HONG Junming¹,
YU Yongbo¹,
ZHANG Qian¹,
ZHANG Yuanchun¹,
CHAI Chunsheng²
1.College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
2.Construction Engineering Quality Supervision Station of Zaozhuang City, Shandong Province, Zaozhuang 277800, China

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摘要:采用牡蛎壳和陶粒制备了多级生物滤柱(multistage bed-biological aerated filter, MSB-BAF)和混合生物滤柱(mixed bed-biological aerated filter, MB-BAF),研究其对偶氮染料活性黑5(reactive black 5, RBK5)废水中苯胺的处理效果。结果表明:在苯胺初始浓度从10～50 mg·L-1变化时,随着苯胺浓度的升高,MSB-BAF和MB-BAF出水的染料、苯胺、COD、氨氮的浓度变化不大,去除率分别可达90%、97%、95%、99%,出水pH维持在6.5～7.0之间。由于多级装填方式有利于牡蛎壳表面的分解和微生物的负载,MSB-BAF对总磷和苯胺的去除率优于MB-BAF,分别达82.76%和97.88%。
关键词: 多级生物滤柱/
混合生物滤柱/
染料废水/
苯胺

Abstract:The combined multistage bed-biological aerated filter (MSB-BAF) and mixed bed-biological aerated filter (MB-BAF) carried out by using oyster shell as material to degrade reactive black 5 (RBK5) in wastewater. The results show that with the increasing of aniline concentrations (10 to 50 mg·L-1), the dye, aniline, COD and ammonia removal efficiency can reach up to 90%, 97%, 95% and 99%, respectively, and the pH maintained at 6.5 to 7.0. The phosphorus and aniline removal efficiency of MSB-BAF (97.88%) was much better than MB-BAF (82.76%), due to the advantages of microorganism loading and surface-decomposion on oyster shell.
Key words:multistage bed-biological aerated filter/
mixed bed-biological aerated/
dye wastewater/
aniline.

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刊出日期:2018-01-14

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