Example of the traditional Chinese medicine wastewater treatment in the 'ABR+UBF+ A/O' process

doi:10.11894/iwt.2018-1019

Abstract

Abstract:

This study was conducted in a Chinese medicine production enterprise in Zhengzhou of Henan Province, and investigated its discharge characteristics of wastewater and water quality. Combined with the practical experience of the similar wastewater treatment and the experimental results, this study determined to employ the main treatment process of 'coagulation precipitation+ABR+UBF+aerated precipitation+A/O' and the advanced treatment process of 'biological aerated filter+ filtration'. The actual operation results showed that the final effluent water quality reached the standards in Table two of the Discharge Standards of Water Pollutants in Pharmaceutical Industry of Traditional Chinese Medicine Category(GB 21906-2008).

Key words: Chinese medicine wastewater, coagulation precipitation, anaerobic baffled reactor, upflow blanket filter, anoxic/oxic

摘要：

根据河南郑州某中药生产企业废水的排放特点和水质，并结合类似废水处理的实际工程经验及实验研究结果，确定采用"混凝沉淀+ABR（厌氧折流板反应器）+UBF（上流式污泥床过滤器）+曝气沉淀+A/O"的主要处理工艺及"曝气生物滤池+过滤"的深度处理工艺对其进行处理。实际运行结果表明，最终处理出水水质能够稳定达到《中药类制药工业水污染物排放标准》（GB 21906-2008）表2规定的排放标准。

关键词: 中药废水, 混凝沉淀, 厌氧折流板反应器, 上流式污泥床过滤器, A/O

CLC Number:

X703.1

Jinju Zhang, Mengyun Yuan, Yuqian Zhang, Hongchuan Zhang. Example of the traditional Chinese medicine wastewater treatment in the 'ABR+UBF+ A/O' process[J]. Industrial Water Treatment, 2019, 39(10): 104-106.

张金菊, 袁孟云, 张瑜倩, 张红川. “ABR+UBF+A/O”工艺处理中药废水工程实例[J]. 工业水处理, 2019, 39(10): 104-106.

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URL: https://www.iwt.cn/EN/10.11894/iwt.2018-1019

https://www.iwt.cn/EN/Y2019/V39/I10/104

项目	COD	BOD₅	SS	NH₃-N	pH
进水	35 000	10 500	15 000	100	1.8
出水	≤100	≤20	≤50	≤8	6~9

项目	COD	BOD₅	SS	NH₃-N	pH
进水	35 000	10 500	15 000	100	1.8
出水	≤100	≤20	≤50	≤8	6~9

项目	COD	BOD₅	SS	NH₃-N	pH
原水	33 260~34 100	9 980~10 230	13 850~14 520	88~96	1.6~1.8
调节池出水	33 260~34 100	9 980~10 230	13 850~14 520	88~96	6~9
混凝沉淀池出水	23 282~23 870	7 485~7 672.5	3 462.5~3 630	83.6~91.2	6~9
单元去除率/%	30	25	75	5	—
ABR+UBF出水	1 164.1~1 193.5	374.25~383.63	519.4~544.5	83.6~91.2	6~9
单元去除率/%	95	95	85	—	—
A/O池出水	116.41~119.35	29.94~30.69	103.8~108.9	16.7~18.2	6~9
单元去除率/%	90	92	80	80	—
曝气生物滤池出水	89.6~91.9	20.96~21.48	51.9~54.45	7.5~8.2	6~9
单元去除率/%	20	30	50	55	—
过滤系统出水	80.64~82.71	17.82~18.26	31.14~32.67	7.1~7.8	6~9
单元去除率/%	10	15	40	5	—
工程总去除率/%	99.75	99.84	99.76	92.8	—

项目	COD	BOD₅	SS	NH₃-N	pH
原水	33 260~34 100	9 980~10 230	13 850~14 520	88~96	1.6~1.8
调节池出水	33 260~34 100	9 980~10 230	13 850~14 520	88~96	6~9
混凝沉淀池出水	23 282~23 870	7 485~7 672.5	3 462.5~3 630	83.6~91.2	6~9
单元去除率/%	30	25	75	5	—
ABR+UBF出水	1 164.1~1 193.5	374.25~383.63	519.4~544.5	83.6~91.2	6~9
单元去除率/%	95	95	85	—	—
A/O池出水	116.41~119.35	29.94~30.69	103.8~108.9	16.7~18.2	6~9
单元去除率/%	90	92	80	80	—
曝气生物滤池出水	89.6~91.9	20.96~21.48	51.9~54.45	7.5~8.2	6~9
单元去除率/%	20	30	50	55	—
过滤系统出水	80.64~82.71	17.82~18.26	31.14~32.67	7.1~7.8	6~9
单元去除率/%	10	15	40	5	—
工程总去除率/%	99.75	99.84	99.76	92.8	—

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