[1]薛罡,何月玲,王晓暖,等.印染废水的硫自养反硝化深度脱氮中试研究[J].中国给水排水,2022,38(13):15-21.
　XUEGang,HEYue-ling,WANGXiao-nuan,et al.Pilot Study of Sulfur-driven Autotrophic Denitrification for Advanced Nitrogen Removal in Secondary Effluent of Dyeing Wastewater[J].China Water & Wastewater,2022,38(13):15-21.
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印染废水的硫自养反硝化深度脱氮中试研究

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第38卷 期数: 2022年第13期 页码: 15-21 栏目: 出版日期: 2022-07-01
Title:
Pilot Study of Sulfur-driven Autotrophic Denitrification for Advanced Nitrogen Removal in Secondary Effluent of Dyeing Wastewater
作者:
薛罡1,何月玲1,王晓暖1,林旭萌1,陈红1,陈钰婷1,劳红标2,宋华龙2,陈伟2,张小波2,孙召强3,蔡文3,陈荣4
（1.东华大学 环境科学与工程学院，上海 201620；2.绍兴水处理发展有限公司，浙江 绍兴 312074；3.北京泰科智康环保科技有限公司，北京 102218；4.杭州沁欣环保科技有限公司，浙江 杭州 310056）
Author(s):
XUE　Gang1， HE　Yue-ling1， WANG　Xiao-nuan1， LIN　Xu-meng1， CHEN　Hong1，CHEN　Yu-ting1， LAO　Hong-biao2， SONG　Hua-long2， CHEN　Wei2，ZHANG　Xiao-bo2， SUN　Zhao-qiang3， CAI　Wen3， CHEN　Rong4
（1. College of Environmental Science and Engineering， Donghua University， Shanghai 201620， China； 2. Shaoxing Water Treatment Development Co. Ltd.， Shaoxing 312074， China； 3. Beijing Taikezhikang Environmental Technology Co. Ltd.， Beijing 102218， China； 4. Hangzhou Qinxin Environmental Technology Co. Ltd.， Hangzhou 310056， China）
关键词:
印染废水;  硫自养反硝化;  滤池;  深度脱氮
Keywords:
dyeing wastewater;  sulfur-driven autotrophic denitrification;  filter;  advanced nitrogen removal
摘要:
针对异养反硝化脱氮外加有机碳源成本高的问题，采用硫自养反硝化滤池对印染废水的生化处理出水进行深度脱氮中试。在连续84 d 运行期内，通过逐步提高中试装置进水流量，在水力负荷为1.27 m3/（m2·h）、进水氮负荷为0.52 kg/（m3·d）的条件下，获得了74.1%的最佳TN去除率；同时，微生物的同化作用使其对NH4+-N具备一定的去除能力。处理后废水pH、碱度及ORP降低，表明还原性S0在自养反硝化菌的作用下参与了NO3--N的还原过程。与异养反硝化相比，硫自养反硝化具有成本及污泥产量低的特点，且不存在外加碳源转化为温室气体CO2排放问题。
Abstract:
The external carbon source was required for nitrogen removal by heterotrophic denitrification, contributing a majority of operational cost in wastewater treatment. So, the pilot study of sulfur-driven autotrophic denitrification filter with no external carbon source was carried out. During a continuous 84-day operating period, the optimal TN removal of 74.1% was achieved at the hydraulic loading of 1.27 m3/(m2·h) and nitrogen loading rate of 0.52 kg/(m3·d). A certain amount of NH4+-N removal was attributable to microbial assimilation. The pH, alkalinity and ORP decreased after treatment, showing that the reductive S0 participated in the NO3--N reduction by autotrophic denitrifying bacteria. Compared to heterotrophic denitrification, sulfur?driven autotrophic denitrification has lower operational cost and biomass yield, along with no emission of CO2 greenhouse gas converted from external carbon source.

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更新日期/Last Update: 2022-07-01