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[1]徐志嫱,李瑶,周爱朝,等.污泥热水解过程中磷的释放规律与影响因素[J].中国给水排水,2018,34(21):24-30.
XU Zhi qiang,LI Yao,ZHOU Ai chao,et al.Phosphate Release and Influencing Factors Analysis during Sludge Thermal Hydrolysis[J].China Water & Wastewater,2018,34(21):24-30.点击复制
污泥热水解过程中磷的释放规律与影响因素
中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第34卷 期数: 2018年21期 页码: 24-30 栏目: 论述与研究 出版日期: 2018-10-20
Title:Phosphate Release and Influencing Factors Analysis during Sludge Thermal Hydrolysis
文章编号:1000-4602(2018)21-0024-07
作者:徐志嫱1，李瑶1，周爱朝1，姚宸朕1，2，刘荣荣1(1.西安理工大学陕西省西北旱区生态水利工程重点实验室，陕西西安710048；2.中节能 工业水务工程有限公司，陕西西安710048)
Author(s):XU Zhi qiang1,LI Yao1,ZHOU Ai chao1,YAO Chen zhen1，2,LIU Rong rong1(1. State Key Laboratory Base of Eco-Hydraulic Engineering in Arid Area, Xi’an University of Technology, Xi’an 710048, China; 2. Energy Saving Industrial Water Engineering Co. Ltd.Xi’an 710048, China)
关键词:剩余污泥; 热水解; pH值; 磷释放; 影响因素
Keywords:excess sludge; thermal hydrolysis; pH; phosphorus release; influencing factor
分类号:TU992
文献标志码:A
摘要:剩余污泥中富含磷物质，具有较大的回收利用价值。从污泥中高效回收磷最重要的步骤是将磷尽可能地释放到溶液中。以含固率为5%的剩余污泥（干污泥中磷占比为1.1%）为研究对象，进行了热水解磷释放规律研究。结果显示：当采用低温水解与投加酸联合处理剩余污泥时，污泥絮体被破坏，磷的释放量显著增加。当温度为75 ℃、加热时间为1 h、pH值为3时，TP和IP的释放量可达到最大，分别为311.9 mg/L和293.8 mg/L，是原污泥液相中TP和IP含量的7.9倍和8.4倍。将经上述条件处理的污泥混合液在35 ℃下静置24 h，污泥液相中NH+4-N浓度由96.0 mg/L提高到318.7 mg/L，同时伴随着SCOD浓度的明显减小。因此，通过低温短时热水解联合酸处理可显著提高污泥中磷和氨氮的释放量，可为后续以鸟粪石沉淀法回收磷创造有利条件。
Abstract:The phosphorus (P) in excess sludge (ES) produced by the sewage treatment plant has huge recycling value. The most important step of P recovery from the ES is to release as much P as possible into the solution. In this work, the ES with a solid content of 5% was used to study P release during the thermal hydrolysis. The results showed that when the ES was treated with lowtemperature and pretreated with acid, the floc of the sludge was destroyed, and the release of P increased significantly. When the temperature was 75 ℃ for 1 h, the release of the total P (TP)and dissolving inorganic P (IP) in the liquid phase of raw sludge reached the maximum level, 311.9 mg/L and 293.8 mg/L, respectively, and was increased by 7.9 times and 8.4 times compared with raw sludge. When the sludge mixture was allowed to stand for 24 h at 35 ℃, the concentration of ammonia nitrogen (NH+4-N) increased from 96.0 mg/L to 318.7 mg/L, accompanied by a significant decrease in the concentration of soluble chemical oxygen demand (SCOD).These results demonstrated that the combination of lowtemperature and shorttime thermal and acid pretreatment could significantly increase the P and NH+4-N release in the sludge, which created favorable conditions for P recovery by struvite precipitation.
参考文献/References:
［1］Cordell D,Drangert J O,White S. The story of phosphorus: Global food security and food for thought［J］. Global Environmental Change,2009,19(2):292-305.
［2］Rittmann B E,Mayer B,Westerhoff P,et al. Capturing the lost phosphorus［J］. Chemosphere,2011,84(6):846-853.
［3］Wu L,Zhang C,Hu H,et al. Phosphorus and shortchain fatty acids recovery from waste activated sludge by anaerobic fermentation:Effect of acid or alkali pretreatment［J］. Bioresour Technol,2017,240:192-196.
［4］Yuan Z,Pratt S,Batstone D J. Phosphorus recovery from wastewater through microbial processes［J］. Current Opinion in Biotechnology,2012,23(6):878-883.
［5］Shu L,Schneider P,Jegatheesan V,et al. An economic evaluation of phosphorus recovery as struvite from digester supernatant［J］. Bioresour Technol,2006,97(17):2211-2216.
［6］Wu Q,Bishop P L. Enhancing struvite crystallization from anaerobic supernatant［J］. Journal of Environmental Engineering & Science,2015,89(3):21-29.
［7］Cloete T E,Oosthuizen D J. The role of extracellular exopolymers in the removal of phosphorus from activated sludge［J］. Water Res,2001,35(15):3595-3598.
［8］Zou J,Li Y. Anaerobic fermentation combined with lowtemperature thermal pretreatment for phosphorusaccumulating granular sludge:Release of carbon source and phosphorus as well as hydrogen production potential［J］. Bioresour Technol,2016,218:18-26.
［9］Steckenmesser D,Vogel C,Adam C,et al. Effect of various types of thermochemical processing of sewage sludges on phosphorus speciation,solubility,and fertilization performance［J］. Waste Manage,2017,62:194-203.
［10］Val del Rio A,Morales N,Isanta E,et al. Thermal pretreatment of aerobic granular sludge:impact on anaerobic biodegradability［J］. Water Res,2011,45(18):6011-6020.
［11］薛涛,黄霞,郝王娟. 剩余污泥热处理过程中磷、氮和有机碳的释放特性［J］. 中国给水排水,2006,22(23):22-25. Xue Tao,Huang Xia,Hao Wangjuan. Characteristics of phosphorus,nitrogen and total organic carbon release in thermal excess sludge treatment process［J］. China Water & Wastewater,2006,22(23):22-25(in Chinese).
［12］Zhang M Y,Kuba T. Inhibitory effect of metal ions on the polyphosphate release from sewage sludge during thermal treatment［J］. Environ Technol,2014,35(9/12):1157-1162.
［13］Xu Y,Hu H,Liu J,et al. pH dependent phosphorus release from waste activated sludge:contributions of phosphorus speciation［J］. Chemical Engineering Journal,2015,267:260-265.
［14］Ruban V,LópezSánchez J F,Pardo P,et al. Harmonized protocol and certified reference material for the determination of extractable contents of phosphorus in freshwater sediments—a synthesis of recent works［J］. Fresenius Journal of Analytical Chemistry,2001,370(2/3):224-228.
［15］程振敏,魏源送,刘俊新. 酸碱预处理对常压微波辐射剩余活性污泥磷释放的影响［J］. 环境科学,2009,30(4):1110-1114. Cheng Zhenmin,Wei Yuansong,Liu Junxin. Effect of acid and alkali on phosphorus release from sewage sludge in the microwave treatment process［J］. Environmental Science,2009,30(4):1110-1114(in Chinese).
［16］Weiler R R. Rate of loss of ammonia from water to the atmosphere［J］. Journal of the Fisheries Research Board of Canada,2011,36(6):685-689.
［17］陶飞飞,田晴,李方,等. 共存杂质对磷酸铵镁结晶法回收磷的影响研究［J］. 环境工程学报,2011,5(11):2437-2441. Tao Feifei,Tian Qing,Li Fang,et al. Effects of coexisting impurities on phosphorus recovery in magnesium ammonium phosphate crystallization［J］. Chinese Journal of Environmental Engineering,2011,5(11):2437-2441(in Chinese).
［18］许德超,周礼杰,尹魁浩,等. 低温热碱破解低有机质污泥及磷形态分析［J］. 环境工程学报,2017,11(10):5621-5629. Xu Dechao，Zhou Lijie，Yin Kuihao,et al. Disintegration and phosphorus forms of alkaline pretreatment with lowtemperature heating for loworganic sludge［J］. Chinese Journal of Environmental Engineering,2017,11(10):5621-5629(in Chinese).
相似文献/References:
[1]张彦平,呼瑞琪,李一兵,等.高铁酸盐氧化剩余污泥溶胞减量研究[J].中国给水排水,2020,36(15):59.
ZHANG Yan-ping,HU Rui-qi,LI Yi-bing,et al.Lysis and Reduction of Excess Sludge by Ferrate Oxidation[J].China Water & Wastewater,2020,36(21):59.
[2]胡德秀,张聪,张艳.超声强化污泥释磷及MAP法磷回收优化研究[J].中国给水排水,2020,36(15):65.
HU De-xiu,ZHANG Cong,ZHANG Yan.Phosphorus Release from Sludge Enhanced by Ultrasound and Optimization of Phosphorus Recovery by Magnesium Ammonium Phosphate Method[J].China Water & Wastewater,2020,36(21):65.
[3]晏习鹏,肖小兰,亓金鹏,等.中试厌氧膜生物反应器对剩余污泥的消化效果[J].中国给水排水,2020,36(19):1.
YAN Xi-peng,XIAO Xiao-lan,QI Jin-peng,et al.Digestion of Excess Sludge in a Pilot Anaerobic Membrane Bioreactor[J].China Water & Wastewater,2020,36(21):1.
[4]孙洋洋,张雨辰,徐苏云.不同来源剩余污泥有机质赋存特征及厌氧消化潜能[J].中国给水排水,2021,37(11):17.
SUN Yang-yang,ZHANG Yu-chen,XU Su-yun.Characteristics of Organic Matters in Excess Sewage Sludge from Different Sources and Their Anaerobic Digestion Potential[J].China Water & Wastewater,2021,37(21):17.
[5]朱赵冉,黄显怀,唐玉朝,等.低速搅拌球磨破解剩余污泥高效释放碳源[J].中国给水排水,2021,37(13):1.
ZHU Zhao-ran,HUANG Xian-huai,TANG Yu-chao,et al.High Efficient Release of Carbon Source from Excess Sludge Disintegrated by Low-speed Stirring and Ball-milling[J].China Water & Wastewater,2021,37(21):1.
[6]李伟,常菁,王佳伟,等.热水解高级厌氧消化系统的污泥消毒、减量与能量回收[J].中国给水排水,2021,37(16):19.
LI Wei,CHANG Jing,WANG Jia-wei,et al.Sludge Disinfection, Reduction and Energy Recovery by Anaerobic Digestion with Thermal Hydrolysis Pretreatment[J].China Water & Wastewater,2021,37(21):19.
[7]赵博玮,牛宇锟,谢飞,等.剩余污泥碳化裂解液的资源化中试研究[J].中国给水排水,2021,37(19):1.
ZHAO Bo-wei,NIU Yu-kun,XIE Fei,et al.Pilot-scale Study on Resource Recycling of Excess Sludge Carbonized Pyrolysis Liquid[J].China Water & Wastewater,2021,37(21):1.
[8]窦川川,刘玉玲,赵鹏鹤,等.碱预处理对剩余污泥DOM的溶出特征及平行因子分析[J].中国给水排水,2021,37(19):14.
DOU Chuan-chuan,LIU Yu-ling,ZHAO Peng-he,et al.Effect of Alkaline Pretreatment on DOM Dissolution Characteristics of Excess Sludge and Parallel Factor Analysis[J].China Water & Wastewater,2021,37(21):14.
[9]东东,赵珊,郭学彬,等.典型污泥高级厌氧消化工艺中恶臭物质的分布特征[J].中国给水排水,2021,37(21):7.
DONG Dong,ZHAO Shan,GUO Xue-bin,et al.Distribution Characteristics of Odorants in Typical Sludge Advanced Anaerobic Digestion Process[J].China Water & Wastewater,2021,37(21):7.
[10]罗锋,彭进湖,张忠祥,等.南方污水处理厂污泥厌氧发酵制取碳源及投加策略[J].中国给水排水,2022,38(3):1.
LUO Feng,PENG Jin?hu,ZHANG Zhong-xiang,et al.Preparation of Carbon Source by Anaerobic Fermentation of Sludge in Wastewater Treatment Plant in Southern China and Its Dosing Strategy[J].China Water & Wastewater,2022,38(21):1.
备注/Memo
基金项目：陕西省教育厅重点项目（17JS103）作者简介：徐志嫱（1969- ），女，重庆人，博士，教授，主要从事污水再生利用与水生态修复技术研究。
E-mail:595269472@qq.com
收稿日期：2018-06-05
更新日期/Last Update: 2018-11-01
[1]徐志嫱,李瑶,周爱朝,等.污泥热水解过程中磷的释放规律与影响因素[J].中国给水排水,2018,34(21):24-30.
XU Zhi qiang,LI Yao,ZHOU Ai chao,et al.Phosphate Release and Influencing Factors Analysis during Sludge Thermal Hydrolysis[J].China Water & Wastewater,2018,34(21):24-30.
点击复制
污泥热水解过程中磷的释放规律与影响因素
中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第34卷 期数: 2018年21期 页码: 24-30 栏目: 论述与研究 出版日期: 2018-10-20
- Title:
- Phosphate Release and Influencing Factors Analysis during Sludge Thermal Hydrolysis
- 文章编号:
- 1000-4602(2018)21-0024-07
- 作者:
- 徐志嫱1，李瑶1，周爱朝1，姚宸朕1，2，刘荣荣1
- (1.西安理工大学陕西省西北旱区生态水利工程重点实验室，陕西西安710048；2.中节能 工业水务工程有限公司，陕西西安710048)
- Author(s):
- XU Zhi qiang1,LI Yao1,ZHOU Ai chao1,YAO Chen zhen1，2,LIU Rong rong1
- (1. State Key Laboratory Base of Eco-Hydraulic Engineering in Arid Area, Xi’an University of Technology, Xi’an 710048, China; 2. Energy Saving Industrial Water Engineering Co. Ltd.Xi’an 710048, China)
- 关键词:
- 剩余污泥; 热水解; pH值; 磷释放; 影响因素
- Keywords:
- excess sludge; thermal hydrolysis; pH; phosphorus release; influencing factor
- 分类号:
- TU992
- 文献标志码:
- A
- 摘要:
- 剩余污泥中富含磷物质，具有较大的回收利用价值。从污泥中高效回收磷最重要的步骤是将磷尽可能地释放到溶液中。以含固率为5%的剩余污泥（干污泥中磷占比为1.1%）为研究对象，进行了热水解磷释放规律研究。结果显示：当采用低温水解与投加酸联合处理剩余污泥时，污泥絮体被破坏，磷的释放量显著增加。当温度为75 ℃、加热时间为1 h、pH值为3时，TP和IP的释放量可达到最大，分别为311.9 mg/L和293.8 mg/L，是原污泥液相中TP和IP含量的7.9倍和8.4倍。将经上述条件处理的污泥混合液在35 ℃下静置24 h，污泥液相中NH+4-N浓度由96.0 mg/L提高到318.7 mg/L，同时伴随着SCOD浓度的明显减小。因此，通过低温短时热水解联合酸处理可显著提高污泥中磷和氨氮的释放量，可为后续以鸟粪石沉淀法回收磷创造有利条件。
- Abstract:
- The phosphorus (P) in excess sludge (ES) produced by the sewage treatment plant has huge recycling value. The most important step of P recovery from the ES is to release as much P as possible into the solution. In this work, the ES with a solid content of 5% was used to study P release during the thermal hydrolysis. The results showed that when the ES was treated with lowtemperature and pretreated with acid, the floc of the sludge was destroyed, and the release of P increased significantly. When the temperature was 75 ℃ for 1 h, the release of the total P (TP)and dissolving inorganic P (IP) in the liquid phase of raw sludge reached the maximum level, 311.9 mg/L and 293.8 mg/L, respectively, and was increased by 7.9 times and 8.4 times compared with raw sludge. When the sludge mixture was allowed to stand for 24 h at 35 ℃, the concentration of ammonia nitrogen (NH+4-N) increased from 96.0 mg/L to 318.7 mg/L, accompanied by a significant decrease in the concentration of soluble chemical oxygen demand (SCOD).These results demonstrated that the combination of lowtemperature and shorttime thermal and acid pretreatment could significantly increase the P and NH+4-N release in the sludge, which created favorable conditions for P recovery by struvite precipitation.
参考文献/References:
［1］Cordell D,Drangert J O,White S. The story of phosphorus: Global food security and food for thought［J］. Global Environmental Change,2009,19(2):292-305.
［2］Rittmann B E,Mayer B,Westerhoff P,et al. Capturing the lost phosphorus［J］. Chemosphere,2011,84(6):846-853.
［3］Wu L,Zhang C,Hu H,et al. Phosphorus and shortchain fatty acids recovery from waste activated sludge by anaerobic fermentation:Effect of acid or alkali pretreatment［J］. Bioresour Technol,2017,240:192-196.
［4］Yuan Z,Pratt S,Batstone D J. Phosphorus recovery from wastewater through microbial processes［J］. Current Opinion in Biotechnology,2012,23(6):878-883.
［5］Shu L,Schneider P,Jegatheesan V,et al. An economic evaluation of phosphorus recovery as struvite from digester supernatant［J］. Bioresour Technol,2006,97(17):2211-2216.
［6］Wu Q,Bishop P L. Enhancing struvite crystallization from anaerobic supernatant［J］. Journal of Environmental Engineering & Science,2015,89(3):21-29.
［7］Cloete T E,Oosthuizen D J. The role of extracellular exopolymers in the removal of phosphorus from activated sludge［J］. Water Res,2001,35(15):3595-3598.
［8］Zou J,Li Y. Anaerobic fermentation combined with lowtemperature thermal pretreatment for phosphorusaccumulating granular sludge:Release of carbon source and phosphorus as well as hydrogen production potential［J］. Bioresour Technol,2016,218:18-26.
［9］Steckenmesser D,Vogel C,Adam C,et al. Effect of various types of thermochemical processing of sewage sludges on phosphorus speciation,solubility,and fertilization performance［J］. Waste Manage,2017,62:194-203.
［10］Val del Rio A,Morales N,Isanta E,et al. Thermal pretreatment of aerobic granular sludge:impact on anaerobic biodegradability［J］. Water Res,2011,45(18):6011-6020.
［11］薛涛,黄霞,郝王娟. 剩余污泥热处理过程中磷、氮和有机碳的释放特性［J］. 中国给水排水,2006,22(23):22-25. Xue Tao,Huang Xia,Hao Wangjuan. Characteristics of phosphorus,nitrogen and total organic carbon release in thermal excess sludge treatment process［J］. China Water & Wastewater,2006,22(23):22-25(in Chinese).
［12］Zhang M Y,Kuba T. Inhibitory effect of metal ions on the polyphosphate release from sewage sludge during thermal treatment［J］. Environ Technol,2014,35(9/12):1157-1162.
［13］Xu Y,Hu H,Liu J,et al. pH dependent phosphorus release from waste activated sludge:contributions of phosphorus speciation［J］. Chemical Engineering Journal,2015,267:260-265.
［14］Ruban V,LópezSánchez J F,Pardo P,et al. Harmonized protocol and certified reference material for the determination of extractable contents of phosphorus in freshwater sediments—a synthesis of recent works［J］. Fresenius Journal of Analytical Chemistry,2001,370(2/3):224-228.
［15］程振敏,魏源送,刘俊新. 酸碱预处理对常压微波辐射剩余活性污泥磷释放的影响［J］. 环境科学,2009,30(4):1110-1114. Cheng Zhenmin,Wei Yuansong,Liu Junxin. Effect of acid and alkali on phosphorus release from sewage sludge in the microwave treatment process［J］. Environmental Science,2009,30(4):1110-1114(in Chinese).
［16］Weiler R R. Rate of loss of ammonia from water to the atmosphere［J］. Journal of the Fisheries Research Board of Canada,2011,36(6):685-689.
［17］陶飞飞,田晴,李方,等. 共存杂质对磷酸铵镁结晶法回收磷的影响研究［J］. 环境工程学报,2011,5(11):2437-2441. Tao Feifei,Tian Qing,Li Fang,et al. Effects of coexisting impurities on phosphorus recovery in magnesium ammonium phosphate crystallization［J］. Chinese Journal of Environmental Engineering,2011,5(11):2437-2441(in Chinese).
［18］许德超,周礼杰,尹魁浩,等. 低温热碱破解低有机质污泥及磷形态分析［J］. 环境工程学报,2017,11(10):5621-5629. Xu Dechao，Zhou Lijie，Yin Kuihao,et al. Disintegration and phosphorus forms of alkaline pretreatment with lowtemperature heating for loworganic sludge［J］. Chinese Journal of Environmental Engineering,2017,11(10):5621-5629(in Chinese).
相似文献/References:
[1]张彦平,呼瑞琪,李一兵,等.高铁酸盐氧化剩余污泥溶胞减量研究[J].中国给水排水,2020,36(15):59.
ZHANG Yan-ping,HU Rui-qi,LI Yi-bing,et al.Lysis and Reduction of Excess Sludge by Ferrate Oxidation[J].China Water & Wastewater,2020,36(21):59.
[2]胡德秀,张聪,张艳.超声强化污泥释磷及MAP法磷回收优化研究[J].中国给水排水,2020,36(15):65.
HU De-xiu,ZHANG Cong,ZHANG Yan.Phosphorus Release from Sludge Enhanced by Ultrasound and Optimization of Phosphorus Recovery by Magnesium Ammonium Phosphate Method[J].China Water & Wastewater,2020,36(21):65.
[3]晏习鹏,肖小兰,亓金鹏,等.中试厌氧膜生物反应器对剩余污泥的消化效果[J].中国给水排水,2020,36(19):1.
YAN Xi-peng,XIAO Xiao-lan,QI Jin-peng,et al.Digestion of Excess Sludge in a Pilot Anaerobic Membrane Bioreactor[J].China Water & Wastewater,2020,36(21):1.
[4]孙洋洋,张雨辰,徐苏云.不同来源剩余污泥有机质赋存特征及厌氧消化潜能[J].中国给水排水,2021,37(11):17.
SUN Yang-yang,ZHANG Yu-chen,XU Su-yun.Characteristics of Organic Matters in Excess Sewage Sludge from Different Sources and Their Anaerobic Digestion Potential[J].China Water & Wastewater,2021,37(21):17.
[5]朱赵冉,黄显怀,唐玉朝,等.低速搅拌球磨破解剩余污泥高效释放碳源[J].中国给水排水,2021,37(13):1.
ZHU Zhao-ran,HUANG Xian-huai,TANG Yu-chao,et al.High Efficient Release of Carbon Source from Excess Sludge Disintegrated by Low-speed Stirring and Ball-milling[J].China Water & Wastewater,2021,37(21):1.
[6]李伟,常菁,王佳伟,等.热水解高级厌氧消化系统的污泥消毒、减量与能量回收[J].中国给水排水,2021,37(16):19.
LI Wei,CHANG Jing,WANG Jia-wei,et al.Sludge Disinfection, Reduction and Energy Recovery by Anaerobic Digestion with Thermal Hydrolysis Pretreatment[J].China Water & Wastewater,2021,37(21):19.
[7]赵博玮,牛宇锟,谢飞,等.剩余污泥碳化裂解液的资源化中试研究[J].中国给水排水,2021,37(19):1.
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备注/Memo
基金项目：陕西省教育厅重点项目（17JS103）作者简介：徐志嫱（1969- ），女，重庆人，博士，教授，主要从事污水再生利用与水生态修复技术研究。
E-mail:595269472@qq.com
收稿日期：2018-06-05
更新日期/Last Update: 2018-11-01
