RPIR反应器结合加压生化工艺处理难降解有机废水
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摘要
反应沉淀一体式矩形环流生物反应器(简称RPIR反应器)具有污泥自动回流的特点,可以维持较高浓度的活性污泥和保持较强的抗冲击性能力。常温下,采用RPIR工艺和加压溶气生化气浮反应器处理深圳市某危废站的难降解有机污染物废水,日处理水量为300 m3/d,废水处理工艺为"A/O+A/O"。结果显示,稳定运行后,系统最终出水的COD和NH3-N分别降至250 mg/L、15 mg/L及以下,COD的去除率达80.3%~94.3%,NH3-N的去除率达45.5%~81.1%。
High-concentration acclimation of activated sludge and stronger-ability of impact resistance could be achieved by the Reaction and Precipitation Integrated Rectangular Airlift Loop bioreactor( namely RPIR),which had the function of automatic sludge circulation. Combined with the bioreactor consisting of pressurized aeration and dissolved air flotation,the RPIR reactor was conducted to the treatment for persistent organic pollutant wastewater in Shenzhen. The technology fabricated by "A-O-A-O " could deal with the 300 tons of daily wastewater. The operation date demonstrated that the effluent COD and NH3-N were achieved at 250 mg/L,15 mg/L below,respectively. The removal rate for COD was 80. 3% ~ 94. 3%,and the removal rate for NH3-N was 45. 5% ~ 81. 1%.
High-concentration acclimation of activated sludge and stronger-ability of impact resistance could be achieved by the Reaction and Precipitation Integrated Rectangular Airlift Loop bioreactor( namely RPIR),which had the function of automatic sludge circulation. Combined with the bioreactor consisting of pressurized aeration and dissolved air flotation,the RPIR reactor was conducted to the treatment for persistent organic pollutant wastewater in Shenzhen. The technology fabricated by "A-O-A-O " could deal with the 300 tons of daily wastewater. The operation date demonstrated that the effluent COD and NH3-N were achieved at 250 mg/L,15 mg/L below,respectively. The removal rate for COD was 80. 3% ~ 94. 3%,and the removal rate for NH3-N was 45. 5% ~ 81. 1%.
引文
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[2]KHAN N A,HASAN Z,JHUNG S H.Adsorptive removal of hazardous materials using metal-organic frameworks(MOFs):a review[J].Journal of hazardous materials,2013,244-245:444-456.
[3]BONGO G,MERCIER G,DROGUI P,et al.Treatment of PAHcontaminated aluminium wastes by flotation using amphoteric surfactants[J].Environmental Technology,2008,29(4):479-488.
[4]仇海波,李勇,朱海鸽,等.混凝沉淀/IC/MBR工艺处理危废处置废水[J].水处理技术,2014,40(6):126-128.
[5]BAUTISTA P,MOHEDANO A F,CASAS J A,et al.An overview of the application of Fenton oxidation to industrial wastewaters treatment[J].Journal of Chemical Technology&Biotechnology,2008,83(10):1323-1338.
[6]OH S Y,KIM H W,PARK J M,et al.Oxidation of polyvinyl alcohol by persulfate activated with heat,Fe2+,and zero-valent iron[J].Journal of hazardous materials,2009,168(1):346-351.
[7]CHONG M N,JIN B,CHOW C W,et al.Recent developments in photocatalytic water treatment technology:a review[J].Water research,2010,44(10):2997-3027.
[8]IVANOVIC I,LEIKNES T.Impact of aeration rates on particle colloidal fraction in the biofilm membrane bioreactor(BF-MBR)[J].Desalination,2008,231(1-3):182-190.
[9]Narihiro T,Sekiguchi Y.Microbial communities in anaerobic digestion processes for waste and wastewater treatment:a microbiological update[J].Current of opinion in biotechnology,2007,18(3):273-278.
[10]ZHANG T,HUANG Z,CHEN X,et al.Degradation behavior of dimethyl phthalate in an anaerobic/anoxic/oxic system[J].Journal of environmental management,2016,184(2):281-288.
[11]HUSSAIN A,AIMAN EID A-R,HASSAN A.Membrane bio reactors(MBR)in waste water treatment:a review of the recent patents[J].Recent patents on biotechnology,2010,4(1):65-80.
[12]BEUN J J,HENDRIKS A,VAN LOOSDERCHT M CM,et al.Aerobic granulation in sequencing batch reactor[J].Water research,1999,33(10):2283-2290.
[13]SEGHEZZO L,ZEEMAN G,VAN LIER J B,et al.A review:the anaerobic treatment of sewage in UASB and EGSB reactors[J].Bioresource technology,1998,65:175-190.
[14]KANDARE G,VI DEZ-MOREIRAS D,HERN NDEZ-DELOLMO F.Adaptive control of the oxidation ditch reactors in a wastewater treatment plant[J].International Journal of Adaptive Control and Signal Processing,2012,26(10):976-89.
[15]HEN J,LIU Y S,ZHANG J N,et al.Removal of antibiotics from piggery wastewater by biological aerated filter system:Treatment efficiency and biodegradation kinetics[J].Bioresource technology,2017,238:70-77.
[16]SPAN J C.Environmental biotechnology research-an overview[J].Aviation space and environmental medicine,1994,65(5):A131-A137.
[17]HASHIMOTO T,ONDA K,NAKAMURA Y,et al.Comparison of natural estrogen removal efficiency in the conventional activated sludge process and the oxidation ditch process[J].Water research,2007,41(10):2117-2126.
[18]GIORGIO B,MATTEO C,GIUSEPPE L,et al.A comparison between two full-scale MBR and CAS municipal wastewater treatment plants:techno-economic-environmental assessment[J].Environ.Sci.Pollut.Res.Int.,2017,24(21):17383-17393.
[19]深圳清华大学研究院.反应沉淀一体式矩形环流生物反应器处理污水中试[P].CN:201003003,2008-1-9.
[20]Garcia-Ochoa F,Gomez E.Bioreactor scale-up and oxygen transfer rate in microbial processes:an overview[J].Biotechnology advances,2009,27(2):153-176.
[21]Kilonzo P M,Margaritis A,Bergougnou M A,et al.Effects of geometrical design on hydrodynamic and mass transfer characteristics of a rectangular-column airlift bioreactor[J].Biochemical Engineering Journal,2007,34(3):279-288.
[22]刘淑杰,王丹丹,陈福明,等.反应沉淀一体式矩形环流装置处理低C/N值污水[J].中国给水排水,2010,26(5):12-15.
[23]王丹丹,刘淑杰,陈福明,等.反应沉淀一体式矩形环流反应器处理城市污水的影响因素研究[J].环境工程学报,2010,4(10):2243-2248.
[24]刘淑杰,陈福明,陈桂红,等.反应沉淀一体式矩形环流生物反应器处理污水中试[J].中国给水排水,2007,23(23):34-37.
[25]郝玉芳.加压气浮法处理含油废水中溶气压力对出水水质的影响与应用研究[J].环境工程,2011,29(1):441-443.
[26]JIA Z,PENG H,LU S,et al.Use of pressurized hydrolytic processes as a pretreatment of the wastewater from organophosphate pesticide manufacturing[J].Environmental Engineering Science,2007,24(8):981-986.
[27]深圳清华大学研究院.采用加压溶气生化气浮的污水处理方法及设备[P].CN:102616991A,2012-08-01.
[28]ZHANG Q D,LIU S J,YANG C P,et al.Bioreactor consisting of pressurized aeration and dissolved air flotation for domestic wastewater treatment[J].Separation and purification Technology,2014,138:186-190.
[29]钟小猫,范菁,刘志源,等.连华科技COD消解液的配制//2012冀苏鲁皖赣五省金属(冶金)学会第十六届焦化学术年会论文集[C].河北省冶金学会、江苏省金属学会、山东金属学会、安徽省金属学会、江西省金属学会,2012.
[30]KIM Y M,PARK D,JEON C O,et al.Effect of HRT on the biological pre-denitrification process for the simultaneous removal of toxic pollutants from cokes wastewater[J].Bioresource technology,2008,99(18):8824-8832.