cj 343 污水排入城镇下水道水质标准 (英文版)

1、Vocational Standard for Town Construction of the Peoples Republic of ChinaWastewater quality standards for discharge to municipal sewers CJ 343-2010 Replace CJ 3082-1999IntroductionSection 4 and 5.1.1, 5.1.2 are compulsory, while the rest articles in the standards are only recommendedThe standards a

2、re the revised version of CJ 3082-1999 Discharge Standard for Municipal Wastewater.Compared to CJ 3082-1999, the major changes in technical aspects are as follows:The name of the standards are now changed into Wastewater quality standards for discharge to municipal sewers;Such items following as Tem

3、perature, Fatty Oil, Mineral Oil, BOD, Phosphates, Cyanide, Volatile Phenol, Aniline are now changed into Water Temperature, Plant and Animal Oil, Petroleum, Five Day BOD, Total Phosphate, Total Cyanide, Volatile Phenol, Anilines;The newly added 12 items are: Total Nitrogen, Total Residual Chlorine,

4、 Total Chlorite, Total Beryllium, Total Silver, Formaldehyde, Chloroform, Carbon Tetrachloride, Trichloroethylene, Perchlorethylene, Pentachlorophenol, Adsorbable Organic Halogen(AOX);The item Total Antimonium is removed; The existing 2 classes of limiting value of items are changed into 3 classes;T

5、he Appendix A (Standard Appendix) and Appendix B(Standard Appendix) are both removed;The standards are issued by the Standard Item Institute, Ministry of Housing and Urban-Rural Development of China.The standards are put under centralized management of National Technical Committee on Water Supply an

6、d Drainage of Standardization Administration, Ministry of Housing and Urban-Rural Development of China. The responsible drafter of the standards is Beijing Municipal Engineering Administration Office.The other institutions involved in the drafting of the standards include: Bejing Municipal Engineeri

7、ng Design Institute, Shijiazhuang Municipal Drainage Monitoring Station, Hangzhou Municipal Drainage Monitoring Station,Chengdu Municipal Drainage Co.,Ltd., Xiamen Municipal Drainage Monitoring Station, Harbin Municipal Drainage Monitoring Station, Hefei Municipal Drainage Monitoring Station, Xian M

8、unicipal Facilities Bureau,Chengdu Municipal Drainage Facilities Administration Office, Gaobeidian Wastewater Treatment Plant of Bejing Municipal Drainage Group,Guangzhou Peking Water Co.,Ltd.The drafters of the standards are: JI Guoming, SHAN Jige, ZHANG Yi, WANG Zengyi, WANG Chunshun, JIANG Lan, X

9、U Xinpei, YANG Shirong, LI Yi, FENG Yong, HUANG Wei, CAO Jiahong, DAI Lanhua, SHA Qiyun, MA Xianfa, ZHANG Dongkang, WEI Yihong, MA Wenjin, ZOU Jiale.The previous launched versions superseded by the standards are:-CJ 18-1986;-CJ 3082-1999. Wastewater quality standards for discharge to municipal sewer

10、s1. ScopeThe standard hereof has stipulated the quality requirement, sampling and monitoring of the discharge to municipal sewers. The standard hereof is applicable to the quality of discharge to municipal sewers of all the water dischargers.2. References of StandardsAll the articles contained in th

11、e following standards shall become essential to the application of the standards. For those dated articles, only the dated versions are applicable to the standards. For those non-noted articles, the latest versions thereof are applicable to the standards.GB/T 6920Water quality, Determination of pH v

12、alue, Glass electrode methodGB/T 7466Water quality, Determination of total chromiumGB/T 7467Water quality, Determination of chromium (VI), 1,5-diphenylcarbohydrazide spectrophotometric methodGB/T 7468Water quality, Determination of total mercury, Cold atomic absorption spectrophotometryGB/T 7469Wate

13、r quality, Determination of total mercury, Potassium permanganate-potassium persulfate resolution method, Dithizone spectrophotometric methodGB/T 7470Water quality, Determination of lead, Dithizone spectrophotometric methodGB/T 7471Water quality, Determination of cadmium, Dithizone spectrophotometri

14、c methodGB/T 7472Water quality, Determination of zinc, Dithizone spectrophotometric methodGB/T 7475Water quality, Determination of copper, zinc, lead and cadmium, Atomic absorption SpectrophotometryGB/T 7484Water quality, Determination of fluoride, Ion selective electrode methodGB/T 7485Water qualit

15、y, Determination of total Arsenic, Silver diethyldithiocarbamate spectrophotometric methodGB/T 7494Water quality, Determination of anionic surfactant, Methylene blue spectrophotometric methodGB/T 8972GB/T 9803Water quality, Determination of pentachlorophenol, Gas chromatographyWater quality, Determi

16、nation of pentachlorophenol by safranine-T spectrophotometric methodGB/T 11889Water quality, Determination of anilines, N-(1-naphthyl) ethylenediamine azo spectrophotometric methodGB/T 11890Water quality, Determination of benzene and its homologous compounds, Gas chromatographyGB/T 11893GB/T 11894GB

17、/T 11896GB/T 11897GB/T 11898Water quality, Determination of total phosphorus, Ammonium molybdate spectrophotometric methodWater quality, Determination of total nitrogen, Alkaline potassium persulfate digestion-UV spectrophotometric methodWater quality, Determination of chloride, Silver nitrate titra

18、tion methodWater quality, Determination of free chlorine and total chlorine, Titrimetric method using N,N-diethyl-1,4-phenylenediamineWater quality, Determination of free chlorine and total chlorine, Spectrophotometric method using N,N-diethyl-1,4 phenylenediamineGB/T 11899Water quality, Determinati

19、on of sulfate, Weighting methodGB/T 11901Water quality, Determination of suspended substances, Weighting methodGB/T 11903Water quality, Determination of chromaticityGB/T 11906GB/T 11907 Water quality, Determination of manganese, Potassium periodate spectrophotometric methodWater quality, Determinati

20、on of silver, Flame atomic absorption spectrophotometric methodGB/T 11910Water quality, Determination of nickel, Dimethylglyoxime spectrophotometric methodGB/T 11911Water quality, Determination of iron and manganese, Flame atomic absorption spectrophotometryGB/T 11912Water quality, Determination of

21、nickel, Flame atomic absorption spectrophotometryGB/T 11914Water quality, Determination of chemical oxygen demand, Dichromate methodGB/T 13192Water quality, Determination of organophosphorus pesticide, Gas chromatographyGB/T 13194Water quality, Determination of nitrobenzene nitrotoluene, nitrochloro

22、benzene and dinitrotoluene, Gas chromatographyGB/T 13195Water quality, Determination of water temperature, thermometer or reversing thermometer methodGB/T 13197 Water quality, Determination of formaldehyde, Acetylacetone spectrophotometric methodGB/T 13199Water quality, Determination of anionic dete

23、rgent, Potentiometric titration methodGB/T 15505GB/T 15959Water quality, Determination of selenium, Graphite furnace atomic absorption spectrophotometryWater quality, Determination of adsorbable organic halogens (AOX), Microcoulometric methodGB/T 16488Water quality, Determination of petroleum and an

24、imal and vegetable oils, Infrared spectrophotometryGB/T 16489GB/T 17130Water quality, Determination of sulfide, Methylene blue spectrophotometric methodWater quality, Determination of volatile halogenated organic compounds, Headspace gas chromatographyCJ/T 51 HJ/T 59HJ/T 60 HJ/T 83 HJ 484HJ 488HJ 48

25、9HJ 493HJ 502HJ 503HJ 505HJ 535HJ 537Methods for the examination of municipal sewageWater quality, Determination of beryllium, Graphite furnace atomic absorption spectrophotometryWater quality, Determination of sulfides, Iodometric methodWater quality, Determination of adsorbable organic halogen, Io

26、n chromatography methodWater quality, Determination of cyanid, Volumetric and spectrophotometry methodWater quality, Determination of Fluoride, Fluorine reagents spectrophotometryWater quality, Determination of silver, Spectrophotometric method with 35-Br2-PADAPWater quality sampling, technical regu

27、lation of the preservation and handling of sampleWater quality, Determination of volatile phenolic compounds, Bromine methodWater quality, Determination of volatile phenolic compounds, 4-AAP spectrophotometric methodWater quality, Determination of biochemical oxygen demand after 5 days (BOD 5) for d

28、ilution and seeding methodWater quality, Determination of ammonia nitrogen, Nesslers reagent spectrophotometryWater quality, Determination of ammonia nitrogen, Distillation-neutralization titration3. DefinitionThe following terms and definitions are applicable to the standards.3.1 Municipal wastewat

29、er: refer to the discarded water that is discharged from living and production and polluted to different extent.3.2 Municipal sewer: refer to all the pipes and trenches to deliver the municipal wastewater, which consists of discharge channels, ditches and so on.3.3 Wastewater discharger: refer to al

30、l the units and individuals who discharge the municipal wastewater into the municipal sewer.3.4 Primary treatment: refers to the process of removing the floating matters and suspended solids, mainly by use of screen and gravitational settings, including adding such units on top of these two processe

31、s as chemical coagulation or incomplete biological treatment, so as to improve the performance of treatment.3.5 Secondary treatment, biological treatment: refers to the process of further removing the colloid and dissolved organic matters by use of biological treatment, i.e. activated sludge process

32、 and biological membrane process, including the intensified secondary treatment with dephosphorization and denitrogenation functions. 3.6 Reclamation treatment: refers to the purifying process of water which aims to meet certain standards of reclaim water quality and to satisfy the requirement of ce

33、rtain utilization. 4. Technical Contents4.1 General Provisions4.1.1 Strictly prohibit discharging the municipal wastewater that is corrosive to the urban sewer.4.1.3 Strictly prohibit pouring municipal refuse, drifting snow, feces and industrial residues into the urban sewer and discharging the subs

34、tances that are prone to agglomeration and thus block up the urban sewer.4.1.2 Strictly prohibit discharging extremely toxic substances, inflammable and explosive substances and harmful gases as well as steams and smokes.4.1.4 The municipal wastewater containing pathogens from medical and public hea

35、lth, biological products preparation, scientific research, meat packing and other relevant departments must be strictly disinfected. Besides following the standard hereof, they must be in accordance with special standards concerned.4.1.5 The wastewater that is in unconformity with the standard hereo

36、f must be pretreated in accordance with the regulations and requirements concerned. Strictly prohibit diluting this wastewater and then discharging it into the municipal sewer.4.2 Water quality standard4.2.1 According to the treatment degree of the WWTP at the end of the municipal sewers, the limit

37、values of the items are categorized into such grades in Table 1 as: Grade A, Grade B and Grade C. a) When the WWTP at the end of the municipal sewers adopts the reclamation treatment, the quality of wastewater discharged into the municipal sewers shall be in compliance with the stipulation of Grade

38、A.b) When the WWTP at the end of the municipal sewers adopts the secondary treatment, the quality of wastewater discharged into the municipal sewers shall be in compliance with the stipulation of Grade B.c) When the WWTP at the end of the municipal sewers adopts the primary treatment, the quality of

39、 wastewater discharged in to the municipal sewers shall be in compliance with the stipulation of Grade C.4.2.2 When there is no wastewater treatment facility in place at the end of the sewers, the quality of wastewater discharged into the municipal sewers shall at least meet the requirement of Grade

40、 C, and the quality shall be in compliance with the current national wastewater discharge standard according to where the wastewater is finally discharged to.Table 1 Water Quality Classfication Standard for Discharge to Municipal Drainage ( excluded of Maximum allowable concentration,pH)No.ItemsUnit

41、Class A Class B Class C 1Water Temperature35035352ChromaTimes5070603Free settling solidsmL/L(L15min)1010104SSmg/L4004003005Dissolved solidsmg/L1600200020006Plant and Animal Oil mg/L1001001007Petroleummg/L2020158pH9BOD5mg/L35035035010CODmg/L500(800)500(800)30011Ammonia nitrogenmg/L45454512Total nitro

42、genmg/L70704513Total phosphorusmg/L88814LAS Anionic surface active agentmg/L20202015Total cyanidemg/L16Total residual chlorine(by Cl2)mg/L88817Sulfidemg/L11118Fluoride mg/L20202019Chloridemg/L50060080020Sulfatemg/L40060060021Total mercurymg/L22Total cadmiummg/L23Total chromiummg/L24Chromium (VI)mg/L

43、25Total arsenicmg/L26Total leadmg/L11127Total nickelmg/L11128Total berylliummg/L29Total silvermg/L30Total seleniummg/L31Total coppermg/L22232Total zincmg/L55533Total manganesemg/L25534Total ironmg/L5101035Volatile phenolmg/L1136Benzene and its homologous compoundmg/L137Anilinesmg/L55238Nitrobenzenem

44、g/L55339Formaldehydemg/L55240Chloroformmg/L1141Carbon tetrachloridemg/L42Trichloroethylenemg/L1143Perchlorethylenemg/L44Adsorbable organic halides(AOX, by Cl2)mg/L88545Organophosphorous pesticide (by P)mg/L46Pentachlorophenolmg/L555The values within the brackets are the maximum allowance values for

45、the indicators when there is any new construction, renovation or expansion of WWTP and BOD5 / COD 0.4 at the same time.5. Water Quality Monitoring5.1 Water Sampling5.1.1 For total mercury, total cadmium, chromium (VI), total arsenic, total lead, total nickel, total beryllium and total silver, the co

46、ncentration at the water outlet of workshop or treatment equipment shall be monitored at irregular intervals. While for the rest items, the concentration at the water outlet of the water discharger shall be monitored at irregular intervals.5.1.2 For the convenience of sampling, a monitor well shall

47、be equipped at the at outlet of the water discharger, in which the metering device shall be equipped to measure the flowrate of sewage. For the major dischargers, the online monitoring equipment shall be installed to conduct an online monitoring on the temperature, pH, COD and other important parame

48、ters. 5.1.3 The sampling frequency and sampling methods (spot sampling and composite sampling) shall be determined by the municipal discharge monitoring agencies while the storage and management of the samplings shall comply with HJ 493.5.2 Monitoring5.2.1 The municipal discharge monitoring agency s

49、hall be in charge of the water quality monitoring of the wastewater discharged into municipal sewers.5.2.2 The testing method of the items shall comply with the stipulation in Table 2. Table 2 Testing MethodsNo.ItemsTesting Method Standard Implemented 1Water TemperatureThermometer or reversing therm

50、ometer methodGB/T 13195 Thermometer methodCJ/T 512ChromaDilution method aGB/T 11903Dilution methodCJ/T 513Free settling solidsVolumetric methodCJ/T 514SSWeighting method aGB/T 11901Weighting methodCJ/T 515Dissolved solidsWeighting method CJ/T 516Plant and Animal Oil Infrared spectrophotometryaGB/T 1

51、6488Weighting methodCJ/T 517PetroleumInfrared spectrophotometryGB/T 16488UV-spectrophotometry methodCJ/T 518pHGlass electrode method aGB/T 6920Potentiometer methodCJ/T 519BOD5Dilution and seeding method aCJ/T 51Dilution and seeding methodHJ 50510CODDichromate method aGB/T 11914Dichromate methodCJ/T

52、5111Ammonia nitrogenVolumetric methods aCJ/T 51Nesslers reagent spectrophotometryCJ/T 51Nesslers reagent colorimetric methodHJ 535Distillation-neutralization titrationHJ 53712Total nitrogenAlkaline potassium persulfate digestion-UV spectrophotometric method GB/T 11894Titrimetric method after distill

53、ationCJ/T 51Spectrophotometric method after distillationCJ/T 5113Total phosphorusAmmonium molybdate spectrophotometric methodGB/T 11893Molybdenum blue ascorbiaccid to deoxidize spectrophotometric methodCJ/T 51Stannous chloride reduction spectrophotometryCJ/T 51Potassium persulfate pressure Digestion

54、 -stannous chloride spectrophotometryCJ/T 5114LASMethylene blue spectrophotometric method GB/T 7494Potentiometric titration methodGB/T 13199Methylene blue spectrophotometric methodCJ/T 51High Performance Liquid ChromatographyCJ/T 5115Total cyanideIsonicotinic acid pyrazolone spectrophotometryCJ/T 51

55、Argentometric methodCJ/T 51Pyridine- barbituric acid spectrophotometric methodCJ/T 51Volumetric and spectrophotometry methodHJ 48416Total residual chlorine(by Cl2)Spectrophotometric method using N,N-diethyl-1,4 phenylenediamine aGB/T 11898Titrimetric method using N,N-diethyl-1, 4-phenylenediamineGB/

56、T 1189717SulfideMethylene blue spectrophotometric method GB/T 16489Spectrophotometry of amino N, N dimethyl anilineCJ/T 51Volumetric methodCJ/T 51Iodometric methodHJ/T 6018Fluoride Ion ChromatograhpyCJ/T 51Ion selective electrode methodGB/T 7484Fluorine reagents spectrophotometryHJ 48819ChlorideSilv

57、er nitrate titration method GB/T 11896Ion ChromatograhpyCJ/T 5120SulfateIon ChromatograhpyCJ/T 51Weighting methodGB/T 11899Barium chromate volumetric methodCJ/T 5121Total mercuryAtomic fluorescence spectrometryCJ/T 51Cold atomic absorption spectrophotometryGB/T 7468Potassium permanganate-potassium p

58、ersulfate resolution method, Dithizone spectrophotometric methodGB/T 746922Total cadmiumAtomic absorption Spectrophotometry aGB/T 7475Dithizone spectrophotometric methodGB/T 7471Chelating flame atomic absorption spectrometryCJ/T 51Graphite furnace atomic absorption spectrophotometryCJ/T 51Inductivel

59、y coupled plasma emission spectrometryCJ/T 5123Total chromium Flame atomic absorption spectrophotometry aCJ/T 51Potassium permanganate oxidation- diphenylcarbohydrazide spectrophotometric methodGB/T 7466Diphenylcarbohydrazide spectrophotometric methodCJ/T 51Inductively coupled plasma emission spectr

60、ometryCJ/T 5124Chromium (VI)Diphenylcarbohydrazide spectrophotometric method aGB/T 7467Diphenylcarbohydrazide spectrophotometric methodCJ/T 5125Total arsenicAtomic fluorescence spectrometryaCJ/T 51Silver diethyldithiocarbamate spectrophotometric methodGB/T 7485Silver diethyldithiocarbamate spectroph