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1、QCVN 24: 2009/BTNMT SOCIALIST REPUBLIC OF VIETNAMQCVN 24: 2009/BTNMTNational Technical Regulation on Industrial WastewaterH NI - 2009ForewordQCVN 24: 2009/BTNMT was complied by Drafting Committee of national technical regulations on water quality, submitted by Vietnam Environment Administration and
2、Department of Legislation and promulgated in line with Circular No. 25/2009/TT-BTNMT dated November 16, 2009 issued by Ministry of Natural Resource and Environment National Technical Regulation on Industrial Wastewater1. GENERAL PROVISIONS1.1. Scope of regulation This regulation provides for maximum
3、 allowable values of pollution parameters in industrial wastewater discharged into receiving facilities1.2. Subjects of application 1.2.1. This regulation applies to individuals and organizations carrying out activities related to the discharge of industrial wastewater in to receiving facilities 1.2
4、.2. Wastewater of some industries and field of particular activities shall be regulated separately 1.3. Interpretation of termsIn this regulation, the terms below are construed as follows1.3.1. Industrial wastewater means solution discharged from industrial manufacturing, processing, trading and ser
5、vicing premises into wastewater-receiving facilities 1.3.2. Kq means discharge coefficient/volumetric capacity of the receiving facilities corresponding to flow discharge of river, stream, spring, canal, channel, streamlet, rillet and volumetric capacity of reservoir, lake, pond and swamp 1.3.3. Kf
6、discharge coefficient of wastewater-discharging sources of industrial manufacturing, processing, trading and servicing premises into wastewater-receiving facilities1.3.4. wastewater-receiving facilities means surface water bodies or coastal water areas used with particular and specific purpose where
7、 industrial wastewater is discharged into1. TECHNICAL REGULATION2.1. The allowable maximum value of pollution parameters in industrial wastewater is calculated as follows:Cmax = C x Kq x Kf where:- Cmax is allowable maximum value of the pollution parameter in industrial wastewater discharged into re
8、ceiving facilities, measured in milligram per liter (mg/l);- C is value of pollution parameter in industrial wastewater stipulated at section 2.3- Kq is discharge coefficient/volumetric capacity of the receiving facilities stipulated at section 2.4- Kf is discharge coefficient of wastewater source s
9、tipulated at section 2.52.2. Cmax = C (without coefficient of Kq and Kf) is applied to parameters: temperature, pH, odour, colour, Coliform, Gross activity and gross activity 2.3. The C Value of pollution parameters in industrial wastewater is stipulated at the table No. 1 below:Table 1: The C Value
10、 of pollution parameters in industrial wastewaterO. NoParameterUnitC ValueAB1Temperature0C40402pH-6-95,5-93Odour气味-Khng kh chuKhng kh chu4Colour (Co-Pt at pH = 7)色度-20705BOD5 (200C)mg/l30506CODmg/l501007Suspended solids悬浮物mg/l501008Arsenic砷mg/l0,050,19Mercury 汞mg/l0,0050,0110Lead铅mg/l0,10,511Cadimiu
11、m镉mg/l0,0050,0112Chromium (VI) 六价铬mg/l0,050,113Chromium (III) 三价铬mg/l0,2114Cooper mg/l2215Zinc锌mg/l3316Nickel镍mg/l0,20,517Manganese锰mg/l0,5118Iron铁mg/l1519Tin锡mg/l0,2120Cyanide氰化物mg/l0,070,121Phenol酚mg/l0,10,522Mineral Oil and fatmg/l5523Animal-vegetable oil and fatmg/l102024Chlroine residual mg/l12
12、25PCBsmg/l0,0030,0126Pesticide: organic phosphrous mg/l0,3127Pesticide: organic chlorinemg/l0,10,128Sunfidemg/l0,20,529Fluoride mg/l51030Chloride氯化物mg/l50060031Ammonia (as N)mg/l51032Total Nitrogen mg/l153033Total Phosphorous mg/l4634ColiformMPN/100ml3000500035Gross activityBq/l0,10,136Gross activit
13、y Bq/l1,01,0Where:- Colume A stipulates value C of pollution parameter in industrial wastewater discharged into receiving facilities using for sources of domestic water supply- Colume B stipulats value C of pollution parameter in industrial wastewater discharged into receiving facilities not using f
14、or sources of domestic water supply- Parameter of chlorine shall not be applied to receiving facilities which are brackish and salt water2.4. Discharge coefficient/volumetric capacity of receiving facilities Kq is stipluated as follows2.4.1. Coefficient Kq corresponding to flow discharge of receiving facilities whichs are river, stream, spring, canal, channel, streamlet, rillet is stipulated at the table No. 2 below:Table 2: Coefficient Kq of receiving facilities whichs are river, stream, spring, canal, channel, streamlet
