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1、2262006M11WATER RESOURCES PROTECTIONVol. 22 No. 6Nov. 2006Te:(1947 ) ) ,3,q)=,pV3=,1VY5#STbE-mail: siquanyin sohu. comZE1, 2( 1.8, 710004; 2.yS/v, 710055)K1: 提出了按照自产水资源估算各地水环境容量的方法,计算了不同设计流量下,陕西省两种主要污染物COD,NH3-N的水环境容量b1oM:水环境容量;容量计算;稀释容量;自净容量ms|:TV213 DSM:A cI|: 1004O6933( 2006) 06O0041O02Calculatio
2、n of water environmental capacitySI Quan-yin1, GAO Rong2( 1. ShaanXi Environmental Protection Administration, Xi. an 710004, China; 2. Xi. an University of Architecture andTechnology; Xi. an 710055, China)Abstract:A method for the calculation of water environmental capacity according to water resour
3、ces produced by differentregions has been put forward. By using this method, water environmental capacities for two major pollutants in ShaanxiProvince have been calculated under different design flowrates.Keywords:water environmental capacity; capacity calculation; dilution capacity; sel-f purifica
4、tion capacity1 M!B1p?h,?bd1bZ4ibyN,Cb1,1?1,P95ebB,9P?1bP?!,?u!s1,91bVPdBS9,;ZL1,T,9E7(SIII8)Cb!?Msb?u,?uhbv5,?u(u) 1b2 9ZE2. 1 v19ZEa.d 2 :M1 = Q1 i( Ci - Ci0) / 100T: CiiS, mg/ L(ypdB|S) ; Ci 0i,mg/L(ypCODBpv109) ; M1id,t/ a; Q1jje1,am3/ abb.1 3 :M2 = 0. 5GM 1 1 - exp(- K iXj / Uj ) T: K ii8, 1/ d(
5、yp015m/ sH|012;012 m/ sH|0115) ; Xjej, km; Ujej,km/ d; Gej=1q, G|0 1b#41#2. 2 191dFbbdH,1Fb19-CSCbO9,1v,Sqvb9V:SE9wi1012 ( 1/ d ) ,|015 m/ sH,L100 km=,11m3,d(COD9)1 000 kgH,v20km, 25 km, 33 km,50 km, 100km 51q100%70%f,sY91,nV1b9100 km,1q100%H,1d18%P,i50%S,KvSq18%bT1q70%H,1d13% ,i35%S,KvSq13%bV1 19/
6、km100%q70%q1/ kgKvSq/ %1/ kgKvSq/ %100 18515 1815 12917 131050 10313 1013 7213 71233 7115 711 5011 51025 5416 515 3813 31820 4412 414 3110 311TvS( 5%) ,SKvSqv5%,51q100%H,19BRV20 kmb1q70%H,19BRV30 kmb3 9U3. 1 !4SEVSSb?bCODi10 mg/ L; NH3-Ni0115 mg/Lb3. 2 S|SSEVSSb: B,$,yNAdB,5; L8S1,y?u,OsidB?S,vi; Tv
7、?u9,5?uVv,v?ZbWbu6?Z,|u|?u_?ut,K|8/b,RdBS9Rb3. 3 1|K COD|012(015m/ s) ;K NH3-N|011(015 m/ s)b3. 4 qd0135 0165 m/ sb#2u4015m/ s,1udl,4012 m/ sb012m/ sH,K COD0115K NH3-N0175b3. 5 !9vqP95%Kj89,Tlbsy,P95%Kjlbq8M(256am3,vP95%Kj|M15am3,qM(6% ,M015%,f1/ 4b20W90Mouo1b;P95%Kj,9P99%Kj,.byB,NKlbBy,9,d9VbIn8+,H9P95%q/j(,#P75%Kjj(,iO5Gb3. 6 d98SZAlu,lu;2Aub2u|aIndY,71#uI
