上海师范大学硕士学位论文上海城区承体黑臭主要影响因子及治理案例比较研究DO监测值持续为0,与其他指标的相关性无法显示。3.1.5施北界表3—5a施北界水质指标TORPsDTP时间A(℃)O呐2006-6-15272?122(∞)(ms/L)(ms/L)(ms/L)(ms/L)(mgL)(ms/L)(ms/m)102.53698.2519.6'/0.057.532.6328.o546.0693.423.82006—6-243085133.19003.9922.340.0200.016.82006—6-3029-951.58070.7916.490.015.9112.0207.510.22006-7.928-287272.28673.1613.33-16.2120.073.79,82006.7.162765172.38071.392.380.519.284.0884-5146.1529.690.15.62006-7-2226.5.280193.24923.1619.230.0143104.010.42006-7-3135224255.24061.735.240.852.750.1144.011.92006-8-6—29-311124.24262.904.880.0193.114.o2006-8-1631.52164.21501.1619.130.431.4189.1212.91532005-8-202814115.31101.5312.47o.049.8223j1042.917.02006-8-2530103113.55702.127.853.237.3188.5—589.7171.4711.7平均值29.15-59.6416.103.442.7413.000.4834.27456.0313.32表3-5a为施北界水质指标监测结果及有机污染指数.结果表明:感官上水色是绿色,有时灰白色,较少有异味发生;A值均大于5.6,平均值13.32,最高值达23.8;藻类生物量较高,叶绿素a含量平均达456rag/m3:TP平均值高达3.44mg/L;DO多次为0;透明度平均值仅为16cm;CODer很高,平均为171mg/L;氧化还原电势平均值为负值(.59.64my),但11次测量值中有5次为正值;硫化物含量较低,平均为2.74mg/L。总体来看治理效果不理想,尚未消除黑臭.上海师范大学硕士学位论文上海城区水体黑臭主要影响因子及治理案例比较研究表3-5b为施北界水质指标相关性分析结果。由此表可知以下因子之间相关性显著:T与ORP0.65,rP0.73/D00.66,即水温与ORP、TP、DO成正相关:TO.65/D00.74/Chla.0.77,即ORP与水温、DO、叶绿素a含量成正相关;Doo.79/CODcr-0.67,A-O.63,即SD与DO成正相关,与CODcr、A值成负相关;0l灌与SD与TP与SF与TO.73/D00.53/BODs0.58,即TP与水温、DO、BOD5成正相关;BODs0.50/CODcro.81/Ao.79,即硫化物与BOD5、CODcr、A值成正相关;NH3-N与DO-0~5饥均.55,即氨氮与DO成负相关,与A值成正相关;DO与TO.66/ORP0.74/SD0.79/TP0.53/NH3-N-0.57,即DO与水温、ORP、SD、TP成正相关,与氨氮成负相关;.BODs与TP0.58/SF0.50/CODcr0.78/A0.70,即BOD5与口、硫化物、CODer、A值成正相关;CODer与SD-0.67/SF0.81/BODs0.78/A0.98,即CODer与SD成负相关,与硫化物、BOD5、A值成正相关;Chla.与ORP0.77,即时绿素a含量与ORP成正相关;A与SD一0.63/SF0.79/NH3,NO.55/BOD50.70/CODcr0.98,即A值与SD成负相关,与硫化物、氨氮、BOD5、CODcr成正相关。3.1.6绥宁河表3—6a绥宁河水质指标TORPSDTI'SFNH3-lqDOBODsCODcrClda.A时间(℃)㈤136-50(m)(mg/L)(rag/L)(mg/I.)(rag/L)(m碉(rng/L)(mg∞322006岳152006—6-2427.60.9288.2514.110.545.280.o80.110.9730221.6800.8011.987.940.2188.0147.410.612006-63030211.9963,1712.910.05.3148-o73.79.672006-7-92969301.3071-581.59O_o11.772-o126.94.457.282006_7.162756351.3291.191.332.o12.o1甜.0152.0365-82006-7-2228-133331.1420.5913.610.010.2106.510.512006.7.312915258.5300.388.53Oj…’11■64.o4.110.683-6170.6’5-582∞6—8-62006-8.162006-8-20"2006-8-2529∞61367.5321.168,853.75107.64.5629304.6310.460.O5.681.9铂.O111.9屯7728301如155490,6613.268o.194.689.382j4.62.008362_53.25420.1914.643.7176.13.27平均值勰r7854.5533.403JD01.638.2515.91103.96141.156.81表3.6a为绥宁河水质指标监铡结果及有机污染指数。结果表明:感官上水色是绿色,极少有灰白色出现;较少有异味发生;除8月份的两次数值外,其余A值均高于4,平均值为6.81,最高值达10.97;藻类生物量较高,叶绿素a含量平均为141rag/m3;TP平均值高达3.0mg/L『;DO平均为2.0rag/L:透明度33cm;氧化还原电势平均为54.55my,但6且份、7月份各有一次负值;硫化物含量较低,平均值为1.63mg/L;CODcr较高(103.96mg/L).因此绥宁河总体治理效果属中上水平,基本消除了黑臭,但如果没有持续投入,黑臭反弹的几率很大。上海师范大学硬士学位论文上海城区水体黑臭主要影响因子及治理案倒比较研究表3.6b为绥宁河水质指标相关性分析结果。由此表可知以下因子之间相关性显著:●●●●●●:ORP与SIX).66/CODer-0.7毗A-O.61,即ORP与SD成正相关,与CODer、A值成负相关;SD与●ORP0.66/A-0.53,即SD与ORP成正相关,与A值成负相关;SF与BODs0.6凇0.55,即硫化物与BOD5、A值成正相关;SF0.62/A0.58,即BOD5与硫化物、A值成正相关;NHa-N与A0.68,即氨氮与A值成正相关;nOD5与CODer与ORP.0.70,AO.73,即CODer与ORP成负相关,与A值成正相关;A与ORP-0.61/SD.0.53/sF0.55/NH3.NO.68/BODs0.58/CODer0.73,即A值与ORP、SD成负相关,与硫化物、氨氮、BOD5、CODer成正相关。3.1.7唐浜表3—7a唐浜水质指标TORPSDTPSFNIl3一NDOBOD,CODcrOala.A时问(℃)(my)㈣(rag/L)(rag/L)(regaL)(rag/L)(rag/L)(toga.)(m舻西132.5604.792006-6埘2006.6-3030-24517脚0.017.21o.0612192.0611_579工18.2027-300212.254o.7972.4160.O17.942006-7-928.216231j113.1618.67o.O42.5144.023214胛6.352006-7-1627-3031023153.972.32O.o32264.0?2006-7.2226j-264m101.8742.5717.130.ol¨713144.0蟠j95.611.932006-7-313425913.0526.5213.050.o240.019.992006.8—628.1751011.2774.6313.120.o74.9216.21∞.2682j19.422006-8-1629121010.9503.5815.∞14.560.060.4239.819.582006-8-2030-260132.4722.300.049.2172.3360.415.452006—8-2530113142.4161.548.990.619.2160.7207.510.27平均值28.95.137.9013.405.073.3813.860.0650.16173.30250.9515.38表3.7a为唐浜水质指标监测结果及有机污染指数。盟测结果表明:感官上水色为暗灰色或灰白色,较少有异味发生;A值最低为6.35,平均值为15.38,最高●值达19.99;藻类生物量较高,叶绿素a含量平均达到250.95rag/m3:TP平均值高达5.07rag/L:DO除8月的一次数值为O.6mg/L,其余皆为检测下限嘶g/L;透明度低,平均值仅为13cm;氧化还原电势平均为.137.9my,仅7月31日、8月16日、8月25日三次测量值为正值;硫化物含量较低,平均为3.38mg/L。总体看来治理效果较差,尚未消除黑臭。
好文档 - 专业文书写作范文服务资料分享网站