生活垃圾填埋场稳定化过程与渗滤液处理技术课件.pptx
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- 生活 垃圾 填埋场 稳定 过程 渗滤 处理 技术 课件
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1、1 填埋场稳定化过程及其示范工程填埋场稳定化过程及其示范工程 2 可持续的生活垃圾填埋技术可持续的生活垃圾填埋技术填埋场稳定化与矿化垃圾开采利用填埋场稳定化与矿化垃圾开采利用:n填埋场是一座巨大的生物反应器填埋场是一座巨大的生物反应器n填埋是一种生活垃圾资源化的处理技术填埋是一种生活垃圾资源化的处理技术n填埋技术是可持续的填埋技术是可持续的3 1 上海老港填埋场稳定化过程上海老港填埋场稳定化过程 全国最早建设的填埋场全国最早建设的填埋场全国最大的填埋场全国最大的填埋场全国填埋单元最多的填埋场全国填埋单元最多的填埋场非常适合进行填埋场稳定化研究的填埋场非常适合进行填埋场稳定化研究的填埋场南方典型
2、填埋场南方典型填埋场4湿三 期 工 程 已 建 围 堤七九塘距老港镇2km填埋场内堤1#码头港 池区区进场道路区生活北活生区南5号桥2#码头港 池三 期 工 程 已 建 围 堤(12)填埋场南堤地苇芦(13)填埋场面积填埋场面积Landfill areaN21849separated into many landfill cell compartments by the clay dug in site, with 10 hectares for each compartment, filling height is 4m. 7600 tons of refuse, 75% 56Road#A#
3、1 #5 #6 #BRoad 50 m#4 #C #7#3 #2 60 m 监测点的位置 Figure 1Sampling( )and leveling ( )pointsat the large scale field lysimeter 7Figure Monitoring of settlement of refusesurface at the landfill00.20.40.60.811.20200400600800100012001400Refuse age (days)Cumulative Settlememt (m)#1#2#3#4#5#6#78 Table 4 The ma
4、thematical simulation formulae for the settlement Monitoring points Simulation formulae #1 L = 0.156031 x t 0.183499 L: m; t: days #2 L = 0.133853 x t 0.275453 L: m; t : days #4 L = 0.384430 x t 0.121948 L: m; t : days #7 L = 0.439052 x t 0.123229 L: m; t : days 9Figure Long-term prediction of settl
5、ement ofrefuse surface at the 4 monitoring points at theexperimental landfill unit00.511.522.50100020003000400050006000Refuse age (days)Cumulative settlement (m)#1#2#4#7Initial Height of Refuse: 4 m10 Figure Monitoring ofrefuse composition at #A sampling siteat the experimental landfill unit05101520
6、25020040060080010001200Refuse age (days)% (weight)BDMOCCelluloseVSSugar (x100)11 生活垃圾生活垃圾组成组成与与填埋时间填埋时间的的关系关系 Contents of refuse components (% in mass) Simulation formulas Correlation efficiencies r Total sugar 0.09142 x 0.999743 t 0.8379 Organic carbon 9.66102 x 0.999951 t 0.6254 Volatile solid 20.
7、867 x 0.999931 t 0.6254 Raw cellulose 13.4552 x 0.999931 t 0.8731 Biodegradable matter 13.0276 x 0.999814 t 0.6875 12Table 3 Contents of refuse components in the landfill units closed on 12 April 1991, 1992, 1993 and 1994 respectivelyContents of refuse components (% in mass)BDMOCCelluloseVSSugarDate
8、 for samplingRefuse age (days)Landfill unit closed on 12 April 199412 Mar. 1997106210.0310.814.922.970.00730 Apr. 199711118.017.269.6515.440.02719 June 199711609.317.7112.4916.410.01912 Dec. 1997133911.239.171419.510.0520 Feb.199813949.648.8813.4618.90.07225 Apr. 199814705.735.5910.4311.90.042 Landf
9、ill unit closed on 12 April 199312 Mar. 199714277.929.5914.3620.40.01730 Apr. 199714749.4310.1114.5421.50.02419 June 1997152510.2311.113.1623.620.05212 Dec. 1997170410.279.6513.7720.540.03920 Feb.199817599.178.6813.118.470.06225 Apr. 199817927.969.8714.19210.068 Landfill unit closed on 12 April 1992
10、12 Mar. 199718358.448.4212.6317.920.0330 Apr. 199718398.918.9112.218.960.06219 June 199718907.759.5814.2220.380.02712 Dec. 199720699.589.4812.8120.160.02620 Feb.199821249.178.7513.5618.620.03225 Apr. 199821577.759.3914.1519.970.023 Landfill unit closed on 12 April 199112 Mar. 199722005.878.1511.7717
11、.340.03130 Apr. 199722046.677.5512.0616.060.0219 June 199722556.239.4415.1820.080.04112 Dec. 199724347.598.9212.7318.970.02420 Feb.1998248910.088.5712.9918.230.09425 Apr. 199825657.097.3211.715.580.03313 Figure Long-term predictions of refusecomposition and their comparison with themonitoring values
12、 of closed landfill units05101520251000150020002500Refuse age (days)% (Weight)BDMOCCelluloseVSSugar(x100)BDM(predicted)OC(predicted)Cellulose(predicted)VS(predicted)SUGAR(predicted)14 Figure Relationship between COD, BOD and Cl ionconcentrations of leachate (mg/L) and the refuse age(days)05000100001
13、50002000025000300003500040000450005000055000600000200400600800100012001400 Refuse age (days)Concentrations of COD, BODand Cl ion (mg/L)BODCl- COD15Figure Relationship pH ofleachate and the refuse age (days)55.566.577.588.590200400600800100012001400Refuse age(days)pH16 Figure Relationship between NH3
14、-N concentrations(mg/L) in leachate and the refuse age (days)05001000150020002500300035004000450050000200400600800100012001400Refuse age (days)NH3-N (mg/l)17 Table 1 Summary of mathematical simulation for Cl-, turbidity, NH3-N, COD, BOD Parameters Mathematical simulation formula Range of refuse age,
15、 t (days) Correlation coefficients, r Cl- (mg/L) Cl- = 3132.90 x 0.99987 t T 184 0.8328 Turbidity T = 490.87 x 0.999358 t T 410 0.9995 NH3-N (mg/L) NH3-N = 824.03 x 0.999528 t T 500 0.8886 COD (mg/L) COD = 9104.88 x 0.99844 t COD = 1340.00 x 0.99936 t-A 145 t 1227 0.9665 0.9712 BOD (mg/L) BOD = 2441
16、.46 x 0.998479 t BOD = 490.00 x 0.99913 t-A 145 t 1227 0.9521 0.9348 Mathematical simulation equations between concentrations in leachate and age of refuse18Figure 4 Long-term prediction of leachateconcentrations0100020003000400050006000700080000510152025Refuse age (years)Leachate concentrations (mg
17、/Lor degree)CODBODClTurbidityNH3-N19污染控制与资源化国家重点实验室污染控制与资源化国家重点实验室填埋场渗滤液性质演化过程填埋场渗滤液性质演化过程Natural Attenuation Process of Leachate at a Closed Landfill 20湿三 期 工 程 已 建 围 堤七九塘距老港镇2km填埋场内堤1#码头港 池区区进场道路区生活北活生区南5号桥2#码头港 池三 期 工 程 已 建 围 堤(12)填埋场南堤地苇芦(13)填埋场面积填埋场面积Landfill areaN21849separated into many landf
18、ill cell compartments by the clay dug in site, with 10 hectares for each compartment, filling height is 4m. 7600 tons of refuse, 75% 21 填埋单元填埋单元垃圾年份垃圾年份填埋时间填埋时间(a)填埋单元填埋单元垃圾年份垃圾年份填埋时间填埋时间(a)161991年年14231998年年7321992年年13101999年年6311993年年12202000年年5401994年年11542001年年4281995年年10192002年年3121996年年9492003
19、年年2111997年年8作业现场作业现场2005年年新鲜渗滤液新鲜渗滤液表表1 填埋单元与垃圾年份的对应关系填埋单元与垃圾年份的对应关系Table 1 the cell compartments and corresponding refuse with different time 22垃圾母体垃圾母体工艺发展工艺发展渗滤液渗滤液DOM组分组分金金 属属 基本性质基本性质膜分离膜分离重金属重金属常规金属常规金属亲疏水分离亲疏水分离溶解性物质溶解性物质金金 属属 基本性质基本性质膜分离膜分离重金属重金属常规金属常规金属上游上游演化过程演化过程XOCs无机常量元素无机常量元素稳定化时间预测稳定化
20、时间预测23采样流程采样流程 Sampling Process冬季采样冬季采样进场地进场地 填埋单元原状填埋单元原状 挖掘挖掘采样采样去覆土去覆土 24垃圾预处理流程垃圾预处理流程 细料细料晾干晾干袋装袋装粗分粗分细分细分分类分类251. 渗滤液性质渗滤液性质C物质物质 010002000300040005000600070008000141312111098765432T/aCOD/(mg.L-1)02004006008001000120014001600NPOC/(mg.L-1)COD(mg/L)NPOC(mg/L)三级排放标准,约三级排放标准,约12aCOD: 54000 mg/L降到降
21、到7135 mg/L 020004000600080001000014 13 12 11 1098765432T/aMineral oil/mg.L-1填埋初期(填埋初期(4年)下降较多年)下降较多包括矿物油和动植物油包括矿物油和动植物油 26渗滤液渗滤液N、P物质物质 0500100015002000250030003500400045005000141312111098765432T/aN/(mg.L-1)NH3-NTN00.20.40.60.811.2141312111098765432T/aNH3-N/TNNH4+/TN: 97.3%降到降到 55.6% 2003年年 1993年年98
22、.2%降到降到30% 1998年:年: 34.9 mg/L10 mg/L27氨根形态分布氨根形态分布 比例比例/%不包括不包括DOM包括包括DOMNH4+NH4SO4-NH3(aq)NH4+NH4SO4-NH3(aq)1991a97.31.21.597.31.21.51992a97.31.61.197.31.61.11993a98.21.198.21.11994a98.398.31995a95.92.41.696.12.41.61996a97.81.297.81.21997a97.12.197.12.11998a98.498.41999a98.598.52000a96.81.2296.81.2
23、22001a97.91.297.91.22002a96.82.996.82.92003a95.11.13.695.31.13.628磷酸根形态磷酸根形态 比例比例/%HPO42-H2PO4-MgHPO4(aq)CaHPO4(aq)1991a86.311.621992a78.1174.61993a66.727.72.72.41994a72.420.86.31995a89.99.57.31.51996a91.67.71997a91.67.71998a75.521.231999a77.517.84.42000a91.97.52001a84.313.52.22002a94.25.42003a95.44
24、.329渗滤液稳定化阶段渗滤液稳定化阶段 第第阶段,从阶段,从2005年到年到2002年,快速降解期年,快速降解期第第阶段,从阶段,从2001年到年到1999年,转折期年,转折期第第阶段,从阶段,从1998年年1993年,相对平稳期年,相对平稳期生态学的生态学的PRIMER (Version 5.2)11个参数(个参数(NPOC、TN、矿物油、矿物油、COD、NH3-N、pH、 电导率电导率 、碱度、正磷酸盐、总磷、碱度、正磷酸盐、总磷 ) 30 年份年份纸类纸类塑料塑料竹木竹木布类布类厨余厨余金属金属玻璃玻璃渣土渣土1991a4.14.91.481.7980.810.613.72.61199
25、2a6.245.691.331.6579.140.813.531.511993a8.367.541.891.9772.890.724.741.91994a7.499.161.372.1373.320.5641.971995a6.511.211.472.1771.650.913.812.291996a6.6811.841.962.2670.30.684.062.231997a8.0511.781.442.2470.090.584.011.821998a8.7713.481.271.967.330.735.151.371999a9.2314.461.182.2165.210.845.362.212
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