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SO2排放指标分配方法研究及在我国的实践 总被引:11,自引:3,他引:8
SO2排放指标的合理分配是实施总量控制、排污许可证制度和排污权交易的重要基础.通过对环境质量反演法、历史数据法、排放绩效法和拍卖法等排污指标分配方法优缺点和适用条件的研究,得出基于排放绩效的分配方法较为适用于电力行业,并在江苏省电力行业中进行了成功实践. 相似文献
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区域水污染物排放总量分配方法研究 总被引:8,自引:1,他引:8
污染物允许排放总量分配是水污染总量控制的重要内容 ,分配的合理与否将会直接影响到水污染控制工作的成效。本研究基于经济、社会和环境系统诸要素影响 ,设计了一种定性与定量相结合描述判断矩阵的多指标决策的层次分析法来进行排污总量分摊问题的研究。结果表明 ,该方法既克服了等比例分配方法的不公平性 ,又兼顾了各分区间的差异 相似文献
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陆地和海洋是相互影响、相互制约的生态系统,海洋水污染物总量控制目标的实现取决于陆域排污情况,而陆域排污分配要充分考虑其对海洋环境的影响。本文从"海陆统筹"的环境管理角度,基于公平原则,充分考虑海域和陆域之间的相互影响及分配区域的现状情况,给出了"海域-流域-行政区"链条式的水污染物总量控制思路和"初次分配-公平性评估-优化调整再分配"的水污染物总量分配方法。分配过程采用了层次分析法、熵值法、基尼系数法等经典的公平方法,并在辽东湾-辽河流域COD总量分配中予以应用,可为有效治理海洋环境污染问题提供借鉴。 相似文献
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无顺市水污染物总量分配探讨 总被引:1,自引:0,他引:1
根据抚顺市地表水系和水域功能区划的分布情况,采用了定额达标分配、治理费用最小,及按现有排污总量进行达标分配的方法对水污染物进行总量分配,从而对减少污染物排放,控制水体污染提供了技术支持。 相似文献
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基于基尼系数的湖泊流域分区水污染物总量分配 总被引:12,自引:2,他引:10
从经济、社会和环境系统整体效益出发,将环境基尼系数应用于总量控制分配中,分别以人口和工业增加值等作为湖泊流域内基尼系数分配的指标,建立了一种定性与定量相结合描述湖泊流域分区水污染物排放总量分配的层次结构模型.该模型综合考虑了各项评价指标,以区域允许排污总量为基础,依据环境基尼系数调整各分区允许排污量的权重比,并依此比例在各分区间进行排污总量分配.同时,以汤逊湖流域为例,根据流域内经济、社会和环境系统的实际特点,以工业增加值为主要限制指标,调整分配方案,计算出该流域水污染物排放总量的分配结果.结果表明,本研究提出的分配方法,克服了等比例分配的不公平性,同时又兼顾了各分区间的实际差异,是一种较好的分配方法. 相似文献
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目前中国一些地区正在试点探索实施区域性排污交易项目。美国是世界上最早将排污交易理论付诸实践的国家,作为该国最早的区域性大气污染物排污交易计划之一,加州"区域清洁空气激励市场"项目自1994年开始运行。这一排污交易项目不仅实现了氮氧化物与硫氧化物减排目标,而且形成了相对健全的排污交易规则。"区域清洁空气激励市场"的总量控制机制、初始分配和交易规则与排污交易市场运行经验,对中国地方性排污交易项目设计具有重要的借鉴意义。 相似文献
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嫩江水污染物排放总量分配方法研究 总被引:5,自引:0,他引:5
本文针对嫩江沿岸采用氧化塘处理污水和特点,为充分合理利用水环境容量,以流域总量控制的原则为指导,建立了水污染物总量分配模型,预测不同流量和不同排污情况下的水质,确定不同流量下给定水质目标的临界距离和允许排污量。 相似文献
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Hong Guo Kwanho Jeong Jiyeon Lim Jeongwon Jo Young Mo Kim Jong-pyo Park Joon Ha Kim Kyung Hwa Cho 《环境科学学报(英文版)》2015
Of growing amount of food waste, the integrated food waste and waste water treatment was regarded as one of the efficient modeling method. However, the load of food waste to the conventional waste treatment process might lead to the high concentration of total nitrogen (T-N) impact on the effluent water quality. The objective of this study is to establish two machine learning models—artificial neural networks (ANNs) and support vector machines (SVMs), in order to predict 1-day interval T-N concentration of effluent from a wastewater treatment plant in Ulsan, Korea. Daily water quality data and meteorological data were used and the performance of both models was evaluated in terms of the coefficient of determination (R2), Nash–Sutcliff efficiency (NSE), relative efficiency criteria (drel). Additionally, Latin-Hypercube one-factor-at-a-time (LH-OAT) and a pattern search algorithm were applied to sensitivity analysis and model parameter optimization, respectively. Results showed that both models could be effectively applied to the 1-day interval prediction of T-N concentration of effluent. SVM model showed a higher prediction accuracy in the training stage and similar result in the validation stage. However, the sensitivity analysis demonstrated that the ANN model was a superior model for 1-day interval T-N concentration prediction in terms of the cause-and-effect relationship between T-N concentration and modeling input values to integrated food waste and waste water treatment. This study suggested the efficient and robust nonlinear time-series modeling method for an early prediction of the water quality of integrated food waste and waste water treatment process. 相似文献
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Hong Guo Kwanho Jeong Jiyeon Lim Jeongwon Jo Young Mo Kim Jong-pyo Park Joon Ha Kim Kyung Hwa Cho 《环境科学学报(英文版)》2015,27(6):90-101
Of growing amount of food waste, the integrated food waste and waste water treatment was regarded as one of the efficient modeling method. However, the load of food waste to the conventional waste treatment process might lead to the high concentration of total nitrogen(T-N) impact on the effluent water quality. The objective of this study is to establish two machine learning models—artificial neural networks(ANNs) and support vector machines(SVMs), in order to predict 1-day interval T-N concentration of effluent from a wastewater treatment plant in Ulsan, Korea. Daily water quality data and meteorological data were used and the performance of both models was evaluated in terms of the coefficient of determination(R~2), Nash–Sutcliff efficiency(NSE), relative efficiency criteria(d rel). Additionally, Latin-Hypercube one-factor-at-a-time(LH-OAT) and a pattern search algorithm were applied to sensitivity analysis and model parameter optimization, respectively. Results showed that both models could be effectively applied to the 1-day interval prediction of T-N concentration of effluent. SVM model showed a higher prediction accuracy in the training stage and similar result in the validation stage.However, the sensitivity analysis demonstrated that the ANN model was a superior model for 1-day interval T-N concentration prediction in terms of the cause-and-effect relationship between T-N concentration and modeling input values to integrated food waste and waste water treatment. This study suggested the efficient and robust nonlinear time-series modeling method for an early prediction of the water quality of integrated food waste and waste water treatment process. 相似文献
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Naoko NAKAGAWA Masahiro OTAKI Shinji MIURA Hironobu HAMASUNA Katsuyoshi ISHIZAKI 《环境科学学报(英文版)》2006,18(6):1088-1093
Sustainable sanitation is an approach for more ecological and sustainable water resources management. In this paper, we proposed one of the new integrated waste treatment systems: an "sustainable sanitation system" that includes separation of the black water from water system by a non-flushing toilet (bio-toilet), and a gray water treatment based on a biological and ecological concept. Sustainable sanitation system also converts the domestic waste to soil conditioners and fertilizers, for farmland use. As one of the case studies, Environmentally Symbiotic Housing in which people actually live using the bio-toilet for the black water treatment and the household wastewater treatment facility for the gray water was introduced. The availability of this system was investigated by analyzing the sawdust used in the bio-toilet and the quality of the effluent in the household wastewater treatment facility. As the result, the water content of the sawdust did not exceed 60% in any of the sampling points and the BOD and COD of the effluent of the household wastewater treatment facility were below 10 and 20 mg/L respectively, due to the low loading. Compared to the pollution load on the water environment created by the conventional system, it was found that the effluent of the house has a lower load than the tertiary treatment and the volume of the water consumption is 75% of the conventional system. 相似文献
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累积流量模型在河流水质管理规划中的应用 总被引:1,自引:1,他引:0
借助混合率与保存率的概念,将累积流量模型应用到河流水质管理规划中,提出了一个新的可考虑向扩影响的规划模型,并将水质管理目标定在取水口水质达标上。 相似文献
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基于水质目标管理的河流治理方案制定方法及其案例研究 总被引:6,自引:0,他引:6
针对我国河流污染程度高,污染类型复杂的现状,实施水质目标管理是河流治理的根本选择.我国在水污染总量控制的研究起步比较早,但缺少基于水质目标的治理方案编制方法的系统性研究.本文提出了适合于我国国情的基于水质目标的河流治理方案制定方法,基本框架包括水质问题诊断、目标确定与负荷分配、河流治理任务实施和实施效果评估4个基本部分.该方法以河流容量总量控制为基础,突破了传统了目标总量控制方式,并在滏阳河邢台段进行了实际应用.水环境诊断结果显示,氨氮是滏阳河邢台段主要超标污染物.以国控及省控断面为基础,在滏阳河邢台段设定了4个考核断面,设置氨氮小于10、11、12 mg·L-1,COD小于80、55、50 mg·L-1等多个组合目标情景.划定控制单元13个,核算了各控制单元水环境容量和现状负荷,并按等比例分配的原则将需削减负荷分配到排污口.基于负荷分配结果,提出通过重点工业企业和污水处理场治理控制点源污染,通过农村生活污水治理控制面源污染,通过河岸垃圾治理减少河道负荷存量,通过河流湿地建设增加负荷去除能力等一系列治理措施. 相似文献
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湖泊水库水体氮、磷允许纳污量定量研究 总被引:13,自引:0,他引:13
在充分考虑湖库水体污染物实际自净能力、并分析其出流污染物浓度分布规律的基础上,根据风险分析理论和Monte Carlo模拟方法,提出了湖库水体氮、磷允许纳污量计算方法,指出:在满足湖库水体污染物浓度达标率90%以上的条件下,所对应的水体污染物降解量才是湖泊水库水体氮、磷允许纳污量.通过实际算例对水库总氮、总磷允许纳污量的计算,说明了所提出的计算方法的适用性. 相似文献