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81.
焚烧炉及周围环境样品中多氯联苯的监测分析   总被引:3,自引:0,他引:3  
对焚烧炉禁烧处理多氯联苯的效果及其周围环境样品中的多氯联苯进行了监测分析,建立了不同基体中PCBs高效毛细管色谱/质谱,气相色谱/电子捕获鉴定器检测的常规方法,燕根据对炉渣、尾气及环境样品的分析结果,认为多氯联苯的焚烧处理达到设计要求。  相似文献   
82.
“三泥”处理现状   总被引:24,自引:0,他引:24  
国内石化“三泥”处理现状及其存在的问题和发展趋势。  相似文献   
83.
危险废物集中焚烧处置是我国危险废物处置的最主要和最直接的方式之一。性能测试是检验危险废物焚烧处置设施能否达到正式运行要求的第一步,是保障焚烧处置设施安全稳定运行的必要手段,是颁发危险废物经营许可证的技术支撑。本文从标准废物选择及配置、性能测试指标体系建立、性能测试条件确定、性能测试监测技术研究、性能测试报告编制等方面开展适合我国国情的性能测试技术研究。  相似文献   
84.
通过对美国危险废物焚烧处置单元许可管理内容的分析研究,介绍了美国基于试烧结果如何开发危险废物焚烧单元的最终许可证条件。并结合我国目前危险废物处置管理的许可情况加以说明,从而获得更多信息,为国内环境管理机构编制许可提供参考依据和良好借鉴。  相似文献   
85.
Antimony volatilization in municipal waste incineration was studied. Two municipal waste samples and antimony(III) oxide (Sb4O6) were heated to 500°C and 700°C in an air stream in a quartz furnace. The volatilization of Sb4O6 occurred more at 700°C that at 500°C. Conversely, antimony volatilization form municipal waste was stronger at 500°C than at 700°C. This implies that antimony from municipal waste is volatilized as chloride instead of oxide. The chlorine sources for antimony chlorination, a gas-phase reaction involving hydrochloric acid and a solid-phase reaction of inorganic chlorine, e.g., CaCl2, were compared. Only the solid-phase reaction could offer enough active chlorine to induce chlorination of antimony oxide. Received: July 2, 1998 / Accepted: January 28, 1999  相似文献   
86.
固体废物焚烧处理中的二■■排放   总被引:32,自引:1,他引:31       下载免费PDF全文
在总结近年来环境二■■的研究成果的基础上,概括地介绍了二■■的来源和毒性,着重分析了面体废物焚烧处理过程中二■■的生成和排放机制,提出了具体的控制措施,并指出在加强管理和采取对策的条件下,固体废物的焚烧不会成为环境二■■的重要来湎。   相似文献   
87.
危险废物集中焚烧处置是我国危险废物处置的最主要和最直接的方式之一。本文结合我国目前危险废物集中焚烧处置设施建设和设计现状 ,以及我国危险废物处置设施建设规划 ,在对危险废物集中焚烧处置设施设计所涉及的关键技术环节进行分析的基础上 ,提出了相应的设计技术要求  相似文献   
88.
As one of the countries with large amounts of dioxin releases, the control of dioxins is a major challenge for China. Municipal solid waste (MSW) incineration should be considered a high priority source of dioxin emissions because it is playing an increasingly more important role in waste management. MSW incineration in China has much higher emission rates of dioxins than in the developed countries, partially resulting from the gaps in the technologies of incineration and flue gas cleaning. Moreover, the current management policies and practices also contribute significantly to the problem. We recommend lowering dioxin emission standard, strengthening fly ash management, and improving regulation enforcement to reduce dioxin releases into the environment from MSW incineration. We also propose that alternative strategies should be considered on dioxin control and call for an expansion of economic instruments in waste management to reduce waste generation and thus the need for incineration.  相似文献   
89.
This paper reviews current biosolids management options, and identifies incineration as a promising technology. Incineration is attractive both for volume reduction and energy recovery. Reported emissions from the incineration of biosolids were compared to various regulations to identify the challenges and future direction of biosolids incineration research. Most of the gaseous and metal emissions were lower than existing regulations, or could be met by existing technologies. This paper also presents the results of an experimental study to investigate the potential use of biosolids for co-incineration with wood pellets in a conventional wood pellet stove. Pilot scale combustion tests revealed that co-incineration of 10% biosolids with 90% premium grade wood pellets resulted in successful combustion without any significant degradation of efficiency and emissions.  相似文献   
90.
Hazardous waste incinerators (HWIs) differ substantially from thermal power facilities, since instead of maximizing energy production with the minimum amount of fuel, they aim at maximizing throughput. Variations in quantity or composition of received waste loads may significantly diminish HWI throughput (the decisive profit factor), from its nominal design value. A novel formulation of combustion balance is presented, based on linear operators, which isolates the wastefeed vector from the invariant combustion stoichiometry kernel. Explicit expressions for the throughput are obtained, in terms of incinerator temperature, fluegas heat recuperation ratio and design parameters, for an arbitrary number of wastes, based on fundamental principles (mass and enthalpy balances). The impact of waste variations, of recuperation ratio and of furnace temperature is explicitly determined. It is shown that in the presence of waste uncertainty, the throughput may be a decreasing or increasing function of incinerator temperature and recuperation ratio, depending on the sign of a dimensionless parameter related only to the uncertain wastes. The dimensionless parameter is proposed as a sharp a’ priori waste ‘fingerprint’, determining the necessary increase or decrease of manipulated variables (recuperation ratio, excess air, auxiliary fuel feed rate, auxiliary air flow) in order to balance the HWI and maximize throughput under uncertainty in received wastes. A 10-step procedure is proposed for direct application subject to process capacity constraints. The results may be useful for efficient HWI operation and for preparing hazardous waste blends.  相似文献   
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