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981.
目前没有针对规划项目的水环境影响评价的技术导则,化工规划项目具有建设内容复杂、建设范围大、建设周期长等特点,且不确定性强,产生污染物种类多、数量大,对周边区域的环境影响复杂.针对化工规划项目的水环境影响评价特点与评价要求,参考国内现有行业标准规范与水评价导则技术要求,文章通过案例应用对化工规划项目的水环境影响评价从规划方案水污染源强分析、水环境影响预测、水环境承载力的测算及环境减缓措施等方面给出具体说明与实施方法,为今后规划环境影响评价工作提供依据和技术参考. 相似文献
982.
983.
火电行业"十三五"主要大气污染物减排潜力情景分析研究 总被引:3,自引:0,他引:3
火电行业是总量减排的重点行业,也是主要大气污染物削减量的首要贡献者,其主要大气污染物排放量的削减抵消了其他行业的排放增长,为"十二五"全国减排任务的完成做出了重大贡献.本研究在火电行业主要大气污染物排放控制现状分析的基础上,结合火电行业技术政策措施要求,对火电行业"十三五"新增排放量进行了预测,并设置基于技术可行、排放标准以及超低排放三套减排情景,测算"十三五"减排潜力,评估火电行业"十三五"减排空间,对全国及各省火电行业减排形势提出了相应的意见和建议. 相似文献
984.
985.
通过对海南椰子生产现状的分析,本文指出了建立优质良种椰子种苗生产示范基地的必要性和重要性,并针对一些需要解决的问题,提出了加快海南椰子产业发展的建议。 相似文献
986.
SUMMARY The generation, handling, and safe disposal of waste materials has become a major concern in North America. Approval of facilities for waste processing and proper disposal is becoming more difficult to obtain. Furthermore, there is a growing public awareness of the importance of conserving and preserving our valuable natural resources. This expanding awareness has given rise to the trend towards recycling or reuse of awide variety of solid wastes. Experiences with using waste materials in highway construction can vary considerably, depending on material characteristics, construction processes, and climatic differences. A number of waste materials may be suitable for use in highway construction, but others may not. The objective of this paper is introduced in two tasks. The first is to include a survey of the waste materials and by-products that have been used successfully, or may be used, as materials for highway construction or maintenance work. This also includes determination of the state of practice concerning economic and technical factors for these wastes. The second is to rank these materials based on three criteria: number of uses by State agencies, economic uses and performance aspects. 相似文献
987.
Jiangwei WangSuqin Li Guohong Xiong Daqiang Cang 《Resources, Conservation and Recycling》2011,55(8):755-759
To improve the efficiency of water use and reuse, a digitalized water network system was implemented in a steel industrial complex. The system consisted of four parts: online instrument and sensing devices, programmable logic controller, data communication network and control center based on expert knowledge. The system achieved real-time monitoring, diagnosis, and early warning of cooling water system using data collected inline, and enabled data connectivity and transmission of self-developed software applications on personal computer. This research used a steel enterprise as a case study. After the analysis of its cooling water system and water-saving potential using water balance test, a digitalized water network was evaluated and implemented, and we believe this network can be suitable for steel industry in general. 相似文献
988.
Helge Lorenz Peter Fischer Britt Schumacher Philipp Adler 《Waste management (New York, N.Y.)》2013,33(11):2434-2448
Anaerobic digestion of organic waste generated by households, businesses, agriculture, and industry is an important approach as method of waste treatment – especially with regard to its potential as an alternative energy source and its cost-effectiveness. Separate collection of biowaste from households or vegetal waste from public green spaces is already established in some EU-27 countries. The material recovery in composting plants is common for biowaste and vegetal waste. Brewery waste fractions generated by beer production are often used for animal feeding after a suitable preparation. Waste streams from paper industry generated by pulp and paper production such as black liquor or paper sludge are often highly contaminated with toxic substances. Recovery of chemicals and the use in thermal processes like incineration, pyrolysis, and gasification are typical utilization paths. The current utilization of organic waste from households and institutions (without agricultural waste) was investigated for EU-27 countries with Germany as an in-depth example. Besides of biowaste little is known about the suitability of waste streams from brewery and paper industry for anaerobic digestion. Therefore, an evaluation of the most important biogas process parameters for different substrates was carried out, in order to calculate the biogas utilization potential of these waste quantities. Furthermore, a calculation of biogas energy potentials was carried out for defined waste fractions which are most suitable for anaerobic digestion. Up to 1% of the primary energy demand can be covered by the calculated total biogas energy potential. By using a “best-practice-scenario” for separately collected biowaste, the coverage of primary energy demand may be increased above 2% for several countries. By using sector-specific waste streams, for example the German paper industry could cover up to 4.7% and the German brewery industry up to 71.2% of its total energy demand. 相似文献
989.
循环经济在养猪业污染及生态修复中的应用 总被引:6,自引:0,他引:6
循环经济在发达国家已取得成功经验,我国则更多地停留在概念层次上.简要介绍福建省规模化养猪场带来的环境污染问题以及造成污染的生产结构原因,并以循环经济理念提出目前可行的生态修复防治与利用措施,它是利用生态系统原理,在大的范围内组织和实施的一项生态工程,系统中物流、能流、经营、组织、管理和所渗透的技术上更加高效,是当前和将来养猪业污染综合治理的重要途径之一,实践了生态的闭合循环,具有很大发展潜力. 相似文献
990.
政府须采取有效政策措施促进环保产业发展 总被引:4,自引:0,他引:4
本文提出我国是一个发展中国家,环保产业发展滞后,政府应采取有效措施,在促进环保产业发展中发挥积极作用,提高我国环保产业的国际竞争力,促进环保产业的发展。 相似文献