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针对凤县矿产资源开发中存在的具体问题,县环保局把水土保持、水源保护和尾矿库、坝复垦作为重点,通过制定方案,建章立制,强化执法,进一步加大矿山生态环境保护力度,与有关部门密切协作,投资近400万元,完成复垦面积400余亩,并建起草坪、鱼池、花坛,复垦耕地无偿交给矿区的村民耕种,采矿区修筑拦渣坝3000余米,有效防止了尾砂扬尘的二次污染 相似文献
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随着矿产资源开发的加剧,矿山环境日益恶化,对矿山企业及周边村民造成严重影响。联合工艺复垦可有效控制及减轻矿山环境带来的影响,及时恢复生态环境及矿区土地复垦,可取得良好的复垦经济效益、生态效益和社会效益。 相似文献
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刘井军 《中国环境管理干部学院学报》2008,18(1):18-21
磐石市矿山生态环境问题日益突出,主要是矿山"三废"排放污染生态环境,侵占土地和农田,严重影响了矿山经济的可持续发展.矿山生态环境恢复治理要坚持"在开发中保护,在保护中开发"和"谁开发,谁保护;谁污染,谁治理;谁破坏,谁恢复"的原则,多渠道增加复垦资金,建立监督管理新机制,依靠科技进步提高环境保护水平. 相似文献
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建国50年来,大规模的矿业开发活动给人们的生产和生活带来了一定的影响.到目前为止.国家对矿业开发过程中所产生的矿山尾矿和固体废料的总量、潜在经济价值及隐患、矿山土地破坏与复垦、地质灾害状况及经济损失、环境破坏及恢复治理等总的情况不明。此次调查工作,旨在摸清河北、山东、山西、甘肃4省基本情况,树立综合利用和治理典型,提出切实可行的治理方案,为制定相关政策、法规提供依据。 相似文献
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Trametes versicolor decolorized 2000 mg L(-1) of the mono-azo substituted naphthalenic dye Amaranth with no dye sorption observed visually. The changes in the toxicity were assessed over a period of 30 d for the dye-treated viable culture, control (no dye added), and a boiled culture treated with dye, using the Microtox Acute Toxicity assay. Before dye addition, the culture filtrate had some toxicity, which increased after the dye addition. The toxicity of the dye-treated culture decreased during the treatment. The loss of toxicity occurred at the same time, with the loss of color suggesting that detoxification is associated with decoloration. The change in pH was due to natural metabolic processes and had a small effect on detoxification. Because the toxicity of the treatment was similar to that of the control at the end of the treatment, the effluent seems to be safe for release into the environment, potentially rendering this treatment suitable for industrial application. 相似文献
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泵站树状给水管网流量具有随机性,而这种随机性变化会直接影响管网的建设费用和动力费用.针对这-特点,应用随机规划原理,建立泵站树状给水管网机会约束模型,编写基于随机模拟的遗传算法程序求解该模型.机会约束模型能较客观地反映该管网的实际工况,使优化设计结果更符合实际. 相似文献
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城镇化是推动我国经济社会发展的重要动力,在高速发展的同时,带来大量污染排放,威胁乡村环境质量与可持续发展。在对乡村生态环境问题剖析的基础上,从战略、实施、方式等层面探索解决思路,围绕科学规划、发展方式、基础建设、管理机制、宣传教育等方面分析关键点,加强乡村环境保护,保障城镇化建设健康发展,为促进农村农业持续发展提供持久动力。 相似文献
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Günay Kocasoy 《Environmental management》1989,13(4):469-475
The increase in the number of tourists visiting a coast is desired by most of the countries for economic reasons. However, this increase in tourism may cause pollution of the sea. This can be only avoided by proper planning and by predicting the carrying capacity of the coast in terms of sea pollution. This is especially important for developing countries where part of the wastewater is discharged without any treatment into the sea.In the present study the beaches were classified according to their use — and consequently the amount of waste discharged into the sea — into four groups: (1) coasts that are used only for swimming and recreational purposes; (2) coasts used simultaneously for dwelling, swimming, and recreational purposes; (3) coasts along which only dwellings exist; and (4) natural and man-made harbors, i.e., coasts used as shelters. During the survey,40,320 observations were made between December 1985 and February 1988 to determine the effect of the number of tourists on seawater quality. The results obtained were analyzed by a multilinear regression program to obtain an empirical equation giving the extent of the sea pollution in terms of coliform concentration as a function of population density and some other environmental factors.The equations derived in this study enable the determination of the carrying capacity of a beach in terms of pollution as well as the expected degree of pollution corresponding to a given population density. Furthermore, it allows the prediction of the extra carrying capacity that can be obtained by improving the waste-disposal conditions. 相似文献
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阐释了信息产业专门化街区的内涵,结合对合肥市黄山路信息产业专门化街区构成要素的分类及其邻近度的分析,分别从空间结构演化、景观演化、功能演化三方面阐述了合肥市黄山路由"电子一条街"向"信息产业专门化街区"的总体演化阶段,探讨了信息产业专门化街区的未来发展趋势。 相似文献
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燃煤二氧化硫控制技术应用概况 总被引:1,自引:0,他引:1
由燃煤引起的二氧化硫污染已成为大气环境中最主要的污染因子。为解决这个问题,我国结合国外的技术成果,进行了各种脱硫技术的研究。介绍了各种治理技术应用情况,并结合实际经验对其中应注意的问题给予评述。 相似文献