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在日本 ,二口恶口英控制已经成为污染治理的热点问题之一 ,自 1984年二口恶口英首次在垃圾焚化炉中被发现以来 ,日本已经在治理二口恶口英的污染方面采取了大量措施 ,我们在上几期的杂志中对其中的一些进行了大量报道 ,最近许多市民 ,尤其是那些居住在垃圾焚化炉附近的居民对二口恶口英对人体的影响日益关注 ,相应的《控制二口恶口英的特别办法》已于 1999年 7月 12日出台 ,实行该办法的目的在于防止并治理二口恶口英所造成的环境污染以保护公众健康 ,并建立起一套包括执行法律所需的基本标准 ,必要的规章制度以及治理被污染的土壤的对策在… 相似文献
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日本京都市的垃圾处理中心最近成功地进行了一项试验 ,用废弃的旧木材制成活性炭 ,然后用来去除垃圾处理过程之中的二口恶口英有毒物质。过去尽管已有活性炭去除二口恶口英的经验 ,但由于京都市的这一发明能够有效利用废木材 ,减少了木材的消耗 ,进而减少了二氧化碳的产生 ,所以引起了人们的关注。 试验是去年 10— 11月间进行的。试验人员将废木材制成的活性炭用来吸收在焚烧炉排出口排放出来的气体。结果 ,原来每立方米中含有 2 1— 2 8纳克 ( 1纳克相当于十亿分之一克 )的二口恶口英气体含量下降到 0 0 0 0 32纳克以下。活用废木材… 相似文献
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《中国环境管理干部学院学报》2020,(3)
基于2014年和2018年的高分遥感影像数据,提取了青岛市董家口经济区的土地利用类型信息,并运用土地利用转移矩阵对2014—2018年董家口经济区土地利用变化进行定量分析。结果表明:2014—2018年董家口经济区土地利用类型的数量变化以建设用地的增加及耕地和水域湿地的减少为主;在空间分布上,建设用地的增加主要集中在董家口港口区和整个经济区的道路建设上,这与董家口经济区的发展规划相吻合。总体来说,董家口经济区规划理念立足于可持续发展,生态环境保持良好。 相似文献
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西霞口,闻名遐迩的全国十佳小康村。西霞口位于中国版图的最东端,是胶东半岛上一个只有12平方公里的村庄。这块中国最东端的陆地深深地延伸入海,顶端叫成山头,被誉为“北方的天涯海角”。 相似文献
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国外电子垃圾处理政策及动态 总被引:2,自引:0,他引:2
目前,电子产品更新周期越来越短,世界各国每年被淘汰的 电脑、电视机等电子垃圾达到上千万吨,并且电子垃圾的成分复 杂,包含很多毒性较大的材料,其中最引人注目的是镉、汞、铅 等。大部分的电子垃圾在焚烧处理时生成的二(口恶)英成为大气、土 壤和浅层地下水的污染源,严重危害生命的健康。如何处理这些 废旧电子产品已摆在人们面前的重要课题。 相似文献
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钢铁行业铁矿石烧结和电弧炉炼钢是我国二噁英减排优先重点控制的行业之一。本文简要介绍了二噁英的危害性和烧结、电炉炼钢工艺二噁英的产生成因,并从清洁生产技术和污染治理技术两方面探讨二噁英的减排途径。 相似文献
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垃圾焚烧烟气中二恶英的形态及去除方法 总被引:1,自引:0,他引:1
本文对垃圾焚烧发电厂烟气中二恶英的形态、浓度分布及国内已投产并验收的企业的烟气排放数据进行了调查分析,并指出有效去除烟气中二恶英的措施有采用高效袋式除尘器和在袋式除尘器前喷加活性炭粉两种。 相似文献
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This article explores community-awareness perspectives and actions towards dioxin-related health exposure in Paritutu Community, New Plymouth, New Zealand. The actions are analysed through media reports, covering a 10-year period from 1998 to 2008. Since 1964, Paritutu Community residents have expressed concern about increased morbidity associated with dioxin contamination from a nearby agrichemical plant. Upon investigation, official agencies were at first unable to verify a causal link between dioxin and morbidity, precipitating community activism and increasing public pressure on relevant authorities. Residents played a major role in alleviating further damage to their community by analysing and evaluating data and providing information that ultimately resulted in both official recognition of their environmental health risk and preventative strategies to alleviate their morbidity. This article backgrounds the Paritutu Community Epidemiology approach and evaluates stages in how the Paritutu Community overcame indifference and lack of precaution and exerted influence leading to the removal of the source of contamination and positive policy changes in public health including the setting up of ameliorative health services for affected people. The findings of this research support theories of popular, lay, community and worker epidemiology. 相似文献
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依据生活垃圾循环流化床燃烧热电厂竣工环保验收及例行环保监测数据,提出了影响生活垃圾焚烧过程特征污染物排放的主要因素是炉温和燃烧过程的喷钙与脱氯,建议增加炉温在线监测为生活垃圾焚烧污染物排放的管理措施,在例行监测项目中增加粉煤灰钙含量监测,保证生活垃圾的完全燃烧、较高脱氯效率,降低二噁英的产生与排放。 相似文献
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利用双回路立式热解焚烧炉对某地区的城市生活垃圾进行试验研究,结果表明,焚烧炉的二燃室温度能够达到850℃,烟气停留时间超过2s,燃烧灰的热灼减率小于3%。在废气排放口测到的数据表明:常规烟气的各种有害气体成分含量均能满足标准的要求;二噁英的含量不仅满足我国标准的要求,也远远低于欧盟的标准限值。 相似文献
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The proximity principle—disposing of waste close to its origin—has been a central value in municipal solid waste (MSW) management
in Japan for the last 30 years and its widespread adoption has helped resolve numerous “Not in My Backyard” issues related
to MSW management. However, MSW management costs have soared, in large part because of aggressive recycling efforts and because
most MSW is incinerated in a country that has scarce landfill capacity. In addition, smaller, less sophisticated incinerators
have been closed because of high dioxin emissions. Rising costs combined with the closure of smaller incinerators have shifted
MSW management policy toward regionalization, which is the sharing of waste management facilities across municipalities. Despite
the increased use of regionalized MSW facilities, the proximity principle remains the central value in Japanese MSW management.
Municipal solid waste management has become increasingly regionalized in the United States, too, but different driving forces
are at work in these two countries. The transition to regionalized MSW management in Japan results from strong governmental
control at all levels, with the central government providing funds and policy direction and prefectures and municipalities
being the primary implementing authorities. By contrast, market forces are a much stronger force with US MSW management, where
local governments—with state government oversight—have primary responsibility for MSW management. We describe recent changes
in Japan’s MSW programs. We examine the connections between MSW facility regionalization, on the one hand, and, on the other
hand, the proximity principle, coordination among local governments, central government control, and financing mechanisms. 相似文献