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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>defgf10aj</b></span></td> <td class="row1" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/Elveron/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Sob 17:09, 06 Lis 2010<span class="gen"> </span> Temat postu: GHD gl&#228;tteisen g&#252;nstig Smelting of nonferr</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Smelting of nonferrous heavy metal pollution <br /> <br /> <br />Volume of 393 tons,<a href="http://www.ghdglaetteisen-guenstig.com" target="_blank" class="postlink">GHD glätteisen günstig</a>, more than 137 tons of coal mercury emissions. Atmospheric mercury emissions in non-coal, 84% came from non-ferrous metal smelting, including zinc smelting, lead smelting, copper smelting and refining of gold, respectively, of the total emissions of 51%, l8%, 4% and l1%. The basis of mercury pollution prevention and control of relatively weak, while the mercury is imminent negotiation of the Convention for the prevention and control of mercury pollution pose serious challenges. 2. Non-ferrous industry, the main problem of mercury pollution. Identified in the UNEP mercury releases reduced environmental risks in the seven priority areas for action to limit supply and reduce anthropogenic mercury emissions of mercury are the two most important areas, is also closely related with the non-ferrous smelting of mercury involved in the field. Limit the supply of mercury, including mercury mining and by-products of native mercury supply. Whether it is global, the Asian region, or domestic circumstances, non-ferrous metal smelting are a great source of mercury emissions. Mercury emissions are mainly originated from the impurities of mercury ore extraction and processing of primary metals. In the UNEP \lead, zinc, copper, aluminum and other non-ferrous metal extraction and primary processing. In the non-ferrous metal smelting production process, mercury is associated with many impurities in raw ore, with the dwindling resources of low-mercury,<a href="http://www.uggsbotas.com" target="_blank" class="postlink">ugg botas</a>, turning high-mercury mining. In the non-ferrous metal smelting process, or into steam volatile impurities in mercury, or mercury recycling into products, or with sulfur dioxide gas into sulfuric acid process to enter the by-product sulfuric acid. To lead and zinc industry as an example: the main raw material of lead smelting of lead concentrate, lead concentrate in addition to containing the main metals of lead, zinc and sulfur, and other major components, but also contains copper, cadmium, silver, bismuth, tin, antimony, indium, mercury and other elements. The main raw material of zinc smelting of zinc concentrates. In the smelting process, in addition to extract the zinc and sulfur, can also recycle copper, lead, cadmium, indium, germanium, gallium, platinum, mercury, silver and other metals. According to the EU, Switzerland and Norway and other European countries (hereinafter referred to as EU27 +2 countries) estimates, non-ferrous metal processing industry in 2006 from the recovery of mercury is estimated that about 40 to 60 tons, from the flue gas purification catalyst or recovery of mercury waste sludge about 25 to 30 tons, a total of about 65 to 90 tons of mercury from the product recovery. EU27 +2 countries each year from non-ferrous metal ore smelting recovery of about 300 to 370 tons of mercury currently in China on the non-ferrous metal smelting and recycling industry, mercury emissions data are lacking. UNEP excess mercury in the assessment report on the Asian (AssessmentofcxcessmercuryinAsia, 2010 ~ 2050), through literature research data in a preliminary assessment of mercury and its ore production capacity, the amount of mercury recovery of zinc industry to conduct a preliminary assessment, based thereon, assessing 2015 , 2025 and 2030 mercury recovery of zinc smelting industry were about 203 tons, 309 tons and 363 tons. We can see from the above, either from the domestic environment and health and safety, or the positive response to mercury, lead, cadmium and other heavy metals typical of the current grim international situation, the urgent need to find out the typical metal production, use, emissions and pollution. In summary, non-ferrous metal smelting industry heavy metal pollution in China is quite conspicuous, non-ferrous mineral raw materials more associated elements, but the low recovery rate of associated elements; in heavy metal resources, mining and smelting process, a large amount of solid waste materials, wastewater and waste gas, and low utilization of waste resources; not only a waste of resources and serious environmental pollution. Domestic pollution situation is not optimistic, as the mercury starts negotiation of the Convention, lead, cadmium into the international agenda, heavy metal pollution prevention and control of international pressure surge, the urgent need to take response measures. Measures should be thoroughly investigated systematically as soon as possible, to find out mercury, lead, cadmium and other heavy metals typical of the production, use, emissions and environmental management status. Enhanced source management, supply reduction. Limit mercury, lead, cadmium and other import and export; to encourage non-ferrous metal smelting industry of mercury,<a href="http://www.uggbootssaler.org" target="_blank" class="postlink">ugg boots sale</a>, lead, cadmium and other heavy metals recycling, reduce the ore mining and smelting. Strengthen research and development, and actively promote alternative products and processes in the development and application of assessment; limit or phase out mercury, lead, cadmium and other heavy metals technology or products; encourage the promotion of low / no mercury, lead,<a href="http://www.uggs-ireland.com" target="_blank" class="postlink">uggs ireland</a>, cadmium development and use of alternative products. Strengthen management system construction. Directory from industries such as industrial restructuring policies,<a href="http://www.uggsstiefel.org" target="_blank" class="postlink">ugg stiefel</a>, heavy metal pollution taxes and economic policy, environmental standards and regulatory standards and other human environmental policy and other policy level, multi-pronged, synergistic increase the overall level of heavy metal pollution. Yue (Author: China Environmental Science Research Institute) 2009 19 63 Chinese non-ferrous metals <br /> More articles related to topics： <br /> <br /> <br /> <a href="http://www.freeforum.sg/viewtopic.php?f=7&t=278" target="_blank" class="postlink">ugg boots ireland Mine Exploration _264 spare part</a> <br /> <br /> <a href="http://www.krainy.fora.pl/las-w-cieniu-gor,16/ugg-stiefel-loft-beds-and-dorm-decorating-tips_345,4708.html#33098" target="_blank" class="postlink">ugg stiefel Loft Beds And Dorm Decorating Tips_345</a> <br /> <br /> <a href="http://www.forum.ronaldinho.com.pl/viewtopic.php?p=29615#29615" target="_blank" class="postlink">uggs ireland Gift Idea Help - Gift Ideas Unique an</a></span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/Elveron/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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