{"id":3186,"date":"2020-11-24T09:03:39","date_gmt":"2020-11-24T08:03:39","guid":{"rendered":"https:\/\/www.iem.eu\/?p=3186"},"modified":"2022-10-28T12:39:19","modified_gmt":"2022-10-28T10:39:19","slug":"preparing-for-stricter-emissions-limit","status":"publish","type":"post","link":"https:\/\/www.iem.eu\/en\/preparing-for-stricter-emissions-limit","title":{"rendered":"Preparing for stricter emissions limit"},"content":{"rendered":"<div class=\"wpb-content-wrapper\">[vc_row][vc_column]\n\t\t\t\t<p class=\"rs-p-wp-fix\"><\/p>\n\t\t\t\t<sr7-module data-alias=\"slider-1\" data-id=\"24\" id=\"SR7_24_1\" class=\"rs-ov-hidden\" data-version=\"6.7.51\">\n\t\t\t\t\t<sr7-adjuster><\/sr7-adjuster>\n\t\t\t\t\t<sr7-content>\n\t\t\t\t\t\t<sr7-slide id=\"SR7_24_1-42\" data-key=\"42\">\n\t\t\t\t\t\t\t<sr7-bg id=\"SR7_24_1-42-3\" class=\"sr7-layer\"><noscript><img src=\"https:\/\/www.iem.eu\/wp-content\/uploads\/Quecksilberfrei-MEC1.png\" alt=\"Quecksilberfrei-MEC\" title=\"Quecksilberfrei-MEC\"><\/noscript><\/sr7-bg>\n\t\t\t\t\t\t\t<sr7-txt id=\"SR7_24_1-42-2\" class=\"sr7-layer\">Quecksilberfrei<\/sr7-txt>\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t\t<sr7-slide id=\"SR7_24_1-110\" data-key=\"110\">\n\t\t\t\t\t\t<\/sr7-slide>\n\t\t\t\t\t<\/sr7-content>\n\t\t\t\t\t<image_lists style=\"display:none\">\n\t\t\t\t\t\t<img data-src=\"\/\/www.iem.eu\/wp-content\/uploads\/Logo_MEC_MercuryEmissionControl_RGB_NEGATIV_50px.png\" data-libid=\"1045\" alt=\"Logo_MEC_MercuryEmissionControl\" title=\"Logo_MEC_MercuryEmissionControl\" width=\"0\" height=\"0\" data-dbsrc=\"Ly93d3cuaWVtLmV1L3dwLWNvbnRlbnQvdXBsb2Fkcy9Mb2dvX01FQ19NZXJjdXJ5RW1pc3Npb25Db250cm9sX1JHQl9ORUdBVElWXzUwcHgucG5n\"\/>\n\t\t\t\t\t\t<img data-src=\"\/\/www.iem.eu\/wp-content\/uploads\/Quecksilberfrei-MEC1.png\" data-libid=\"2895\" data-lib=\"medialibrary\" alt=\"Quecksilberfrei-MEC\" title=\"Quecksilberfrei-MEC\" width=\"0\" height=\"0\" data-dbsrc=\"Ly93d3cuaWVtLmV1L3dwLWNvbnRlbnQvdXBsb2Fkcy9RdWVja3NpbGJlcmZyZWktTUVDMS5wbmc=\"\/>\n\t\t\t\t\t<\/image_lists>\n\t\t\t\t<\/sr7-module>\n\t\t\t\t<script>\n\t\t\t\t\twindow.SR7 ??={};SR7.PMH ??={}; SR7.PMH[\"SR7_24_1\"] = {cn:100,state:false,fn: function() { if (window._tpt!==undefined && window._tpt.prepareModuleHeight !== undefined) {  _tpt.prepareModuleHeight({id:\"SR7_24_1\",el:[900,900,768,960,720],type:'hero',shdw:'0',gh:[900,900,743,565,349],gw:[1240,1240,1024,778,480],vpt:['-200px'],size:{fullWidth:true, fullHeight:true},fho:',',mh:'0',onh:0,onw:0,bg:{color:'{\"orig\":\"transparent\",\"type\":\"solid\",\"string\":\"transparent\"}'},plType:'0',plColor:'#FFFFFF'});   SR7.PMH[\"SR7_24_1\"].state=true;} else if(SR7.PMH[\"SR7_24_1\"].cn-->0)\tsetTimeout( SR7.PMH[\"SR7_24_1\"].fn,19);}};SR7.PMH[\"SR7_24_1\" ].fn();\n\t\t\t\t<\/script>\n<div class=\"vcex-spacing wpex-w-100 wpex-clear vc_column-inner\"><\/div><div class=\"vcex-module vcex-divider vcex-divider-dotted-line vcex-divider-center wpex-mx-auto wpex-max-w-100 wpex-block wpex-h-0 wpex-border-b-2 wpex-border-dotted wpex-border-main\" style=\"width:100%;margin-block-end:0px;border-color:#9da3a7;\"><\/div><div class=\"vcex-spacing wpex-w-100 wpex-clear vc_column-inner\"><\/div>[\/vc_column][\/vc_row][vc_section][vc_row][vc_column][vc_column_text]Since August 2018, stricter mercury emission limits (range 1-7 \u00b5g\/Nm\u00b3) are expected for coal combustion from the implementation of the BREF documents into German law.<\/p>\n<p>If the lower limits are pushed, this will be associated with capture rates of 80-95% at lignite-fired power plants, for example. Such a high reduction potential is not achieved by the usual processes (AK entrained flow process, halide addition to the furnace).<\/p>\n<p>Therefore, IEM F\u00f6rdertechnik GmbH in cooperation with Steinm\u00fcller Engineering GmbH has developed a solution approach for high separation efficiencies. The Hg-containing waste gas is treated in a narrow, modular filter system. The filter material is moved continuously (fluidized bed process) to avoid sooting and hot spots (fire hazard). Thanks to the low pressure drop of &lt;10 mbar across the bed, the technology is also suitable for retrofitting to existing plants. The specific selection of the materials used determines whether a separate Hg sink (adsorption mechanism) is created or the separation should take place, for example, in the downstream wet scrubber (catalysis mechanism). In the case of adsorption, the maximum Hg loading of the materials used can be exploited. However, depending on the input material, the new technology also offers the potential to separate not only Hg but also other heavy metals, dust and SO2 in the circulating filter layer. Thus, the technique is also transferable to flue gas cleaning downstream of other firing processes e.g. sewage sludge, waste incineration, metallurgy. In order to better understand the separation mechanisms and the operational variables influencing the new technology, a test plant will be operated in continuous operation at the Schkopau power plant from March 2020. At around 50,000 m\u00b3\/h, the exhaust gas volume extracted for treatment here comprises approx. 2 % of the total exhaust gas flow of the coal-fired unit. Continuous test operation is planned until the middle of 2021.[\/vc_column_text]<div class=\"vcex-spacing wpex-w-100 wpex-clear\"><\/div><div class=\"vcex-spacing wpex-w-100 wpex-clear\"><\/div>[vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;]<style>.vcex-heading.vcex_69e1f0f8eff44{color:#ffffff;}<\/style><div class=\"vcex-heading vcex-heading-plain vcex-module wpex-heading wpex-text-2xl vc_custom_1606204435759 vcex_69e1f0f8eff44\"><span class=\"vcex-heading-inner wpex-inline-block\">Pros<\/span><\/div>[vc_column_text]+ Hg reduction &gt;90 % achievable<\/p>\n<p>+ Catalytic Hg0 oxidation can also be used by selecting the right material<\/p>\n<p>+ low adsorbent consumption compared to activated carbon entrained flow process<\/p>\n<p>+ low operating costs<\/p>\n<p>+ through material adaptation also usable for the separation of other volatile pollutants<\/p>\n<p>+ modular cassette design \/ material selection enables increase of separation efficiency<\/p>\n<p>+ suitable as retrofit<\/p>\n<p>+ flow equalization for upstream \/ downstream plant components[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;]<style>.vcex-heading.vcex_69e1f0f8f04de{color:#ffffff;}<\/style><div class=\"vcex-heading vcex-heading-plain vcex-module wpex-heading wpex-text-2xl vc_custom_1606204411602 vcex_69e1f0f8f04de\"><span class=\"vcex-heading-inner wpex-inline-block\">Cons<\/span><\/div>[vc_column_text]- Moderate pressure drop (&lt;10 mbar)<br \/>\n&#8211; Generation of separate waste stream (Hg-enriched)<br \/>\n&#8211; Handling of combustible materials<br \/>\n&#8211; No large-scale references so far[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][vc_single_image image=&#8221;3196&#8243; add_caption=&#8221;yes&#8221;][vc_row_inner][vc_column_inner][vc_btn title=&#8221;Wonderbed-Pr\u00e4sentation&#8221; style=&#8221;3d&#8221; color=&#8221;primary&#8221; size=&#8221;lg&#8221; i_icon_fontawesome=&#8221;far fa-arrow-alt-circle-down&#8221; add_icon=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fwww.iem.eu%2Fwp-content%2Fuploads%2FIEM-Wonderbed_Presentation_Hg-Control-1-1.pdf|target:_blank&#8221;][\/vc_column_inner][\/vc_row_inner]<div class=\"vcex-spacing wpex-w-100 wpex-clear\"><\/div>[vc_column_text]The IEM-Wonderbed is an EU research project, funded by: Federal Ministry for Economic Affairs and Energy based on a resolution of the German Bundestag.[\/vc_column_text][vc_row_inner][vc_column_inner width=&#8221;1\/6&#8243;]<figure class=\"vcex-image vcex-module\"><div class=\"vcex-image-inner wpex-relative wpex-inline-block\"><img width=\"312\" height=\"321\" src=\"https:\/\/www.iem.eu\/wp-content\/uploads\/BMWi_Fz_2017_Office_Farbe_en.png\" class=\"vcex-image-img wpex-align-middle\" alt=\"gef\u00f6rdert durch BMWI\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.iem.eu\/wp-content\/uploads\/BMWi_Fz_2017_Office_Farbe_en.png 312w, 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class=\"vcex-post-next-prev__link theme-button minimal-border wpex-flex wpex-items-center wpex-text-center wpex-max-w-100\"><span class=\"vcex-post-next-prev__icon vcex-post-next-prev__icon--left wpex-mr-10 wpex-icon wpex-icon--bidi\" aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path d=\"M41.4 233.4c-12.5 12.5-12.5 32.8 0 45.3l160 160c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L109.3 256 246.6 118.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0l-160 160zm352-160l-160 160c-12.5 12.5-12.5 32.8 0 45.3l160 160c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L301.3 256 438.6 118.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0z\"\/><\/svg><\/span>How to Eliminate Mercury in Transit<\/a><\/div><div class=\"vcex-post-next-prev__item vcex-post-next-prev__next vcex-col wpex-inline-block\"><a href=\"https:\/\/www.iem.eu\/en\/wonderbed-new-mobile-test-station\" class=\"vcex-post-next-prev__link theme-button minimal-border wpex-flex wpex-items-center 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German law. If the lower limits are pushed, this will be associated with capture rates of 80-95% at lignite-fired power plants, for example. Such a high reduction potential is not achieved by&hellip;<\/p>\n","protected":false},"author":4,"featured_media":3196,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[33,31],"post_series":[],"class_list":["post-3186","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hg-blog","tag-politik-en","tag-project-schkopau","entry","has-media"],"_links":{"self":[{"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/posts\/3186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/comments?post=3186"}],"version-history":[{"count":32,"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/posts\/3186\/revisions"}],"predecessor-version":[{"id":5466,"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/posts\/3186\/revisions\/5466"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/media\/3196"}],"wp:attachment":[{"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/media?parent=3186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/categories?post=3186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/tags?post=3186"},{"taxonomy":"post_series","embeddable":true,"href":"https:\/\/www.iem.eu\/en\/wp-json\/wp\/v2\/post_series?post=3186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}