{"id":297,"date":"2020-05-09T15:03:47","date_gmt":"2020-05-09T07:03:47","guid":{"rendered":"http:\/\/qyu7688120001.my3w.com\/?page_id=297"},"modified":"2021-03-31T21:06:12","modified_gmt":"2021-03-31T13:06:12","slug":"molecular-sieve-dehydration-absolute-ethanol","status":"publish","type":"page","link":"https:\/\/www.cdslkj.com\/en\/productions\/techniques\/molecular-sieve-dehydration-absolute-ethanol\/","title":{"rendered":"Alcohol Dehydration Process Principle"},"content":{"rendered":"<div      class=\"vc_row wpb_row section\" style=' text-align:left;'><div class=\"full_section_inner clearfix\"><div class=\"wpb_column vc_column_container vc_col-sm-3\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div id=\"slide-menu\" class=\"wpb_widgetised_column wpb_content_element slide-menu\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2 class=\"wpb_heading wpb_widgetised_column_heading\">Product and Support<\/h2>\n\t\t\t<div id=\"nav_menu-5\" class=\"widget widget_nav_menu posts_holder\"><div class=\"menu-%e4%ba%a7%e5%93%81%e4%b8%9a%e5%8a%a1-container\"><ul id=\"menu-%e4%ba%a7%e5%93%81%e4%b8%9a%e5%8a%a1\" class=\"menu\"><li id=\"menu-item-983\" class=\"menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-983\"><a href=\"\/productions\/catalyst\/methanol-hydrogen-production-catalyst\/\">Catalyst<\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-321\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-321\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/catalyst\/methanol-hydrogen-production-catalyst\/\">Methanol Cracking Hydrogen Production Catalyst<\/a><\/li>\n\t<li id=\"menu-item-322\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-322\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/catalyst\/alcohol-catalyst\/\">Combined Alcohol Catalyst<\/a><\/li>\n\t<li id=\"menu-item-313\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-313\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/catalyst\/medium-temperature-zinc-oxide-fine-desulfurizer\/\">Middle Temperature Zinc Oxide Desulfurizer<\/a><\/li>\n\t<li id=\"menu-item-318\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-318\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/catalyst\/hydrocarbon-primary-conversion-catalyst\/\">Hydrocarbon First-stage Conversion Catalyst<\/a><\/li>\n\t<li id=\"menu-item-314\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-314\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/catalyst\/two-stage-catalyst\/\">\u70c3\u7c7b\u4e8c\u6bb5\u8f6c\u5316\u50ac\u5316\u5242<\/a><\/li>\n\t<li id=\"menu-item-311\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-311\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/catalyst\/co-medium-high-temperature-shift-catalyst\/\">CO Medium (high) Temperature Shift Catalyst<\/a><\/li>\n\t<li 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Sieve<\/a><\/li>\n\t<li id=\"menu-item-327\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-327\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/4a\/\">4A Molecular Sieve<\/a><\/li>\n\t<li id=\"menu-item-328\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-328\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/5a\/\">5A Molecular Sieve<\/a><\/li>\n\t<li id=\"menu-item-324\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-324\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/13x\/\">13X Molecular Sieve<\/a><\/li>\n\t<li id=\"menu-item-325\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-325\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/13x-apeg\/\">Special 13X Molecular Sieve for Air Separation<\/a><\/li>\n\t<li id=\"menu-item-335\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-335\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/molecular-sieve-for-alcohol-dehydration\/\">Molecular Sieve for Alcohol Dehydration<\/a><\/li>\n\t<li id=\"menu-item-334\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-334\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/insulating-glass-special-molecular-sieve\/\">Molecular Sieve for Insulating Glass<\/a><\/li>\n\t<li id=\"menu-item-332\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-332\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/psa-amolecular-sieve-for-hydrogen-production\/\">PSA-H\u2082 Molecular Sieve<\/a><\/li>\n\t<li id=\"menu-item-330\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-330\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/psa-special-activated-carbon\/\">PSA-H\u2082 Special Activated Carbon<\/a><\/li>\n\t<li id=\"menu-item-329\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-329\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/psa-special-activated-alumina\/\">PSA-H\u2082 Special activated alumina<\/a><\/li>\n\t<li id=\"menu-item-331\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-331\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/molecular-sieve-adsorbent\/psa-special-silicone\/\">PSA Special Silicone<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-1475\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-1475\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/%e5%8e%9f%e7%b2%89\/\">Molecular Sieve Powder<\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-1476\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1476\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/%e5%8e%9f%e7%b2%89\/3a%e5%88%86%e5%ad%90%e7%ad%9b%e5%8e%9f%e7%b2%89\/\">3A Molecular Sieve Powder<\/a><\/li>\n\t<li id=\"menu-item-1477\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1477\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/%e5%8e%9f%e7%b2%89\/4a%e5%88%86%e5%ad%90%e7%ad%9b%e5%8e%9f%e7%b2%89\/\">4A Molecular Sieve Powder<\/a><\/li>\n\t<li id=\"menu-item-1478\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1478\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/%e5%8e%9f%e7%b2%89\/5a%e5%88%86%e5%ad%90%e7%ad%9b%e5%8e%9f%e7%b2%89\/\">5A Molecular Sieve Powder<\/a><\/li>\n\t<li id=\"menu-item-1479\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1479\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/%e5%8e%9f%e7%b2%89\/13x%e5%88%86%e5%ad%90%e7%ad%9b%e5%8e%9f%e7%b2%89\/\">13X Molecular Sieve Powder<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-985\" class=\"menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-985\"><a href=\"\/productions\/techniques\/methanol-cracking-hydrogen\/\">Engineering design<\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-344\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-344\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/techniques\/methanol-cracking-hydrogen\/\">Methanol Cracking Process Principle<\/a><\/li>\n\t<li id=\"menu-item-340\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-340\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/techniques\/natural-gas-hydrogen\/\">Complete Technology of Hydrogen Production from Natural Gas<\/a><\/li>\n\t<li id=\"menu-item-339\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-339\"><a href=\"https:\/\/www.cdslkj.com\/en\/productions\/techniques\/molecular-sieve-dehydration-absolute-ethanol\/\">Alcohol Dehydration Process Principle<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul><\/div><\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-9\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p style=\"text-align: center; margin-bottom: 20px;\"><strong>Alcohol Dehydration Process Principle<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-1095\" src=\"http:\/\/qyu7688120001.my3w.com\/wp-content\/uploads\/2020\/09\/\u9152\u7cbe\u8131\u6c34-300x169.jpg\" alt=\"\u9152\u7cbe\u8131\u6c34\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.cdslkj.com\/wp-content\/uploads\/2020\/09\/\u9152\u7cbe\u8131\u6c34-300x169.jpg 300w, https:\/\/www.cdslkj.com\/wp-content\/uploads\/2020\/09\/\u9152\u7cbe\u8131\u6c34-768x432.jpg 768w, https:\/\/www.cdslkj.com\/wp-content\/uploads\/2020\/09\/\u9152\u7cbe\u8131\u6c34-1024x576.jpg 1024w, https:\/\/www.cdslkj.com\/wp-content\/uploads\/2020\/09\/\u9152\u7cbe\u8131\u6c34-700x394.jpg 700w, https:\/\/www.cdslkj.com\/wp-content\/uploads\/2020\/09\/\u9152\u7cbe\u8131\u6c34.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>The molecular sieve adsorption method is a technology that uses molecular sieve to adsorb and desorb water from the feed ethanol vapor. The adsorption separation of the gas mixture is realized in a fixed adsorption bed. Pack one or more adsorbents in the adsorbent bed. After the mixed gas enters the adsorbent bed under a certain pressure, due to the difference in adsorption characteristics of the gas components, different components form adsorption enrichment zones at different positions of the adsorbent bed. The strongest adsorption component is concentrated at the inlet end of the adsorption bed, the weakest adsorption component is concentrated at the outlet end of the adsorption bed, and the enrichment zone of the remaining components is distributed in the middle of the adsorption bed according to the difference in adsorption capacity. Due to the difference in the adsorption characteristics of the gas components on the adsorbent, we can use this difference to achieve the purpose of separating the gas mixture.<\/p>\n<li>Decompression:<\/li>\n<p>After the adsorption bed completes the adsorption process under a certain pressure, the adsorbed components are desorbed by depressurization (usually reduced to close to atmospheric pressure). The natural pressure release method is adopted, the degree of pressure release is limited, the adsorbed components cannot be fully desorbed, and the regeneration of the adsorbent is not complete.<\/p>\n<li>Vacuum:<\/li>\n<p>After the adsorption bed drops to atmospheric pressure, in order to further reduce the partial pressure of the adsorbed components, the method of evacuation can be used to further reduce the pressure of the adsorption bed to a vacuum state, so that the adsorbed components are fully desorbed.<\/p>\n<p>The automatic control valve and the corresponding control system configuration of the system can easily and automatically realize the adsorption of molecular sieve adsorption, alternate drying and regeneration of each molecular sieve adsorption bed. Make the whole process complete automatically, without any on-site operation by the operator.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/10\/\u9152\u7cbe\u8131\u6c34\u5de5\u827a.png\" alt=\"\u9152\u7cbe\u8131\u6c34\u5de5\u827a\" width=\"947\" height=\"247\" class=\"aligncenter size-full wp-image-1184\" srcset=\"https:\/\/www.cdslkj.com\/wp-content\/uploads\/2020\/10\/\u9152\u7cbe\u8131\u6c34\u5de5\u827a.png 947w, https:\/\/www.cdslkj.com\/wp-content\/uploads\/2020\/10\/\u9152\u7cbe\u8131\u6c34\u5de5\u827a-300x78.png 300w, https:\/\/www.cdslkj.com\/wp-content\/uploads\/2020\/10\/\u9152\u7cbe\u8131\u6c34\u5de5\u827a-768x200.png 768w, https:\/\/www.cdslkj.com\/wp-content\/uploads\/2020\/10\/\u9152\u7cbe\u8131\u6c34\u5de5\u827a-700x183.png 700w\" sizes=\"(max-width: 947px) 100vw, 947px\" \/><br \/>\n\u3016Device Characteristics\u3017<\/p>\n<p>After preheating and overheating, the raw material alcohol enters the temperature swing adsorption bed, and goes out of the adsorption tower as anhydrous alcohol. After the adsorption is saturated, it is subjected to reverse discharge and evacuation analysis, and then the final charge completes the preparation and enters the next cycle. The main features are as follows:<\/p>\n<p>1.The method of pumping down analysis is adopted to reduce the amount of light alcohol and reduce the energy consumption of the device.<\/p>\n<p>2.TSA fully automatic control, simple device operation.<\/p>\n<p>3.Special control valve is used to ensure smooth and normal operation of the device.<\/p>\n<p>\u3016Performance\u3017<\/p>\n<p>Yield\uff1aOn demand<\/p>\n<p>Press\uff1a0\uff5e0.4 MPa<\/p>\n<p>Purity\uff1aUp to 99.95%<\/p>\n\n\t\t<\/div> \n\t<\/div> <\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"\u4ea7\u54c1\u4e1a\u52a1 \u50ac\u5316\u5242 \u7532\u9187\u5236\u6c22\u50ac\u5316\u5242 \u8054\u9187\u50ac\u5316\u5242 \u4e2d\u6e29\u6c27\u5316\u950c\u8131\u786b\u5242 \u70c3\u7c7b\u4e00\u6bb5\u8f6c\u5316\u50ac\u5316\u5242 \u70c3\u7c7b\u4e8c...","protected":false},"author":1,"featured_media":0,"parent":110,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/www.cdslkj.com\/en\/wp-json\/wp\/v2\/pages\/297"}],"collection":[{"href":"https:\/\/www.cdslkj.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.cdslkj.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.cdslkj.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cdslkj.com\/en\/wp-json\/wp\/v2\/comments?post=297"}],"version-history":[{"count":11,"href":"https:\/\/www.cdslkj.com\/en\/wp-json\/wp\/v2\/pages\/297\/revisions"}],"predecessor-version":[{"id":1406,"href":"https:\/\/www.cdslkj.com\/en\/wp-json\/wp\/v2\/pages\/297\/revisions\/1406"}],"up":[{"embeddable":true,"href":"https:\/\/www.cdslkj.com\/en\/wp-json\/wp\/v2\/pages\/110"}],"wp:attachment":[{"href":"https:\/\/www.cdslkj.com\/en\/wp-json\/wp\/v2\/media?parent=297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}