{"id":3047,"date":"2020-08-06T18:42:00","date_gmt":"2020-08-06T22:42:00","guid":{"rendered":"http:\/\/blog.uvm.edu\/cwcallah\/?p=3047"},"modified":"2021-02-23T17:15:02","modified_gmt":"2021-02-23T21:15:02","slug":"safe-and-efficient-drying-and-curing-of-hemp","status":"publish","type":"post","link":"https:\/\/blog.uvm.edu\/cwcallah\/2020\/08\/06\/safe-and-efficient-drying-and-curing-of-hemp\/","title":{"rendered":"Safe and Efficient Drying and Curing of CBD Hemp"},"content":{"rendered":"<p>UVM Extension Agricultural Engineering, <a href=\"http:\/\/Electrical Use of materials\/ Vapor barriers Stored combustible materials High Pile storage Blocked exits\/ Lack of exits Homemade equipment\/ listed (UL) tested\/ designed equipment Heat\/moisture removal\" target=\"_blank\" rel=\"noopener noreferrer\">Resource Innovation Institute<\/a>, <a href=\"http:\/\/Electrical Use of materials\/ Vapor barriers Stored combustible materials High Pile storage Blocked exits\/ Lack of exits Homemade equipment\/ listed (UL) tested\/ designed equipment Heat\/moisture removal\" target=\"_blank\" rel=\"noopener noreferrer\">Efficiency Vermont<\/a>, and<a href=\"http:\/\/Electrical Use of materials\/ Vapor barriers Stored combustible materials High Pile storage Blocked exits\/ Lack of exits Homemade equipment\/ listed (UL) tested\/ designed equipment Heat\/moisture removal\" target=\"_blank\" rel=\"noopener noreferrer\"> VT Division of Fire Safety<\/a> recently teamed up to provide a webinar as part of the <a href=\"https:\/\/www.uvm.edu\/extension\/nwcrops\/industrial-hemp\" target=\"_blank\" rel=\"noopener noreferrer\">UVM Extension NW Crops and Soils Team Hemp<\/a> and <a href=\"https:\/\/newfarmerproject.wordpress.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">UVM Extension New Farmer Project<\/a> series. This session focused on safely and efficiently drying and curing hemp to support customer quality needs. An introduction to drying herbs and flowers is available in <a href=\"https:\/\/blog.uvm.edu\/cwcallah\/2021\/02\/23\/drying-and-curing-herbs-and-flowers-hops-hemp-and-everything-else\/\">this post<\/a>.<!--more--><\/p>\n<p>The slides from the webinar are available for <a href=\"http:\/\/blog.uvm.edu\/cwcallah\/files\/2016\/04\/pdf.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1362\" src=\"http:\/\/blog.uvm.edu\/cwcallah\/files\/2016\/04\/pdf.jpg\" alt=\"\" width=\"33\" height=\"25\" srcset=\"https:\/\/blog.uvm.edu\/cwcallah\/files\/2016\/04\/pdf.jpg 400w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2016\/04\/pdf-300x221.jpg 300w\" sizes=\"auto, (max-width: 33px) 100vw, 33px\" \/><\/a> <a href=\"http:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/2020-08-06-Drying-Basics-Hemp-COMBINED.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">download as a PDF<\/a> and a <a href=\"https:\/\/youtu.be\/dIPozbV-MuY\" target=\"_blank\" rel=\"noopener noreferrer\">video is also available<\/a>.<\/p>\n<figure id=\"attachment_3054\" aria-describedby=\"caption-attachment-3054\" style=\"width: 640px\" class=\"wp-caption alignright\"><a href=\"http:\/\/blog.uvm.edu\/cwcallah\/2020\/08\/06\/safe-and-efficient-drying-and-curing-of-hemp\/img_5494\/\" rel=\"attachment wp-att-3054\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3054 size-large\" src=\"http:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_5494-1024x575.jpg\" alt=\"\" width=\"640\" height=\"359\" srcset=\"https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_5494-1024x575.jpg 1024w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_5494-300x168.jpg 300w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_5494-768x431.jpg 768w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_5494-1536x862.jpg 1536w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_5494-2048x1150.jpg 2048w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_5494-1568x880.jpg 1568w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><figcaption id=\"caption-attachment-3054\" class=\"wp-caption-text\">Drying neatly in a clean barn. Photo: A. Chamberlin.<\/figcaption><\/figure>\n<p>The session covered the following topics:<\/p>\n<ul>\n<li><strong>Drying Basics<\/strong> &#8211; Chris Callahan (UVM Ext Ag Eng) and Gretchen Schimelpfenig (RII)\n<figure id=\"attachment_3055\" aria-describedby=\"caption-attachment-3055\" style=\"width: 640px\" class=\"wp-caption alignright\"><a href=\"http:\/\/blog.uvm.edu\/cwcallah\/2020\/08\/06\/safe-and-efficient-drying-and-curing-of-hemp\/img_3860\/\" rel=\"attachment wp-att-3055\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3055 size-large\" src=\"http:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_3860-1024x768.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_3860-1024x768.jpg 1024w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_3860-300x225.jpg 300w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_3860-768x576.jpg 768w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_3860-1536x1152.jpg 1536w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_3860-2048x1536.jpg 2048w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_3860-1568x1176.jpg 1568w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><figcaption id=\"caption-attachment-3055\" class=\"wp-caption-text\">Cureco propane fired tobacco driers. Photo: C. Callahan.<\/figcaption><\/figure>\n<ul>\n<li>The Science of Drying<\/li>\n<li><a href=\"http:\/\/go.uvm.edu\/tunnelventilation\" target=\"_blank\" rel=\"noopener noreferrer\">Ventilation and Circulation<\/a><\/li>\n<li>Water, Air and Humidity<\/li>\n<li><a href=\"http:\/\/go.uvm.edu\/moisture\" target=\"_blank\" rel=\"noopener noreferrer\">Moisture Content<\/a><\/li>\n<li><a href=\"https:\/\/resourceinnovation.org\/resources\/\" target=\"_blank\" rel=\"noopener noreferrer\">HVAC Basics<\/a><\/li>\n<li>Drying Approaches\n<ul>\n<li>Ambient Drying<\/li>\n<li>Heated, Forced Air Drying<\/li>\n<li>Dehumidification &amp; Heat Pumps<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Energy Efficiency Measures and Incentives\u00a0<\/strong> &#8211; Lauren Morlino (Efficiency Vermont)\n<ul>\n<li><a href=\"https:\/\/www.efficiencyvermont.com\/tips-tools\/questions-answers\/what-is-a-building-envelope-or-thermal-shell\" target=\"_blank\" rel=\"noopener noreferrer\">Building Envelope<\/a><\/li>\n<li><a href=\"https:\/\/www.efficiencyvermont.com\/rebates\/list\/ventilation-fans-agriculture\" target=\"_blank\" rel=\"noopener noreferrer\">Efficient Fans<\/a><\/li>\n<li><a href=\"https:\/\/www.efficiencyvermont.com\/products-technologies\/appliances\/dehumidifiers-air-purifiers\" target=\"_blank\" rel=\"noopener noreferrer\">EnergyStar Dehumidifiers<\/a><\/li>\n<li><a href=\"https:\/\/www.efficiencyvermont.com\/products-technologies\/heating-cooling-ventilation\/heat-pumps\" target=\"_blank\" rel=\"noopener noreferrer\">Heat Pumps<\/a><\/li>\n<\/ul>\n<\/li>\n<li><strong>Safety<\/strong> &#8211; Landon Wheeler (VT Division of Fire Safety)\n<ul>\n<li>Public buildings<\/li>\n<li><a href=\"https:\/\/legislature.vermont.gov\/statutes\/title\/20\" target=\"_blank\" rel=\"noopener noreferrer\">20 VSA<\/a> and <a href=\"https:\/\/firesafety.vermont.gov\/sites\/firesafety\/files\/files\/rules\/dfs_rules_firecode2015_current.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Vermont Fire and Building Safety Code<\/a><\/li>\n<li>Major Hazards Associated with Drying Operations\n<ul>\n<li>Electrical<\/li>\n<li>Use of Materials \/ Vapor barriers<\/li>\n<li>Stored Combustible Materials<\/li>\n<li>High Pile Storage<\/li>\n<li>Blocked Exits \/ Lack of Exits<\/li>\n<li>Homemade Equipment \/ Listed (UL) Tested \/ Designed Equipment<\/li>\n<li>Heat \/ Moisture Removal<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure id=\"attachment_3053\" aria-describedby=\"caption-attachment-3053\" style=\"width: 240px\" class=\"wp-caption alignright\"><a href=\"http:\/\/blog.uvm.edu\/cwcallah\/2020\/08\/06\/safe-and-efficient-drying-and-curing-of-hemp\/attachment\/1\/\" rel=\"attachment wp-att-3053\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3053 size-full\" src=\"http:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/1-rotated.jpg\" alt=\"\" width=\"240\" height=\"320\" srcset=\"https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/1-rotated.jpg 240w, https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/1-225x300.jpg 225w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><\/a><figcaption id=\"caption-attachment-3053\" class=\"wp-caption-text\">Drying in a greenhouse with thermostatically controlled exhaust fans and circulating (HAF) fans. Photo: H. Prussack.<\/figcaption><\/figure>\n<p>The group encourages hemp growers to contact us for technical assistance regarding their drying and curing processes and facilities.<\/p>\n<p><strong>Contact info<\/strong>:<\/p>\n<ul>\n<li><a href=\"chris.callahan@uvm.edu\" target=\"_blank\" rel=\"noopener noreferrer\">Chris Callahan<\/a> &#8211; <a href=\"http:\/\/go.uvm.edu\/ageng\" target=\"_blank\" rel=\"noopener noreferrer\">UVM Extension Ag Engineering<\/a>, 802-447-7582 x256<\/li>\n<li><a href=\"mailto:\/\/gretchen@resourceinnovation.org\" target=\"_blank\" rel=\"noopener noreferrer\">Gretchen Schimelpfenig<\/a> &#8211; <a href=\"http:\/\/resourceinnovation.org\" target=\"_blank\" rel=\"noopener noreferrer\">Resource Innovation Institute<\/a>, 307-399-5837<\/li>\n<li><a href=\"mailto:\/\/lmorlino@efficiencyvermont.com\" target=\"_blank\" rel=\"noopener noreferrer\">Lauren Morlino<\/a> &#8211; <a href=\"http:\/\/www.efficiencyvermont.com\" target=\"_blank\" rel=\"noopener noreferrer\">Efficiency VT<\/a>, 888-921-5990<\/li>\n<li><a href=\"mailto:\/\/landon.wheeler@vermont.gov\">Landon Wheeler<\/a> &#8211; <a href=\"http:\/\/firesafety.vermont.gov\" target=\"_blank\" rel=\"noopener noreferrer\">VT Division of Fire Safety<\/a>, 802-369-0949<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>UVM Extension Agricultural Engineering, Resource Innovation Institute, Efficiency Vermont, and VT Division of Fire Safety recently teamed up to provide a webinar as part of the UVM Extension NW Crops and Soils Team Hemp and UVM Extension New Farmer Project series. This session focused on safely and efficiently drying and curing hemp to support customer &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/blog.uvm.edu\/cwcallah\/2020\/08\/06\/safe-and-efficient-drying-and-curing-of-hemp\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Safe and Efficient Drying and Curing of CBD Hemp&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1174,"featured_media":3054,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[6519,684047],"tags":[6521],"class_list":["post-3047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-heating","category-energy-on-the-farm","tag-post-harvest","entry"],"featured_image_src":"https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_5494-600x400.jpg","featured_image_src_square":"https:\/\/blog.uvm.edu\/cwcallah\/files\/2020\/08\/IMG_5494-600x600.jpg","author_info":{"display_name":"Chris Callahan","author_link":"https:\/\/blog.uvm.edu\/cwcallah\/author\/cwcallah\/"},"_links":{"self":[{"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/posts\/3047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/users\/1174"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/comments?post=3047"}],"version-history":[{"count":19,"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/posts\/3047\/revisions"}],"predecessor-version":[{"id":3072,"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/posts\/3047\/revisions\/3072"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/media\/3054"}],"wp:attachment":[{"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/media?parent=3047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/categories?post=3047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.uvm.edu\/cwcallah\/wp-json\/wp\/v2\/tags?post=3047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}