{"id":72,"date":"2010-07-23T23:28:40","date_gmt":"2010-07-23T17:58:40","guid":{"rendered":"http:\/\/dchandra.geosyndicate.com\/news\/?p=72"},"modified":"2010-07-23T23:28:40","modified_gmt":"2010-07-23T17:58:40","slug":"geothermal-heat-pumps-and-carbon-dioxide","status":"publish","type":"post","link":"https:\/\/dchandra.geosyndicate.com\/news\/?p=72","title":{"rendered":"GEOTHERMAL HEAT PUMPS AND CARBON DIOXIDE"},"content":{"rendered":"<p>Geothermal heat pumps (GHP) are environmentally benign and represent a large potential for reduction of CO<sub>2<\/sub> emission. The CO<sub>2<\/sub> emission rates depend on the energy efficiency of the equipment as well as the fuel mix and the efficiency of electricity generation.<\/p>\n<p>\u00c2\u00a0The heat pump needs auxiliary power to accomplish the temperature rise needed in the system. This power, if supplied by renewable energy source like geothermal, then the amount of CO<sub>2<\/sub> emission will be near zero. On the other hand if energy supply is from fossil fuels, then there will be CO<sub>2<\/sub> emission but the amount of CO<sub>2<\/sub> emitted will be lower by several factors compared to conventional energy source used for space heating and cooling.\u00c2\u00a0\u00c2\u00a0\u00c2\u00a0\u00c2\u00a0\u00c2\u00a0\u00c2\u00a0<\/p>\n<p>The average CO<sub>2<\/sub> emission associated with generation of electricity is estimated to be 0.953 kg CO<sub>2<\/sub>\/kWh ( coal based power plants) while geothermal power plants emit \u00c2\u00a00.893 kg CO<sub>2<\/sub>\/MWhr. Electrically driven heat pump reduces the CO<sub>2<\/sub> emission by 45% compared with an oil fired boiler and 33% compared with a gas fired boiler. The total CO<sub>2<\/sub> reduction potential of heat pumps has been estimated to be 1.2 billion tonnes per year or about 6% of the global emission.<\/p>\n<p>\u00c2\u00a0In India, 33 % of electricity \u00c2\u00a0( coal based power) is utilized by the building sector (commercial and domestic ). A major amount is spent for space cooling, refrigeration and hot water supply. This amounts to emission of 234 x 10<sup>9<\/sup> kg CO<sub>2<\/sub>. If India utilizes \u00c2\u00a0G H Ps (low enthalpy geothermal sources), so much of CO<sub>2<\/sub>\u00c2\u00a0 emission can be reduced.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Geothermal heat pumps (GHP) are environmentally benign and represent a large potential for reduction of CO2 emission. The CO2 emission rates depend on the energy efficiency of the equipment as well as the fuel mix and the efficiency of electricity generation. \u00c2\u00a0The heat pump needs auxiliary power to accomplish the temperature rise needed in the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-72","post","type-post","status-publish","format-standard","hentry","category-geothermal-energy"],"_links":{"self":[{"href":"https:\/\/dchandra.geosyndicate.com\/news\/index.php?rest_route=\/wp\/v2\/posts\/72","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dchandra.geosyndicate.com\/news\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dchandra.geosyndicate.com\/news\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dchandra.geosyndicate.com\/news\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dchandra.geosyndicate.com\/news\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=72"}],"version-history":[{"count":0,"href":"https:\/\/dchandra.geosyndicate.com\/news\/index.php?rest_route=\/wp\/v2\/posts\/72\/revisions"}],"wp:attachment":[{"href":"https:\/\/dchandra.geosyndicate.com\/news\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=72"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dchandra.geosyndicate.com\/news\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=72"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dchandra.geosyndicate.com\/news\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=72"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}