{"id":3541,"date":"2011-07-22T12:15:14","date_gmt":"2011-07-22T12:15:14","guid":{"rendered":"http:\/\/www.oilgae.com\/blog\/?p=3541"},"modified":"2011-07-22T12:21:15","modified_gmt":"2011-07-22T12:21:15","slug":"analysis-of-marine-microalgae-strain-nannochlropsis-salina-for-biofuels-production","status":"publish","type":"post","link":"http:\/\/www.oilgae.com\/blog\/2011\/07\/analysis-of-marine-microalgae-strain-nannochlropsis-salina-for-biofuels-production.html","title":{"rendered":"Analysis of Marine Microalgae Strain- Nannochloropsis.salina for Biofuels Production"},"content":{"rendered":"<p>I\u00a0 came across a project at the <a href=\"www.cleantick.com\/topic\/algae-fuels\">Algae Fuels Community @ CleanTick<\/a> and thought I could share this with you as well.<\/p>\n<p>Provided below are some highlights\u00a0 on the properties of the marine algae  strain-Nannochloropsis salina which I gathered after going through the details shared by one of the members in the<a href=\"www.cleantick.com\/topic\/algae-fuels\"> algae fuels community<\/a><strong><br \/>\n<\/strong><\/p>\n<p><strong> Growth rate of Nanochlropsis Salina<\/strong> &#8211; Under optimum laboratory conditions, the max. growth rate was 0.030\/h  which correspond to a doubling time of 23h. The max. lipid production  rate was 4g\/m2\/day.<\/p>\n<p><strong>Max. and min. oil yield<\/strong> &#8211; On an average, this species contain 20-40% oil (of dry weight)<\/p>\n<p><strong> Max. Productivity<\/strong> &#8211;\u00a0 The max. rate observed was 24.5g\/m2\/day under optimal lab conditions.<\/p>\n<p><strong>Methods for increasing productivity<\/strong> &#8211; A prerequisite for obtaining optimal productivity in outdoor cultures is  providing nutrients in sufficient quantities and culture growth being  affected by temperature and light alone. The cell concentration should  be less.<\/p>\n<p>Other important factors for achieving optimal productivity  were&#8212;-temperature-280C, pH-7.5-8.0, NaCl (0.6M), KNO3(10mM) in 100ml  flask. pH should be maintained below 11 for optimal productivity<\/p>\n<p><strong>Toleration of environmental alterations like pH, temp, salinity fluctuations &#8211;<\/strong> The range of conditions in which Nannochloropsis salina can grow is following:<\/p>\n<p style=\"text-align: center\">Temperature&#8212;-17-32C<br \/>\npH&#8212;-5-10.5<br \/>\nNaCl&#8212;-0.1-1M<br \/>\nKNO3&#8212;-3-100mM<br \/>\nNaHCO3&#8212;-0-5mM<\/p>\n<p><strong>Photosynthetic efficiency<\/strong> &#8211; The photosynthetic efficiency varies from 2.1% to 4.3% depending on  whether it is summer or winter and cell concentration. The  photosynthetic efficiency decreases with increasing cell concentrations  and on an average is more in summer.( Boussiba et al,1987)<br \/>\n<strong>Carbon-capture capacity<\/strong> &#8211;\u00a0 The CO<sub>2<\/sub> capturing capacity in the semi-continous cultures aerated with 2%, 5%, 10% &amp; 15% CO<sub>2<\/sub> was 47%, 20%, 15% &amp;11%.<\/p>\n<p><strong>Chances of contamination<\/strong> &#8211; Major contaminants are other strains and zooplankton, mainly diatoms and predators in open pond cultures.<strong> <\/strong><\/p>\n<p>Detailed Analysis from here &#8211;<a href=\"http:\/\/www.cleantick.com\/users\/amandaleah\/projects\/analysis-of-marine-algae-strains-for-biofuel-production-nannochloropsis-salina\/updates\/10\"> http:\/\/www.cleantick.com\/users\/amandaleah\/projects\/analysis-of-marine-algae-strains-for-biofuel-production-nannochloropsis-salina\/updates\/10<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I\u00a0 came across a project at the Algae Fuels Community @ CleanTick and thought I could share this with you as well. Provided below are some highlights\u00a0 on the properties of the marine algae strain-Nannochloropsis salina which I gathered after going through the details shared by one of the members in the algae fuels community [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[81,63,9,19],"tags":[],"class_list":["post-3541","post","type-post","status-publish","format-standard","hentry","category-algae","category-algae-cultivation-biofuel","category-algae-fuel-research","category-algae-strains"],"_links":{"self":[{"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/posts\/3541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/comments?post=3541"}],"version-history":[{"count":5,"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/posts\/3541\/revisions"}],"predecessor-version":[{"id":3544,"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/posts\/3541\/revisions\/3544"}],"wp:attachment":[{"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/media?parent=3541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/categories?post=3541"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.oilgae.com\/blog\/wp-json\/wp\/v2\/tags?post=3541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}