Kultivasi mikroalga Nannochloropsis sp dalam pupuk kotoran ayam untuk meningkatkan biomassa dan lipid sebagai preliminari produksi biodesel

Microalgae is one of the natural resources that has potential to make biodiesel because it contains a fairly high amount oil. The content fat (lipid) and fatty acid (fatty acid) in microalgae source energy used as raw material for biodiesel. In lipids there are elements saturated acids play role process making addition growth nutrients into culture media considered most influential aspect on quantity biomass produced by cultivation. This study aims determine effect chicken manure rate Nannochloropsis sp. get best treatment lipid dry weight. method this was use non-factorial Complete RandomIzed Design (RAL) with 3 repeat treatments. treatments were A: 0 mg/L, B: 250 C: 300 D: 350 mgL. results showed giving different doses had very real density sp, population peaks. Treatment B dose mg/L an average value 4713 x 104 cells/ml peak 9415 highest levels found B, which 12.73. Water quality during conditioned standard. Temperature 26 - 27 oC, pH 7.1 7.7, DO 5.2 6.3 salinity 31 34 ppt. Based high, so possible try testing.Keywords: Biodesel; Biomass; Lipid; Microalgae; sp