Utilization of local fertilizer and spring water combination for growth medium of Stanieria HS-48 (cyanobacteria) as a biofuel feedstock

Ni Wayan Kristina Eka Yanti, Aditya Toriq Rochmanto, Rosalin Damacena, Sri Handayani, Nasruddin, Nining Betawati Prihantini

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The study of NPK fertilizer medium had been done and it can be used for microalgae growth including cyanobacteria. Stanieria has the potential as a biofuel feedstock because it contains lipid in the form of fatty acids. Strain HS-48 was isolated from Ciater hot spring located in West Java, Indonesia. This study aimed to determine the best concentration of local NPK fertilizer that good growth medium for Stanieria HS-48. Stanieria HS-48 was grown on the BBM as a control, Lab. Alam water, NPK 350 ppm, and NPK 1050 ppm. This study was conducted for 14 days with 2 repetitions in each treatment. The average cell density (cell/mL) of Stanieria HS-48 at peak in Lab. Alam water was 1.7375×105, BBM was 2.1125×105, NPK 350 ppm was 5.0375×105, and NPK 1050 ppm was 5,875×105. Meanwhile, the growth rate (r) at NPK 350 ppm was higher rather than NPK 1050 ppm. Based on macroscopic observations, the NPK 350 ppm had a green color and the NPK 1050 ppm had a yellowish color. The result of the study showed that NPK 350 ppm was a good growth medium for Stanieria HS-48.

Original languageEnglish
Title of host publication4th International Tropical Renewable Energy Conference, i-TREC 2019
EditorsEny Kusrini, I. Gde Dharma Nugraha
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735420144
DOIs
Publication statusPublished - 3 Sep 2020
Event4th International Tropical Renewable Energy Conference 2019, i-TREC 2019 - Bali, Indonesia
Duration: 14 Aug 201916 Aug 2019

Publication series

NameAIP Conference Proceedings
Volume2255
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference4th International Tropical Renewable Energy Conference 2019, i-TREC 2019
Country/TerritoryIndonesia
CityBali
Period14/08/1916/08/19

Keywords

  • biofuel
  • cell density
  • Lab. Alam water
  • NPK fertilizer
  • Stanieria HS-48

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