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All Journal Reaktor International Journal of Science and Engineering (IJSE) International Journal of Renewable Energy Development TEKNIK METANA Jurnal Ilmu Lingkungan Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Majalah Ilmiah MOMENTUM Jurnal Rekayasa Mesin Jurnal Teknologi Pangan Innovative: Journal Of Social Science Research Jurnal Profesi Insinyur Indonesia
Noer Abyor Handayani
Departemen Teknik Kimia Fakultas Teknik Universitas Diponegoro
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Transportation Veterinary Other

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Journal : International Journal of Renewable Energy Development

 1 
Potency of Solar Energy Applications in Indonesia Handayani, Noer Abyor; Ariyanti, Dessy
International Journal of Renewable Energy Development Vol 1, No 2 (2012): July 2012
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.1.2.33-38

Abstract

Currently, 80% of conventional energy is used to fulfill general public's needs andindustries. The depletion of oil and gas reserves and rapid growth in conventional energyconsumption have continuously forced us to discover renewable energy sources, like solar, wind,biomass, and hydropower, to support economic development in the future. Solar energy travels at aspeed of 186,000 miles per second. Only a small part of the radiant energy that the sun emits intospace ever reaches the Earth, but that is more than enough to supply all our energy demand.Indonesia is a tropical country and located in the equator line, so it has an abundant potential ofsolar energy. Most of Indonesian area get enough intensity of solar radiation with the average dailyradiation around 4 kWh/m2. Basically, the solar systems use solar collectors and concentrators forcollecting, storing, and using solar radiation to be applied for the benefit of domestics, commercials,and industrials. Common applications for solar thermal energy used in industry are the SWHs, solardryers, space heating, cooling systems and water desalination.
Biofixation of Carbon dioxide by Chlamydomonas sp. in a Tubular Photobioreactor Hadiyanto, H; Sumarno, S; Nur Rostika, Rufaida; Abyor Handayani, Noer
International Journal of Renewable Energy Development Vol 1, No 1 (2012): February 2012
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.1.1.10-14

Abstract

The biogas production from anaerobic digestion is a potential fuel for power generators application, if biogas can be upgraded to the same standards as fossil natural gas by CO2, H2S, and other non-combustible component removal. Microalgae Chlamydomonas sp. has potency to biofix the carbon dioxide and can be used as an additional food ingredient. The variations of flow rate and carbon dioxide concentration in the process resulting different value of biomass production and carbon dioxide biofixation. Biomass production at 40% carbon dioxide concentration obtained 5.685 gr/dm3 at 10% carbon dioxide concentration obtained 4.892 gr/dm3. The greatest value of carbon dioxide absorption occurs at a 40% concentration amounting to 12.09%. The rate of growth and productivity of microalgae tend to rise in 10% and 20% (%v) carbon dioxide concentration, but began started a constant at 30% and 40% (%v) carbon dioxide concentration. Biomass production tends to increase in light conditions while a constant in dark conditions. This study used Chlamydomonas sp. as media culture and performed on bubble column and tubular reactor with 6 litres of culture medium at a temperature of 28oC and atmospheric pressure.
Co-Authors Aat Zaki Mubarok Adina, Alifia Rizki Aditya Yuna Aditya Yuna Adristy, Vania Zulfa Aji Prasetyaningrum Ananta, Reza Aprilina Purbasari Ariyanti Dessy Bakti Jos Berlian Arswendo Adietya Bunga Profegama Bunga Profegama Denis Denis Dessy Ariyanti Dessy Ariyanti Diah Susetyo Retnowati Faadhilah, Hilmi Rifaa Fadlillah Fani Fitri Lafifa H Hadiyanto Hargono Hargono Harles, Hendra Hasbi Ashidqi Bastian, Hasbi Ashidqi Heny Kusumayanti Herry Santosa Herry Santosa I Nyoman Widiasa Ilga Mega Kusuma, Ilga Mega Kristinah Haryani Kristinah Haryani Kristinah Haryani Miranti Budi Kusumawati Naniek Utami Handayani Nita Aryanti Putri, Sheila Amanda Ratnawati Ratnawati Rufaida Nur Rostika S Sumarno Sadam Arrois Sulardjaka Sulardjaka Yuliani, Sari