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All Journal JURNAL TEKNOLOGI LINGKUNGAN Jurnal Rekayasa Lingkungan Jurnal Energi dan Lingkungan (Enerlink)
Irhan Febijanto
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Agriculture, Biological Sciences & Forestry Energy Environmental Science

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PEMANFAATAN POTENSI TENAGA AIR DI SALURAN IRIGASI BANJARCAHYANA, KABUPATEN BANJARNEGARA, PROPINSI JAWA TENGAH SEBAGAI USAHA PENGURANGAN EMISI GAS RUMAH KACA Irhan Febijanto
Jurnal Teknologi Lingkungan Vol. 9 No. 3 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (110.818 KB) | DOI: 10.29122/jtl.v9i3.472

Abstract

This study was conducted by collaboration between BPPT, Chugoku Electric Power, and PT Indonesia Power and funded by GEC (Japan-Geo Environment Center). The study was started on August 2005, and finished on September 2006. The purpose of the study was to explore the unutilized potentials micro hydro power plants (MHPP) in Banjarcahyana irrigation channel. These sites are located at south eastern of Banjarnegara city. Development of these MHPP will be planned put into Clean Development Mechanism (CDM), therefore operation of these power generation would be calculated to reduce global warming effects. According to the study result, it was found eight locations having potential to build as MHPP. The development of the project economically feasible estimated could reduce 17,252 t-CO2 of Green House Gas Effect annually. This study also provides new emission coefficient factor for electricity grid system of Jawa Bali Madura (JAMALI).
PEMANASAN GLOBAL DAN PELAKSANAAN MEKANISME PEMBANGUNAN BERSIH SEKTOR ENERGI DI INDONESIA Irhan Febijanto
Jurnal Rekayasa Lingkungan Vol. 5 No. 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v5i2.1884

Abstract

At this time global warming became an environmental issue that most often discussed. At the same time, as a trigger of green house gasses business, the issue of carbon trading business became an interesting discussion, because it has an impact to improve the feasibility of the project. This paper discussed the causes of global warming, the mechanism of global warming and the efforts to reduce green house gasses using Clean Development Mechanism. In addition, carbon price fl uctuation and the procedures of carbon trading are described also. Finally, potentialClean Development Mechanism projects in energy sector and implemented Clean Development Mechanism projects in Indonesia are discussed.Key Words : Global warming, Clean Development Mechanism (CDM), CDM project, Certified Emission Reduction (CER), Carbon Trading
PENGURANGAN GAS RUMAH KACA DARI LIMBAH CAIR DI PABRIK KELAPA SAWIT PT PERUSAHAAN NUSANTARA, RIAU Irhan Febijanto
Jurnal Rekayasa Lingkungan Vol. 5 No. 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v5i3.1899

Abstract

Waste water utilization in palm oil mills (POMs) in Indonesia is limited only for land application and in some palm oil mills the waste water is unutilized and it is only discharged to a river. The technology of methane gas utilization produced from waste water have been developed, unfortunately economical barrier is a big problem to implement it in the POMs. Since Clean Development Mechanism (CDM) have been being introducing in Indonesia, many foreign investors who looking for Certified Emission Reduction (CER) visit and investigate potential reductions in Indonesia. Using CDM Mechanism, it will change feasibility of an activity of methane gas capture. An income from selling CER makes theeconomical feasibility of methane gas capture increase. The purpose of this study is to investigate the potential methane gas produced in waste water pond in all POM owned by PTPN V, located in Riau Province. Area of own plantation, amount of processed (Fresh Fruit Bunch (FFB) and distance of the location are proposed as a consideration for selecting candidate locations. The potentialmethane gas captured was calculated. It was known that four POMs have a potential methane gas amount produced from waste water pond, and the investment in those locations were feasible based on the NPV calculation result. Utilization of captured methane gas as a fuel for power generation is inconsiderate, because negotiation is predicted will be takes a long time.Key words: green house gasses, palm oil mill, empty fruit bunch, fresh fruit bunch, palm mill oil effluent, clean development mechanism
PENGURANGAN GAS RUMAH KACA DARI LIMBAH CAIR DI PABRIK KELAPA SAWIT PINANG TINGGI, JAMBI DENGAN CDM Irhan Febijanto
Jurnal Rekayasa Lingkungan Vol. 6 No. 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jrl.v6i3.1941

Abstract

Waste water produced from Crude Palm Oil’s process in Palm Oil Mill (POM) is usually treated using water treatment ponds that consist of anaerobic ponds and aerobic ponds. It is known well, methane gas is generated from degradation of organic matter in anaerobic ponds. The methane gas results global warming impacts. Regarding to tackle the global warming impact, the methane gas generated from POM can be captured and flared to convert methane gas tocarbon dioxide. This study was conducted in one of the big capacity of Pinang Tinggi POM owned by PT Perkebunan Nusantara 3. Methane gas potential was investigated by using pH, COD (Chemical Oxygen Demand) and waste water measurement. And from these result the methane gas potential was predicted. In this study, using Clean Development Mechanism (CDM), capturing methane gas generated from anaerobic pond gave a result that the project can be an economically feasible based on the condition measured.Keywords : oil palm industry, methane gas, gas rumah kaca, CDM project(CleanDevelopment Mechanism), COD (Chemical Oxygen Demand)
EFEK GAYA ANTAR PARTIKEL DAN DIAMETER PARTIKEL TERHADAP KECEPATAN MINIMUM FLUIDISASI Irhan Febijanto
Jurnal Energi dan Lingkungan (Enerlink) Vol. 5 No. 2 (2009)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v5i2.1570

Abstract

In this study, the effect of diameter particle and the effect of inter-particlecohesion force due to liquid bridge formation on the minimum fluidization velocityin the fluidized bed have investigated. Also the effect of inter-particle cohesionforce on a fluidization condition of the bed has observed by video camera. Theinvestigation results showed bigger diameter can give higher minimumfluidization velocity, and stronger inter-particle force can give higher minimumfluidization velocity, and then make a quality of fluidization of bed lower. Usingwith this investigation results, the mechanism of fouling and slaggingphenomena, which are happen in the coal-fired boiler can be explained.Kata kunci: fluidized bed, minimum fluidization velocity, particle diameter,relative humidity, inter-particle cohesion force
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