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All Journal JURNAL SAINS DAN TEKNOLOGI INDONESIA MESIN Jurnal Energi dan Lingkungan (Enerlink) Jurnal Teknologi Energi
Bambang Suwondo Rahardjo
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Computer Science & IT Education Energy Mechanical Engineering

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Journal : JURNAL SAINS DAN TEKNOLOGI INDONESIA

 1 
RANCANGAN DASAR GASIFIER BATUBARA SIRKULASI UNGGUN MENGAMBANG UNTUK MEMBANGKITKAN LISTRIK 1 MW Rahardjo, Bambang Suwondo; Sutrisna, I Putu
Jurnal Sains dan Teknologi Indonesia Vol. 9 No. 2 (2007)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (645.185 KB) | DOI: 10.29122/jsti.v9i2.774

Abstract

There are 3 choices in accommodating power station facility which have been installed to fulfill standard regulation of environmental quality which progressively tighten. Firstly, facility modification of pulverized–coal fired power plant by applying a flue–gas desulfurisation technology throw away to cost money installation of tired which can 20% of total cost development of it. Secondly, modification system of coal fired power generation become natural gas combined cycle (NGCC) can reach low emission, but fuel cost relatively high, so will influence the electricity generating cost. Third, modification system of electric generation which have been installed by utilizing a mechanism of coal gasification is most efficient and best alternative to yield an environmental friendly of electric generation combined cycle. In this paper, writer try to make a basic design of circulating fluidized–bed coal gasifier using clay catalist related on third choice which expected applicable in the next future to come replace power station system which have ended a period as well as newly even if.
PROSPEK BRIKET BATUBARA LIGNIT SEBAGAI BAHAN BAKAR ALTERNATIF SEKTOR RUMAH TANGGA DAN INDUSTRI KECIL Rahardjo, Bambang Suwondo; Yusniati, Yusniati
Jurnal Sains dan Teknologi Indonesia Vol. 9 No. 2 (2007)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (62.647 KB) | DOI: 10.29122/jsti.v9i2.772

Abstract

Market coal briquette compartment in Indonesia is estimated still big enough,considering kerosene and firewood which was usually used as small industrialand rural household sector fuel progressively scarce and costly if without subsidy.Coal briquette of lignit made of low rank coal without carbonization process and without binder, so that can become alternative fuel which is competitif, safe, efficient and environmental friendliness. Volatile matter content can be decreased by using special design of stove to burn it by fire tongue on the surface of stove to yield completely combustion. Continueing usage of coal briquette as alternative fuel substitution of kerosene and or firewood especially in rural, can be conducted by given system and sustanable supply guarantee, quality improvement, economical charcoal burner device of the environmental friendly, efficiently and routine promotion activities.
STUDI ALIH–FUNGSI CFB BOILER SEBAGAI PEMBANGKIT CO–GENERATION Rahardjo, Bambang Suwondo
Jurnal Sains dan Teknologi Indonesia Vol. 9 No. 2 (2007)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (287.785 KB) | DOI: 10.29122/jsti.v9i2.773

Abstract

Demo–plant CFB boiler 30 ton steam/hour is a granted equipments of cooperation program between BPPT and NEDO Japan in technological study area of CFB Boiler to utilize low–rank coal which functioned as steam consumption supply as well as electricity at production process system in Paper Mill of Basuki Rachmat – Banyuwangi. But outside calculation in the year of 1998, Indonesia occured economic crisis which result activity of construction which have 90% perforced to be discontinued, because PKBR as area owner and construction funder expressed have national debt, so that the asset taken over by BPPN. Since the project activities discontinued, various effort of project solving have been conducted, one of them, BPPT propose study of CFB Boiler displace function as steam and electricity generation (co–generation). In this paper, writer try to elaborate result of study giving 5 option, that is (1) Stand–alone power station, (2) Co–generation 1 (new steam turbine), (3) Co–generation 2 (new steam turbine+cooling tower), (4) Co–generation 3 (existing steam turbine) and (5) Co–generation 4 (existing steam turbine+cooling tower).
Co-Authors I Putu Sutrisna Imron Masfuri Masfuri, Imron Masfuri, Imron Nao Tanaka, Nao Soedjoko Tirtosoekotjo Taufik Yuwono Tirtosoekotjo, Soedjoko Tirtosoekotjo, Soedjoko Yusniati Yusniati Yuwono, Taufik Yuwono, Taufik