Article Per Year (5 Year)
p-Index From 2019 - 2024
0
P-Index
This Author published in this journals
All Journal JURNAL TEKNOLOGI LINGKUNGAN Jurnal Energi dan Lingkungan (Enerlink)
Hanies Ambarsari
Unknown Affiliation
Energy Environmental Science

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
POTENSI MIKROBA PENITRIFIKASI KAWASAN PERTAMBAKAN UDANG TANJUNG PASIR, TANGERANG Wage Komarawidjaja; Hanies Ambarsari
Jurnal Teknologi Lingkungan Vol. 2 No. 3 (2001): 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 (576.745 KB) | DOI: 10.29122/jtl.v2i3.222

Abstract

High concentration of ammonia in shrimps pond sediment due to the accumulation of feed excessive will become negative impact to the shrimp culture. Therefore, increasing the indigenous microbial abilities in minimizing toxicity effect of ammonia through biotransformation of ammonia into nitrite and nitrate is very important for shrimp growth and health.Isolation and identification of nitrifying microbes has been done. The number of microbes isolated form shrimps pond are six namely 2p, 2k, 3p, 1p, 3k, and 2. The number of isolated microbes in aquaculturing pond (T-bd) is five and in post harvest pond (T-pp) is three.In T-bd samples, autotroph nitrifying microbes are 2(k), 2(p) and 3(p), but 1(p) and 3(k) as heterotroph nitrifying microbes. And in T-pp samples, autotroph nitrifying microbe is 3(p), except 2 and 3(k) as heterotroph nitrifying microbes. The rank of effectivness In nitrifying activity is 2k, 3p and 2p respectively.
ACETONE-BUTANOL-ETHANOL FERMENTATION FOR BIOENERGY USING VARIOUS SUBSTRATES IN DEFINED TYA MEDIA Hanies Ambarsari; Kenji Sonomoto
Jurnal Energi dan Lingkungan (Enerlink) Vol. 11 No. 1 (2015)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v11i1.1590

Abstract

A series of experiments had been conducted to investigate the performance of Clostridiumsaccharoperbutylacetonicum strain N1-4 (ATCC 13564) in direct fermentation of acetone, butanol, andethanol (ABE) using several substrates that have not been investigated previously using this strain,such as cellobiose, dextrin, starches of corn, potato, tapioca, wheat, and sago, as well as morecomplex carbohydrates such as xylans, cellulose, and carboxyl methyl cellulose (CMC), particularly tostudy the effect of such various substrate types and concentrations, as well as the substrates mixtureson the ABE ratio and productivity. The results showed that strain N1-4 could directly produce ABE fromvarious substrates, from monosaccharide to polysaccharides of hexose or pentose sugars, exceptCMC and cellulose. The experiments also suggested that cellobiose (a hexose disaccharide) could bethe more efficient substrate for strain N1-4 than glucose (a monosaccharide) to produce ABE in the TYA(Tryptone Yeast Agar) medium. It was proven also that the ABE ratio was very dependent on the typeand concentration of substrates being used by strain N1-4.Keywords: acetone, butanol, ethanol, clostridium saccharoperbutylacetonicum N1-4, fermentation
Co-Authors Kenji Sonomoto Wage Komarawidjaja