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All Journal Jurnal Kimia Mulawarman
Aman S. Panggabean
Jurusan Kimia FMIPA UNMUL
Chemistry

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PENENTUAN KUALITAS AIR SUMUR BOR DI DAERAH MARANGKAYU KABUPATEN KUTAI KARTANEGARA Yessy Parasamya Anggraini; Marlon Ivanhoe Aipassa; Aman S. Panggabean
JURNAL KIMIA MULAWARMAN Vol 17 No 2 (2020)
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jkm.v17i2.912

Abstract

The research about determination of the quality of drilled water wells in the area of Marangkayu, Kutai Kertanegara district has been conducted. The quality of the wellbore produced can be done by determining the number of several important parameters of the wellbore’s groundwater quality of groundwater wells produced by the Director General of SDA Ministry of PUPR and community groundwater wells in the coastal area of Marangkayu, whether it meets the requirements of the Republic of Indonesia Minister of Health Regulation No. 32/2017 concerning Environmental Health Standard Quality Standards and Water Health Requirements for Sanitation Hygiene. The results of the research showed that the government drilled water and community well drilled water met the quality standards in accordance with the Republic of Indonesia Ministerial Regulation No. 32/2017, except for E. Coli and Total Coliform contents are quite high, exceeding the quality standards of water sample inspection results.
PEMBUATAN BIOETANOL DARI BIJI JEWAWUT (Setaria italica) DENGAN PROSES HIDROLISIS ENZIMATIS DAN FERMENTASI OLEH Saccharomyces cerevisiae I Wayan Arief Pradana Putra; Rudi Kartika; Aman S. Panggabean
JURNAL KIMIA MULAWARMAN Vol 14 No 2 (2017)
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Bioethanol production as a biofuels successor fossil fuels from jewawut seed (Setaria italica) through enzymatic hydrolysis process and fermentation use Saccharomyces cerevisiae has been carried out. This research aimed to determine levels of bioethanol production by various concentration of nutrients added and variation time of fermentation. Hydrolysis process by enzymatic through a liquefaction phase with -amylase and saccharification phase with gluco-amylase. Fermentation process by Spirulina sp. as a sources of nutrients. The result of hydrolysis was fermented by Spirulina sp. added with various at 0,5%; 1,05 and 1,5% (w/v), and then with variation time of fermentation at 5, 7 and 9 days. The highest concentration of bioethanol obtained are in addition of Spirulina sp. at 1,0% (w/v) for 7 days. The result of concentration obtained from density method was 88% and from gas chromatography method was 93,096%.
Co-Authors Aipassa, Marlon Ivanhoe I Wayan Arief Pradana Putra Rudi Kartika, Rudi Yessy Parasamya Anggraini