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Bioethanol is a derivate product from cassava that is thoroughly developed nowadays. Bioethanol pilot plant in Laboratorium Pilot Program Studi Teknik Kimia Institut Teknologi Bandung has applied the procedure that had been tested in laboratory scale in 2005. Pilot plant ability to produce ethanol h...

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Main Author: (NIM 13003002), LINDAWATI
Format: Final Project
Language:Indonesia
Online Access:https://digilib.itb.ac.id/gdl/view/10807
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Institution: Institut Teknologi Bandung
Language: Indonesia
id id-itb.:10807
spelling id-itb.:108072017-09-27T11:39:35Z#TITLE_ALTERNATIVE# (NIM 13003002), LINDAWATI Indonesia Final Project INSTITUT TEKNOLOGI BANDUNG https://digilib.itb.ac.id/gdl/view/10807 Bioethanol is a derivate product from cassava that is thoroughly developed nowadays. Bioethanol pilot plant in Laboratorium Pilot Program Studi Teknik Kimia Institut Teknologi Bandung has applied the procedure that had been tested in laboratory scale in 2005. Pilot plant ability to produce ethanol has been proven in broth fermentation capacity 10 liters per day with ethanol concentration 8-9%-v. One program of bioethanol roadmap research in 2006 is to increase productivity and workrate of &#945;-amylase dan glukoamylase Aspergillus niger for saccharification in bioethanol production.<p> <br /> <br /> <br /> The objective of this research is to determine optimum condition of starch saccharification. The workrate of amylase enzyme extract is analyzed with iodine to determine the workrate of &#945;-amylase and Somogyi-Nelson to determine the workrate oh glukoamylase. Researched variable to determine the optimum performance condition of amilase extract enzyme are acidity (pH 3,5-8), temperature (25-80 derajat C), Ca2+ concentration (25-200 ppm), substrat concentration (0,5-20 %-b/v), and enzyme percentage (5-50%-v). <br /> <br /> <br /> The results of this research show that the optimum condition for amylase are pH 4,5, temperature 60 degrees C, Ca2+ concentration 75 ppm, and substrat concentration 7 %-b/v. The workrate of amylase enzyme extract is increasing with the increasing in amount of enzyme percentage, but the increasing is limited by glucose concentration in enzyme because high glucose concentration enforce product inhibiton of enzyme. text
institution Institut Teknologi Bandung
building Institut Teknologi Bandung Library
continent Asia
country Indonesia
Indonesia
content_provider Institut Teknologi Bandung
collection Digital ITB
language Indonesia
description Bioethanol is a derivate product from cassava that is thoroughly developed nowadays. Bioethanol pilot plant in Laboratorium Pilot Program Studi Teknik Kimia Institut Teknologi Bandung has applied the procedure that had been tested in laboratory scale in 2005. Pilot plant ability to produce ethanol has been proven in broth fermentation capacity 10 liters per day with ethanol concentration 8-9%-v. One program of bioethanol roadmap research in 2006 is to increase productivity and workrate of &#945;-amylase dan glukoamylase Aspergillus niger for saccharification in bioethanol production.<p> <br /> <br /> <br /> The objective of this research is to determine optimum condition of starch saccharification. The workrate of amylase enzyme extract is analyzed with iodine to determine the workrate of &#945;-amylase and Somogyi-Nelson to determine the workrate oh glukoamylase. Researched variable to determine the optimum performance condition of amilase extract enzyme are acidity (pH 3,5-8), temperature (25-80 derajat C), Ca2+ concentration (25-200 ppm), substrat concentration (0,5-20 %-b/v), and enzyme percentage (5-50%-v). <br /> <br /> <br /> The results of this research show that the optimum condition for amylase are pH 4,5, temperature 60 degrees C, Ca2+ concentration 75 ppm, and substrat concentration 7 %-b/v. The workrate of amylase enzyme extract is increasing with the increasing in amount of enzyme percentage, but the increasing is limited by glucose concentration in enzyme because high glucose concentration enforce product inhibiton of enzyme.
format Final Project
author (NIM 13003002), LINDAWATI
spellingShingle (NIM 13003002), LINDAWATI
#TITLE_ALTERNATIVE#
author_facet (NIM 13003002), LINDAWATI
author_sort (NIM 13003002), LINDAWATI
title #TITLE_ALTERNATIVE#
title_short #TITLE_ALTERNATIVE#
title_full #TITLE_ALTERNATIVE#
title_fullStr #TITLE_ALTERNATIVE#
title_full_unstemmed #TITLE_ALTERNATIVE#
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url https://digilib.itb.ac.id/gdl/view/10807
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