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Asyeni Miftahul Jannah
Jurusan Teknik Kimia, Fakultas Teknik, Universitas Sriwijaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics

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Journal : Kinetika

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DELIGNIFICATION BY USING ALKALINE-ACID PRETREATMENT ON BIOETHANOL PRODUCTION FROM RICE STRAW Jannah, Asyeni Miftahul
KINETIKA Vol 4, No 2 (2013): KINETIKA 01072013
Publisher : Teknik Kimia Politeknik Negeri Sriwijaya

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Abstract

Rice straw as agricultural waste contains cellulose that potentially to produce ethanol. However, it has lignin content that will inhibit the enzyme in converting glucose into ethanol. In this research, pretreatment steps aim to release and breakdown lignin in rice straw. Pretreatment was conducted in two phases, alkaline pretreatment using NaOH (1%,2%,3%,4%,and 5%) and acid pretreatment using 1% H2SO4 with various heating time (30, 60, 90, 120 and 150 minutes) and used for ethanol production by means of Simultaneous Sacchari?cation and Fermentation (SSF) with cellulose enzyme and Saccharomyces Cerevisiae. The results showed that higher NaOH concentration using on alkaline pretreatment and longer heating time on acid pretreatment made morbe degraded lignin content. The highest ethanol content produced was 48.38% from delignification treatment with NaOH concentration of 5% and acid pretreatment time of 150 minutes.
Co-Authors Adelia Rahmayanti Amalia, Renanda Amin, Achmad Reza Aditya Bazlina Dawami Afrah Bonawati, Annisa Cundari, Lia Dyos Santoso Enggal Nurisman Faisal Akbar Adin Fitria, Syarifah Hani, Indry Permata Hermansyah Indah Wahyuni Melwita, Elda Muhammad Alik Aziz Muhammad Yerizam Muhammad Yerizam Nabila Rasya Novia Novia Nuraini D Pratiwi Patrick Rudy Meizakh Pratama, Muhammad Yori Pritania, Alya Dewi Putri Andini, Handalia Riani Muharomah, Riani Savrinda, Cynthia Tamzil Aziz Titi Lahanda Tuty Emilia Agustina Vishnu K Pareek Wulan Ayum Larasati Yandriani Yandriani