Microwave-Assisted Alkaline Hydrolysis Treatment in Durian Seed Starch Bioethanol Production A D Pramiesta, Yheni Mulyaningsih, H C Theofany, Y. Mulyaningsih, H B Aditiya
Sampoerna University
Abstract
Second generation bioethanol which is produced by utilizing non-edible feedstock and agricultural waste become an alternative in reducing the usage of fossil fuel. The abundance of durian in Indonesia reaches the production of 1.1 million per 2018 and has not been utilized widely. Several hydrolysis methods were proposed in order to yield the fermentable sugar for further process of bioethanol production. Reducing sugar obtained from the hydrolysis process is the important data before undergoing the fermentation. This paper focuses on the value of reducing sugar for 3%-5% w/v substrate loading under microwave-assisted alkaline hydrolysis treatment of durian seed starch. Constant alkaline concentration and microwave power with heating duration of 2-4 minutes are observed. The highest yield of reducing sugar is favourable to be furtherly utilized in the next process of bioethanol production.
