Hydrothermal gasification of pure and crude glycerol in supercritical water: A comparative study

被引：26

作者：

Dianningrum, Laras W. ^{[1
,2
]}

Choi, Haemin ^{[1
]}

Kim, Yunje ^{[1
]}

Jung, Kwang-Deog ^{[1
]}

Susanti, Ratna F. ^{[3
]}

Kim, Jaehoon ^{[4
,5
]}

Sang, Byung-In ^{[6
]}

机构：

[1] Korea Inst Sci & Technol, Clean Energy Res Ctr, Seoul 136791, South Korea

[2] Univ Sci & Technol, Dept Clean Energy & Chem Engn, Taejon 305333, South Korea

[3] Parahyangan Catholic Univ, Ind Technol Fac, Dept Chem Engn, Bandung 40141, West Java, Indonesia

[4] Sungkyunkwan Univ, Sch Mech Engn, Suwon 440746, Gyeong Gi Do, South Korea

[5] SAINT, Suwon 440746, Gyeong Gi Do, South Korea

[6] Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

Hydrogen; Crude glycerol; Supercritical water; FAMEs; Batch system; Continuous system; BIOMASS GASIFICATION; HYDROGEN-PRODUCTION; COKE FORMATION; HEATING RATE; GLUCOSE; PYROLYSIS; PRODUCTS; HYDROPYROLYSIS; CONVERSION; KINETICS;

D O I：

10.1016/j.ijhydene.2013.10.139

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A comparative gasification study between pure glycerol and two different kinds of crude glycerol is conducted in supercritical water under various operating parameters to investigate the effect of different compositions in crude glycerol on the gasification behaviors. Among various types of impurities in the crude glycerol, fatty acid methyl esters (FAMEs) exhibit a negative effect on the gas yield and gasification efficiency of crude glycerol in a batch apparatus due to the enhanced tar/char formation. At 650 degrees C and 5 wt%, gasification in a continuous apparatus exhibits H-2 yields of 26.44 and 35.85 mmol/g feed in 1 min for both types of crude glycerol, which could not be achieved by the batch system even with the reaction time extended up to 120 min. A shorter duration in the non-supercritical state may be the dominant parameter that leads to complete conversion of FAMEs and total gasification of crude glycerol using the continuous system. Crown Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：1262 / 1273

页数：12

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