The effect of dolomite addictive ratio on torrified cassava rhizome in the biomass combustion process

被引：0
作者：
Thuchayapong N. [1 ]
Tharawadee N. [1 ]
机构：
[1] Department of Mechanical Engineering, Faculty of Engineering and Industrial Technology, Silpakorn University, Sanamchandra Campus, Rachamanka Rd., Muang district, Nakhonpathom
来源：
Defect and Diffusion Forum | 2021年 / 407卷
关键词：
Additive; Biomass; Dolomite; Optimum ratio; Useful heat;
D O I：
10.4028/www.scientific.net/DDF.407.113
中图分类号：
学科分类号：
摘要：
This research studies on the effect of additive (Dolomite) on Biomass powder (Cassava rhizome) which passes Torrefied process and fixed bed at 250 degrees Celsius for one hour and a half. The gasifier with up-draft type was used in this experiment. Air pressure was fixed at 0. 1.Bar. The useful heat (Quseful) and Low heating valves (LHV) was investigated by using an Automatic Bomb Calorimeter. Moreover, the dolomite was varied 0, 10 and 15% by weight mixed with Cassava rhizome achieved with Torrefied process. When Low heating valves (LHV) slightly decreases from 21.96±0.22 MJ/kg to 18.15±0.50 MJ/kg, Quseful heat from the burning from gasifier sharply increase when it is mixed with dolomite from 753.34±39.18 to 1,003.97±33.49KJ respectively. The loading of dolomite has significance affecting the useful heat. The present study reveals that low heating valves (LHV) decreases and Quseful heat increase result from dolomite which gives a clean gas product and the Tar molecule can be easily broken. The CO2 gas from the combustion process was absorbed by CaO, which is the main component in dolomite. The cost of mixing 8.9% of Dolomite with Cassava rhizome is the optimum ratio for the biomass combustion process. © 2021 Trans Tech Publications Ltd, Switzerland.
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页码：113 / 120
页数：7
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