Spent tea waste as a biomass for co-gasification enhances the performance of semi-industrial gasifier working on groundnut shell

M, Anjan Augustine; Singh, V. Christus Jeya; S, Joseph Sekhar

doi:10.1016/j.biombioe.2021.105964

Cited by 15 publications

(2 citation statements)

References 33 publications

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“…Rice husks were chosen as fuel in this study because this fuel has many problems when gasified even though it uses a gasifier without a thoroatless area such as an updraft. This is because it is very light and has a low bulk density so the fuel flow in the reactor is not smooth, which in turn results in the gasification reaction not taking place properly to ensure the stability of the producer gas produced [21]. The ultimate analysis of rice husks is shown in Table 1.…”

Section: Methodsmentioning

confidence: 99%

Experimental Biomass Gasification in Updraft Gasifier with Gas Outlet at Reduction Zone and Air Supply using Suction Blower

Fajri Vidian,

Abetnego Situmeang,

Heni Fitriani

et al. 2024

ARFMTS

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Rice husk gasification is increasingly attractive, particularly with updraft gasifier type, because of its simple construction and ease of operation. However, updraft gasifier has a disadvantage of generating substantial amounts of tar. Tar will decompose into combustible gas when exposed to high temperatures. The reduction zone has a high temperature for tar decomposition to occur. Therefore, in this research, updraft gasifier was modified by positioning gas outlet at the reduction zone and inducing gasification air supply using a blower. Modifications are made by moving the gas outlet from the top to the middle or reduction area. The initial start-up of the system uses a blown air supply system, then after the syngas are produced by the operation, it is replaced with a sucked air supply. Two blowers are used, namely an exhalation or blowing blower for initial start and a suction blower for continuous operation. The fuel used was low bulk density, specifically rice husks. The aim was to characterize the modified gasifier, focusing on parameters such as operating time, duration of gas combustion, air-to-rice husks ratio, and flame color. Typically, the experiments were conducted under constant of air velocity and fuel quantity. The results showed that the average operating time, duration of flammable gas, and air-to-rice husks ratio were 74.25 minutes, 52.28 minutes, and 7.6 kg air/kg husk, respectively, and the flame produced was a bluish-yellow color that indicates a reduction tar.

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Section: Methodsmentioning

confidence: 99%

Experimental Biomass Gasification in Updraft Gasifier with Gas Outlet at Reduction Zone and Air Supply using Suction Blower

Fajri Vidian,

Abetnego Situmeang,

Heni Fitriani

et al. 2024

ARFMTS

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“…This indicates that the entire process of biomass growth and utilization is zero emission. However, biomass has low energy density, low gasification temperature and high transportation cost [8][9][10], which greatly limits the large-scale utilization of biomass.…”

Section: Introductionmentioning

confidence: 99%

Synergistic Effects between Lignin, Cellulose and Coal in the Co-Pyrolysis Process of Coal and Cotton Stalk

et al. 2023

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In this work, Qiqunahu (QQH) coal, cotton stalk, cellulose and lignin extracted from cotton stalk were selected as raw materials to study the effects of the co-pyrolysis of coal and cotton stalk. Online thermogravimetric mass spectrometry (TG-MS) was used to analyse mass loss and gas release characteristics during co-pyrolysis. The results reveal that the mixture of cotton stalk and coal can significantly enhance the reactivity of the blends and promote the formation of effective gas. The cellulose in the cotton stalk promotes the generation of H2 and CO2 during the co-pyrolysis of coal and cotton stalks. Lignin promotes the production of CH4 and CO2. Cellulose and lignin show an inhibitory effect on the precipitation of small molecular weight hydrocarbon gases during co-pyrolysis. This study provides a better understanding for the co-pyrolysis of biomass and coal.

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Blended formaldehyde adhesive bonded particleboards made from groundnut shell and rice husk wastes

Akinyemi

Kolajo

Adedolu

2022

Clean Techn Environ Policy

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Spent tea waste as a biomass for co-gasification enhances the performance of semi-industrial gasifier working on groundnut shell

Cited by 15 publications

References 33 publications

Experimental Biomass Gasification in Updraft Gasifier with Gas Outlet at Reduction Zone and Air Supply using Suction Blower

Experimental Biomass Gasification in Updraft Gasifier with Gas Outlet at Reduction Zone and Air Supply using Suction Blower

Synergistic Effects between Lignin, Cellulose and Coal in the Co-Pyrolysis Process of Coal and Cotton Stalk

Blended formaldehyde adhesive bonded particleboards made from groundnut shell and rice husk wastes

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