Combustion characteristics of high ash Indian coal, wheat straw, wheat husk and their blends

This work presents the combustion studies of high ash coal, wheat straw (WS), wheat husk (WH) and their blends to enhance the combustion performance of high ash coal. Coal, WS and WH were characterized by proximate analysis, ultimate analysis and gross calorific value (GCV) determination. Combustion...

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Autores principales: Pritam Kumar, Barun Kumar Nandi
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Lenguaje:EN
Publicado: KeAi Communications Co., Ltd. 2021
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spelling oai:doaj.org-article:e70f4e23132a48b1af0e18e0d625445e2021-11-30T04:17:09ZCombustion characteristics of high ash Indian coal, wheat straw, wheat husk and their blends2589-299110.1016/j.mset.2021.08.001https://doaj.org/article/e70f4e23132a48b1af0e18e0d625445e2021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2589299121000288https://doaj.org/toc/2589-2991This work presents the combustion studies of high ash coal, wheat straw (WS), wheat husk (WH) and their blends to enhance the combustion performance of high ash coal. Coal, WS and WH were characterized by proximate analysis, ultimate analysis and gross calorific value (GCV) determination. Combustion performance of individual fuel and their blends were assessed by thermogravimetric (TGA) investigation followed by the study of various burning profile parameters such as ignition temperature (Ti), peak temperature (TP), burnout temperature (Tb), ignition index (IIX), combustion characteristics index (CIX) and burnout index (BIX). Experimental results show that coal has poor combustion characteristics compared to WS and WH. After the addition of 20% WS with coal Ti reduces from 383 °C to 257 °C, TP reduces from 452 °C to 287 °C, Tb reduces from 509 °C to 507 °C. Combustion performance indices analysis inferred that after the addition of 20% WH with coal, IIX improved from 2.81 to 5.14 mass2/min2 OC3 and CIX improved from 3.58 to 8.11 mass/min2 °C3. Activation energy (AE) analysis shows that coal having higher AE (82.13 kJ/mol) compared to WS (57.97 kJ/mol) and WH (56.56 kJ/mol). Based on ΔH, ΔG and ΔS analysis it was observed that individual combustion of coal is difficult compared to WS and WH combustion, whereas blending of WS/WH makes the combustion process significantly favorable.Pritam KumarBarun Kumar NandiKeAi Communications Co., Ltd.articleCoalWheat strawWheat huskBurning profileBlendingMaterials of engineering and construction. Mechanics of materialsTA401-492Energy conservationTJ163.26-163.5ENMaterials Science for Energy Technologies, Vol 4, Iss , Pp 274-281 (2021)
institution DOAJ
collection DOAJ
language EN
topic Coal
Wheat straw
Wheat husk
Burning profile
Blending
Materials of engineering and construction. Mechanics of materials
TA401-492
Energy conservation
TJ163.26-163.5
spellingShingle Coal
Wheat straw
Wheat husk
Burning profile
Blending
Materials of engineering and construction. Mechanics of materials
TA401-492
Energy conservation
TJ163.26-163.5
Pritam Kumar
Barun Kumar Nandi
Combustion characteristics of high ash Indian coal, wheat straw, wheat husk and their blends
description This work presents the combustion studies of high ash coal, wheat straw (WS), wheat husk (WH) and their blends to enhance the combustion performance of high ash coal. Coal, WS and WH were characterized by proximate analysis, ultimate analysis and gross calorific value (GCV) determination. Combustion performance of individual fuel and their blends were assessed by thermogravimetric (TGA) investigation followed by the study of various burning profile parameters such as ignition temperature (Ti), peak temperature (TP), burnout temperature (Tb), ignition index (IIX), combustion characteristics index (CIX) and burnout index (BIX). Experimental results show that coal has poor combustion characteristics compared to WS and WH. After the addition of 20% WS with coal Ti reduces from 383 °C to 257 °C, TP reduces from 452 °C to 287 °C, Tb reduces from 509 °C to 507 °C. Combustion performance indices analysis inferred that after the addition of 20% WH with coal, IIX improved from 2.81 to 5.14 mass2/min2 OC3 and CIX improved from 3.58 to 8.11 mass/min2 °C3. Activation energy (AE) analysis shows that coal having higher AE (82.13 kJ/mol) compared to WS (57.97 kJ/mol) and WH (56.56 kJ/mol). Based on ΔH, ΔG and ΔS analysis it was observed that individual combustion of coal is difficult compared to WS and WH combustion, whereas blending of WS/WH makes the combustion process significantly favorable.
format article
author Pritam Kumar
Barun Kumar Nandi
author_facet Pritam Kumar
Barun Kumar Nandi
author_sort Pritam Kumar
title Combustion characteristics of high ash Indian coal, wheat straw, wheat husk and their blends
title_short Combustion characteristics of high ash Indian coal, wheat straw, wheat husk and their blends
title_full Combustion characteristics of high ash Indian coal, wheat straw, wheat husk and their blends
title_fullStr Combustion characteristics of high ash Indian coal, wheat straw, wheat husk and their blends
title_full_unstemmed Combustion characteristics of high ash Indian coal, wheat straw, wheat husk and their blends
title_sort combustion characteristics of high ash indian coal, wheat straw, wheat husk and their blends
publisher KeAi Communications Co., Ltd.
publishDate 2021
url https://doaj.org/article/e70f4e23132a48b1af0e18e0d625445e
work_keys_str_mv AT pritamkumar combustioncharacteristicsofhighashindiancoalwheatstrawwheathuskandtheirblends
AT barunkumarnandi combustioncharacteristicsofhighashindiancoalwheatstrawwheathuskandtheirblends
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