Parametric and kinetic study of washing pretreatment for K and Cl removal from rice husk

Rice husk is an abundant agricultural waste that can be used in combustion applications. The use of agricultural waste in combustion applications is hindered by slagging, fouling, and corrosion due to elements such as K, Cl, and Si. With the aim of removing those problematic elements using water was...

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Autores principales:	Melani Anuradha Peiris, Duleeka Sandamali Gunarathne
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Rice husk Washing Alkali Potassium Chlorine Leaching kinetics Science (General) Q1-390 Social sciences (General) H1-99
Acceso en línea:	https://doaj.org/article/15443abd8458452fbfe74d80a77ea36c
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spelling	oai:doaj.org-article:15443abd8458452fbfe74d80a77ea36c2021-12-02T05:03:01ZParametric and kinetic study of washing pretreatment for K and Cl removal from rice husk2405-844010.1016/j.heliyon.2021.e08398https://doaj.org/article/15443abd8458452fbfe74d80a77ea36c2021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2405844021025019https://doaj.org/toc/2405-8440Rice husk is an abundant agricultural waste that can be used in combustion applications. The use of agricultural waste in combustion applications is hindered by slagging, fouling, and corrosion due to elements such as K, Cl, and Si. With the aim of removing those problematic elements using water washing, lab-scale experiments were conducted to study the effect of washing parameters; temperature, time, and liquid to solid ratio and to recommend suitable washing conditions. The washing temperature of 65 °C and liquid to solid ratio of 100 was selected as the best process conditions. Within 10 min of washing time, 75% of Cl and 50% of K can be removed. Pseudo-second-order kinetic model is suitable to describe the leaching behavior, and the kinetic parameters were obtained for the leaching of K and Cl. In industrial installations, hot condensate from process use of steam can be recommended as a good source of washing medium.Melani Anuradha PeirisDuleeka Sandamali GunarathneElsevierarticleRice huskWashingAlkaliPotassiumChlorineLeaching kineticsScience (General)Q1-390Social sciences (General)H1-99ENHeliyon, Vol 7, Iss 11, Pp e08398- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Rice husk Washing Alkali Potassium Chlorine Leaching kinetics Science (General) Q1-390 Social sciences (General) H1-99
spellingShingle	Rice husk Washing Alkali Potassium Chlorine Leaching kinetics Science (General) Q1-390 Social sciences (General) H1-99 Melani Anuradha Peiris Duleeka Sandamali Gunarathne Parametric and kinetic study of washing pretreatment for K and Cl removal from rice husk
description	Rice husk is an abundant agricultural waste that can be used in combustion applications. The use of agricultural waste in combustion applications is hindered by slagging, fouling, and corrosion due to elements such as K, Cl, and Si. With the aim of removing those problematic elements using water washing, lab-scale experiments were conducted to study the effect of washing parameters; temperature, time, and liquid to solid ratio and to recommend suitable washing conditions. The washing temperature of 65 °C and liquid to solid ratio of 100 was selected as the best process conditions. Within 10 min of washing time, 75% of Cl and 50% of K can be removed. Pseudo-second-order kinetic model is suitable to describe the leaching behavior, and the kinetic parameters were obtained for the leaching of K and Cl. In industrial installations, hot condensate from process use of steam can be recommended as a good source of washing medium.
format	article
author	Melani Anuradha Peiris Duleeka Sandamali Gunarathne
author_facet	Melani Anuradha Peiris Duleeka Sandamali Gunarathne
author_sort	Melani Anuradha Peiris
title	Parametric and kinetic study of washing pretreatment for K and Cl removal from rice husk
title_short	Parametric and kinetic study of washing pretreatment for K and Cl removal from rice husk
title_full	Parametric and kinetic study of washing pretreatment for K and Cl removal from rice husk
title_fullStr	Parametric and kinetic study of washing pretreatment for K and Cl removal from rice husk
title_full_unstemmed	Parametric and kinetic study of washing pretreatment for K and Cl removal from rice husk
title_sort	parametric and kinetic study of washing pretreatment for k and cl removal from rice husk
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/15443abd8458452fbfe74d80a77ea36c
work_keys_str_mv	AT melanianuradhapeiris parametricandkineticstudyofwashingpretreatmentforkandclremovalfromricehusk AT duleekasandamaligunarathne parametricandkineticstudyofwashingpretreatmentforkandclremovalfromricehusk
_version_	1718400693558050816

Parametric and kinetic study of washing pretreatment for K and Cl removal from rice husk

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