Study of initial alkali charge effects on properties of soda beech pulp by regression models

In this work effect of initial alkali charge were investigated on the yield and kappa number of soda beech pulp and alkali consumption pattern. The results indicated that, the regression models are useful for studying the relations between yield, kappa number and alkali consumption. Soda cooking was...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Davod Efhami, Mohammad reza Dehghani
Formato:	article
Lenguaje:	FA
Publicado:	Regional Information Center for Science and Technology (RICeST) 2011
Materias:	Regression models alkalinity yield kappa number beech Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/521277a3cdcf498082aaa7bb9b12f05d
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:521277a3cdcf498082aaa7bb9b12f05d
record_format	dspace
spelling	oai:doaj.org-article:521277a3cdcf498082aaa7bb9b12f05d2021-12-02T07:43:20ZStudy of initial alkali charge effects on properties of soda beech pulp by regression models1735-09132383-112X10.22092/ijwpr.2018.117181https://doaj.org/article/521277a3cdcf498082aaa7bb9b12f05d2011-06-01T00:00:00Zhttp://ijwpr.areeo.ac.ir/article_117181_15f6fe36af02a08ab445a33b769b0a60.pdfhttps://doaj.org/toc/1735-0913https://doaj.org/toc/2383-112XIn this work effect of initial alkali charge were investigated on the yield and kappa number of soda beech pulp and alkali consumption pattern. The results indicated that, the regression models are useful for studying the relations between yield, kappa number and alkali consumption. Soda cooking was performed in 30, 40, 50, 60 and 70 gr.lit-1 initial alkali concentration and five different cooking times. The chips dimensions were in the range of 3-5 cm length, 1-2 cm width and 0.05 cm thickness. The results showed that increasing of alkali charge decreased the time of cooking in the same yield or kappa number. Deligninifaction decreased significantly in kappa number lower than 30. In the same kappa number, increased alkali charge gave a lower yield. The alkali consumption was regularly decreased with increasing of initial alkali charge from 30 to 70 gr/lit, but alkali charge consumption pattern varied in less and more than 30 kappa numbers.Davod EfhamiMohammad reza DehghaniRegional Information Center for Science and Technology (RICeST)articleRegression modelsalkalinityyieldkappa numberbeechForestrySD1-669.5FAتحقیقات علوم چوب و کاغذ ایران, Vol 26, Iss 2, Pp 219-231 (2011)
institution	DOAJ
collection	DOAJ
language	FA
topic	Regression models alkalinity yield kappa number beech Forestry SD1-669.5
spellingShingle	Regression models alkalinity yield kappa number beech Forestry SD1-669.5 Davod Efhami Mohammad reza Dehghani Study of initial alkali charge effects on properties of soda beech pulp by regression models
description	In this work effect of initial alkali charge were investigated on the yield and kappa number of soda beech pulp and alkali consumption pattern. The results indicated that, the regression models are useful for studying the relations between yield, kappa number and alkali consumption. Soda cooking was performed in 30, 40, 50, 60 and 70 gr.lit-1 initial alkali concentration and five different cooking times. The chips dimensions were in the range of 3-5 cm length, 1-2 cm width and 0.05 cm thickness. The results showed that increasing of alkali charge decreased the time of cooking in the same yield or kappa number. Deligninifaction decreased significantly in kappa number lower than 30. In the same kappa number, increased alkali charge gave a lower yield. The alkali consumption was regularly decreased with increasing of initial alkali charge from 30 to 70 gr/lit, but alkali charge consumption pattern varied in less and more than 30 kappa numbers.
format	article
author	Davod Efhami Mohammad reza Dehghani
author_facet	Davod Efhami Mohammad reza Dehghani
author_sort	Davod Efhami
title	Study of initial alkali charge effects on properties of soda beech pulp by regression models
title_short	Study of initial alkali charge effects on properties of soda beech pulp by regression models
title_full	Study of initial alkali charge effects on properties of soda beech pulp by regression models
title_fullStr	Study of initial alkali charge effects on properties of soda beech pulp by regression models
title_full_unstemmed	Study of initial alkali charge effects on properties of soda beech pulp by regression models
title_sort	study of initial alkali charge effects on properties of soda beech pulp by regression models
publisher	Regional Information Center for Science and Technology (RICeST)
publishDate	2011
url	https://doaj.org/article/521277a3cdcf498082aaa7bb9b12f05d
work_keys_str_mv	AT davodefhami studyofinitialalkalichargeeffectsonpropertiesofsodabeechpulpbyregressionmodels AT mohammadrezadehghani studyofinitialalkalichargeeffectsonpropertiesofsodabeechpulpbyregressionmodels
_version_	1718399223943135232

Study of initial alkali charge effects on properties of soda beech pulp by regression models

Ejemplares similares