INVESTIGATION ON SODA PULPING OF COTTON STALKS

Anatomical, chemical and pulping characteristics of Cotton stalk as a nonwood material.Fiber length, fiber diameter, lemun and cell wall thickness were measured at 24.47, 16.43 and 4.02 mn respectively. Paper making coefficients were also calculated coefficient, flexibility coefficient and ranckl co...

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Autor principal:	Shamohammad Amiri
Formato:	article
Lenguaje:	FA
Publicado:	Regional Information Center for Science and Technology (RICeST) 2005
Materias:	COTTON STALK PULPING SODA yield KAPA NO Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/badb53cb4ccb456bbdbc10f76faac855
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spelling	oai:doaj.org-article:badb53cb4ccb456bbdbc10f76faac8552021-12-02T04:47:41ZINVESTIGATION ON SODA PULPING OF COTTON STALKS1735-09132383-112X10.22092/ijwpr.2005.117582https://doaj.org/article/badb53cb4ccb456bbdbc10f76faac8552005-12-01T00:00:00Zhttp://ijwpr.areeo.ac.ir/article_117582_66198ffc1c4e6061172c9f4bba09c407.pdfhttps://doaj.org/toc/1735-0913https://doaj.org/toc/2383-112XAnatomical, chemical and pulping characteristics of Cotton stalk as a nonwood material.Fiber length, fiber diameter, lemun and cell wall thickness were measured at 24.47, 16.43 and 4.02 mn respectively. Paper making coefficients were also calculated coefficient, flexibility coefficient and ranckl coefficient were calculated at 34.28, 67.14 and 48.93 respectively.Chemical composition of cotton stalk was determined at 47.83%cellulose, 21.66% lignin, 2.13% alcohol-acetone extractives and 2.83% ash.Soda pulping at following variables was investigated. Three levels, of cooking temperature (140, 160 and 180 degree Celsius), three cooking time (30, 40 and 50 minutes) and raw material condition (normal and debarked stalks). Active alkali of 20% (based on NaOH) and liquor to wood ratio of 5: 1 were kept constant for all soda cooks. The optimum combination of variables160 degree Celsius I temperature, 40 minutes time and debarked raw material. The yield and kappa no. of pulp obtained at this cooking condition was 50.4% and 89.15 respectively.Shamohammad AmiriRegional Information Center for Science and Technology (RICeST)articleCOTTON STALKPULPINGSODAyieldKAPA NOForestrySD1-669.5FAتحقیقات علوم چوب و کاغذ ایران, Vol 20, Iss شماره 2, Pp 185-206 (2005)
institution	DOAJ
collection	DOAJ
language	FA
topic	COTTON STALK PULPING SODA yield KAPA NO Forestry SD1-669.5
spellingShingle	COTTON STALK PULPING SODA yield KAPA NO Forestry SD1-669.5 Shamohammad Amiri INVESTIGATION ON SODA PULPING OF COTTON STALKS
description	Anatomical, chemical and pulping characteristics of Cotton stalk as a nonwood material.Fiber length, fiber diameter, lemun and cell wall thickness were measured at 24.47, 16.43 and 4.02 mn respectively. Paper making coefficients were also calculated coefficient, flexibility coefficient and ranckl coefficient were calculated at 34.28, 67.14 and 48.93 respectively.Chemical composition of cotton stalk was determined at 47.83%cellulose, 21.66% lignin, 2.13% alcohol-acetone extractives and 2.83% ash.Soda pulping at following variables was investigated. Three levels, of cooking temperature (140, 160 and 180 degree Celsius), three cooking time (30, 40 and 50 minutes) and raw material condition (normal and debarked stalks). Active alkali of 20% (based on NaOH) and liquor to wood ratio of 5: 1 were kept constant for all soda cooks. The optimum combination of variables160 degree Celsius I temperature, 40 minutes time and debarked raw material. The yield and kappa no. of pulp obtained at this cooking condition was 50.4% and 89.15 respectively.
format	article
author	Shamohammad Amiri
author_facet	Shamohammad Amiri
author_sort	Shamohammad Amiri
title	INVESTIGATION ON SODA PULPING OF COTTON STALKS
title_short	INVESTIGATION ON SODA PULPING OF COTTON STALKS
title_full	INVESTIGATION ON SODA PULPING OF COTTON STALKS
title_fullStr	INVESTIGATION ON SODA PULPING OF COTTON STALKS
title_full_unstemmed	INVESTIGATION ON SODA PULPING OF COTTON STALKS
title_sort	investigation on soda pulping of cotton stalks
publisher	Regional Information Center for Science and Technology (RICeST)
publishDate	2005
url	https://doaj.org/article/badb53cb4ccb456bbdbc10f76faac855
work_keys_str_mv	AT shamohammadamiri investigationonsodapulpingofcottonstalks
_version_	1718401032346664960

INVESTIGATION ON SODA PULPING OF COTTON STALKS

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