Results 81 to 90 of about 10,608,979 (207)

A importância relativa da densidade da madeira e do teor de carboidratos no rendimento de polpa e na qualidade do produto

open access: yesCiência Florestal, 2008
The purpose of this study was to evaluate basic density, chemical composition and fiber dimensions of ten Eucalyptus sp wood samples and to verify the impact of this set of parameters and their combination on the Kraft pulping process yield and on ...
Alfredo Mokfienski   +3 more
doaj  

Theoretical model of the kraft pulping process [PDF]

open access: yesIndustrial & Engineering Chemistry Process Design and Development, 1983
Richard R. Gustafson   +3 more
openaire   +1 more source

Adição de antraquinona na polpação alcalina de Eucalyptus saligna

open access: yesCiência Florestal, 2000
The present work evaluated different alkaline pulping conditions for Eucalyptus saligna wood. The objective was to evaluate the influence of the anthraquinone (AQ) on the reduction of the total reduced sulfur (TRS) in the aerial emissions, by reducing ...
Lúcia Helena Jerônimo   +2 more
doaj  

Handbook of pulping and papermaking /

open access: yes, 1996
In its Second Edition, Handbook of Pulping and Papermaking is a comprehensive reference for industry and academia. The book offers a concise yet thorough introduction to the process of papermaking from the production of wood chips to the final testing ...
Biermann, Christopher J.
core  

Recovery of inorganic compounds from spent alkaline pulping liquor by eutectic freeze crystallization and supporting unit operations: A Review

open access: yesBioResources, 2018
After the kraft or soda pulping of lignocellulosic materials to produce pulp suitable for papermaking, the spent pulping liquor typically has been recovered by multi-effect evaporation, followed by incineration in a recovery boiler.
Martin A. Hubbe   +7 more
doaj   +1 more source

Annual program review chemical pulping and bleaching.

open access: yes, 1997
"March 24, 1997."Environmentally compatible production of bleached chemical pulp: project F013 / T.J. McDonough ... [et al.] ; Fundamentals of bleaching chemistry: project F015 / D. Dimmel ... [et al.] ; High efficiency bleaching / Art J.
Courchene, Charles E.   +11 more
core   +1 more source

Detailed modeling of the kraft pulping chemistry : carbohydrate reactions

open access: yes, 2020
The article introduces a detailed model for carbohydrate chemistry in kraft pulping. This article is continuation to the modeling work carried out for hot water extraction and chemical pulp bleaching.
Kuitunen, S,   +20 more
core   +1 more source

Research on silicon removal with oxides addition in kraft pulping of bamboo

open access: yes, 2011
High silica content of bamboo results in a silica problem during the chemical recovery process. The lime mud of bamboo cannot be reused after the causticization process due to its high silica content. Therefore, it was discharged as solid waste. To solve
Li, P, Song, S, Zhang, M, Zhao, L
core  

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