Results 61 to 70 of about 28,003 (208)

Communities with diverse subsistence needs require a variety of functional tree traits

open access: yesConservation Science and Practice, Volume 8, Issue 2, February 2026.
Malagasy forest users vary the traits that they prefer for different household uses. Accessibility is prioritized for daily uses such as fuelwood, while functional traits are valued for longer‐term uses. Differences between men and women reflect traditional gender roles.
Minoseheno Rakotovao   +10 more
wiley   +1 more source

Investigation the properties of radiata pine (pinus radiata) wood kraft pulp and paper [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2014
In this study, pulp and handsheets characteristics of radiata pine wood kraft pulp was evaluated. The ratiata pine wood was collected from Chamestan Noor Research Station.
Abas Fakhryan
doaj   +1 more source

Analis Sifat Fisik Kertas Campuran Daur Ulang Dari Kertas Kraft Bekas Kantong Semen Dan Kertas Batang Kelapa Sawit [PDF]

open access: yes, 2009
The result of research accomplished showed that the stem of palm oil plant is able to made as pulp. Choice the caustic process cooking was based on easy to do an a low costoperation. The process has two step activities.
Nasution, Z. A. (Zainal)
core  

Unraveling Lignin's Color Puzzle: From Chromophore Origins to Advanced Decolorization Strategies

open access: yesAggregate, Volume 7, Issue 1, January 2026.
This review provides a comprehensive systematic analysis of the research advancements in lignin color formation mechanisms and decolorization techniques, specifically focusing on three principal approaches: hydroxyl shielding, biomass fractionation, and physical methods. It highlights the systematic research approach of the review toward decolorization
Lizhen Huang, Zhuotong Wu, Li Shuai
wiley   +1 more source

Beneficiation of renewable industrial wastes from paper and pulp processing

open access: yesAIMS Energy, 2018
Black liquor (spent cooking liquor) is one of the major byproducts of pulp and paper manufacturing. Black liquor contains 10–50% lignin, which is the main organic matter found within that liquor.
Zainab AL-Kaabi   +5 more
doaj   +1 more source

Pulp and paper making features of Sequoia sempervirens wood [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2010
In this research pulp and paper making characteristics of Sequoia sempervirens from Chamestan noor research station were studied. The dry and critical specific gravity of sap wood 0.352 and 0.324, heart wood 0.43 and 0.40, fiber length 2.01 mm.
Abas Fakhryan   +2 more
doaj   +1 more source

Studies on the Cooking Mechanism of Wood. XVI. On the Mechanism of Kraft Cooking [PDF]

open access: yesBulletin of the Chemical Society of Japan, 1956
Abstract 1. Hydrogen sulphide cooking of α-guaiacyl propanol (VI) gave bis(1-(4-hydroxy-3-methoxyphenyl)-1-propyl) monosulphide (VIII) and disulphide (VII). 2. Vanillyl monosulphide was decomposed with alkali at 130°. Vanillin, vanillyl alcohol and the secondary products from vanillyl alcohol were identified.
Hiroshi Mikawa   +3 more
openaire   +1 more source

Self-Sufficiency and Safety: The Case for Onsite Domestic Violence Services at Employment Services Agencies [PDF]

open access: yes, 2004
This report presents the findings of a two-year demonstration project that provided domestic violence services to participants in programs at employment services agencies, highlighting the challenges, service needs, and outcomes of low-income domestic ...
Lise McKean
core  

Caracterização de compostos reduzidos de enxofre gerados na produção de celulose kraft e pré-hidró lise kraft

open access: yesCiência Florestal, 2002
An environmental concern in the kraft pulping is the odor caused by the reduced sulphur compounds.There are many simple equipments to detect on-line the total reduced sulphur (TRS), like the coulometric titrator.
Afonso Moura Moraes de   +2 more
doaj  

Estimation of energy efficiency of kraft pulp production with the exergy increment method

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2020
This article contains results of exergic analysis of kraft pulping flow chart. The results of exergic balances of main kraft pulping processes such as alkali recovery at recovery boilers, black liquor evaporation, chips cooking, lime decarbonation are ...
Р. V. Lukanin
doaj   +1 more source

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