Results 41 to 50 of about 28,384 (160)

Comparative Study of Enzymatic Hydrolysis Properties of Pulp Fractions from Waste Paper

open access: yesBioResources, 2015
As a lignocellulosic material, wastepaper is a potential material for ethanol production. However, little research on the enzymatic hydrolysis of wastepaper pulp has been conducted.
Xiaoli Li   +4 more
doaj   +1 more source

Madera de compresión en Pinus radiata III: propiedades de pulpas kraft Compression wood in Pinus radiata III: kraft pulp properties

open access: yesMaderas: Ciencia y Tecnología, 2012
Estudios anteriores en estos mismos árboles de Pinus radiata con fustes levemente inclinados, demostraron que la madera de compresión leve que ellos exhibían presentaba: traqueidas más cortas, mayor densidad, mayor proporción de lignina, mayor proporción
J.E Diaz-vaz   +4 more
doaj  

Phenotypic Diversity and Breeding Potential of Passiflora Germplasm Conserved Under Tropical Semi-Arid Conditions for Fruit Yield and Quality

open access: yesAgriculture
Passiflora germplasm represents an important genetic resource for improving fruit yield and quality in breeding programs targeting semi-arid environments.
Mariana Laurência Nunes de Lima   +4 more
doaj   +1 more source

The Effect of Consistency and Freeness on the Yield Stress of Chemical Pulp Fibre Suspensions

open access: yesBioResources, 2015
To study the influence of mechanical treatments on the yield stress of chemical pulp suspensions, a traditional rheometer, coupled with local velocity measurements (ultrasonic Doppler velocimetry), was used to measure the yield stress of two types of ...
Jiulong Sha   +4 more
doaj   +1 more source

CORRELAÇÕES ENTRE CARACTERÍSTICAS DE MELOEIRO

open access: yesRevista Caatinga, 2008
O objective this work was to estimated genotypic, phenotypic and environmental among traits of melon. Six hybrids of melon and their fifteen populations in diallel crosses were evaluated in a randomized complete block design with three replications.
Glauber Henrique de Sousa Nunes   +4 more
doaj  

Low Odor, High Yield Kraft Pulping [PDF]

open access: yes, 2000
In laboratory cooks pure oxygen was profiled into the circulation line of a batch digester during two periods of the cooking cycle: The first injection occurred during the heating steps for the purpose of in-situ generation of polysulfide. This chip treatment was studied to explore stabilization against alkaline induced carbohydrate peeling and to ...
openaire   +2 more sources

PROCESS FOR THE PRODUCTION OF DISSOLVING PULP FROM TREMA ORIENTALIS (NALITA) BY PREHYDROLYSIS KRAFT AND SODA-ETHYLENEDIAMINE (EDA) PROCESS

open access: yesBioResources, 2008
This paper presents a preliminary study for the production of dissolving pulp from Trema orientalis (Nalita). Water prehydrolysis kraft and soda-ethylenediamine (EDA) pulping for the production of dissolving pulp from T.
M. A. Quaiyyum   +3 more
doaj  

Influence of pulping conditions on rice straw kraft pulp yield and screened rejects

open access: yesChemical Engineering Research Bulletin
Although wood is the primary raw material for pulp and paper manufacturing, there is a growing interest in non-woody raw materials to meet the increasing demand of paper. Non-woody biomass rice straw is geographically abundant in South Asia which can be used as a potential raw material for pulp and paper production due to less chemical and shorter ...
Salma Fariha Khan   +5 more
openaire   +1 more source

Pengaruh Kondisi Proses Terhadap Yield dan Kadar Lignin Pulp dari Pelepah Sawit dengan Proses Asam Formiat

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2012
Formic acid pulping of oil palm frond was conducted to study the influence of process variables (formic acid concentration, hydrogen peroxide concentration, and pulping time) on the properties of pulp produced (yield pulp and lignin content).
Zulfansyah Zulfansyah   +4 more
doaj   +2 more sources

Effect of the Harvest Date on the Chemical Composition of Patauá (Oenocarpus bataua Mart.) Fruits from a Forest Reserve in the Brazilian Amazon

open access: yesInternational Journal of Agronomy, 2012
This study aims to evaluate the effect of harvest date on the chemical composition of patauá (Oenocarpus bataua Mart.). Fruits were harvested monthly during the harvest season (June–December, 2009) from native plants in the Adolpho Ducke Forest Reserve ...
Raimundo Silva de Souza   +2 more
doaj   +1 more source

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