Results 1 to 10 of about 25,897 (299)

Mussel-Inspired Magnetic Dissolving Pulp Fibers Toward the Adsorption and Degradation of Organic Dyes [PDF]

open access: yesFrontiers in Chemistry, 2022
In this work, a simple synthetic method was used to prepare a new type of magnetic dissolving pulp (MDP) @polydopamine (PDA) fibers. The hydroxyl groups of the fibers were converted into carboxyl groups after succinylation. Fe3O4 nanoparticles were grown
Jiawei Yang   +15 more
doaj   +2 more sources

DISSOLVING PULP PRODUCTION FROM BAMBOO

open access: yesBioResources, 2011
Commercial bamboo chips were evaluated as raw material for dissolving pulp production. The chips were auto-hydrolyzed (AH) and subsequently cooked by the NaOH/AQ process and bleached to full brightness with the O-CCE-D-(EP)-D-P sequence.
Larisse Aparecida Ribas Batalha,   +5 more
doaj   +2 more sources

ALTERNATIVE PULPING PROCESS FOR PRODUCING DISSOLVING PULP FROM JUTE

open access: yesBioResources, 2008
Dissolving pulps are the raw materials of cellulose derivatives and of many other cellulosic products. Jute is a very good source of cellulose and worthy of consideration for the production of dissolving pulp.
M. Sarwar Jahan   +3 more
doaj   +2 more sources

PRODUCTION OF DISSOLVING GRADE PULP FROM ALFA [PDF]

open access: yesBioResources, 2010
Alfa, also known as Stipa tenacissimaI or “halfa”, is grown in North Africa and south Spain. Due to its short fiber length, paper made from alfa pulp retains bulk and takes block letters well.
Baya Bouiri, Moussa Amrani
doaj   +1 more source

APPLIED STUDY OF BIRCH PULP BLEACHING USING DIMETHYLDIOXIRANE TO OBTAIN ACETATE-GRADE PULP [PDF]

open access: yesBioResources, 2010
As a pulp bleaching agent, dimethyldioxirane (DMD) is effective and selective. In this study, it was employed as a delignifying agent or as an activating agent for hydrogen peroxide treatment in bleaching acetate-grade pulp.
Shu-Ke Zhou   +3 more
doaj   +1 more source

Cross-species comparison of ultramafic rock bio-accelerated weathering performance [PDF]

open access: yesScientific Reports
Carbon mineralization sequesters atmospheric CO2 by reacting it with cations from rock weathering to form carbonates. However, natural rates are too slow, and acceleration with chemical or mechanical methods is expensive. Microbial processes (acidolysis,
Luke Plante   +8 more
doaj   +2 more sources

Bio-accelerated weathering of ultramafic minerals with Gluconobacter oxydans [PDF]

open access: yesScientific Reports
Ultramafic rocks are an abundant source of cations for CO2 mineralization (e.g., Mg) and elements for sustainability technologies (e.g., Ni, Cr, Mn, Co, Al).
Joseph J. Lee   +9 more
doaj   +2 more sources

INVESTIGATION UPON DISSOLVING PULP

open access: yesSen'i Gakkaishi, 1958
Rayon grade sulfite pulp (RP, α-cellulose 92%), acetate grade sulfite pulp (ACP, α-cellulose 96%) and purified linters (Linters, α-cellulose 99%) were oxidized by ClO2 solution under the following condition : ClO2 (as avail. cl.) add. : 0-40% basis B. D. pulp, temp : 70°C, initial PH : 3-11 (unbuffered), and average D P, copper number, carboxyl content,
Hiroshi Sobue, Tokumi Koshizawa
  +9 more sources

Enzymatic Fibre Modification During Production of Dissolving Wood Pulp for Regenerated Cellulosic Materials

open access: yesFrontiers in Plant Science, 2021
The production of regenerated cellulosic fibres, such as viscose, modal and lyocell, is based mainly on the use of dissolving wood pulp as raw material. Enzymatic processes are an excellent alternative to conventional chemical routes in the production of
Pedro E. G. Loureiro   +7 more
doaj   +1 more source

Oxidation Treatments Using Hydrogen Peroxide to Convert Paper-Grade Eucalyptus Kraft Pulp into Dissolving-Grade Pulp

open access: yesMolecules, 2023
Converting paper-grade bleached Kraft pulp into dissolving pulp using eco-friendly chemicals on-site at the mill is a challenge for the pulp industry.
Andrea Vera-Loor   +3 more
doaj   +1 more source

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