Results 61 to 70 of about 1,752 (175)

Valorization of Yacon (Smallanthus sonchifolius) peel for peroxidase production and its immobilization on alginate beads for 2,4‐dichlorophenol bioconversion

open access: yesThe Canadian Journal of Chemical Engineering, Volume 104, Issue 8, Page 3984-3995, August 2026.
Sodium alginate was modified with EDC/NHS for the immobilization of Yacon peel peroxidase, resulting in a novel biocatalyst for the oxidation of 2,4‐dichlorophenol. Abstract Yacon (Smallanthus sonchifolius) roots are emerging as an alternative source of peroxidase. This study aimed to extract, immobilize, and characterize the peroxidase from Yacon peel,
Mariana Gomes Oliveira   +4 more
wiley   +1 more source

Papermaking fibers from giant reed (Arundo donax L.) by advanced ecologically friendly pulping and bleaching technologies

open access: yesBioResources, 2006
The anatomical structure and chemical composition of the stem-wall material of giant reed is considered from the viewpoint of raw material characterization for industrial fiber production.
Pereira, H., Shatalov, A. A.
doaj  

Thermal Characteristics of Lignin Residue from Industrial Processes

open access: yesBioResources, 2013
Many pulp mills and biorefineries today are focusing on the utilization of their residual lignin for economic return. Although lignin can be burned to produce energy, it also has the potential for the production of value-added products. Technical lignins
Sally Krigstin   +3 more
doaj   +1 more source

Tailoring Biowaste‐Derived Activated Hydrochar With Multifunctionality Toward Antibiotic Adsorption, CO2 Capture, and Energy Storage

open access: yesChemPlusChem, Volume 91, Issue 8, August 2026.
Date seed biowaste was hydrothermally carbonized to produce hydrochar (HC), which was further converted into activated hydrochar (AHC) via phosphoric acid activation. This sustainable, multifunctional carbon material was evaluated for three applications: antibiotic (levofloxacin) adsorption, CO2 capture, and energy storage as a phosphoric‐acid‐based ...
Şeyda Karadirek   +4 more
wiley   +1 more source

Anti-scaling agents in kraft pulping

open access: yesBioResources, 2007
Scale formation in the digester during kraft pulping represents a great problem in pulp mills. Scaling reduces pulping control and efficiency, increasing energy costs and leading to cleaning breakdowns, with subsequent losses in productivity.
Felissia, F. E.   +3 more
doaj  

Sustainable Photoelectrochemical Direct Lignin Upcycling via Ni‐Co Phthalocyanine Catalysts Integrated With Organic Semiconductors

open access: yesEcoMat, Volume 8, Issue 8, August 2026.
An integrated photoelectrochemical system combining Ni‐Co phthalocyanines with organic semiconductors directly oxidizes kraft lignin with long‐term stability. The system promotes efficient lignin oxidation, enables tunable reactivity between vanillin and vanillic acid, and achieves high photocurrent densities.
Yoonsung Jung   +7 more
wiley   +1 more source

Utilização de surfactantes, na polpação kraft de madeira de eucalipto, como auxiliar na remoção de extrativos lipofílicos Surfactant utilization in kraft pulping of eucalyptus wood to improve lipophilic extractives removal

open access: yesRevista Árvore, 2004
Problemas de deposição de "pitch" em fábricas de celulose e de papel são atribuídos aos extrativos lipofílicos existentes na madeira. Uma das maneiras mais eficientes de controlar essa deposição é através da remoção de seus precursores do sistema, logo ...
Deusanilde de Jesus Silva   +2 more
doaj   +1 more source

High‐Shear Mixing of Softwood Kraft Lignin in Aqueous Sodium Lignosulfonate: Stable Suspensions, Efficient Emulsification and Controlled Curing of Epoxy Adhesives

open access: yesMacromolecular Materials and Engineering, Volume 311, Issue 8, August 2026.
Blending sodium lignosulfonate with softwood kraft lignin generates stable, high‐consistency aqueous suspensions. The lignosulfonate efficiently coats and disperses the kraft lignin particles, producing a thick, extrudable paste. This fully bio‐based, solvent‐free approach demonstrates great potential as a sustainable wood adhesive, paving the way for ...
Federica Ferruti   +2 more
wiley   +1 more source

Nickel Foam Electrodes—A Versatile, Powerful, and Readily Available Tool in Electro‐Organic Synthesis

open access: yesThe Chemical Record, Volume 26, Issue 8, August 2026.
Nickel foam—one material, two faces, and several versatile roles depending on electrolytic conditions. For more than 50 years, nickel foam electrodes have served in electrosynthesis as powerful and readily available electrode materials. Due to their inexpensive nature and easy handling, they have been widely employed.
Rok Narobe   +2 more
wiley   +1 more source

INCORPORATION OF BARK AND TOPS IN EUCALYPTUS GLOBULUS WOOD PULPING

open access: yesBioResources, 2012
Bark and the tops of E. globulus trees were considered for kraft pulping under industrial conditions. Pulping experiments included wood, bark, tops, and composite samples. Top wood had an average chemical composition most similar to that of wood but with
Isabel Miranda,   +2 more
doaj  

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