نتایج جستجو برای: pretreatments

تعداد نتایج: 1775  

2015
Yan Zhang Hideyo Inouye Lin Yang Michael E. Himmel Melvin Tucker Lee Makowski

Cellulose is an attractive candidate as a feedstock for sustainable bioenergy because of its global abundance. Pretreatment of biomass has significant influence on the chemical availability of cellulose locked in recalcitrant microfibrils. Optimizing pretreatment depends on an understanding of its impact on the microscale and nanoscale molecular architecture. X-ray scattering experiments have b...

Journal: :E3S web of conferences 2021

Investigations, which are related to plasma efficiency on the treated leather surface, significant in development of ecologically and economically friendly processes obtaining material desired functional properties. Through pretreatments using different chemical-physical reactions surface layer occurred resulting improved reactivity. In this paper, modification functionalization bovine 1,2,3,4-...

Journal: :Fermentation 2022

The rice husk has the potential to be used for converting agricultural wastes into renewable energy. Therefore, this study aims improve hydrolysis of through Hydrogen Peroxide (HP) and Combined Peroxide–Aqueous Ammonia (CHPA) pretreatments. removal lignin from husks was determined using SEM–EDS examination samples. At a specific concentration H2O2, pretreatment eliminated significantly larger a...

Journal: :Iet Science Measurement & Technology 2022

To investigate partial discharge-induced deterioration characteristics of ethylene-propylene rubber (EPR) cable insulation under repeated alternating current (AC) voltage on high-speed trains, an experimental platform with a column-plate EPR model is established. The surface condition and breakdown samples after discharge treatment are observed measured. In addition, fitting formula to evaluate...

Journal: :Friction 2021

Abstract Diamond-like carbon (DLC) films are deposited on rubber surfaces to protect the components, and surface pretreatment of substrates prior film deposition can improve adhesion between DLC rubber. Thus, principal purpose this work concentrates determining effects argon (Ar), oxygen (O 2 ), nitrogen (N hydrogen (H ) plasma pretreatments friction performance (DLC/rubber). The results indica...

Journal: :Sustainability 2021

The present study aimed to optimize the struvite chemical precipitation process in nitrogen-rich anaerobic co-digestion systems. Struvite experiments were carried out using a mixture of cattle slurry liquid fraction and sewage sludge, with without ultrasound pretreatment. Marine salt or MgCl2 used as magnesium source NH4+:Mg2+ stoichiometric proportions 1:1.5 1:3. Under tested conditions, ammon...

Journal: :Agronomy 2022

The application of biostimulants has great potential in preserving plants against abiotic or biotic stresses and is integrated into promoting tolerance acclimating coriander salinity stress. Deciphering the morphological, physiological molecular responses underpinning ameliorative aspects ecofriendly indispensable to link overlap seed priming. Hereby, priming stress using potassium silicate, hu...

Journal: :Agriculture 2023

Arthrospira platensis has emerged as a novel protein feed source since it contains high level and quality. However, this microalga presents recalcitrant cell wall its main proteins form protein-pigment complexes attached to the thylakoid membrane. The objective of present study was evaluate influence mechanical/physical pretreatments (bead milling, extrusion, freeze-drying, heating, microwave s...

Journal: :Cellulose 2021

Abstract The characteristics of cellulose nanofibers (CNFs) depend on many factors such as the raw material, type and intensity pre-treatment, severity mechanical defibrillation process. relationship among is complex but crucial in determining final, fit-for-use CNF properties. This study aims to find between properties morphology, aspect ratio, nanofibrillation yield, transmittance cationic de...

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