نتایج جستجو برای: delignification
تعداد نتایج: 649 فیلتر نتایج به سال:
Eucalyptus globulus represents one of the most suited fibre sources for the production of a wide range of high quality papers and high-purity dissolving pulps. The optimization of kraft pulping covering both continuous and batch processes demands kinetic models suitable for advanced control and offline optimization of the cooking operation. Quite recently, an improved kinetic model structure fo...
BACKGROUND Ligninolytic peroxidases are divided into three families: manganese peroxidases (MnPs), lignin peroxidases (LiPs), and versatile peroxidases (VPs). The latter two are able to degrade intact lignins, as shown using nonphenolic lignin model compounds, with VP oxidizing the widest range of recalcitrant substrates. One of the main limiting issues for the use of these two enzymes in ligno...
BACKGROUND Alfalfa (Medicago sativa) is an important forage crop in North America owing to its high biomass production, perennial nature and ability to fix nitrogen. Feruloyl esterase (EC 3.1.1.73) hydrolyzes ester linkages in plant cell walls and has the potential to further improve alfalfa as biomass for biofuel production. RESULTS In this study, faeB [GenBank:AJ309807] was synthesized at G...
Objective: The aim of this research is to create a versatile approach produce cellulose from nipa fronds, which are sustainable resource. Methods: study focuses on determining the amount in effectiveness simplified physicochemical pretreatment, and purity isolated a-cellulose. biomass was pretreated using physical chemical methods analyzed through gravimetric analysis determine its composition,...
Bioethanol production from lignocellulosic raw materials involves process steps like pre-treatment, enzymatic hydrolysis, fermentation and distillation. In this study, wheat straw was explored as feedstock for on-site cellulase production by T. reesei 3EMS35 mutant, and as a substrate for second generation bioethanol production from baker yeast. Scanning electron microscopy (SEM) and X-ray diff...
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