By Mizuho Yabushita
The subject of this thesis is catalytic conversion of non-food, plentiful, and renewable biomass reminiscent of cellulose and chitin to chemical compounds. In biorefinery, chemical transformation of polymers to precious compounds has attracted all over the world curiosity for construction sustainable societies. First, the present scenario of this sizzling study quarter has been summarized good within the basic creation of the thesis, which is helping readers to get to grips with this subject. subsequent, the writer explains high-yielding construction of glucose from cellulose through the use of an alkali-activated carbon as a catalyst, leading to a yield of glucose as excessive as 88%, that's one of many maximum yields ever suggested. The characterization of carbon fabrics has indicated that vulnerable acid websites at the catalyst advertise the response, that's markedly diversified from pronounced catalytic platforms that require powerful acids. additionally, the 1st catalytic transformation of chitin with retention of N-acetyl teams has been constructed. the mix of mechanocatalytic hydrolysis and thermal solvolysis permits the creation of N-acetylated monomers in stable yields of as much as 70%. The catalytic platforms established during this thesis are precise within the fields of either chemistry and chemical engineering, and their excessive efficiencies can give a contribution to eco-friendly and sustainable chemistry sooner or later. in the meantime, mechanistic stories in accordance with characterization, thermodynamics, kinetics, and version reactions have additionally been played to bare the jobs of catalysts through the reactions. the consequences should be invaluable for readers to layout and increase new catalysts and response systems.
Read Online or Download A Study on Catalytic Conversion of Non-Food Biomass into Chemicals: Fusion of Chemical Sciences and Engineering PDF
Similar industrial & technical books
The skin coating box is a swiftly constructing zone of technological know-how and know-how that gives new equipment and strategies to manage friction and put on. New coating kinds are always being constructed and the aptitude purposes in numerous commercial fields are ever growing to be, starting from desktop parts and purchaser items to scientific tools and prostheses.
Content material: creation; half A. SYNTHESIS AND CHARACTERIZATION OF MOFs; Synthesis of MOFs; Post-synthetic amendment of MOFs; Characterization of MOFs. 1. mixed Vibrational and digital Spectroscopies; Characterization of MOFs. 2. lengthy and native variety Order Structural decision of MOFs via Combining EXAFS and Diffraction ideas; MOFs for strength and Environmental functions; Computational method of Chemical Reactivity of MOFs; CATALYSIS by means of MOFs
Written via an engineering advisor with over forty eight years of expertise within the box, this moment version presents a reader-friendly and thorough dialogue of the basic ideas and technology of cryogenic engineering together with the houses of fluids and solids, refrigeration and liquefaction, insulation, instrumentation, usual gasoline processing, and safeguard in cryogenic process layout.
- Kirk-Othmer Encyclopedia of Chemical Technology [Vol 23]
- Recent advances in polymer nanocomposites: synthesis and characterisation
- Reactive Polymers Fundamentals and Applications. A Concise Guide to Industrial Polymers
- Fundamental Neuropathology for Pathologists and Toxicologists: Principles and Techniques
- Kirk-Othmer Encyclopedia of Chemical Technology [Vol 24]
Additional info for A Study on Catalytic Conversion of Non-Food Biomass into Chemicals: Fusion of Chemical Sciences and Engineering
Catal Lett 133(1):214–220 78. Xia J, Yu D, Hu Y, Zou B, Sun P, Li H, Huang H (2011) Sulfated copper oxide: an efﬁcient catalyst for dehydration of sorbitol to isosorbide. Catal Commun 12(6):544–547 79. Montassier C, Ménézo J, Moukolo J, Naja J, Hoang LC, Barbier J, Boitiaux JP (1991) Polyol conversions into furanic derivatives on bimetallic catalysts: Cu–Ru, Cu–Pt and Ru–Cu. J Mol Catal 70(1):65–84 80. Moore KM, Sanborn AJ, Bloom P (2008) Process for the production of anhydrosugar alcohols. US Patent 7,439,352 References 35 81.
Rinaldi R, Meine N, vom Stein J, Palkovits R, Schüth F (2010) Which controls the depolymerization of cellulose in ionic liquids: the solid acid catalyst or cellulose? ChemSusChem 3(2):266–276 129. Zhang C, Fu Z, Liu YC, Dai B, Zou Y, Gong X, Wang Y, Deng X, Wu H, Xu Q, Steven KR, Yin D (2012) Ionic liquid-functionalized biochar sulfonic acid as a biomimetic catalyst for hydrolysis of cellulose and bamboo under microwave irradiation. Green Chem 14(7):1928– 1934 130. Toda M, Takagaki A, Okamura M, Kondo JN, Hayashi S, Domen K, Hara M (2005) Green chemistry: biodiesel made with sugar catalyst.
Glucosidase works for the hydrolysis of soluble oligomers produced by EG and CBH to glucose. The functions of EG and CBH for the hydrolysis of cellulose are proposed as follows. First, enzymes adsorb onto the surface of cellulose through hydrophobic interactions derived from the binding domain composed of three exposed tyrosine residues . Second, cellulose chains are introduced into a pocket (in the case of EG) or a tunnel (CBH, Fig. 13), where there is an active site [116, 117]. Then a glycosidic bond in cellulose is cleaved by a pair of carboxylic acid and carboxylate, in which two types of mechanism, inverting and retaining ones, are presumed (Fig.
A Study on Catalytic Conversion of Non-Food Biomass into Chemicals: Fusion of Chemical Sciences and Engineering by Mizuho Yabushita