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Lu C.,Hefei University of Technology | Zhao Y.,Hefei University of Technology | Zhao Y.,Key Laboratory for Agriculture Products Processing of Anhui Province | Zheng Z.,Hefei University of Technology | Zheng Z.,Key Laboratory for Agriculture Products Processing of Anhui Province
Gongneng Cailiao/Journal of Functional Materials | Year: 2015

The fluid and salt ions absorption rate of the super absorbent polymer (SAP) was determinated in NaCl, KCl, MgCl2 and CaCl2 solution, and the adsorption characteristics of SAP thermodynamics and kinetics of NaCl and CaCl2 were studied. The results shows that the salt ions absorption rate of SAP is related to the cation of the solution, the bivalent cation absorption ability is far less than monovalent cations. The equilibrium constant b and speed constant ks of absorbing Na+ and K+ are much greater than that of absorbing Mg2+ and Ca2+, and the higher the temperature the greater the equilibrium constant b and speed constant ks. The adsorption thermodynamics of NaCl, KCl, MgCl2 and CaCl2 is complied with the laws of Langmuir equation. The adsorption kinetics result illustrates it fits to the Pseudo-second order equation. ©, 2015, Journal of Functional Materials. All right reserved. Source


Yang P.,Hefei University of Technology | Yang P.,Key Laboratory for Agriculture Products Processing of Anhui Province | Jiang S.,Hefei University of Technology | Jiang S.,Key Laboratory for Agriculture Products Processing of Anhui Province | And 2 more authors.
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2011

Hydrogen is a clean fuel with high combustion value. With carbohydrates and water as the substrate by joint catalysis of 13 enzymes, the products of both hydrogen and carbon dioxide were generated using the processes of cell-free synthetic enzymatic pathway biotransformation (SyPaB). In theory, twelve mols of hydrogen was produced by consumption of one mol glucose, which was triple in comparison with that by the fermentation of anaerobic microorganisms. This paper introduces the development process of SyPaB, enzymatic characteristic and steps of enzyme-catalyzed. In the end, the advantages and disadvantages of SyPaB and industrial applications are discussed. Source


Yang P.,Hefei University of Technology | Yang P.,Key Laboratory for Agriculture Products Processing of Anhui Province | Jiang S.,Hefei University of Technology | Jiang S.,Key Laboratory for Agriculture Products Processing of Anhui Province | And 4 more authors.
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2011

In order to produce fuel-ethanol from the turfgrass, the mixing fermentation of hydrolysis was carried out by both the Pachysolen tannophilus and Saccharomyces cerevisiae. After the pretreatments of the powdering and soaking of alkaline oxide, the solid residues were decomposed by the mixing of both the cellulase and pectase. The results showed that the percentage of lignin removal reached 70% under the condition of solid-liquid rate 1:40 (w/w) of alkaline oxide, soaking time 48 h. The ethanol concentration reached 9.6 g/L and 11.7 g/L, respectively, after 30 h of fermentation. The conversion rates of sugar-ethanol were 25.7% and 38.1% (w/w), which had 61.2% and 74.7% of the theoretical value, respectively. Source

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