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2009•Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and AtomsRequires access

Pretreatment of Wheat Straw by γ-ray Radiation and Alkali Solution

Wang Jianlong

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Abstract

Gamma ray radiation and alkali solution pretreatment of wheat straw and its effect on enzymatic hydrolysis were studied.The result shows that the γ-irradiation can significantly decrease the initial concentration of alkali solution and shorten the pretreated time,but the changes in the physical and chemical properties of only irradiated wheat straw are indistinctive.A synergistic effect between irradiation and alkali solution pretreatment was observed.Reducing sugar yield is 78.2%(accounted for theoretical yield) after wheat straw is radiated at a dose of 100 kGy and then with 2%NaOH pretreated for 1 h.

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Gamma ray radiation and alkali solution pretreatment of wheat straw and its effect on enzymatic hydrolysis were studied.The result shows that the γ-irradiation can significantly decrease the initial concentration of alkali solution and shorten the pretreated time,but the changes in the physical and chemical properties of only irradiated wheat straw are indistinctive.A synergistic effect between irradiation and alkali solution pretreatment was observed.Reducing sugar yield is 78.2%(accounted for theoretical yield) after wheat straw is radiated at a dose of 100 kGy and then with 2%NaOH pretreated for 1 h.

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Available abstract

Gamma ray radiation and alkali solution pretreatment of wheat straw and its effect on enzymatic hydrolysis were studied.The result shows that the γ-irradiation can significantly decrease the initial concentration of alkali solution and shorten the pretreated time,but the changes in the physical and chemical properties of only irradiated wheat straw are indistinctive.A synergistic effect between irradiation and alkali solution pretreatment was observed.Reducing sugar yield is 78.2%(accounted for theoretical yield) after wheat straw is radiated at a dose of 100 kGy and then with 2%NaOH pretreated for 1 h.

Key concepts: Straw, Alkali metal, Yield (engineering), Hydrolysis, Chemistry, Irradiation, Sugar, Nuclear chemistry

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