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Haiqiang Shi – One of the best experts on this subject based on the ideXlab platform.

  • surface sediments formation during auto hydrolysis and its effects on the benzene alcohol extractive Absorbability and chemical pulping properties of hydrolyzed acacia wood chips
    Bioresource Technology, 2019
    Co-Authors: Haiqiang Shi, Miaofang Zhou, Xueru Sheng, Qian Yang, Meihong Niu

    Abstract:

    The aim of this work was to study the sedimentary substances formed on the surface of auto-hydrolyzed wood chips. And its potential effect on the subsequent chemical pulping was then investigated by the analysis of surface morphology, benzene-alcohol extractive, Absorbability and kraft pulping of wood chips hydrolyzed. The results showed that sediments on the surface of auto-hydrolyzed wood chips were microspheric and the amount of them increased with intensifying the severity of treatment. The benzene-alcohol extractives and lignin content in the extractives increased from 1.36% and 16.42% in the control sample to 9.42% and 47.68% in the hydrolyzed wood chips at the P-factor of 808. The Absorbability of hydrolyzed wood chips firstly improved in the early stage (P-factor < 306) and after then decreased. Negative effect of the sediments on the surface of hydrolyzed wood chips was found on the subsequent kraft chemical pulping and the properties of final pulp.

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  • Surface sediments formation during auto-hydrolysis and its effects on the benzene-alcohol extractive, Absorbability and chemical pulping properties of hydrolyzed acacia wood chips
    Bioresource Technology, 2019
    Co-Authors: Haiqiang Shi, Miaofang Zhou, Xueru Sheng, Qian Yang, Niu Meihong

    Abstract:

    The aim of this work was to study the sedimentary substances formed on the surface of auto-hydrolyzed wood chips. And its potential effect on the subsequent chemical pulping was then investigated by the analysis of surface morphology, benzene-alcohol extractive, Absorbability and kraft pulping of wood chips hydrolyzed. The results showed that sediments on the surface of auto-hydrolyzed wood chips were microspheric and the amount of them increased with intensifying the severity of treatment. The benzene-alcohol extractives and lignin content in the extractives increased from 1.36% and 16.42% in the control sample to 9.42% and 47.68% in the hydrolyzed wood chips at the P-factor of 808. The Absorbability of hydrolyzed wood chips firstly improved in the early stage (P-factor 

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Jang Kyo Kim – One of the best experts on this subject based on the ideXlab platform.

  • effects of silane surfactant on nano zno and rheology properties of nano zno epoxy on the uv Absorbability of nano zno epoxy micron hgf composite
    Composites Part B-engineering, 2016
    Co-Authors: Tsz Ting Wong, Kintak Lau, Wai Yin Tam, Julie A Etches, Jang Kyo Kim

    Abstract:

    Abstract Nano-zinc oxide (nano-ZnO)/epoxy filled micron-hollow glass fibres (micron-HGFs) epoxy composite is opening up a new configuration for fibre reinforced polymer composite (FRPC) with enhanced ultraviolet (UV) resistibility. ZnO nanoparticles having intrinsic UV Absorbability were introduced into epoxy and nano-ZnO/epoxy was filled into 100 μm HGF by using vacuum infiltration technique. 4 wt.% 100 nm ZnO/epoxy/100 μm HGF epoxy composite was found to have the highest UV Absorbability among other samples. The silane surfactant on ZnO nanoparticle (NP) was evaluated and the rheology of nanofluid (NF) was investigated for the UV Absorbability of nanocomposite (NC), which the two parameters determine the dispersion of ZnO nanoparticles and the polymerization shrinkage of nanocomposite. An optimum concentration and good dispersion of ZnO nanoparticles are aimed to be achieved in order to maximize the UV Absorbability of nano-ZnO/epoxy/micron-HGF epoxy composite. The silane surfactant on ZnO nanoparticle was found to be ineffective for UV absorption.

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Meihong Niu – One of the best experts on this subject based on the ideXlab platform.

  • surface sediments formation during auto hydrolysis and its effects on the benzene alcohol extractive Absorbability and chemical pulping properties of hydrolyzed acacia wood chips
    Bioresource Technology, 2019
    Co-Authors: Haiqiang Shi, Miaofang Zhou, Xueru Sheng, Qian Yang, Meihong Niu

    Abstract:

    The aim of this work was to study the sedimentary substances formed on the surface of auto-hydrolyzed wood chips. And its potential effect on the subsequent chemical pulping was then investigated by the analysis of surface morphology, benzene-alcohol extractive, Absorbability and kraft pulping of wood chips hydrolyzed. The results showed that sediments on the surface of auto-hydrolyzed wood chips were microspheric and the amount of them increased with intensifying the severity of treatment. The benzene-alcohol extractives and lignin content in the extractives increased from 1.36% and 16.42% in the control sample to 9.42% and 47.68% in the hydrolyzed wood chips at the P-factor of 808. The Absorbability of hydrolyzed wood chips firstly improved in the early stage (P-factor < 306) and after then decreased. Negative effect of the sediments on the surface of hydrolyzed wood chips was found on the subsequent kraft chemical pulping and the properties of final pulp.

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