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  • Open Access


    Study on Mechanical Properties of High Fine Silty Basalt Fiber Shotcrete Based on Orthogonal Design

    Jinxing Wang1,2,3, Yingjie Yang1,2,3, Xiaolin Yang1,2,3, Huazhe Jiao1,2,3,4,*, Qi Wang1,2,3, Liuhua Yang1,2,3, Jianxin Yu1,2,3, Fengbin Chen1,2,3

    Journal of Renewable Materials, Vol.11, No.8, pp. 3351-3370, 2023, DOI:10.32604/jrm.2023.027512

    Abstract In order to improve the comprehensive utilization rate of high fines sand (HFS) produced by the mine, full solid waste shotcrete (HFS-BFRS) was prepared with HFS as fine aggregate in cooperation with basalt fiber (BF). The strength growth characteristics of HFS-BFRS were analyzed. And the fitting equation of compressive strength growth characteristics of HFS-BFRS under the synergistic effect of multiple factors was given. And based on the orthogonal experimental method, the effects on the compressive strength, splitting tensile strength and flexural strength of HFS-BFRS under the action of different levels of influencing factors were investigated.… More >

  • Open Access


    Study on Strength Reduction Law and Meso-Crack Evolution of Lower Layered Cemented Tailings Backfill

    Huazhe Jiao1,2,3, Wenxiang Zhang1,2,3,*, Yunfei Wang1,2,3,*, Xinming Chen1,2,3, Liuhua Yang1,2,3, Yangyang Rong1,2,3

    Journal of Renewable Materials, Vol.11, No.3, pp. 1513-1529, 2023, DOI:10.32604/jrm.2023.026008

    Abstract The green disposal of tailings solid waste is a problem to be solved in mine production. Cemented tailings filling stoping method can realize the dual goals of solid waste resource utilization and mined-out area reduction. However, the volume of the mined-out area of the open-pit method is larger than the filling capacity, resulting in the complex stratification of the underground backfill, and the strength of the backfill cannot meet the requirements. In this paper, according to the delamination situation, the specimens of horizontal and inclination angle layered cemented tailings backfill (LCTB) is made for a… More >

  • Open Access


    Bio-Inspired Gelatin-Based Adhesive Modified with Waterborne Polyurethane on Click Chemistry

    Xuechuan Wang1,2, Wenying Zhao1,2, Xugang Dang1,2,*, Yiqing Wang1,2, Huijie Zhang1,2,*

    Journal of Renewable Materials, Vol.10, No.11, pp. 2747-2763, 2022, DOI:10.32604/jrm.2022.021555

    Abstract As a non-toxic, highly reactive biomass material, gelatin is wildly used as the component of biomass-based adhesive. However, like most aqueous adhesives, gelatin-based adhesives suffer from long solidifying time or high solidifying temperature due to the low volatility of water, which highly limits the application potential of gelatinbased adhesives. Inspired by the fast adhesion of marine organisms through the formation of chemical crosslinks, herein, a kind of low temperature curable eco-friendly gelatin-based adhesive with good adhesive properties and fast curing at low temperature is developed by introducing clicking chemical Diels-Alder (DA) reaction between blocked waterborne More > Graphic Abstract

    Bio-Inspired Gelatin-Based Adhesive Modified with Waterborne Polyurethane on Click Chemistry

  • Open Access


    One-Step Synthesis of Magnetic Zeolite from Zinc Slag and Circulating Fluidized Bed Fly Ash for Degradation of Dye Wastewater

    Zhichao Han, Yaojun Zhang*, Panyang He

    Journal of Renewable Materials, Vol.8, No.4, pp. 405-416, 2020, DOI:10.32604/jrm.2020.09351

    Abstract In this study, a magnetic P zeolite was directly synthesized by utilization of industrial solid wastes of zinc slag (ZS) and circulating fluidized bed fly ash (CFBFA) via one-step hydrothermal method. The effects of different CFBFA/ZS ratios and hydrothermal times on the as-synthesized zeolite were investigated. The X-ray diffraction (XRD) and vibrating sample magnetometer (VSM) results indicated that the magnetic P zeolite possessed well-defined crystals and superparamagnetism. The as-prepared zeolite was employed as a Fenton-like solid catalyst for degradation of direct green B dye wastewater. It was discovered that the magnetic P zeolite took the More >

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