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American Journal of Chemical Engineering

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Volume 8, Issue 4, July 2020

  • Economical Synthesis of High Surface Area γ-Al2O3 for the Adsorption of Organic Pollutant from Wastewater

    Jinjin Li, Hao Wang, Ronghai Zhu, Honggang Chang, Gang Xiong, Jingxian Wu, Hao Feng, Ping Li

    Issue: Volume 8, Issue 4, July 2020
    Pages: 76-89
    Received: 25 July 2020
    Accepted: 8 August 2020
    Published: 25 August 2020
    DOI: 10.11648/j.ajche.20200804.11
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    Abstract: A series of γ-Al2O3 with high surface area applied for removal of Congo red (CR) from aqueous solution was prepared from cheap inorganic aluminum precursor using simple precipitation method in presence of an inexpensive anionic surfactant (sodium dodecyl sulfate, SDS). The material characterization by several techniques revealed that SDS plays an i... Show More
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  • Technical Transformation and Innovation on Refinery Acid Gas Dry Process Acid Plant

    Du Lang, You Min

    Issue: Volume 8, Issue 4, July 2020
    Pages: 90-95
    Received: 18 August 2020
    Accepted: 31 August 2020
    Published: 21 September 2020
    DOI: 10.11648/j.ajche.20200804.12
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    Abstract: This article introduces a new and efficient process and device for acid gas recovery in refining and chemical enterprises-hydrogen sulfide dry acid production process and device. The main problems and failures in the operation of the device are explained, and the related problems and the causes of the failures are analyzed in a targeted manner. In ... Show More
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  • Preparation of NixO-FexO/Ceramsite Catalyst and Its Application in Advanced Treatment of Pharmaceutical Wastewater

    Wenling Yang, Tan Wang, Jiu Wu

    Issue: Volume 8, Issue 4, July 2020
    Pages: 96-102
    Received: 31 December 2019
    Accepted: 3 September 2020
    Published: 21 September 2020
    DOI: 10.11648/j.ajche.20200804.13
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    Abstract: Using nickel oxide and ferric oxide materials, and ceramsite as carrier, the catalysts have been prepared by impregnation method including single-component and multi-component catalysts. The single-component and multi-component catalysts were used to study the COD removal performance of pharmaceutical secondary effluent respectively. First, the fac... Show More
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