American Journal of Chemical Engineering

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Volume 10, Issue 3, May 2022

  • Analysis of Supercritical CO2 Coiled Tubing Fracturing Technology for Shale Gas Formation

    Yi Zhang

    Issue: Volume 10, Issue 3, May 2022
    Pages: 46-52
    Received: 20 January 2022
    Accepted: 17 February 2022
    Published: 19 May 2022
    DOI: 10.11648/j.ajche.20221003.11
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    Abstract: Hydraulic fracturing of shale formations has led to energy boom both in China and abroad. Currently, water is regularly used as fracturing fluid in commercial shale gas and oil production, but it has raised concerns in many aspects such as environment and reservoir protection. Supercritical CO2, as a non-aqueous fracturing fluid, combined with coil... Show More
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  • Optimization and Characterization of Essential Oil from Black Pepper (Nigrum) Seeds Using the Distillation Extraction Method for Perfume Additives

    Wondifraw Abate Abera

    Issue: Volume 10, Issue 3, May 2022
    Pages: 53-62
    Received: 12 April 2022
    Accepted: 18 May 2022
    Published: 8 June 2022
    DOI: 10.11648/j.ajche.20221003.12
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    Abstract: The black pepper seed oils (Piper nigrum) were highly concentrated substances extracted from seeds. The study aims to utilize the seed as a source of oil for cosmetics and perfume applications since the Piper nigrum seed is inexpensive and grows abundantly in our country. It is an annual herbaceous plant. The characteristics of the seed are; that t... Show More
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