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American Journal of Chemical Engineering

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2024, Volume 12
1. Issue 2, Apr.
2. Issue 1, Feb.
2023, Volume 11
2022, Volume 10
2021, Volume 9
2020, Volume 8
2019, Volume 7
2018, Volume 6
2017, Volume 5
2016, Volume 4
2015, Volume 3
2014, Volume 2
2013, Volume 1

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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