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Chemistry in Industry : Journal of Chemists and Chemical Engineers of Croatia, Vol. 65 No. 11-12, 2016.

Original scientific paper

https://doi.org/10.15255/KUI.2016.034

Closed Process of Shale Oil Recovery from Circulating Washing Water by Hydrocyclones

Yuan Huang ; State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200 237, Kina
Hualin Wang orcid id orcid.org/0000-0002-2672-9209 ; State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200 237, Kina
Mingfu Bao ; Engineering Research Center, Fushun Mining Group Co., Ltd, Liaoning 113 006, Kina
Dasong Xing ; Engineering Research Center, Fushun Mining Group Co., Ltd, Liaoning 113 006, Kina
Rongpu Zhang ; Engineering Research Center, Fushun Mining Group Co., Ltd, Liaoning 113 006, Kina
Da Zhao ; China Huanqiu Contracting & Engineering Corporation Liaoning Branch, Liaoning 113 006, Kina
Jianping Li ; State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200 237, Kina
Xin Cui ; Shanghai Huachang Environmental Protection Co., Ltd, Shanghai 200 237, Kina

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Abstract

The conventional oil recovery system in the Fushun oil shale retorting plant has a low oil recovery rate. A large quantity of fresh water is used in the system, thereby consuming a considerable amount of water and energy, as well as polluting the environment. This study aims to develop a closed process of shale oil recovery from the circulating washing water for the Fushun oil shale retorting plant. The process would increase oil yield and result in clean production. In this process, oil/water hydrocyclone groups were applied to decrease the oil content in circulating water and to simultaneously increase oil yield. The oil sludge was removed by the solid/liquid hydrocyclone groups effectively, thereby proving the smooth operation of the devices and pipes. As a result, the oil recovery rate has increased by 5.3 %, which corresponds to 230 tonnes a month.

Keywords

oil shale; hydrocyclone; oil recovery; water purification; sludge removal

Hrčak ID:

169059

URI

https://hrcak.srce.hr/169059

Publication date:

8.12.2016.

Article data in other languages: croatian

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