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Ultrasonication-flotation-advanced oxidation tertiary treatment of oil-based drilling cuttings

The treatment of oil-based drilling cuttings (OBDCs) with high oil content is difficult. In this study, a tertiary treatment of ultrasonication–flotation–advanced oxidation for treating OBDCs with a high oil content of 20.10 wt% was proposed for the first time. All stages of the treatment processes...

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Autores principales: Xu, Qian, Ma, Liang, Zhang, Linjing, Zhang, Yichen, Song, Yingfa, Fang, Shenwen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10658313/
https://www.ncbi.nlm.nih.gov/pubmed/38027985
http://dx.doi.org/10.1016/j.heliyon.2023.e22004
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author Xu, Qian
Ma, Liang
Zhang, Linjing
Zhang, Yichen
Song, Yingfa
Fang, Shenwen
author_facet Xu, Qian
Ma, Liang
Zhang, Linjing
Zhang, Yichen
Song, Yingfa
Fang, Shenwen
author_sort Xu, Qian
collection PubMed
description The treatment of oil-based drilling cuttings (OBDCs) with high oil content is difficult. In this study, a tertiary treatment of ultrasonication–flotation–advanced oxidation for treating OBDCs with a high oil content of 20.10 wt% was proposed for the first time. All stages of the treatment processes were optimised. The recommended parameters for ultrasonication at room temperature were a mass ratio of OBDCs to the degreaser of 1:8, an ultrasonication power of 600 W and treatment time of 30 min. After the ultrasonication treatment, the oil content of the OBDCs decreased from 20.10 wt% to 5.00 wt%. Flotation was performed at room temperature with a mass ratio of OBDCs to the degreaser of 1:10, a stirring speed of 400 rpm, an aeration head aperture of 3 μm and airflow rate of 400 mL/min under N(2) injection for 60 min. After the flotation treatment, the oil content of the OBDCs decreased from 5.00 wt% to 2.01 wt%. Advanced oxidation was performed at room temperature with a mass ratio of OBDCs to water of 1:10, 3.57 wt% sodium persulphate in water, 4.17 wt% ferrous sulphate heptahydrate in water and ultrasonication power of 1000 W for 100 min. Following the advanced oxidation treatment, the oil content of the OBDCs decreased from 2.01 wt% to 0.58 wt%. The results of this study provide a new method and idea for treating OBDCs with high oil content.
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spelling pubmed-106583132023-11-07 Ultrasonication-flotation-advanced oxidation tertiary treatment of oil-based drilling cuttings Xu, Qian Ma, Liang Zhang, Linjing Zhang, Yichen Song, Yingfa Fang, Shenwen Heliyon Research Article The treatment of oil-based drilling cuttings (OBDCs) with high oil content is difficult. In this study, a tertiary treatment of ultrasonication–flotation–advanced oxidation for treating OBDCs with a high oil content of 20.10 wt% was proposed for the first time. All stages of the treatment processes were optimised. The recommended parameters for ultrasonication at room temperature were a mass ratio of OBDCs to the degreaser of 1:8, an ultrasonication power of 600 W and treatment time of 30 min. After the ultrasonication treatment, the oil content of the OBDCs decreased from 20.10 wt% to 5.00 wt%. Flotation was performed at room temperature with a mass ratio of OBDCs to the degreaser of 1:10, a stirring speed of 400 rpm, an aeration head aperture of 3 μm and airflow rate of 400 mL/min under N(2) injection for 60 min. After the flotation treatment, the oil content of the OBDCs decreased from 5.00 wt% to 2.01 wt%. Advanced oxidation was performed at room temperature with a mass ratio of OBDCs to water of 1:10, 3.57 wt% sodium persulphate in water, 4.17 wt% ferrous sulphate heptahydrate in water and ultrasonication power of 1000 W for 100 min. Following the advanced oxidation treatment, the oil content of the OBDCs decreased from 2.01 wt% to 0.58 wt%. The results of this study provide a new method and idea for treating OBDCs with high oil content. Elsevier 2023-11-07 /pmc/articles/PMC10658313/ /pubmed/38027985 http://dx.doi.org/10.1016/j.heliyon.2023.e22004 Text en © 2023 The Authors https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Research Article
Xu, Qian
Ma, Liang
Zhang, Linjing
Zhang, Yichen
Song, Yingfa
Fang, Shenwen
Ultrasonication-flotation-advanced oxidation tertiary treatment of oil-based drilling cuttings
title Ultrasonication-flotation-advanced oxidation tertiary treatment of oil-based drilling cuttings
title_full Ultrasonication-flotation-advanced oxidation tertiary treatment of oil-based drilling cuttings
title_fullStr Ultrasonication-flotation-advanced oxidation tertiary treatment of oil-based drilling cuttings
title_full_unstemmed Ultrasonication-flotation-advanced oxidation tertiary treatment of oil-based drilling cuttings
title_short Ultrasonication-flotation-advanced oxidation tertiary treatment of oil-based drilling cuttings
title_sort ultrasonication-flotation-advanced oxidation tertiary treatment of oil-based drilling cuttings
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10658313/
https://www.ncbi.nlm.nih.gov/pubmed/38027985
http://dx.doi.org/10.1016/j.heliyon.2023.e22004
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