Chemical modification of waste Allium cepa peels to Cu-complex composite and application as eco environmental oilfield anticorrosion additive

Ekemini Ituen; Lin Yuanhua; Ambrish Singh; Ruiyun Li

Journal of King Saud University: Engineering Sciences (Sep 2021)

Chemical modification of waste Allium cepa peels to Cu-complex composite and application as eco environmental oilfield anticorrosion additive

Ekemini Ituen,
Lin Yuanhua,
Ambrish Singh,
Ruiyun Li

Affiliations

Ekemini Ituen: State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, Sichuan, China; School of Materials Science and Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China; Emerging Materials and Energy Group, Department of Chemistry, University of Uyo, Uyo, Nigeria; Corresponding authors at: State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, Sichuan, China.
Lin Yuanhua: State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, Sichuan, China; School of Materials Science and Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China; Corresponding authors at: State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, Sichuan, China.
Ambrish Singh: State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, Sichuan, China; School of Materials Science and Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China
Ruiyun Li: School of Materials Science and Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan, China

Journal volume & issue: Vol. 33, no. 6
pp. 375 – 385

Abstract

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A new bio-based complex composite material (Cu-EtCPLX) has been synthesized from agricultural waste by chemical treatment of Allium cepa peels ethanol extract with aqueous copper salt at 50 °C. The bio-composite was characterized by UV–Vis, FTIR, DLS, XRD, SEM/EDS and TEM. The efficiency of the composite as anticorrosion additive to oilfield pickling fluid was investigated. Electrochemical and weight loss techniques were used to monitor corrosion process and determine the corrosion rate and inhibition efficiency. Cu-EtCPLX exhibits higher adsorptive capacity on X80 steel surface through its CC and O–H groups, was thermally more stable and efficient in inhibiting steel corrosion in 1 M HCl by 95.8% and 87.2% at 30 °C and 60 °C, respectively. The bio-composite is a mixed type corrosion inhibitor and reduces surface roughness and piting by 56.3% and 70.7% respectively. Corrosion products, mechanism and extent of surface were probed by FTIR, SEM/EDS and AFM techniques. Cu-EtCPLX is a promising highly efficient bio-composite that could be used as green, cheap and sustainable alternative anticorrosion additives for oilfield acid pickling and descaling solutions.

Published in Journal of King Saud University: Engineering Sciences

ISSN: 1018-3639 (Print)
Publisher: Elsevier
Country of publisher: Saudi Arabia
LCC subjects: Technology: Engineering (General). Civil engineering (General)
Website: http://www.journals.elsevier.com/journal-of-king-saud-university-engineering-sciences/

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