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المؤلفOnawole A.T.
المؤلفHussein I.A.
المؤلفNimir H.I.
المؤلفAhmed M.E.M.
المؤلفSaad M.A.
تاريخ الإتاحة2022-04-25T10:59:44Z
تاريخ النشر2021
اسم المنشورJournal of Chemistry
المصدرScopus
المعرّفhttp://dx.doi.org/10.1155/2021/7698762
معرّف المصادر الموحدhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85101620579&doi=10.1155%2f2021%2f7698762&partnerID=40&md5=70dc1ed3df43a1799d65a4ceaa55630d
معرّف المصادر الموحدhttp://hdl.handle.net/10576/30395
الملخصScale deposition is a pertinent challenge in the oil and gas industry. Scales formed from iron sulfide are one of the troublous scales, particularly pyrite. Moreover, the use of biodegradable environmentally friendly chemicals reduces the cost compared to the conventional removal process. In this work, the chelating abilities of four novel chemicals, designed using the in silico technique of density functional theory (DFT), are studied as potential iron sulfide scale removers. Only one of the chemicals containing a hydroxamate functional group had a good chelating ability with Fe2+. The chelating strength and ecotoxicological properties of this chemical were compared to diethylenetriaminepentaacetic acid (DTPA), an already established iron sulfide scale remover. The new promising chemical surpassed DTPA in being a safer chemical and having a greater binding affinity to Fe2+ upon optimization, hence, a better choice. The presence of oxime (-NHOH) and carbonyl (C=O) moieties in the new chemical showed that the bidentate form of chelation is favored. Moreover, the presence of an intramolecular hydrogen bond enhanced its chelating ability.
اللغةen
الناشرHindawi Limited
الموضوعMolecular Design
Novel Chemicals
Iron Sulfide Scale
العنوانMolecular Design of Novel Chemicals for Iron Sulfide Scale Removal
النوعArticle
رقم المجلد2021
dc.accessType Abstract Only


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