Physicochemical assessment and treatment of produced water: A case study in Niger delta Nigeria

Q1 Earth and Planetary Sciences
Kingsley Tamunokuro Amakiri , Naomi Amoni Ogolo , Athanasios Angelis-Dimakis , Oshienemen Albert
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引用次数: 5

Abstract

The most important waste stream created during oil and gas production is oilfield-produced water. When discharged without treatment, it poses a significant risk of pollution of marine ecosystems. While adequate treatment before disposal is acceptable, achieving authorized discharge criteria continues to be a problem for the petroleum sector. This research examined the physicochemical characteristics of produced water at various month intervals before and after treatment. Heavy metal and organic component concentrations in water samples were determined using atomic absorption spectroscopy and gas chromatography. The results indicate that produced water from a certain Niger Delta oilfield contains significant amounts of heavy metals and some organic compounds after treatment. The present laws, as well as the measurement of dispersed oil and grease content, have been in place for a long period of time without considerable change, even though most dangerous components in produced water are dissolved. It is recommendable for the prospective field developers/operators to consider the dissolved components of produced water and consider the economic consequences of adopting tertiary produced water polishing technologies.

采出水的理化评价和处理:以尼日利亚尼日尔三角洲为例
石油和天然气生产过程中产生的最重要的废物流是油田采出水。如果未经处理排放,则会对海洋生态系统造成严重污染。虽然在处置前进行充分处理是可以接受的,但达到授权排放标准仍然是石油部门的一个问题。本研究检测了处理前后不同月份采出水的理化特性。采用原子吸收光谱和气相色谱法测定了水样中重金属和有机成分的浓度。结果表明,尼日尔三角洲某油田采出水经处理后含有大量重金属和有机物。现行法律以及分散油和油脂含量的测量已经实施了很长一段时间,尽管采出水中最危险的成分已经溶解,但没有发生重大变化。建议潜在的油田开发人员/运营商考虑采出水的溶解成分,并考虑采用三级采出水精处理技术的经济后果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Petroleum Research
Petroleum Research Earth and Planetary Sciences-Geology
CiteScore
7.10
自引率
0.00%
发文量
90
审稿时长
35 weeks
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