油气田采出水中伴生锂开采：资源、技术与实践

IF 6.7 2区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of water process engineering Pub Date : 2025-07-23 DOI:10.1016/j.jwpe.2025.108356

Chao Zhang , Bo Liu , Shaolin He , Jiaqing Chen , Tianyi Sun

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引用次数: 0

摘要

油气田采出水中的锂是一种潜在的资源，但由于商业竞争的原因，有关其工业开采的信息在文献中很少，这反过来又减缓了回收技术的发展。本文试图从试点和工业实践中挖掘出加速OGPW锂回收的最新进展和经验。在美国、加拿大和中国选定的盆地中，观察到锂储量丰富。从工业实践和经济可行性的角度出发，强调了锂吸附前强化预处理的重要性，提出了采出水的一系列预处理目标。在锂回收方面，美国和加拿大正在启动基于示范测试的商业项目，而中国正在推进几个全过程中试规模的实验。在预处理技术、吸附剂选择、规模控制、产品净化等方面都取得了积极的成果，而中试中存在的问题和解决方案几乎都是本文在文献中首次提出的。耦合吸附与膜分离的直接提锂技术已成为采出水中锂回收的主导工艺，近年来铝基吸附剂被推荐为工业实践的最佳选择。在经济上，较高的锂浓度和较低的深度预处理成本提高了从OGPW中提取锂的可行性。锂显影剂对锂≥75 mg/L的OGPW有积极的恢复作用。如果深度预处理成本控制在10元/m3以内，锂≥50 mg/L的OGPWs回收锂在经济上是可行的。

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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Associated lithium extraction from oil/gas field produced water: Resources, technologies, and practices

Lithium in oil/gas field produced water (OGPW) has been revealed as a potential resource, however, information about its industrial extraction is scare in literatures partly because of commercial competitions, which in turn slows down the development of recovery technology. This paper tries to dig out the latest advances and experiences in pilot and industrial practices for the acceleration of lithium recovery from OGPW. Lithium is observed abundant in oil/gas fields of the selected basins in the USA, Canada and China. From the points of industrial practice and economic feasibility, this paper emphasizes the importance of enhanced pretreatment before lithium adsorption, and proposes a serious of pretreatment targets for produced water. Regarding lithium recovery, the U.S. and Canada are initiating their commercial projects based on demonstration tests, while China is advancing several full-process pilot scale experiments. Positive achievements have been made, including pretreatment technologies, adsorbent selection, scale control and product purification, etc., and the problems and solutions in pilots are presented almost firstly by this paper in the literature. The direct lithium extraction (DLE) technology coupling adsorption and membrane separation has become the dominant process for lithium recovery from produced water, and the aluminum-based adsorbent is recommended as the optimal choice for industrial practice in the near few years. Economically, higher lithium concentrations and lower deep pretreatment costs enhance the feasibility of lithium extraction from OGPW. Lithium developers are positive in recovery of OGPW with Li ≥75 mg/L. If the deep pretreatment costs are controlled within 10 CNY/m³, OGPWs with Li ≥50 mg/L might be financially feasible for lithium recovery.

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来源期刊

Journal of water process engineering Biochemistry, Genetics and Molecular Biology-Biotechnology

CiteScore

10.70

自引率

8.60%

发文量

846

审稿时长

24 days

期刊介绍： The Journal of Water Process Engineering aims to publish refereed, high-quality research papers with significant novelty and impact in all areas of the engineering of water and wastewater processing . Papers on advanced and novel treatment processes and technologies are particularly welcome. The Journal considers papers in areas such as nanotechnology and biotechnology applications in water, novel oxidation and separation processes, membrane processes (except those for desalination) , catalytic processes for the removal of water contaminants, sustainable processes, water reuse and recycling, water use and wastewater minimization, integrated/hybrid technology, process modeling of water treatment and novel treatment processes. Submissions on the subject of adsorbents, including standard measurements of adsorption kinetics and equilibrium will only be considered if there is a genuine case for novelty and contribution, for example highly novel, sustainable adsorbents and their use: papers on activated carbon-type materials derived from natural matter, or surfactant-modified clays and related minerals, would not fulfil this criterion. The Journal particularly welcomes contributions involving environmentally, economically and socially sustainable technology for water treatment, including those which are energy-efficient, with minimal or no chemical consumption, and capable of water recycling and reuse that minimizes the direct disposal of wastewater to the aquatic environment. Papers that describe novel ideas for solving issues related to water quality and availability are also welcome, as are those that show the transfer of techniques from other disciplines. The Journal will consider papers dealing with processes for various water matrices including drinking water (except desalination), domestic, urban and industrial wastewaters, in addition to their residues. It is expected that the journal will be of particular relevance to chemical and process engineers working in the field. The Journal welcomes Full Text papers, Short Communications, State-of-the-Art Reviews and Letters to Editors and Case Studies