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Mine Water Treatment, Utilization and Storage Technology
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Mine Water Treatment, Utilization and Storage Technology

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: 20 June 2026 | Viewed by 3263

Special Issue Editors

Prof. Dr. Xiaojun Wang

E-Mail Website
Guest Editor
School of Environment and Energy, South China University of Technology, Guangzhou, China
Interests: rare earth wastewater treatment; ammonia treatment and anammox
Dr. Xiang Li

E-Mail Website
Guest Editor
General Prospecting Institute of China National Administration of Coal Geology, Beijing, China
Interests: mine water geological injection and storage; mine water environment; mine water resource utilization; groundwater dynamics and hydrogeology
Dr. Zhan Yang

E-Mail Website
Guest Editor Assistant
General Prospecting Institute of China National Administration of Coal Geology, Beijing, China
Interests: carbon capture; geological sequestration; machine learning; waste management; plastic waste upcycling

Special Issue Information

Dear Colleagues,

The harmless treatment, resource utilization, and geological storage of mine water are critical research directions for addressing "liquid waste" challenges in coal mining, aiming to achieve coordinated development between energy resource exploitation and ecological environmental protection. We are pleased to invite interdisciplinary contributions that inspire interest among researchers and practitioners in this field. The scope of this Special Issue includes, but is not limited to, the following:

  • Mine Water Treatment Technologies: Physical and chemical methods, biological treatment technologies, and efficient treatment processes.
  • Mine Water Resource Utilization: Industrial reuse, domestic applications, agricultural use, and strategic resource recovery.
  • Mine Water Geological Deep Well Injection and Storage: Site selection criteria, long-term stability and safety, and monitoring systems.
  • Policy and Sustainability: Life cycle environmental risk assessment, policy frameworks, circular economy models, and sustainability.

Prof. Dr. Xiaojun Wang
Dr. Xiang Li
Guest Editors

Dr. Zhan Yang
Guest Editor Assistant

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • high-salinity wastewater
  • mine water treatment
  • mine water utilization
  • resource reuse
  • geological storage technology

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

22 pages, 666 KB  
Article
A Multi-Scale Suitability Assessment Framework for Deep Geological Storage of High-Salinity Mine Water in Coal Mines
by Zhe Jiang, Song Du, Songyu Ren, Qiaohui Che, Xiao Zhang and Yinglin Fan
Water 2025, 17(23), 3407; https://doi.org/10.3390/w17233407 - 29 Nov 2025
Viewed by 903
Abstract
Deep well injection and storage (DWIS) technology provides an effective alternative to address the high cost, energy intensity, and limited scalability of conventional treatments for high-salinity mine water from coal mines. However, the absence of a dedicated site suitability evaluation framework remains a [...] Read more.
Deep well injection and storage (DWIS) technology provides an effective alternative to address the high cost, energy intensity, and limited scalability of conventional treatments for high-salinity mine water from coal mines. However, the absence of a dedicated site suitability evaluation framework remains a major gap. Unlike previous approaches that directly applied CO2 storage criteria, this study refines and restructures the framework based on a systematic analysis of the fundamental differences in mechanisms and risk characteristics unique to mine water storage. Building on the experience of CO2 geological storage assessment, this study analyzes the key differences in fluid properties and storage mechanisms between water and CO2 and, for the first time, establishes a comprehensive site suitability evaluation framework for mine water geological storage. The framework integrates three main dimensions—stability and safety, effectiveness, and socio-economic factors—covering 80 key parameters. The indicator system is organized hierarchically at the basin, target-area, and site levels, and incorporates a multi-scale weight adaptation mechanism that assigns scale-dependent weights to the most influential indicators at each evaluation level. An innovative evaluation methodology combining a “one-vote veto” mechanism, progressive filtering, and multi-factor weighted superposition is proposed to determine storage suitability. This work fills a critical research gap in systematic site selection for deep mine water storage in China. It offers theoretical guidance and an engineering paradigm for overcoming technological bottlenecks in high-salinity water treatment, enabling efficient and low-carbon disposal. The study has important implications for promoting the green transformation of the mining industry and achieving national carbon peaking and neutrality goals. Full article
(This article belongs to the Special Issue Mine Water Treatment, Utilization and Storage Technology)
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18 pages, 2365 KB  
Article
Integrated Environmental–Economic Assessment of CO2 Storage in Chinese Saline Formations
by Wentao Zhao, Zhe Jiang, Tieya Jing, Jian Zhang, Zhan Yang, Xiang Li, Juan Zhou, Jingchao Zhao and Shuhui Zhang
Water 2025, 17(15), 2320; https://doi.org/10.3390/w17152320 - 4 Aug 2025
Cited by 1 | Viewed by 1724
Abstract
This study develops an integrated environmental–economic assessment framework to evaluate the life cycle environmental impacts and economic costs of CO2 geological storage and produced water treatment in saline formations in China. Using a case study of a saline aquifer carbon storage project [...] Read more.
This study develops an integrated environmental–economic assessment framework to evaluate the life cycle environmental impacts and economic costs of CO2 geological storage and produced water treatment in saline formations in China. Using a case study of a saline aquifer carbon storage project in the Ordos Basin, eight full-chain carbon capture, utilization, and storage (CCUS) scenarios were analyzed. The results indicate that environmental and cost performance are primarily influenced by technology choices across carbon capture, transport, and storage stages. The scenario employing potassium carbonate-based capture, pipeline transport, and brine reinjection after a reverse osmosis treatment (S5) achieved the most balanced outcome. Breakeven analyses under three carbon price projection models revealed that carbon price trajectories critically affect project viability, with a steadily rising carbon price enabling earlier profitability. By decoupling CCUS from power systems and focusing on unit CO2 removal, this study provides a transparent and transferable framework to support cross-sectoral deployment. The findings offer valuable insights for policymakers aiming to design effective CCUS support mechanisms under future carbon neutrality targets. Full article
(This article belongs to the Special Issue Mine Water Treatment, Utilization and Storage Technology)
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