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In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
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Related Experiment Video

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Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Quantitative risk-based approach for improving water quality management in mining.

Wenying Liu1, Chris J Moran, Sue Vink

  • 1Centre for Water in the Minerals Industry, Sustainable Minerals Institute, The University of Queensland, Brisbane, Queensland 4072, Australia. wy.liu@uq.edu.au

Environmental Science & Technology
|July 30, 2011
PubMed
Summary

Mining operations face environmental challenges from water use and discharge. This study presents a systematic approach to manage water quality, improving efficiency and reducing environmental risks.

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Area of Science:

  • Environmental Science
  • Mining Engineering
  • Water Resource Management

Background:

  • Freshwater withdrawal and mine water discharge pose environmental risks, driving the mining industry to enhance water management.
  • Water reuse and multiple water sources are employed, but water quality variations hinder efficiency and increase noncompliant discharge risks.
  • Water management, production efficiency, and environmental impact are interconnected within a mine's water system.

Purpose of the Study:

  • To propose a systematic, system-level approach for managing water quality issues in mining operations.
  • To quantitatively forecast risks associated with water quality variations.
  • To evaluate the effectiveness of management strategies in mitigating risks to production and economic viability.

Main Methods:

  • Developing an integrated system-level approach for water management decisions.
  • Implementing quantitative forecasting of water quality risks.
  • Assessing the impact of management strategies on mineral processing efficiency and environmental compliance.

Main Results:

  • The proposed approach enables systematic management of water quality at the system level.
  • Quantitative forecasting of risks associated with water quality variations is achievable.
  • Effectiveness of management strategies in mitigating risks to production and economic viability can be evaluated.

Conclusions:

  • An integrated, system-level perspective is essential for effective water management in mining.
  • The proposed approach provides a framework for proactive water quality risk management.
  • Optimizing water management strategies can enhance both production efficiency and environmental performance.