T/UNP 789-2025 Active Group standards

T/UNP 789-2025 Technical specification for electrochemical treatment of heavy metal wastewater

Publish Date: 2025-07-23 Implement Date: 2025-07-23 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/UNP 789-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Physiotherapy and traditional Chinese medicine instruments and equipment

ICS Name: Integrated Environment and Environmental Protection

Publish Date: 2025-07-23

Implement Date: 2025-07-23

Scope

This standard specifies the scope of electrochemical treatment of heavy metal wastewater, normative reference documents, terms and definitions, general requirements, technical selection principles, process design, electrochemical treatment technologies, safety requirements, and environmental requirements. It covers various treatment technologies such as electrical flotation, electroflocculation, electrochemical oxidation, electro-Fenton, and electrochemical reduction. It clarifies the applicable pollutants, operating parameters, process combinations, and maintenance requirements of each technology. At the same time, it proposes specific norms for project site selection and layout, safety protection, and environmental discharge, aiming to provide comprehensive and scientific technical guidance for the electrochemical treatment of heavy metal wastewater, ensuring that the treatment process is safe, efficient, and in line with environmental protection requirements.