T/CRRA 2401-2025 Active Group standards

T/CRRA 2401-2025 Specification for the Selection of Organic Solvents for the Wet Unsealing of Discarded Photovoltaic Laminates

T/CRRA 2401-2025

Publish Date: 2025-05-12 Implement Date: 2025-05-12 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/CRRA 2401-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Environmental protection

ICS Name: Recycling

Publish Date: 2025-05-12

Implement Date: 2025-05-12

Scope

Scope: This document specifies the terms and definitions for the wet dissolution of waste photovoltaic laminates using organic solvents, the requirements for waste photovoltaic laminates, the requirements for solvent components, the requirements for solvent systems, and environmental protection requirements. This document is applicable to the wet dissolution process of waste photovoltaic laminates encapsulated by ethylene-vinyl acetate copolymer (EVA) films. Main technical content: The standard includes the following four chapters of technical content: Chapter IV: Requirements for waste photovoltaic laminates: This section gives the recommended pretreatment methods for waste photovoltaic laminates and the size requirements for fragments after pretreatment. It also specifies the requirements for the type and thickness of the adhesive film in waste photovoltaic laminates. Chapter V: Requirements for solvent components: This section specifies the requirements for the types of organic solvents used in the wet dissolution of waste photovoltaic laminates, the requirements for functional groups, molecular weight, volatility rate, boiling point, water solubility, and toxicity, to ensure that the selected solvents can effectively destroy the EVA molecular structure while being low-toxic, environmentally friendly, and not easily volatile. Chapter VI: Requirements for solvent systems: This section specifies the requirements for the composition of the solvent systems selected for the wet dissolution of waste photovoltaic laminates, the requirements for dissolution efficiency, dissolution time, solvent residue rate, EVA dissolution rate, heavy metal content, and product separation. Chapter VII: Environmental protection requirements: This section gives the requirements for the discharge of three types of waste: wastewater, waste gas, and waste residue, which should comply with relevant regulations.