T/STSI 79-2026 Active Group standards

T/STSI 79-2026 Technical specification for synergistic clean smelting and recovery of multi-source tin-containing solid waste

Publish Date: 2026-03-06 Implement Date: 2026-03-06 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/STSI 79-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Ultrasonic and acoustic radiation flaw detection instruments

ICS Name: Recycling

Publish Date: 2026-03-06

Implement Date: 2026-03-06

Scope

This standard specifies the principles, raw materials, equipment, process control, and environmental and safety requirements of the collaborative clean smelting and recycling process for multi-source tin-containing solid waste. It is applicable to the pure oxygen side-blowing melting furnace technology for processing such solid waste. The process uses gas as fuel and coke as a reducing agent. After batching, feeding, and melting, the reduction reaction is completed, producing products such as lead-tin alloys. The standard specifies indicators such as a direct tin recovery rate of ≥80% and a comprehensive recovery rate of ≥95%. The equipment uses specific melting furnaces and compliant DCS systems. Environmental requirements must be met, and the water reuse rate must be ≥80%. Operations and hazardous waste storage and transportation must comply with corresponding safety standards.