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Diethyldithiocarbamate (DDTC), as a versatile organic sulfur compound, has expanded its applications from traditional mineral processing to environmental protection, metallurgy, and other fields. This article analyzes the practical effectiveness of DDTC across different industries through specific case studies.
Applications in Mineral Flotation
In copper ore flotation, DDTC serves as a highly efficient collector, increasing copper recovery rates by 15–20 percentage points. At a large-scale copper mine, replacing traditional xanthates with DDTC improved concentrate grade from 20% to 25% while reducing reagent consumption by 30%. Its unique advantages include:
High selectivity for sulfide copper minerals
Stable froth performance, facilitating operational control
Adaptability to various complex ore types
Applications in Metallurgy
In hydrometallurgy, DDTC is utilized for:
Precious metal extraction: As a precipitant for gold and silver, achieving recovery rates >99%
Wastewater treatment: Effective removal of heavy metal ions (e.g., Cu²⁺, Pb²⁺), reducing concentrations to below 0.1 mg/L in treated water
Electrolytic refining: Improving cathode deposit quality while lowering energy consumption
Innovations in Environmental Remediation
In recent years, DDTC has achieved breakthroughs in the following environmental applications:
Soil remediation: Stabilization treatment for heavy metal-contaminated soil
E-waste recycling: Selective recovery of valuable metals from circuit boards
Industrial wastewater advanced treatment: Combined with membrane technology to achieve near-zero heavy metal discharge
The application value of DDTC continues to expand with technological advancements. Through ongoing innovation and development, it is expected to play an even greater role in resource recycling and environmental pollution control.