CAS 128-04-1 Waste Incinerator Ash Treatment and Heavy Metal Pollution Treatment Chemical

Product Name: Sodium Dimethyl Dithiocarbamate

CAS Number: 128-04-1

Molecular Formula: C3H6NS2Na

Appearance: White to off-white crystalline solid or powder

Density: Approximately 1.2 g/cm³

Melting Point: 250-270°C (decomposes)

Solubility: Soluble in water, slightly soluble in alcohol

Product Description: Sodium Dimethyl Dithiocarbamate (SDMDTC) is a highly adaptable organic sulfur compound, renowned for its multifaceted applications. As a fungicide and pesticide, it plays a pivotal role in agriculture. Within the pharmaceutical industry, it acts as a crucial intermediate for synthesizing various drugs. Moreover, SDMDTC is instrumental in producing other dithiocarbamates and rubber chemicals.
 

Applications:

• Mining Flotation:

  • SDMDTC serves as an exceptional collector in froth flotation processes, greatly enhancing the separation of valuable minerals from waste rock (gangue). It forms complexes with metal ions, allowing for the selective flotation of specific ores.

• Fly Ash Treatment:

  • SDMDTC is vital in treating coal combustion byproducts, particularly fly ash. By immobilizing heavy metals in fly ash, it significantly reduces their mobility and environmental impact. This treatment is crucial when utilizing fly ash in cement production or as a soil amendment.

• Heavy Metal Treatment:

  • Leveraging its chelating properties, SDMDTC forms stable complexes with heavy metal ions, making it indispensable in removing heavy metals from industrial wastewater and contaminated soils, thus aiding in environmental remediation.
  • Cobalt Removal in Zinc Smelting (Hydrometallurgy):
    • In hydrometallurgical zinc purification, SDMDTC is employed as a selective extractant for cobalt. This is essential for treating zinc sulfate solutions, ensuring cobalt impurities are removed to meet zinc product purity standards.
    • This selective complexation of cobalt by SDMDTC facilitates its separation from zinc, enhancing the purification process and enabling the recovery of cobalt as a valuable byproduct.

• Agricultural Soil Treatment:

  • SDMDTC is utilized to remediate heavy metal-contaminated soils. By forming complexes with metals, it reduces their bioavailability and mobility, ensuring safer agricultural practices.

• Industrial Wastewater Treatment:

  • In industrial environments, SDMDTC is applied to treat wastewater laden with heavy metals, ensuring compliance with stringent regulatory discharge standards.