DMSO (Dimethyl Sulfoxide) Plant

Dimethyl sulfoxide (shorted as DMSO) is a sulfur-containing organic compound, remaining a colorless and transparent liquid in atmospheric temperature. It has the characteristics of high polarity, high boiling point, good thermal stability, non-protonic, and miscible with water. It can dissolve in ethanol, propanol, benzene, chloroform, and most organic substances. It is known as the universal solvent.

With our production technology, hydrogen sulfide and methanol are taken as raw material for synthesis of DMS and MM which are oxidized by hydrogen peroxide (HP) to obtain DMSO, composed of DMS synthesis unit, DMS purification unit, DMSO synthesis unit and DMSO purification unit.

Process Features

1. Unique Raw Material Combination:

   • Utilizes methanol (CH₃OH), hydrogen sulfide (H₂S), and hydrogen peroxide (H₂O₂) as core raw materials, combining synthesis and oxidation steps for efficient DMSO production.

2. Green Oxidation Technology:

   • Replaces traditional nitric acid (HNO₃) or nitrogen dioxide (NO₂) with hydrogen peroxide (H₂O₂), generating only water (H₂O) as a byproduct, eliminating harmful emissions like NOx or sulfates.

3. Mild Reaction Conditions:

   • Dimethyl sulfide (DMS) oxidation occurs at low temperatures (50–80°C) and atmospheric pressure, avoiding strong acids or high-pressure equipment, reducing energy consumption and complexity.

4. High-Purity Product:

   • Avoids nitrate residues from traditional methods, achieving >99.5% purity, suitable for high-end applications (e.g., pharmaceuticals, electronics).

  Core Advantages

1. Exceptional Environmental Performance:

   • Zero Pollutant Emissions: H₂O₂ oxidation produces only water, eliminating NOx treatment challenges.

   • Low Toxicity: Avoids toxic reagents (e.g., dimethyl sulfate) and nitrate contamination, aligning with green chemistry principles.

2. Enhanced Safety:

   • No corrosive acids (e.g., HNO₃) required in oxidation, reducing equipment corrosion risks; H₂O₂ is stable and safer than NO₂.

3. Competitive Product Quality:

   • High-purity DMSO meets demands of premium markets (e.g., cryopreservation, LCD cleaning), commanding higher market value.

4. Operational Flexibility:

   • Modular design allows optimization of DMS synthesis and oxidation steps, supporting batch or continuous production for diverse industrial scales.