🌐 For Sale – Used 1,500 TPD Sulfuric Acid Plant (Double Contact Double Absorption Process)

A complete, unused sulfuric acid production plant is available for sale.
The plant is designed based on the Double Contact Double Absorption (DCDA) process provided by MECS, offering high-purity acid production, exceptional reliability, and efficient heat recovery.
This unit is ideal for companies seeking to expand or establish high-capacity sulfuric acid production with minimal lead time and reduced capital investment.

• Design Capacity: 1,500 tons/day (as 100% H₂SO₄)

• Minimum Capacity: 650 tons/day

• Product Concentration: 98.5% (min)

• Conversion Efficiency: 99.8%

• Operating Design: 339 days/year (3-week turnaround every 18 months)

• Technology Provider: MECS

• Heat Recovery System:

  • 80 t/h high-pressure steam (64 bar, 425°C)

  • 32 t/h medium-pressure steam (9 bar, 220°C)

  • Power generation: up to 23 MW

1. Sulfur Melting & Filtration Section – 506 TPD capacity, dual filtration pits with diatomaceous earth and lime prelayer.

2. SO₂ Formation & SO₃ Conversion Unit – Four catalytic passes using vanadium oxide catalyst with full interpass heat recovery.

3. SO₃ Absorption & Acid Production – Dual absorption towers with ceramic packing, achieving maximum SO₂ conversion.

4. Heat Recovery Section (HRS) – Generates medium-pressure steam from process heat.

5. Steam & Power Generation System – GE Thermodyn turbine and generator, 23 MW output.

• Complete unused plant, available for immediate relocation or installation

• High-efficiency DCDA technology with proven performance

• Integrated power generation system (HP/MP steam network)

• Environmentally compliant – low SO₂ emissions (≤ 278 ppm)

• Reduced project risk and timeline compared to new builds

• Fertilizer, mining, and metallurgical industries

• Refineries and petrochemical complexes

• Chemical and acid supply companies

📞 For full technical documentation, equipment list, and commercial terms, please contact our sales department.