Volm Liquid Ring Compressors Enable Efficient Desulfurization & Green Emission Reduction in Sichuan High-Sulfur Gas Field

1.Low Efficiency

• Effluent sulfur 1,500 mg/L (3× above 500 mg/L discharge limit), with only 40% desulfurization efficiency.

2.High Operating Costs

• Chemical overuse cost ¥8 million/year + excessive sludge disposal.

3.Safety Hazards

• Positive-pressure system leaks risked H₂S exposure, violating environmental and safety standards.

1. Dynamic Process Adaptation

• Skid-mounted modular design, and the skid is pre-engineered with foundation and piping interfaces for one additional identical liquid ring compressor, for future capacity increases;

• VFD control stabilizes vacuum at -45±2 kPa despite inlet fluctuations (-50~-30 kPa).

2. Water-Scarce Operating Condition 

• Closed-loop cooling: 30 kW chiller + plate heat exchanger maintains working fluid at 25±2°C;

• 1,000L buffer tank and automatic make-up valve supports 72-hour runtime without external water.

3. High-Sulfur Corrosion Defense

• S31603 stainless steel impellers/pump body/seal rings (pitting resistance equivalent ≥32);

• Silver-plated bolts and nuts (HV300 hardness) resist sulfide stress cracking;

• Real-time H₂S monitoring (0~10,000 ppm ±1% accuracy) with <19.5% O₂ shutdown.

4. Climate Resilience

• Shelter (30° sloped roof) prevents flooding in 1,200 mm/year rainfall;

• Cabinet heaters + condensate drains ensure PLC stable operation at 90% humidity.

Volm Engineering Director's Insight:

"For high-sulfur applications, customization isn’t simple parameter tweaking—it’s holistic innovation from materials to control logic. Volm’s 'Equipment as Safety Barrier' philosophy delivers reliability that safeguards both productivity and environmental compliance."