WSA PROCESS EQUIPMENT

WSA Wet-Process Sulfuric Acid Equipment and Gas Cleaning Systems

Engineering and equipment support for sulfur-containing gases with H₂S, SO₂, CS₂, COS and mercaptans. Chenway Process supplies WSA condensers, gas-cleaning units, corrosion-resistant piping and project-specific components based on gas composition and operating conditions.

Industrial Solution Structure

Our core offering is organized around two connected business lines for corrosive industrial processes.

How a WSA System Is Evaluated

01 · Feed Gas ReviewComposition, flow rate, moisture, dust, temperature and pressure.
02 · Gas PreparationCooling, cleaning and stabilization before catalytic stages.
03 · ConversionOxidation of sulfur compounds and SO₂ to SO₃ under the selected process conditions.
04 · Acid CondensationControlled formation and condensation of sulfuric acid vapour.
05 · Mist ControlAcid-aerosol control and safe discharge of the treated gas.

Main Equipment and Components

WSA Condensers

Condensation equipment selected for gas moisture, temperature profile, acid concentration and corrosion conditions.

Scrubbers and Gas-Cleaning Units

Pre-treatment equipment for wet, dusty or chemically aggressive gas streams.

Cooling and Heat Exchange

Equipment and process sections used to control temperature before conversion and condensation.

Acid Mist Control

Components for limiting sulfuric-acid aerosol and improving downstream gas handling.

Corrosion-Resistant Piping

Pipes, expansion joints, connections and protective components for wet and corrosive zones.

Project-Specific Internals

Fluoroplastic and corrosion-resistant parts manufactured to drawings or operating requirements.

Application Industries

Coke and By-Product Plants

Treatment of gas streams containing sulfur compounds, moisture, dust and organic impurities.

Metallurgy and Smelting

Equipment selection for variable SO₂ concentration, high temperature and dust loading.

Refining and Petrochemicals

Processing of acid gas and sulfur-containing streams associated with refinery operations.

Chemical Production

Wet sulfuric-acid and gas-treatment sections integrated with existing chemical processes.

Waste-Gas Treatment

Resource recovery from sulfur-containing industrial emissions instead of simple disposal.

Sulfuric Acid Production

Equipment packages and individual units for new plants, upgrades and replacement projects.

Information Required for a Technical Review

  • Gas composition and expected variation
  • Gas flow rate and required capacity
  • Temperature, pressure and moisture
  • Dust and other contaminants
  • Existing process flow diagram
  • Required equipment or project boundary
  • Materials and corrosion requirements
  • Site, utilities and installation limits

Send the available gas data, process diagram or specification. Incomplete information is acceptable for an initial discussion.

Discuss Your WSA Project

Send the gas source, flow rate, sulfur compounds and concentrations, inlet temperature, pressure and operating hours.

Send WSA Process Data