Our Clients

Industry Challenges

Food, dairy and agro processing plants produce strong effluent that is often digested into biogas, and their frying, roasting and rendering lines release odorous exhaust. The four points below are the main problems these plants face.

Biogas from Effluent

Effluent digesters produce biogas with hydrogen sulphide that has to be removed before the gas is used.

Seasonal Production

Gas flow follows the crop, the milk supply or the processing season.

Surplus Gas

Gas that the boilers or engines cannot take has to be burned safely.

Process Odour

Frying, roasting and rendering exhaust carries odour that reaches the plant's neighbours.

The CRA Edge

CRA supplies the gas handling for food and agro biogas plants, from H₂S scrubbing to engines and flares, and thermal oxidisers for process odour, all built in its own factories.

Scrubbing for Engines

Biological scrubbers suit continuous gas-engine duty.

Gas Conditioning

Drying and boosting prepare the gas for engines and boilers.

Surplus Gas Flares

Enclosed flares burn surplus and off-spec gas.

Odour Oxidation

Thermal oxidisers destroy odorous process exhaust.

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