ERG (Air Pollution Control) Ltd products

Packed tower scrubbers are a highly efficient way to remove soluble contaminants from air and other gas streams. Packed towers are also used for stripping contaminants from liquid streams and for direct contact cooling of gas streams.

Tray towers are used for cleaning gas flows which are contaminated with both particulate and soluble noxious gases. Their unique design enables them to capture particulate >2 micron as well as soluble gases to high efficiencies of removal. ERG designs and manufactures each tray scrubber to meet your specific application and detailed requirements.

Spray Towers are used for low efficiency, low capital cost scrubbing of large particulates and highly soluble gaseous contaminants. Spray towers are especially effective for applications where the inlet contaminants hydrolyse to form difficult to handle solids, or where more efficient scrubbing is not desired for budget or technical reasons.

Venturi scrubbers are used for solids removal from flue gases and process vents, providing efficient removal of particulates as small as 0.2 µm (micron). The scrubbers are suitable for mechanically generated (large) and chemically generated (small) particulates with typical particulate size in the range 0.5 to 10 µm. Material loading, density, and solubility are all factored into ERG’s design.

V-tex is an outstanding, patented technology for gas scrubbing and stripping applications. The V-tex® scrubber is especially suited to applications where traditional packed towers cannot be used because they would foul due to solids in the gas and/or liquid streams clogging up the packing media. And the V-tex® provides users with a highly efficient scrubber unit which is more compact than a traditional packed tower. Thanks to the opposed-jet spray nozzle at the heart of the technology, V-tex® gas scrubbers offer flexible, robust operability and unrivalled, maintenance-free availability, across a wide variety of process applications.

Quench vessels are used to rapidly cool hot flue gas, process gas or syngas. ERG has extensive experience of high temperature quenching as the first stage of a wet gas cleaning package, see examples of typical applications here.

Sub-coolers are used to cool saturated gas streams to reduce their temperature and condense out water vapour from the gas. They are frequently used in combination with quench vessels and as part of an abatement package to condition the gas for subsequent treatment stages or simply to reduce the visual impact of the vapour plume at the stack.

Thermal oxidation is a well-established method of treatment of contaminated process gases to meet IED (2010/75/EU) emission targets.

Nitrogen oxides are formed in combustion and also during some reactions involving metals and acids. The treatment approach used depends on the gas temperature, the NOx concentration and the relative proportions of the different nitrogen oxides (NO, NO2, N2O4, N2O2, N2O3 etc) present.