Specialised equipment for acid regeneration: especially exhaust fans for acid regeneration, acid regeneration lances, rotary valves, graphite heat exchangers with cooling method (all of the above are patented by our company).
The desulphurisation and decarbonisation gas purification technology using polyethylene glycol dimethyl ether as the absorbing liquid is known as Seleoxl technology in foreign countries and NHD technology in China; this technology is listed in the National Key Industries Cleaner Production Technology Orientation Catalogue of the State Economic and Trade Commission.
The flue gas of a sleeve kiln (lime kiln) is characterised by low pressure, high temperature, dust content, low CO₂ content and contains impurities such as NOx and SO₂.