SCFI Gr Limited products

The AquaCritox NC is a hydrothermal oxidation to treat recalcitrant waste streams such as mixed and refinery spent caustics. The process uses purified oxygen (>90%) as the source of oxidant and operates at optimised pressures and temperatures ranging from 100 – 165 bar and 220 – 300°C.

The AquaCritox SCWO is a hydrothermal oxidation process focused on treating recalcitrant waste streams. The system is suitable for wastes ranging from sewage sludge containing PFAS, to API-containing waste from pharmaceuticals, to solvent waste, and beyond. AquaCritox SCWO is the alternative to incineration for wet waste treatment. The process uses purified oxygen (>90%) as the source of oxidant and operates at optimised pressures and temperatures ranging from 221 – 260 bar and 374 – 620°C. Unlike incineration, no water is boiled off, and no harmful off-gases are generated.

The AquaCritox LP is a low-pressure hydrothermal oxidation (Wet Air Oxidation) solution specifically aimed at treating purely sulphidic spent caustic streams. The multi-step hydrothermal oxidation process uses air as the oxidant and operates at pressures up to 5 barg and temperatures up to 160°C.

The AquaCritox H is a hydrothermal oxidation process specifically aimed at treating predominantly sulphidic spent caustic waste streams with low flow rates. Hydrogen Peroxide (H₂O₂) is used as the oxidant and the process operates at pressures of 4 barg and temperatures up to 140°C.

The AquaCritox Oxalate is a hydrothermal decomposition process focussed on treating oxalate found in spent Bayer liquor from the production of alumina from Bauxite. The process does not use an oxidant and operates at optimised pressures and temperatures around 95 to 110 bar and 300 to 315°C.