Circular utilization method in pulping and papermaking processes with straw

Composition for inhibiting calcium salt scale formation

Process for the control of pitch

Three-phase cascade separator

Anaerobic treatment method and anaerobic treatment apparatus

Process for the control of pitch

System and method for the renovation of process water

Reactor comprising a supply distribution system for anaerobic waste water treatment

Method for manufacturing a regenerated particle aggregate

Feedback control scheme for optimizing dewatering processes

Method for removing lignin from water

Method for improving the consolidation and dewatering of suspended particulate matter

Black liquor treatment method

Assembling unit for filtration and adsorption of waste and sewage water

Wet pulping system and method for producing cellulosic insulation with low ash content

Biological process for reducing chemical and biochemical oxygen demand of pulp and paper industrial effluent

TREATMENT OF SOLID CONTAINING MATERIAL DERIVED FROM EFFLUENT

Wet oxidation

Treatment of solid containing material derived from effluent

Biological process for colour reduction of pulp and paper effluent

Method for stabilizing and conditioning urban and industrial wastewater sludge