126438 ⎘
Regeneration of pulp liquors or effluent waste waters Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
Sub-classes:METHOD FOR PROCESSING BLACK LIQUOR IN PULP PRODUCTION
#2DEFOAMING AGENT AND COMPOSITIONS CONTAINING THE DEFOAMING AGENT
#3SCALE INHIBITION FOR PULP DIGESTERS
#4PAPER AND PULP FOAM CONTROL AGENT
#5METHODS OF TREATING A KRAFT PROCESS RECOVERY CYCLE TO REDUCE METAL LEVELS AT THE KRAFT PROCESS
#6ANTIFOAM COMPOSITIONS COMPRISING BRANCHED SILOXANES
#7Process for refining fiber and deriving chemical co-products from biomass
#8REGULATING A MICROENVIRONMENT OF ANAEROBIC GRANULAR SLUDGE TO PROMOTE ANAEROBIC DIGESTION AND DELAY CALCIFICATION
#9Green liquor clarification using sedimentation tank during white liquor preparation
#10Use of fly ash in biological process of wastewater treatment systems
#11PROCESS FOR LIGNIN PURIFICATION AND ISOLATION
#12DEFOAMING AGENT
#13A METHOD OF FEEDING A SEALING MEDIUM INTO A LIQUOR FILTER AND A LIQUOR FILTER
#14Methods for separating and refining lignin from black liquor and compositions thereof
#15Method of recovering pulping chemicals from dissolved ash having a high carbonate content
#16Method for recovering catalyst
#17Use of fly ash to treat spent liquor from a thermomechanical pulping process
#18Method for recovering chemicals and by-products from high-sulphidity pulping liquors
#19Process for recausticizing green liquor
#20Method for precipitating lignin from black liquor by utilizing waste gases
#21Method for production of cellulose nano crystals from cellulose-containing waste material
#22System and method for treating process water with separate separation of gases and solids
#23Process for recovering lignin
#24Method for improving separation of carbohydrates from wood pulping and wood or biomass hydrolysis liquors