DADMAC/vinyl trialkoxysilane copolymers for dewatering copper an

De-emulsification of oils

Deashing of heavy hydrocarbon residues

Dehydrating method

Demister-coalescer in a process for removing water from oil

Demulsification of bitumen emulsions using branched water solubl

Demulsification of bitumen emulsions using cationic polymers

Demulsification of bitumen emulsions using combinations of chemi

Demulsification of bitumen emulsions using ionenes

Demulsification of bitumen emulsions using polymers of diquatern

Demulsification of bitumen emulsions using polyureas

Demulsification of bitumen emulsions using water soluble epoxy-c

Demulsification of bitumen emulsions using water soluble salts o

Demulsification of oil emulsions with a mixture of polymers and

Demulsifying petroleum emulsions with aryl sulfonates-oxyalkylat

Demulsifying process

Desalting adjunct chemistry

Desalting process

Dewatering of petroleum-containing sludges with recovery of the

Distillate oil moisture dehazing process