公开(公告)号：IT1145678B

公开(公告)日：1986-11-05

申请号：IT4872880

申请日：1980-05-19

Applicant: CRANE CO

Inventor： PRATT JACK B ,  MESSPLAY THOMAS C

IPC: B01J49/00 ,  B01J

公开(公告)号：US3291311A

公开(公告)日：1966-12-13

申请号：US34120864

申请日：1964-01-30

Applicant: CRANE CO

Inventor： PRATT JACK B ,  LOUIS SLOAN

IPC: B01D15/04 ,  B01D24/38 ,  B01J19/00 ,  C02F1/42

CPC classification number: B01D24/14

公开(公告)号：US3380804A

公开(公告)日：1968-04-30

申请号：US30391063

申请日：1963-08-22

Applicant: CRANE CO

Inventor： GLOVER GEORGE E ,  PRATT JACK B

IPC: B01J49/00 ,  C01G9/00 ,  C22B19/00 ,  D01F13/02

CPC classification number: D01F13/02 ,  B01J49/06 ,  C01G9/003 ,  C22B3/42 ,  C22B19/26 ,  Y02P10/234 ,  Y02P70/627

公开(公告)号：US3306859A

公开(公告)日：1967-02-28

申请号：US33855463

申请日：1963-12-31

Applicant: CRANE CO

Inventor： LOUIS SLOAN ,  NITTI NICHOLAS J ,  PRATT JACK B

IPC: B01J47/02 ,  B01J49/00

CPC classification number: B01J47/026 ,  B01J49/05

公开(公告)号：IT8048728D0

公开(公告)日：1980-05-19

申请号：IT4872880

申请日：1980-05-19

Applicant: CRANE CO

Inventor： PRATT JACK B ,  MESSPLAY THOMAS C

IPC: B01J49/00 ,  B01J

公开(公告)号：CA1139465A

公开(公告)日：1983-01-11

申请号：CA352173

申请日：1980-05-16

Applicant: CRANE CO

Inventor： PRATT JACK B ,  MESSPLAY THOMAS C

IPC: B01J49/00

Abstract: The quantity of salt required in brine regeneration of exhausted ion exchange resins is reduced by prescribed recycling. Brine from a concentrator is passed onto and through a bed of ion exchange resin, and the initial discharge of spent brine from the bed is discarded. Brine subsequently discharged from the resin bed is returned directly to the concentrator for reconcentration and reuse in like manner. The resulting saving in amount of salt used lowers the regeneration cost and reduces the environmental impact inherent in wastage of chemical compositions.

公开(公告)号：CA784145A

公开(公告)日：1968-04-30

申请号：CA784145D

Applicant: CRANE CO

Inventor： SLOAN LOUIS ,  PRATT JACK B ,  NITTI NICHOLAS J