公开(公告)号：US3708508A

公开(公告)日：1973-01-02

申请号：US3708508D

申请日：1971-04-09

Applicant: ATOMIC ENERGY COMMISSION

Inventor： SCHULZ W

IPC: B01D15/04 ,  B01J39/04 ,  B01J41/04 ,  B23K20/12 ,  C07F9/02 ,  G21C19/46 ,  B01F1/00 ,  C07F9/08

CPC classification number: G21C19/46 ,  B01J39/05 ,  B01J41/05 ,  C07F9/025 ,  Y02W30/883

Abstract: Tributyl phosphate solutions used in reprocessing nuclear fuel are purified and removed by passing them through a bed of particles of a macroreticular anion or cation exchange resin whereby the chemical and radiolytic degradation products and fission products present in the used solution are adsorbed on the resin. The tributyl phosphate used as extractant may be mixed with a diluent, e.g., C10-C14n-paraffins. Utilization of a macroreticular resin bed may eliminate the need to wash the tributyl phosphate extractant with large volumes of dilute Na2CO3 solution and thus avoids generation and disposal of a large volume of radioactive waste.

Abstract translation: 用于后处理核燃料的磷酸三丁酯溶液通过使其通过大网络阴离子或阳离子交换树脂的颗粒床而被净化和除去，由此使用的溶液中存在的化学和放射分解产物和裂变产物被吸附在树脂上。 用作萃取剂的磷酸三丁酯可以与稀释剂例如C10-C14n-链烷烃混合。 大网状树脂床的利用可以消除用大量稀Na 2 CO 3溶液洗涤磷酸三丁酯萃取剂的需要，从而避免大量放射性废物的产生和处置。

公开(公告)号：US3679580A

公开(公告)日：1972-07-25

申请号：US3679580D

申请日：1970-07-13

Applicant: CONSIGLIO NAZIONALE RICERCHE

Inventor： BOARI GIANFRANCO ,  LIBERTI LORENZO ,  MERLI CARLO ,  PASSINO ROBERTO

IPC: B01D15/04 ,  B01J39/04 ,  B01J49/00 ,  C02F1/00 ,  C02F1/20

CPC classification number: C02F1/20 ,  B01J39/07 ,  B01J49/08 ,  C02F1/42 ,  C02F2301/08 ,  B01J41/07 ,  B01J39/05

Abstract: A PROCESS FOR THE DE-IONIZATION OF AQUEOUS SALINE SOLUTIONS BY MEANS OF ION EXCHANGE TREATMENT IS DISCLOSED, THE PROCESS BEING CHARACTERIZED BY THE FACT THAT THE PROCESS IS CARRIED OUT BY USING A CATION EXCHANGER, AN ANION EXCHANGER AND A CATION EXCHANGER ARRANGED IN SERIES, AND WHEREIN THE FIRST CATION EXCHANGER IS CONSTITUTED OF ESSENTIALLY WEAK CATION EXCHANGE RESINS AND THE ANION EXCHANGER IS CONSTITUTED OF WEAK ANION EXCHANGE RESINS, THE PROCESS COMPRISING THE STEPS OF: PASSING THE AQUEOUS SOLUTION TO BE DE-IONIZED THROUGH THE FIRST CATION EXCHANGER, THEN THROUGH THE ANION EXCHANGER AND AT LAST

THROUGH THE SECOND CATION EXCHANGER; RECYCLING A PART OF THE SOLUTION EFFLUENT FROM THE ANION EXCHANGER UPSTREAM OF THE FIRST CATION EXCHANGER AND CONTROLLING THE RECYCLE IN ORDER TO OBTAIN A METHYL ORGANE ALKALINITY IN THE SOLUTION FEEDING THE FIRST CATION EXCHANGER, AND IF NECESSARY, DECARBONATING THE SOLUTION EFFIUENT FROM THE LAST CATION EXCHANGER AND RECYCLING THE RECOVERED CO2 UPSTREAM OF THE ANION EXCHANGER.

Abstract translation: 1311163离子交换CONSIGLIO NAZIONALE DELLE RICERCHE 1970年7月9日[1969年7月12日] 33291/70标题B1J去离子溶液通过弱酸性阳离子交换剂，至少部分流出物通过弱碱性阴离子交换剂， 交换机。 来自离子交换剂的至少部分流出物被供给到阳离子交换剂进料中，以确保在再循环期间所述进料具有甲基橙碱度。 CO 2可以从流出物中除去并用于在该过程的阶段中循环使用。

公开(公告)号：US3661775A

公开(公告)日：1972-05-09

申请号：US3661775D

申请日：1970-07-01

Applicant: ROHM & HAAS

Inventor： MIYAHARA AKIMITSU ,  FUJITA MINORU ,  YAMAMOTO ISAO ,  KATAMURA TAMAKO

IPC: B01J39/04 ,  C02B1/68

CPC classification number: B01J39/05 ,  B01J41/05 ,  B01J41/07

Abstract: THIS INVENTION INVOLVES A 3-BED ION EXCHANGE WATER DEIONIZATION SYSTEM. THE FIRST BED CONTAINS A STRONGLY ACIDIC CATION EXCHANGE RESIN; THE SECOND BED CONTAINS A WEALKY BASIC ANION EXCHANGE RESIN; AND THE THIRD BED CONTAINS A STRONGLY BASIC ANION EXCHANGE RESIN. WATER TO TO DEIONIZED IS PASSED DOWN THROUGH THE FIRST COLUMN. THE EFFLUENT IS DIVIDED INTO TWO PARTS, THE MAJOR PORTION BEING MADE TO PASS DOWN THROUGH THE SECOND OR WEAKLY BASIC RESIN, EVENTUALLY, THROUGH THE THIRD COLUMN CONTAINING THE STRONGLY BASIC RESIN. THE MINOR PORTION OF THE EFFLUENT FROM THE CATION EXCHANGE BED IS MIXED TOGETHER WITH THE EFFLUENT FROM THE WEAKLY BASIC BED AND THEN SENT DOWN THROUGH THE STRONGLY BASIC RESIN BED. THE EFFLUENT FROM THE THIRD COLUMN OR STRONGLY BASIC RESIN BED IS THE DEIONIZED WATER.

公开(公告)号：US3394079A

公开(公告)日：1968-07-23

申请号：US67523967

申请日：1967-10-13

Applicant: RITTER PFAUDLER CORP

Inventor： DURANDO MILLER ,  ADAMS RALPH C

IPC: B01J39/04 ,  B01J41/04 ,  B01J49/00

CPC classification number: B01J49/10 ,  B01J39/05 ,  B01J41/05 ,  B01J39/07 ,  B01J41/07

公开(公告)号：US3278517A

公开(公告)日：1966-10-11

申请号：US36723164

申请日：1964-05-13

Applicant: KYOWA HAKKO KOGYO KK

Inventor： HIROFUTO MARUMO ,  SHUNICHI TATSUMI ,  YOSHIKI TANAKA ,  TOSHIO IKEMOTO

IPC: B01J39/04 ,  C12N15/10 ,  C12P19/30

CPC classification number: C12P19/30 ,  B01J39/05 ,  C12N15/1003 ,  B01J41/05

公开(公告)号：US3214294A

公开(公告)日：1965-10-26

申请号：US28848263

申请日：1963-06-17

Applicant: CORN PRODUCTS CO

Inventor： HARRY MEISEL

IPC: A23G3/32 ,  B01J39/04 ,  C12C5/04

CPC classification number: C12C5/04 ,  A23G3/32 ,  B01J39/05 ,  Y10S127/01 ,  B01J41/04

公开(公告)号：US3173949A

公开(公告)日：1965-03-16

申请号：US11307861

申请日：1961-05-29

Applicant: SHINSHIN FOOD IND CO LTD

Inventor： MASATAMI TANAKA ,  YOSHIATSU AOKI

IPC: B01J39/04 ,  C12P13/14

CPC classification number: C12P13/14 ,  B01J39/05 ,  B01J39/07

公开(公告)号：US2993906A

公开(公告)日：1961-07-25

申请号：US72005858

申请日：1958-03-10

Applicant: METRO ATLANTIC INC

Inventor： SPRENGER GERHARD E ,  ALBRECHT HANS W

IPC: B01J39/04 ,  C07D233/32 ,  C07D233/34

CPC classification number: C07D233/32 ,  B01J39/05 ,  C07D233/34

公开(公告)号：US2682835A

公开(公告)日：1954-07-06

申请号：US25873451

申请日：1951-11-28

Applicant: US ARMY

Inventor： JACK MEISTER

IPC: B01J39/04 ,  G01N33/96

CPC classification number: G01N33/96 ,  B01J39/05 ,  G01N2496/05 ,  G01N2496/80

公开(公告)号：US20240157354A1

公开(公告)日：2024-05-16

申请号：US18284351

申请日：2022-01-27

Applicant: ORGANO CORPORATION

Inventor： Noriko TAKADA ,  Kaoru NUKUI

IPC: B01J47/016 ,  B01J39/05 ,  B01J39/07 ,  B01J45/00

CPC classification number: B01J47/016 ,  B01J39/05 ,  B01J39/07 ,  B01J45/00

Abstract: A dry ion exchange resin manufacturing method includes: obtaining a purified cation exchange resin by bringing a cation exchange resin to be purified into contact with a mineral acid solution having a metal impurity content of 1 mg/L, or less and a concentration of 5% by weight or more, to purify the cation exchange resin, wherein a total metal impurity elution amount eluted when hydrochloric acid having a concentration of 3% by weight is passed through the purified cation exchange resin with a volume ratio of 25 times is at most equal to 5 μg/mL-R; and a drying step of drying the purified cation exchange resin under reduced pressure at 80° C. or lower until the moisture content is at most equal to 5% by weight.