公开(公告)号：US3681035A

公开(公告)日：1972-08-01

申请号：US3681035D

申请日：1969-10-01

Applicant: ALLIED CHEM

Inventor： SELMAN MURRAY ,  WAMSER CHRISTIAN A ,  WILKALIS JOHN E

IPC: C01G43/00 ,  C01G43/06

CPC classification number: C01G43/006 ,  C01P2002/72 ,  C01P2006/80

Abstract: PROCESS FOR PREPARING NH4UF5 IN ALPHA CRYSTALLINE FORM BY ADDING TO AN AQUEOUS ACIDIC SOLUTION OF A URANYL SALT CONTAINING CUPRIC IONS, CHLORIDE IONS AND AMMONIUM IONS, HYDROGEN FLUORIDE AND HYDROXYLAMINE, THE HYDROXYLAMINE BEING ADDED IN AMOUNTS AND TIME OF ADDITION SO AS TO MAINTAIN A CONCENTRATION OF AT LEAST ABOUT 0.07 MOL OF HYDROXYLAMINE PER LITER OF SOLUTION UNTIL THE MAJOR PORTION OF THE URANIUM IN THE URANYL SALT HAS BEEN CONVERTED TO NH4UF5.

公开(公告)号：US3281208A

公开(公告)日：1966-10-25

申请号：US24627162

申请日：1962-12-20

Applicant: ALLIED CHEM

Inventor： YODIS ANTHONY W ,  SCHNOOR WALTER G ,  WILKALIS JOHN E

IPC: C01B21/086

CPC classification number: C01B21/086

公开(公告)号：US3100681A

公开(公告)日：1963-08-13

申请号：US791860

申请日：1960-02-10

Applicant: ALLIED CHEM

Inventor： TOWNEND ROBERT V ,  TROUT HORACE Q ,  WILKALIS JOHN E

IPC: C01G43/01

CPC classification number: C01G43/01 ,  C01P2006/80

公开(公告)号：US3928547A

公开(公告)日：1975-12-23

申请号：US47789374

申请日：1974-06-10

Applicant: ALLIED CHEM

Inventor： DALEY WILLIAM D ,  WILKALIS JOHN E ,  PIETERS WIM J M

IPC: C01B17/04

CPC classification number: C01B17/0478 ,  C01B17/0434

Abstract: This invention relates to the reduction of sulfur dioxide to elemental sulfur wherein a feed mixture of a sulfur dioxidecontaining gas and a hydrocarbon reducing agent is reacted at elevated temperatures in the presence of minor amounts of elemental sulfur.

Abstract translation: 本发明涉及二氧化硫还原为元素硫，其中含二氧化硫的气体和烃还原剂的进料混合物在少量元素硫的存在下在升高的温度下反应。

公开(公告)号：US3029129A

公开(公告)日：1962-04-10

申请号：US798060

申请日：1960-02-11

Applicant: ALLIED CHEM

Inventor： TOWNEND ROBERT V ,  WILKALIS JOHN E

IPC: C01G43/06

CPC classification number: C01G43/06