公开(公告)号：DE50105354D1

公开(公告)日：2005-03-24

申请号：DE50105354

申请日：2001-09-29

Applicant: BASF AG

Inventor： SCHIERLE-ARNDT DR ,  STERZEL DR ,  SCHLAEFER DR ,  GUTH JOSEF ,  FRIEDRICH DR ,  ZEHNER DR

IPC: B01J31/20 ,  B01J23/745 ,  C07B61/00 ,  C07C29/70 ,  C07C31/30

公开(公告)号：DE50006784D1

公开(公告)日：2004-07-22

申请号：DE50006784

申请日：2000-03-28

Applicant: BASF AG

Inventor： SCHIERLE DR ,  PUETTER DR ,  HUBER GUENTHER ,  SCHLAEFER DR ,  GUTH JOSEF

IPC: C25C1/02 ,  C25C1/24 ,  C25C3/02

Abstract: Lithium production from aqueous solution, by lithium amalgam formation and use as a moving anode in an electrolysis cell, is new. Metallic lithium is produced from an aqueous lithium salt solution by forming a lithium amalgam from the solution and using amalgam as a moving anode in an electrolysis cell containing a lithium ion conductive solid electrolyte and a molten lithium cathode. Preferred Features: The lithium amalgam anode is moved by stirring and/or pumping under atmospheric or slightly elevate pressure. The amalgam is produced by chlor-alkali electrolysis.

公开(公告)号：DE50005958D1

公开(公告)日：2004-05-13

申请号：DE50005958

申请日：2000-06-09

Applicant: BASF AG

Inventor： HUBER GUENTHER ,  PUETTER DR ,  SCHIERLE-ARNDT DR ,  SCHLAEFER DR ,  GUTH JOSEF

IPC: C25B1/36 ,  C25C3/02 ,  C25C7/00 ,  C25C7/02 ,  C25C7/04 ,  C25D1/14

Abstract: Electrolysis cell comprises a moving alkali metal amalgam-containing anode, an alkali metal ion-conducting solid electrolyte, and a cathode. The solid electrolyte and the cathode are separated from each other by a liquid electrolyte.

公开(公告)号：DE59801060D1

公开(公告)日：2001-08-30

申请号：DE59801060

申请日：1998-03-11

Applicant: BASF AG

Inventor： SCHLAEFER DR ,  MAUSS DR ,  RAULS DR ,  BAUMANN DIETER

IPC: C01D1/30

Abstract: Production of crystalline NaOH . 3.5H2O, involves crystallising NaOH.3.5H2O from an aqueous NaOH solution oversaturated with NaOH . 3.5H2O, and removing the crystals using a mechanical solid/liquid separator. The solid/liquid separation occurs under conditions in which crystalline NaOH.3.5H2O can be liberated from the lye residues; the NaCl content of the crystalline NaOH . 3.5H2O being ≤ 100 mg per kg.