公开(公告)号：DE2961506D1

公开(公告)日：1982-01-28

申请号：DE2961506

申请日：1979-07-18

Applicant: BASF AG

Inventor： LINHART FRIEDRICH DR DIPL CHEM ,  GIRGENSOHN BJOERN DR DIPL CHEM ,  ZEEH BERND DR DIPL CHEM

IPC: B01J27/00 ,  C07B61/00 ,  C07C67/00 ,  C07C239/00 ,  C07C259/06 ,  C07D307/68 ,  C07C83/10

Abstract: N-Cyclohexyl-N-methoxyacetoacetamide, its preparation and its use as an intermediate for the preparation of O-methyl-N-cyclohexyl-2,5-dimethylfuran-3-hydroxamic acid.

公开(公告)号：DE3111615A1

公开(公告)日：1982-10-07

申请号：DE3111615

申请日：1981-03-25

Applicant: BASF AG

Inventor： DEGEN HANS-JUERGEN DR DIPL CHE ,  GUENDER WOLF DR DIPL CHEM ,  LINHART FRIEDRICH DR DIPL CHEM ,  AUHORN WERNER DIPL ING ,  FREY GUENTER DR DIPL CHEM ,  STREIT WERNER DR DIPL CHEM ,  FIKENTSCHER ROLF DR DIPL CHEM

IPC: C02F1/58 ,  B01D21/01 ,  B01D37/02 ,  C02F1/28 ,  C02F1/52 ,  C02F1/54 ,  D21C11/00

Abstract: A process for removing anionic compounds from water which is recycled in manufacturing processes, and from waste water, by adding (1) water-soluble products obtained by reacting an alkylating agent, having an aromatic substituent, with a cationic polyelectrolyte and (2) mineral adsorbents and/or a magnesium salt, aluminum salt or iron salt, with formation and flocculation of water-insoluble reaction products.