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Dive into the research topics where Bretz Karl-Heinz is active.

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Featured researches published by Bretz Karl-Heinz.


Archive | 1997

METHOD OF REMOVING OXYGEN, NITRITES AND/OR NITRATES FROM WATER

Bonse Dirk; Brehm Axel; Bretz Karl-Heinz; Derleth Helmut; Darda Bettina; Koch Veronika; Sell Michael


Archive | 1994

Verfahren zur Herstellung kugelförmiger Teilchen

Derleth Helmut Dr; Bretz Karl-Heinz


Archive | 1993

Palladium and rhodium or copper catalyst impregnated in alumina carrier - for separating nitrites and/or nitrates from water, and having abrasion resistance

Bonse Dirk; Bretz Karl-Heinz; Derleth Helmut; Sell Michael


Archive | 1993

Sorption von organischen Verbindungen aus Gasen

Bretz Karl-Heinz; Fuhrmann Kirsten; Hoffmeister Michael; Engelmann Peter; Meyer-Anderson Andreas; Schultz Egon; Wischnat Alf-Eric; Derleth Helmut; Schwetje Norbert


Archive | 1999

VERFAHREN ZUR KATALYTISCHEN BEHANDLUNG VON ORGANISCHE UND ANORGANISCHE VERBINDUNGEN ENTHALTENDEN ABWÄSSERN

Derleth Helmut; Bretz Karl-Heinz; Neuenfeldt Gerhard; Ottmann Alfred; Schindler Hubert


Archive | 1997

VERFAHREN ZUR ENTFERNUNG DES SAUERSTOFF-, NITRIT- UND/ODER NITRATGEHALTES IN WASSER

Bonse Dirk; Brehm Axel; Bretz Karl-Heinz; Derleth Helmut; Darda Bettina; Koch Veronika; Sell Michael


Archive | 1996

METHOD OF CATALYTICALLY TREATING WASTE WATER CONTAINING ORGANIC AND INORGANIC COMPOUNDS

Derleth Helmut; Bretz Karl-Heinz; Neuenfeldt Gerhard; Ottmann Alfred; Schindler Hubert


Archive | 1995

Process for eliminating the oxygen, nitrite and/or nitrate content from water

Bonse Dirk Dr; Brehm Axel Dr; Bretz Karl-Heinz; Derleth Helmut Dr; Darda Bettina; Koch Veronika; Sell Michael Dr


Archive | 1993

Sepg. or reducing oxygen@, nitrite and/or nitrate content contained in water - by treating with hydrogen@, using catalyst comprising palladium, rhodium or copper

Bischoff Michael; Bonse Dirk; Bretz Karl-Heinz; Derleth Helmut; Sell Michael


Archive | 2005

Process for preparing spherical zeolite-containing catalyst particles, catalyst particles per se and their use for epoxidation reactions of olefinic compounds

Strebelle Michel; Derleth Helmut; Bretz Karl-Heinz

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