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Featured researches published by Lepa Klaus.


Archive | 2004

Fraktionierte Regenerierung eines mit Nickelionen beladenen schwach sauren Ionenaustauschers

Brouwer Jan-Willem; Lepa Klaus; Kroemer Jens; Droniou Patrick; Kuhm Peter; Mauer Dieter


Archive | 2002

Production of a nickel-containing solution consisting of a phosphating bath overflow and/or rinsing water comprises phosphating using an acidic phosphatizing solution and optionally further metal ions and an accelerator

Lepa Klaus; Kroemer Jens; Droniou Patrick; Brouwer Jan-Willem; Kuhm Peter


Archive | 2004

Zwei- oder mehrstufiges Membran-Aufbereitungsverfahren von Phosphatierspülwasser

Droniou Patrick; Kroemer Jens; Lepa Klaus; Brouwer Jan-Willem; Kuhm Peter; Peirow Iradj


Archive | 2004

MULTI-STAGE METHOD FOR REPROCESSING WASTE WATER FROM A PHOSPHATING PROCESS, USING A SUBACID ION EXCHANGER

Brouwer Jan-Willem; Kuhm Peter; Droniou Patrick; Kroemer Jens; Lepa Klaus


Archive | 2004

Two-stage or multi-stage method for treating phosphated rinsing water using a membrane

Droniou Patrick; Kroemer Jens; Lepa Klaus; Brouwer Jan-Willem; Peirow Iradj; Kuhm Peter


Archive | 2004

Phosphating by spraying with an aqueous acid phosphating solution useful for phosphating metal surfaces

Droniou Patrick; Kroemer Jens; Lepa Klaus; Czika Franz-Adolf; Hohagen Silvia


Archive | 2004

Regeneration of phosphatizing bath overflow or rinse water involves passage through a weakly acidic ion-exchanger followed by a second weakly acidic ion-exchanger, a strongly acidic ion-exchanger or a reverse osmosis apparatus

Brouwer Jan-Willem; Kuhm Peter; Droniou Patrick; Kroemer Jens; Lepa Klaus


Archive | 2001

Fraktionierte Regenerierung eines mit zweiwertigen Metallionen beladenen schwach sauren Ionenaustauschers

Brouwer Jan-Willem; Lepa Klaus; Kroemer Jens; Droniou Patrick; Kuhm Peter; Mauer Dieter


Archive | 2016

processo de dois estágios para o tratamento anticorrosivo de superfícies metálicas

Arnold Andreas; Rosenkranz Christian; Lepa Klaus; Markou Konstantinos


Archive | 2016

Procedimiento de dos etapas para el tratamiento anticorrosivo de superficies metálicas

Rosenkranz Christian; Arnold Andreas; Lepa Klaus; Markou Konstantinos

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