Obiettivo THE OBJECTIVES OF THIS "STICKIES" PROJECT ARE: 1. TO INVESTIGATE THE CAUSE OF SUDDEN FELT AND ROLL FOULING ON THE TISSUE MACHINES 2. TO INVESTIGATE THE INFLUENCE OF ZETA-POTENTIAL ON THE FORMATION OF "STICKIES" 3. TO INVESTIGATE THE THEORY THAT A LOW ZETA-POTENTIAL RESULTS IN POOR RETENTION OF ANIONIC PARTICLES ON ANIONICALLY CHARGED FIBRES. THIS RESULTS IN A BUILD-UP OF ANIONIC PARTICLES IN THE WATER CIRCUITS AND A GREATER RISK OF "STICKY" FORMATION DUE TO: - AGGLOMERATION OF HYDROPHOBIC PARTICLES AROUND HYDROPHOBIC SURFACES - GROWTH OF "STICKY" PARTICLES PRESENT IN THE WASTE PAPER DUE TO THEIR ACTION AS COLLECTORS - SUDDEN FLOCCULATION WITH CATIONIC SUBSTANCES - AND SO ON. THE PH, CONDUCTIVITY AND ZETA-POTENTIAL OF THE PROCESS WATER WILL BE MEASURED FREQUENTLY AND ESPECIALLY WHEN THERE ARE PROBLEMS WITH "STICKIES" ON THE TISSUE MACHINES. THE INFLUENCE OF VARIOUS CHEMICAL ADDITIVES ON ZETA-POTENTIAL AND "STICKY" FORMATION WILL BE INVESTIGATED IN AN ATTEMPT TO FIND A RELATIONSHIP BETWEEN "STICKY" FORMATION, DEPOSIT TENDENCY, FELT AND ROLL FOULING, PH, CONDUCTIVITY, ZETA-POTENTIAL AND THE VARIOUS CHEMICAL ADDITIVES. Programma(i) PRE-RAWMAT 2C - Research and development programme (EEC) in the raw materials sector, 1982-1985 Argomento(i) Data not available Invito a presentare proposte Data not available Meccanismo di finanziamento Data not available Coordinatore PAPIERFABRIEK GENNEP Contributo UE Nessun dato Indirizzo WILLEM BOYEWEG 60 POSTBUS 6 6590 AA GENNEP Paesi Bassi Mostra sulla mappa Costo totale Nessun dato