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Ultrafast atomic layer deposition of alumina layers for solar cell passivation.

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JES

Ultrafilterable air-drying clear coatings for the furniture industry

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Overspray recycling, with ultrafiltration, is discussed for water-borne coatings.

Ultrafiltered water-based paints operating without stabilisers

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Report on system where overspray paint is directly recovered for re-use by ultrafiltration. Excellent corrosion resistance is claimed for coatings of this paint, likewise adhesion. Photo shows recycling unit.

Ultrafiltrate treated by electrodialysis

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Ultrafiltrate of electrodeposition bath is electrodialyzed, wherein at least 1 electrode is separated from ultrafiltrate and other electrode by membrane, ultrafiltrate containing ionic materials which deposit on electrode(s) impairing electrical efficiency of cell. Deposited electrode is removed from electrodialysis cell while cell is simultaneously replaced with electrode free of deposit.

Ultrafiltration

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Ultrafiltration for purification of cleaning solns. is described together with cost analysis.

Ultrafiltration

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Principles and applications of ultrafiltration are surveyed. Specifications of commercial membranes are tabulated and theory underlying solvent transport, concentration polarisation and dia-filtration explained. Industrial applications of ultrafiltration include treatment of cathodic electrocoating wastes, for which there are > 350 units worldwide. US ultrafiltration market is estimated at $50 million p.a.

Ultrafiltration

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Principles of ultrafiltration, installation of systems, and applications in the surface treatment and finishing industries are discussed. Some examples of uses, including recycling paint from electrophoretic coating, deionising aqueous liquids and purifying air from spray booths.

Ultrafiltration - A Method to Increase the Life of Degreasing Baths

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Use of title process is discussed with flowsheets and tables listing membrane behaviour in presence of various organic or inorganic (e.g silicates) species, some which can be easily tolerated, others not.

Ultrafiltration for cataphoretic products

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Review of application of ultrafiltration for purifying cathodic electrocoating baths.

Ultrafiltration for Concentrating Aqueous Cationic Electrophoretic Paint

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Ultrafiltration for Effluents with Dispersed Phases

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Case study with photos of Spanish plastics Co which uses U/F to recover process water & even uses concentrates.

Ultrafiltration for extended cleaning bath life

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Discussion with photos of equipment of the use of ultrafiltration to extend cleaner bath life, also noting its use in ECM (electrochemical machining) and electrochemical deburring. www.kh-pfaff.de

Ultrafiltration for recovery of water-borne paints from spray booth

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Results of ultrafiltration recovery of water-borne paints using modified polyvinylidene fluoride asymmetric membranes are shown. Field research in factory had purpose of recovering paint collected by water curtains in spray booths. Treatment by ultrafiltration of exhausted water (enriched by paint) yielded concentrate reusable for spray painting and permeate reused as curtain to collect spray dust in spray booths.

Ultrafiltration Handbook

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Overview of membrane separation processes & historical developments; review of membranes,their chemistry, structure, function; testing methods; modelling of U/F processes. U/F equipment; fouling of U/F membranes; process design; applications incl. electrocoat paint recovery, effluent treatment. Appendix lists books, journals & general refs. on U/F.

Ultrafiltration helps to save raw materials

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Use of ultrafiltration for recovery of overspray in painting plant operating with water thinnable paints is discussed.