IT1236552B - Treatment of sludge derived from wastewater treatment plant
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Treatment of sludge derived from wastewater treatment plant
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Publication number
IT1236552B
IT1236552BIT02198989AIT2198989AIT1236552BIT 1236552 BIT1236552 BIT 1236552BIT 02198989 AIT02198989 AIT 02198989AIT 2198989 AIT2198989 AIT 2198989AIT 1236552 BIT1236552 BIT 1236552B
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Application filed by Marazzi CeramicafiledCriticalMarazzi Ceramica
Priority to IT02198989ApriorityCriticalpatent/IT1236552B/en
Publication of IT8921989A0publicationCriticalpatent/IT8921989A0/en
Publication of IT8921989A1publicationCriticalpatent/IT8921989A1/en
Application grantedgrantedCritical
Publication of IT1236552BpublicationCriticalpatent/IT1236552B/en
The sludge in wastewater from ceramic industry purification plants is utilised in a process of production of zeolites: for this purpose, the ceramic sludge is subjected to alkaline attack and has hydrated alumina added. The zeolites are then separated as a precipitate.
IT02198989A1989-10-111989-10-11Treatment of sludge derived from wastewater treatment plant
IT1236552B
(en)
Process for obtaining a product which can be used in cement works from purification sludges through treatment with calcium hypochlorite and calcium hydroxide
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0001
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Fee payment date (situation as of event date), data collected since 19931001