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Patent No: CN101090864 [China] Application No: CN2004844790
Title: Process for preparing detergent builder zeolite - A from kimberlite tailings
Issue Date: 22-12-2010 File Date: 30-12-2004
Inventor(s): Keshav Rao; Kamlesh Kumar; Mody H M; Vir Jasra Raksh; Devendra Ghelani; Hemal Ranpara; Chunawala J R; Bajaj H C; Dhar M K; Dipti Barochiya; Suresh Chandra; Somani R S
IPC Classification: C01B39/14
Abstract: The present invention provides a process for the preparation of detergent builder Zeolite-A from Kimberlite tailing generated as solid waste during diamond mining is disclosed. The process comprises, reacting an acid treated Kimberlite tailing with alkali solution to obtain sodium silicate and reacting it with alkaline aluminium source at room temperature and crystallizing at higher temperature to obtain Zeolite-A. The product is useful as builder in detergent formulation.
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Industrial Applications Chemistry, Chemical Processes Polymers [Chemistry, Chemical Processes]