Patents

IN247614: A process for the preparation of antioxidants from Hibiscus sabdariffa Calyces

The invention particularly relates to a process for removal of lead from industrial waste waters or effluents using cheap, easily available, easy to handle solid industrial waste as adsorbent from the solid waste selected from leach residue of manganese ore, sea nodule residue, iron precipitate from the zinc extraction, possessing a very high adsorption capacity for the toxic elements like lead which would cause hazardous effects on the environment if disposed off untreated. The process avoids the problem of solvent handling etc. by providing technically simple non-tedious and clean process.

Filing Date: 19-03-2004

Issue Date: 27-04-2011

Applicant: CSIR-Central Food Technological Research Institute (CSIR-CFTRI), Mysore

Patent No: IN247614

Application No: 0523DEL2004

Inventor(s): Guddadarangavvanahally Krishnareddy Jayaprakasha, Ravendra Pratap Singh, Bhabani Sankar Jena

IPC Classification: A23L3/00

Country: India

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