Sewage fat recovery and characterization.

G. R.  Niaz; Fasihullah Khan; Aleem Ahmad; M. Altaf Khan; Nayeemuddin

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Sewage fat recovery and characterization.

Author(s)

G. R. Niaz Applied Chemistry Department, Microbiology, University of Karachi, Karachi, Pakistan

Fasihullah Khan Applied Chemistry Department, Microbiology, University of Karachi, Karachi, Pakistan

Aleem Ahmad Applied Chemistry Department, Microbiology, University of Karachi, Karachi, Pakistan

M. Altaf Khan Applied Chemistry Department, Microbiology, University of Karachi, Karachi, Pakistan

Nayeemuddin Pakistan Council of Scientific and Industrial Research (PCSIR), Karachi, Pakistan

Abstract

Experiments were conducted for the extraction of fatty matter from dried primary sludge and protein free primary sludge, using naphta as solvent which is available locally as refinery surplus and is comparatively cheaper. On the average. the percentage recovery of fats from primary sludge and protein free primary sludge were almost identical and thus it was established that the protein separation does not affect the recovery of fat. With a view to characterize the extracted fat. in either case, parameters such as iodine value. saponification value. I.N.S. factor. F.F.A (%) and acid value were determined. Further the comparison of the experimental values of the parameters with those of standard fatty material reveal that there are fair indications that the extracted fat can be put to profitable use.

Publication Details

Page(s) 486-488

DOI DOI not available

Published Journal: Pakistan Journal of Scientific and Industrial Research, Volume: 34, Issue: 12, Year: 1991

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