Process for the treatment of industrial effluents using...

Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Destruction of hazardous or toxic waste

Reexamination Certificate

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C502S007000, C210S096100, C210S601000

Reexamination Certificate

active

06929942

ABSTRACT:
The invention relates to a process for the treatment of industrial effluents using marine algae to produce potable water which process comprises the steps of: (i) contacting diluted effluents with marine red algae selected fromPorphyraandLiagora, containing polysaccharides and having sulfate/acetyl functional group on the cell wall and galactopyranose on their cell membrane, for a period of at least 30 minutes preferably under stirring; (ii) treating the effluents from step (i) with calcareous material for a period of at least 30 minutes, preferably under stirring; (iii) separating the coagulated material so formed from the supernatant by conventional methods; and (iv) treating the supernatant with conventional ion-exchange resins such as cationic ion-exchange resins, anionic-ion exchange resins and activated charcoal to produce potable water.

REFERENCES:
patent: 4454044 (1984-06-01), Klein
patent: 5064531 (1991-11-01), Wang
patent: 5176100 (1993-01-01), Fujino
patent: 1974751 (1999-04-01), None
patent: 63-178890 (1999-04-01), None
Bold et al. “Introduction to the Algae”, 1985, 2nd ed., Prentice Hall, p. 21, 395, 516.

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