Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Destruction of hazardous or toxic waste
Reexamination Certificate
2005-08-16
2005-08-16
Marx, Irene (Department: 1651)
Chemistry: molecular biology and microbiology
Process of utilizing an enzyme or micro-organism to destroy...
Destruction of hazardous or toxic waste
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.
Dhargalkar Vinod Kashinath
Moghe Pramod Prabhakar
Panchanadikar Vinita Vinay
Untawale Arvind Gajanan
Council of Scientific and Industrial Research
Marx Irene
Rankin, Hill Porter & Clark LLP
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