Council of Scientific and Industrial Research

Pramod Prabhakar Moghe

Prakash Kondiba Bahirat

Ashwini Vinayak Pol

Paul Ratnasamy

Robert Raja

Vinita Vinay Panchanadikar

Madhav Gopal Kotasthane

Ajit Ramesh Joshi

Vinod Kashinath Dhargalkar

Priyadarshini Kudlu

Shekhar Prakash Bahirat

Arvind Gajanan Untawale

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 fromand, 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.

Process for the treatment of industrial effluents using marine algae to produce potable wafer

This invention relates to a process for treating an effluent comprising a mixture of spent wash and black liquor, said process comprising mixing the effluent with a flocculating agent consisting of a mixture of salts of Group III and transition metals, mixture of natural earth's along with an oxide of alkaline earth metal followed by treating with a combination of ion exchange resins.

Process for treatment of mixture of spent wash from distillery and black liquor from pulp and paper industry

This invention relates to a process for the hydroxylation of napthalene to .varies. and .beta. naphthols which comprises reacting napthalene with hydrogen peroxide in the presence of a solid catalyst containing an organotransition metal complex wherein some or all of the hydrogen atoms of the said organotransition metal complex have been substituted by one or more electron withdrawing group in the presence of solvents, with or without promoter and isolating the naphthols formed by conventional methods.

Process for the preparation of .alpha. and .beta. napthol by

An improved process is provided for the preparation of a mixture of guaiacol and p-methoxy phenol which comprises reacting anisole with hydrogen peroxide in the presence of a solid catalyst containing an organotransition metal complex wherein some or all of the hydrogen atoms of the said organotransition metal complex have been substituted by one or more electron withdrawing groups, and isolating the mixture of guaiacol and p-methoxy phenol formed.

Process for the preparation of a mixture of guaiacol and p-methoxy phenol

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Pramod Prabhakar Moghe