Methods for fluid phase biodegradation
AssigneeCytec Technology Corp.
InventorsGeorge E. Pierce, Christopher V. Smith
Life of this patent
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Abstract
The present invention relates to the aerobic reaction of compounds such as aromatic, nitro-aromatic, halo-aromatic, aliphatic and halo-aliphatic compounds with a microorganism, the microorganism being a member of the group consisting of microorganisms having ATCC Accession No. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648 and 55649. More particularly, the present invention relates to the aerobic degradation of organic compounds in fluid or solid phase such that the compounds are bioremediated to products containing CO.sub.2 and H.sub.2 O.
Claims64
A method for the bioremediation of a slurry containing at least one compound selected from the group consisting of aromatic, nitroaromatic, halo-aromatic, aliphatic, and halo-aliphatic compounds comprising:
- (a) adjusting the pH of the slurry, if acidic or alkaline, to form a neutral slurry at pH 6-8;
- and
- (b) contacting said neutral slurry with a microorganism, said microorganism being a member of the group consisting of microorganisms having ATCC Accession Nos. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648, and 55649.
A method for the bioremediation of a slurry containing a mixture of at least two compounds selected from the group consisting of aromatic, nitro-aromatic, halo-aromatic, aliphatic, and halo-aliphatic compounds comprising:
- (a) adjusting the pH of a slurry containing a mixture of at least two compounds, if acidic or alkaline, to form a neutral slurry at pH 6-8;
- and
- (b) contacting said neutral slurry with a microorganism, said microorganism being a member of the group consisting of microorganisms having ATCC Accession Nos. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648, and 55649.
A method for fluid phase bioremediation of a solid or sludge containing at least one compound selected from the group consisting of aromatic, nitro-aromatic, halo-aromatic, aliphatic, and halo-aliphatic compounds comprising:
- (a) combining said solid or sludge with water or an aqueous solution to form an aqueous mixture of said solid or sludge;
- (b) imparting energy into said aqueous mixture in a vessel such that said aqueous mixture is fluidized into a slurry;
- (c) adjusting the pH of the slurry, if acidic or alkaline, to form a neutral slurry at pH 6-8;
- and
- (d) contacting said neutral slurry with a microorganism, said microorganism being a member of the group consisting of microorganisms having ATCC Accession Nos. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648, and 55649.
A method for fluid phase bioremediation of a solid or sludge containing a mixture of at least two compounds selected from the group consisting of aromatic, nitro-aromatic, halo-aromatic, aliphatic, and haloaliphatic compounds comprising:
- (a) combining said solid or sludge with water or an aqueous solution to form an aqueous mixture of said solid or sludge;
- (b) imparting energy into said aqueous mixture in a vessel such that said aqueous mixture is fluidized into a slurry;
- (c) adjusting the pH of the slurry, if acidic or alkaline, to form a neutral slurry, at pH 6-8;
- and
- (d) contacting said neutral slurry with a microorganism, said microorganism being a member of the group consisting of microorganisms having ATCC Accession Nos. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648, and 55649.
A method for fluid phase bioremediation of an elastomeric solid or sludge containing at least one compound selected from the group consisting of aromatic, nitro-aromatic, halo-aromatic, aliphatic, and haloaliphatic compounds comprising:
- (a) combining an elastomeric solid or sludge with a detackifying agent to form a solid/detackifying agent or sludge/detackifying agent combination;
- (b) combining said solid/detackifying agent or sludge/detackifying agent combination with water or an aqueous solution to form an aqueous solid/detackifying agent or aqueous sludge/detackifying agent mixture;
- (c) imparting energy into said aqueous solid/detackifying agent or sludge/detackifying agent mixture such that said mixture is fluidized into a slurry;
- (d) adjusting the pH of the slurry, if acidic or alkaline, to form a neutral slurry at pH 6-8;
- and
- (e) contacting said neutral slurry with a microorganism, said microorganism being a member of the group consisting of microorganisms having ATCC Accession Nos. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648, and 55649.
A method for fluid phase bioremediation of an elastomeric solid or sludge containing a mixture of at least two compounds selected from the group consisting of aromatic, nitro-aromatic, halo-aromatic, aliphatic, and halo-aliphatic compounds comprising:
- (a) combining an elastomeric solid or sludge with a detackifying agent and water or an aqueous solution to form a mixture;
- (b) imparting energy into said mixture formed in step (a) such that said elastomeric solid or sludge is fluidized into a slurry;
- (c) adjusting the pH of the slurry, if acidic or alkaline, to form a neutral slurry;
- and
- (d) contacting said neutral slurry with a microorganism, said microorganism being a member of the group consisting of microorganisms having ATCC Accession Nos. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648, and 55649.
A method for fluid phase bioremediation of an elastomeric solid or sludge contaminated with a mixture of at least two compounds selected from the group consisting of aromatic, nitro-aromatic, halo-aromatic, aliphatic, and halo-aliphatic compounds comprising:
- (a) combining an elastomeric solid or sludge containing a mixture of at least two compounds with a detackifying agent;
- (b) combining said solid or sludge/detackifying agent combination with water or an aqueous solution to form an aqueous combination;
- (c) imparting energy into said solid or sludge/detackifying agent aqueous combination in a mixer such that said detackified solid or sludge is fluidized into a slurry;
- (d) adjusting the pH of the slurry, if acidic or alkaline, to form a neutral slurry at pH 6-8;
- and
- (e) contacting said neutral slurry with a microorganism, said microorganism being a member of the group consisting of microorganisms having ATCC Accession Nos. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648, and 55649.
A method for fluid phase bioremediation of an elastomeric solid or sludge contaminated with a mixture of at least two compounds selected from the group consisting of aromatic, nitro-aromatic, halo-aromatic, aliphatic, and halo-aliphatic compounds comprising:
- (a) combining an elastomeric solid or sludge, containing a first mixture at least two compounds with a detackifying agent and water or an aqueous solution to form an aqueous mixture;
- (b) imparting energy into said aqueous mixture formed in step (a) such that said elastomeric solid or sludge is fluidized into a slurry;
- (c) adjusting the pH of the slurry slurry at pH 6-8;
- and
- (d) contacting said neutral slurry with a microorganism, said microorganism being a member of the group consisting of microorganisms having ATCC Accession Nos. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648, and 55649.
Dependencies are inferred from the claim text.