Compositions and methods for the remediation of chemical contamination in subsurface water bearing geological formations
AssigneeCorrectivaction, LLC
InventorsJohn Michael Citterbart, Sam Kumar
Life of this patent
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Abstract
Compositions and methods for decreasing chemical contamination in subsurface water bearing geological formations, comprising an oxidized form of lignitic coal, or its derivatives, preferably leonardite, and at least one surface active agent. The compositions can be applied to an affected water bearing formation by conventional groundwater management methods, e.g., injection wells and groundwater extraction systems.
Claims84
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one cationic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one anionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidize form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one amphoteric surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluling materials of an oxidized form of lignitic coal;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- an oxidized form of lignitic coal;
- and at least one cationic surface active agent;
- and at least one amphotcric surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one cationic surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- an oxidized form of lignitic coal;
- and at least one cationic surface active agent;
- and at least one amphoteric surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- an oxidized form of lignitic coal;
- and at least one anionic surface active agent;
- and at least one amphoteric surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- an oxidized form of lignitic coal;
- and at least one anionic surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological fornation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- an oxidized form of lignitic coal;
- and at least one anionic surface active agent;
- and at least one amphoteric surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- an oxidized form of lignitic coal;
- and at least one amphoteric surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising;
- the soluble eluting materials of an oxidized form of lignitic coal in a concentration sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A method for preparing a composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising the steps of:
- (a) pretreating the oxidized form of lignitic coal having soluble eluting materials and insoluble inert substances in a caustic solution at a pH greater than 10.0 at ambient temperature to dissolve the eluting materials;
- (b) removing the insoluble inert substances from the solution;
- (c) adjusting the concentration of the oxidized form of lignitic coal in the solution by dilution using a hydroxylic solvent with the general formula R--OH, where R.dbd.C.sub.n H.sub.(2n+1), where n=0 to 10;
- (d) adjusting the pH of the solution from about pH 4 to about pH 10 using an inorganic acid, organic acid or reducing agent;
- and
- (e) adding at least one surface active agent in a concentration sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation.
A method for preparing a composition for decreasing chemical contamination in subsurface water bearing geological formations comprising the steps of:
- combining the soluble eluting materials an oxidized form of lignitic coal in a concentration sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition, wherein the concentration of the soluble eluting materials of the oxidized form of lignitic coal component ranges from about 1% to about 40% (by weight of the total composition), and the balance of the composition is water.
A method for preparing compositions for decreasing chemical contamination in subsurface water bearing geological formations, comprising the steps of:
- (a) pretreating the oxidized form of lignitic coal having soluble eluting materials and insoluble inert substances in a caustic solution at a pH greater than 10.0 at ambient temperature to dissolve the eluting materials;
- (b) removing the insoluble inert substances from the solution;
- (c) adjusting the concentration of the oxidized form of lignitic coal in the solution by dilution using a hydroxylic solvent with the general formula R--OH, where R.dbd.C.sub.n H.sub.(2n+1), where n=0 to 10;
- and
- (d) adjusting the pH of the solution from about pH 4 to about pH 10 using an inorganic or organic acid or reducing agent.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one cationic surface active agent;
- and at least one amphoteric surface active agent;
- in concentrations sufficient to complex with a chemical containmant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one cationic surface active agent;
- and at least one amphoteric surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one anionic surface active agent;
- and at least one amphoteric surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one anionic surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one anionic surface active agent;
- and at least one amphoteric surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising;
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one amphoteric surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing gcological formation, and water.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- arid at least one cationic surface active agent;
- and at least one amphoteric surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one cationic surface active agent;
- and at least one amphoteric surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one anionic surface active agent;
- and at least one amphoteric surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one anionic surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one anionic surface active agent, and at least one amphoteric surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A composition for decreasing chemical contamination in subsurface water bearing geological formations, comprising:
- the soluble eluting materials of an oxidized form of lignitic coal;
- and at least one amphoteric surface active agent;
- and at least one nonionic surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing geological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition.
A method for preparing a composition for decreasing chemical contamination in subsurface water bearing geological formations comprising the steps of:
- combining the soluble eluting materials of an oxidized form of lignitic coal, and at least one surface active agent in concentrations sufficient to complex with a chemical contaminant in a subsurface water bearing gcological formation, and water, wherein the insoluble inert substances of the oxidized form of lignitic coal are excluded from said composition, wherein the concentration of the soluble eluting materials of the oxidized form of lignitic coal component ranges from about 1% to about 40% (by weight of the total composition), the concentration of surface active agent component ranges from about 0.5% to about 20% (by weight of the total composition), and the balance of the composition is water.
Dependencies are inferred from the claim text.