Methods and compositions for wastewater treatment
OwnerKen Brummettinventor
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Abstract
Methods and compositions for wastewater treatment. The compositions comprise CaCO3, MgCO3, lanthanum chloride, or chitosan, and can be applied easily with conventional wastewater treatment processes and equipments. The methods and compositions of the present invention significantly improve treatment efficiency and reduce amount of required chemical additives.
Claims27
A composition for wastewater treatment, comprising a mixture of about 50-90% calcium carbonate (CaCO3) and 10-50% magnesium carbonate (MgCO3).
A method for treating wastewater, the method comprising
- (1) adding a first composition comprising a mixture of about 50-90% calcium carbonate (CaCO3) and 10-50% magnesium carbonate (MgCO3) to the wastewater to be treated, and
- (2) adding a second composition comprising chitosan to the wastewater to be treated.
A method for treating wastewater, the method comprising
- (1) adding a first composition comprising a mixture of about 50-90% calcium carbonate (CaCO3) and 10-50% magnesium carbonate (MgCO3) to the wastewater to be treated, and
- (2) adding a second composition comprising lanthanum choloride to the wastewater to be treated.
A method for treating wastewater, the method comprising
- (1) adding a first composition comprising a mixture of about 50-90% calcium carbonate (CaCO3) and 10-50% magnesium carbonate (MgCO3) to the wastewater to be treated,
- (2) adding a second composition comprising chitosan to the wastewater to be treated, and
- (3) adding a third composition comprising lanthanum chloride to the wastewater to be treated.
Dependencies are inferred from the claim text.