# US 2014/0197114 A1 · Methods for the remediation of algal blooms

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- Number: US 2014/0197114 A1
- Document ID: US20140197114A1
- Status: Published application
- Kind: A1
- Application number: 14/223,845
- Filed: 2014-03-24
- Published: 2014-07-17
- Earliest claimed: 2011-01-17
- Inventors: John P. Fuhrer
- Web page: https://patentgrep.com/patent/US20140197114A1

## CPC

- A01N 63/50: Isolated enzymes; Isolated proteins (peptides A01N37/46)
- A01N 61/00: Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
- C02F 1/50: by addition or application of a germicide or by oligodynamic treatment {(C02F1/4606, C02F1/467, C02F1/76 take precedence)}
- C02F 1/68: by addition of specified substances, e.g. trace elements, for ameliorating potable water (medicinal water A61K)
- C02F 2103/007: {Contaminated open waterways, rivers, lakes or ponds}
- A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes)

## Abstract

In one embodiment, a remediation agent and method of remediation of an algae bloom are disclosed. The remediation agent contains light absorbing compounds in a buoyant water semi-insoluble and biodegradable casein product. The remediation agent may be distributed by boat or seeded by airplane to remediate or prevent algae blooms.

## Claims

### Claim 1

A method of remediation of an algae bloom, the method comprising:
examining an algae bloom to determine borders of an area of the algae bloom;
selecting a first deployment means for a remediation agent, the remediation agent including a light absorbing compound suspended in a biodegradable semi-soluble casein product to inhibit photosynthesis in the algae; and
with the first selected deployment means, deploying the remediation agent over the area of the algae bloom to cover the algae bloom.

### Claim 2 (depends on 1)

The method of claim 1, further comprising:
suspending a light absorbing compound in the biodegradable protein product to absorb a predetermined range of wavelengths of light.

### Claim 3 (depends on 1)

The method of claim 1, further comprising:
suspending a gas in pockets within the semi-soluble casein product to adjust the buoyancy of the remediation agent towards a surface of water.

### Claim 4 (depends on 3)

The method of claim 3, wherein
the gas is one or more of air, nitrogen, helium, hydrogen, oxygen, methane, and ammonia.

### Claim 5 (depends on 1)

The method of claim 1, further comprising:
suspending an inert material with a specific gravity greater than water within the semi-soluble casein product to adjust the buoyancy of the remediation agent down away from a surface of water.

### Claim 6 (depends on 1)

The method of claim 1, wherein
the deployment means is one or more of a spreader, a truck, a ship, and an airplane.

### Claim 7 (depends on 3)

The method of claim 3, wherein
the water is fresh water.

### Claim 8 (depends on 3)

The method of claim 3, wherein
the water is salt water.

### Claim 9

A method of remediation of an algae bloom, the method comprising:
receiving light into a biodegradable semi-soluble casein product in water;
absorbing light in a predetermined range of wavelengths with a light absorbing compound in the semi-soluble casein product to inhibit algae in an algae bloom; and
dissolving the biodegradable protein product into the water after a predetermined period of time.

### Claim 10 (depends on 9)

The method of claim 9, further comprising:
biodegrading the biodegradable semi-soluble casein product in the water.

### Claim 11 (depends on 9)

The method of claim 9, further comprising:
passing light of wavelengths outside the range of wavelengths;