Manufacturing process for producing ammonia from anaerobic digestate liquid

1. A method of producing organic ammonia, comprising:

a. heating a nitrogen-containing organic substrate in an anaerobic digester device to drive a biological anaerobic digestion of the substrate to yield a digestate;

b. collecting an effluent of the digestate;

c. mixing the effluent with air, and heating said effluent in a first chamber separate from said digester to evolve CO 2 -laden gas from the effluent and collecting said CO 2 -laden gas from said first chamber to yield a decarbonized effluent in the first chamber;

d. aerating said decarbonized effluent with air and heating the decarbonized effluent-air mixture to evolve NH 3 from said decarbonized effluent in a second chamber and removing NH 3 vapor; and

e. cooling the NH 3 vapor to yield an aqueous NH 3 product derived from said nitrogen-containing organic substrate without chemical reactions.

2. The method of claim 1 , wherein mixing the effluent with air comprises injecting air into the effluent by passing the effluent through a first Venturi injector tube and injecting air into the effluent through an injection port.

3. The method of claim 2 , wherein said aerating the decarbonized effluent to evolve said NH 3 from the decarbonized effluent includes passing the decarbonized effluent through a second Venturi injector tube and injecting air into the decarbonized effluent through a second injection port.

4. The method of claim 1 , further comprising injecting said NH 3 vapor into a cooled aqueous NH 3 solution to resorb NH 3 from the NH 3 vapor during said step of cooling the NH 3 vapor, wherein injecting said NH 3 vapor into a cooled aqueous NH 3 solution includes passing the cooled aqueous NH 3 solution through a third Venturi injector tube and injecting the NH 3 vapor into the cooled aqueous NH 3 solution through a third injection port.

5. The method of claim 1 , further comprising transferring the decarbonized effluent to a filtering apparatus and filtering the decarbonized effluent to yield water, and supplying said water to a collection chamber.

6. A method of producing organic ammonia, comprising:

a. heating a nitrogen-containing organic substrate in a digestion chamber to yield a nitrogen-rich digestate;

b. collecting an effluent of the digestate;

c. heating said effluent to evolve CO 2 -laden gas from the effluent in a first chamber to lower a pH of said effluent and to produce a decarbonized effluent;

d. passing the decarbonized effluent through Venturi injector tube and injecting air into the decarbonized effluent to cause degassing of NH 3 vapor within a second chamber; and

e. collecting and cooling the NH 3 vapor in a third chamber to yield an aqueous NH 3 solution.

7. The method of claim 6 , wherein said step of heating said effluent drives the chemical equilibrium of ammonium bicarbonate toward the production of NH 3 and CO 2 .

8. The method of claim 6 , further comprising injecting air into the effluent during the step of heating said effluent to produce said decarbonized effluent, wherein injecting air into the effluent includes passing the effluent through a second Venturi injector tube and injecting air into the effluent through the Venturi injection port.

9. The method of claim 6 , further comprising injecting said NH 3 vapor into said aqueous NH 3 solution to resorb NH 3 from the NH 3 vapor, wherein injecting said NH 3 vapor into said aqueous NH 3 solution includes passing the aqueous NH 3 solution through a third Venturi injector tube and injecting the NH 3 vapor into the aqueous NH 3 solution through the Venturi injection port of the third Venturi injector tube.

10. The method of claim 6 , further comprising adding a basic chemical agent to the decarbonized effluent before or during the step of extracting NH 3 from said decarbonized effluent.

11. The method of claim 6 , further comprising transferring the decarbonized effluent to a filtering apparatus and filtering the decarbonized effluent to yield water, and supplying said water to a collection chamber.

12. The method of claim 6 , further comprising injecting CO 2 into said aqueous NH 3 solution to lower the pH of the aqueous NH 3 solution to aid in resorbing NH 3 from the NH 3 vapor, wherein injecting said CO 2 into said aqueous NH 3 solution includes passing the aqueous NH 3 solution through a third Venturi injector tube and injecting the CO 2 into the aqueous NH 3 solution through the Venturi injection port of the third Venturi injector tube.

13. A method of producing organic ammonia, comprising:

a. collecting a nitrogen-containing effluent from an anaerobic digestion process;

b. mixing the effluent with air, and heating said effluent in a first chamber separate from an anaerobic digester to evolve CO 2 -laden gas from the effluent to yield a decarbonized effluent in the first chamber;

c. aerating said decarbonized effluent with air and heating the decarbonized effluent-air mixture to evolve NH 3 from said decarbonized effluent in a second chamber and removing NH 3 vapor; and

d. cooling the NH 3 vapor to yield an aqueous NH 3 product derived from said effluent.

14. The method of claim 13 , wherein mixing the effluent with air comprises injecting air into the effluent by passing the effluent through a first Venturi injector tube and injecting air into the effluent through an injection port.

15. The method of claim 14 , wherein said aerating the decarbonized effluent to evolve said NH 3 from the decarbonized effluent includes passing the decarbonized effluent through a second Venturi injector tube and injecting air into the decarbonized effluent through a second injection port.

16. The method of claim 13 , further comprising injecting said NH 3 vapor into a cooled aqueous NH 3 solution to resorb NH 3 from the NH 3 vapor during said step of cooling the NH 3 vapor, wherein injecting said NH 3 vapor into a cooled aqueous NH 3 solution includes passing the cooled aqueous NH 3 solution through a third Venturi injector tube and injecting the NH 3 vapor into the cooled aqueous NH 3 solution through a third injection port.

17. The method of claim 16 , further comprising concentrating said aqueous NH 3 solution to a concentration of NH 3 and other ammoniacal species in a range of about 3% to about 30% by weight.

18. The method of claim 13 , wherein said heating said effluent drives the chemical equilibrium of ammonium bicarbonate toward the production of NH 3 and CO 2 .

19. The method of claim 13 , further comprising transferring the decarbonized effluent to a filtering apparatus and filtering the decarbonized effluent to yield water, and supplying said water to a collection chamber.