Integrated urea manufacturing plants and processes
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-027/00
C07C-273/00
C01C-001/04
F02C-013/10
출원번호
US-0963349
(2001-09-25)
발명자
/ 주소
Sheppard, Richard O.
Yakobson, Dennis L.
출원인 / 주소
Rentech, Inc.
대리인 / 주소
Martin, RickPatent Law Offices of Rick Martin, PC
인용정보
피인용 횟수 :
13인용 특허 :
39
초록▼
A plant for manufacturing urea from carbonaceous materials, oxygen from an air separation unit and water, preferably steam, is made up of a syngas generator unit, an air separation unit, Fischer-Tropsch unit, a CO2removal unit, a hydrogen removal unit, a methanator unit, an ammonia converter unit an
A plant for manufacturing urea from carbonaceous materials, oxygen from an air separation unit and water, preferably steam, is made up of a syngas generator unit, an air separation unit, Fischer-Tropsch unit, a CO2removal unit, a hydrogen removal unit, a methanator unit, an ammonia converter unit and a urea synthesizer unit. Each of Fischer-Tropsch liquids, ammonia, hydrogen and urea can be recoverable under proper economic conditions. Electrical power is recoverable by the addition of at least one of a steam turbine and a gas turbine which is/are coupled to an electrical generator.
대표청구항▼
A plant for manufacturing urea from carbonaceous materials, oxygen from an air separation unit and water, preferably steam, is made up of a syngas generator unit, an air separation unit, Fischer-Tropsch unit, a CO2removal unit, a hydrogen removal unit, a methanator unit, an ammonia converter unit an
A plant for manufacturing urea from carbonaceous materials, oxygen from an air separation unit and water, preferably steam, is made up of a syngas generator unit, an air separation unit, Fischer-Tropsch unit, a CO2removal unit, a hydrogen removal unit, a methanator unit, an ammonia converter unit and a urea synthesizer unit. Each of Fischer-Tropsch liquids, ammonia, hydrogen and urea can be recoverable under proper economic conditions. Electrical power is recoverable by the addition of at least one of a steam turbine and a gas turbine which is/are coupled to an electrical generator. thienyl, triazolyl, pyrazolyl or thiazolyl. 9. The ACE-2 inhibiting compound of claim 1, wherein said sublinking moiety (CH2)nor (CH2)nO(CH2)n,wherein n is 0, 1, 2 or 3. 10. The ACE-2 inhibiting compound of claim 1, wherein said subanchor moiety is substituted with at least one halogen, CF3,cyano, alkoxy, nitro, ether, thiol, hydroxyl, alkyl, alkenyl, alkynyl, or aldehyde moiety. 11. An ACE-2 inhibiting compound, wherein said compound is of the formula: wherein Q is CH2,O, NH, or NR3,wherein R3is substituted or unsubstituted C1-C5branched or straight chain alkyl, C2-C5branched or straight chain alkenyl, substituted or unsubstituted acyl, aryl, or a C3-C8ring; R6is hydroxyl or a protecting prodrug moiety; R7is a hydrogen atom, carboxylic acid, an amide, a protecting prodrug moiety, hydroxyl, thiol, heterocyclic, alkyl, or an amine; G is a covalent bond, C1-C5alkyl, alkenyl, alkynyl, ether, thioether, amine, or carbonyl; M is heteroaryl, and is substituted with at least one subanchor moiety, linked to M through a sublinking moiety, wherein said sublinking moiety is CH2and said subanchor moiety is selected from the group consisting of 4-chlorophenyl, biphenyl, 3-chlorophenyl, 3,5-dichlorophenyl, 3-methylphenyl, 3,5-dimethylphenyl, 3-CF3-phenyl, 2,5-dichlorophenyl, m-fluorophenyl, m-iodophenyl, methylenedioxyphenyl, m-trifluoromethylphenyl, 2,3-dichlorophenyl, 2,3-difluorophenyl, 2,3-dimethoxyphenyl, p-fluorophenyl, p-nitrophenyl, p-t-butylphenyl, p-isopropyl phenyl, p-trifluoromethoxyphenyl, 3,4-dimethylphenyl, 3,4-chlorophenyl, 4-methylphenyl, 4-cyanophenyl, cycloalkyl, or 4-trifluoromethylphenyl; J is selected from the group consisting of a bond, a substituted or unsubstituted alkyl, alkenyl, or alkynyl moiety; and D is alkyl, alkenyl, alkynyl, aryl, or heteroaryl, optionally linked to G or M to form a ring, and pharmaceutically acceptable salts thereof. 12. The ACE-2 inhibiting compound of claim 1, wherein J is substituted or unsubstituted alkyl. 13. The ACE-2 inhibiting compound of claim 1, wherein J is alkynyl. 14. The ACE-2 inhibiting compound of claim 1, wherein J is a bond and D is alkyl, aryl or heteroaryl. 15. The ACE-2 inhibiting compound of claim 14, wherein D is methyl, ethyl, isopropyl, n-propyl, t-butyl, n-butyl, i-butyl,or pentyl. 16. The ACE-2 inhibiting compound of claim 1, wherein D is heteroaryl. 17. The ACE-2 inhibiting compound of claim 1, wherein D is pyridinyl or imidazolyl. 18. The ACE-2 inhibiting compound of claim 1, wherein D is substituted or unsubstituted phenyl. 19. The ACE-2 inhibiting compound of claim 1, wherein D is cycloalkyl. 20. A pharmaceutical composition comprising a pharmaceutically acceptable carrier and an effective amount of a compound of claim 1. 21. The pharmaceutical composition of claim 20, wherein said ACE-2 inhibiting compound is '2-{1-Carboxy-2-[3-(2,5-dichloro-benzyl)-3H-imidazol-4-yl]-ethylamino}-4-methyl-pentanoic acid, and pharmaceutically acceptable salts thereof. 22. A compound of the formula: and pharmaceutically acceptable salts thereof. 23. The ACE-2 inhibiting compound of claim 11, wherein M is imidazolyl, thienyl, triazolyl, pyrazolyl or thiazolyl. 24. The ACE-2 inhibiting compound of claim 11, wherein J is substituted or unsubstituted alkyl. 25. The ACE-2 inhibiting compound of claim 11, wherein J is alkynyl. 26. The ACE-2 inhibiting compound of claim 11, wherein J is a bond and D is alkyl, aryl or heteroaryl. 27. The ACE-2 inhibiting compound of claim 26, wherein D is methyl, ethyl, isopropyl, n-propyl, t-butyl, n-butyl, i-butyl, or pentyl. 28. The ACE-2 inhibiting compound of claim 11, wherein D is heteroaryl. 29. The ACE-2 inhibiting compound of claim 11, wherein D is pyridinyl or imidazolyl. 30. The ACE-2 inhi
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