US2008016768A1PendingUtilityA1

Chemically-modified mixed fuels, methods of production and used thereof

39
Individually held — no corporate assignee on recordPriority: Jul 18, 2006Filed: Jul 18, 2006Published: Jan 24, 2008
Est. expiryJul 18, 2026(expired)· nominal 20-yr term from priority
Inventors:Keith A. TognaCraig T. EuenSteven W. WeeksMohammed I. LoyaMatthew WarrenRichard H. Kendrick
C01B 3/36C01B 2203/025Y02E50/30C10L 3/06
39
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Claims

Abstract

A chemically-modified mixed fuel has been produced, wherein at least part of the fuel is a) cost-efficient, b) renewable and/or a consistent resource (e.g. biogenic fuels), c) easy to use, d) easy to transport and e) relatively “clean” with respect to the amount of time/resources it requires to convert the fuel to a “useable” form. Specifically, a chemically-modified mixed fuel has been developed that comprises methane gas from at least two methane-production sources. In addition, this chemically-modified mixed fuel can be utilized in any process that incorporates a Kellogg Primary Reformer. A method for producing the chemically-modified mixed fuel described herein comprises a) providing a first methane-containing gas from a first methane-production source, b) providing a second methane-containing gas from a second methane-production source, c) blending the first methane-containing gas with the second methane-containing gas at a suitable pressure to form a chemically-modified mixed fuel. In additional embodiments, at least one additional methane-containing gas can be provided from at least one additional methane-production source and blended with the chemically-modified fuel.

Claims

exact text as granted — not AI-modified
1 . A chemically-modified mixed fuel, wherein the fuel comprises methane gas from at least two methane-production sources. 
   
   
       2 . The chemically-modified fuel of  claim 1 , wherein the at least two sources comprises at least one fossil source, at least one biogenic source, at least one abiogenic source or a combination thereof. 
   
   
       3 . The chemically-modified fuel of  claim 2 , wherein the at least two sources comprises at least one fossil source and at least one biogenic source. 
   
   
       4 . The chemically-modified fuel of  claim 3 , wherein the at least two sources consists of at least one fossil source and at least one biogenic source. 
   
   
       5 . The chemically-modified fuel of  claim 2 , wherein the at least one biogenic source comprises landfill gas. 
   
   
       6 . The chemically-modified fuel of  claim 1 , wherein at least one of the methane-production sources comprises natural gas, Area-6 gas, landfill gas or a combination thereof. 
   
   
       7 . The chemically-modified fuel of  claim 1 , wherein the percentage of methane in each of the at least two methane-production sources is greater than about 40%. 
   
   
       8 . The chemically-modified fuel of  claim 1 , wherein the percentage of methane in each of the at least two methane-production sources is greater than about 50%. 
   
   
       9 . The chemically-modified fuel of  claim 1 , wherein the percentage of methane in at least one of the at least two methane-production sources is greater than about 70%. 
   
   
       10 . A fuel-burning process, comprising:
 a Kellogg Primary Reformer System, and   a chemically-modified mixed fuel, wherein the fuel comprises methane gas from at least two methane-production sources.   
   
   
       11 . The chemically-modified fuel of  claim 10 , wherein at least one of the methane-production sources comprises natural gas, Area-6 gas, landfill gas or a combination thereof. 
   
   
       12 . A method for producing the chemically-modified mixed fuel, comprising:
 providing a first methane-containing gas from a first methane-production source,   providing a second methane-containing gas from a second methane-production source, and   blending the first methane-containing gas with the second methane-containing gas at a suitable pressure to form a chemically-modified mixed fuel.   
   
   
       13 . The method of  claim 12 , further comprising at least one additional methane-containing gas which is provided from at least one additional methane-production source and blended with the chemically-modified fuel. 
   
   
       14 . The method of  claim 12 , wherein the first methane-production source and the second methane-production source comprise at least one fossil source, at least one biogenic source, at least one abiogenic source or a combination thereof. 
   
   
       15 . The method of  claim 14 , wherein the first methane-production source and the second methane-production source comprise at least one fossil source and at least one biogenic source. 
   
   
       16 . The method of  claim 15 , wherein the first methane-production source and the second methane-production source comprise consists of at least one fossil source and at least one biogenic source. 
   
   
       17 . The method of  claim 14 , wherein the at least one biogenic source comprises landfill gas. 
   
   
       18 . The method of  claim 13 , wherein the percentage of methane in each of the at least two methane-production sources is greater than about 40%. 
   
   
       19 . The method of  claim 13 , wherein the percentage of methane in each of the at least two methane-production sources is greater than about 50%. 
   
   
       20 . The method of  claim 13 , wherein the percentage of methane in at least one of the at least two methane-production sources is greater than about 70%.

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