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Activated carbon with active metal sites and process for producing same

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专利汇可以提供Activated carbon with active metal sites and process for producing same专利检索,专利查询,专利分析的服务。并且Activated carbons having uniformly distributed active metal sites are described. A process for making the carbons of this invention comprises, precipitating a lignin solution with various transition metal salts to form a metal lignate slurry, drying the precipitated metal lignate, carbonizing and activating the metal lignate to produce activated carbon with active metal sites. The activated carbons with active metal sites produced according to this process are particularly characterized by having the metal sites uniformly distributed throughout the carbon particle and are useful for catalytic and sorption applications.,下面是Activated carbon with active metal sites and process for producing same专利的具体信息内容。

1. A PROCESS FOR PRODUCING ACTIVATED CARBON CONTAINING ACTIVE METAL SITES WHICH COMPRISES: A. MIXING A NON-SULFONATED AQUEOUS LIGNATE SOLUTION WITH AN AQUEOUS SOLUTION CONTAINING A TRANSITION METAL SALT AT A MOL RATIO OF 2:1 TO 1:1 METAL SALT TO LIGNATE TO THEREBY PRECIPITATE A TRANSITION METAL LIGNATE; B. RECOVERING SAID TRANSITION METAL LIGNATE PRECIPITATE; C. DRYING SAID RECOVERED TRANSITION METAL LIGNATE PRECIPITATE; D. CARBONIZING SAID TRANSITION METAL LIGNATE PRECIPITATE AT A TEMPERATURE BETWEEN 700*F. AND 1,800*F.; AND E. ACTIVATING SAID CARBONIZED TRANSITION METAL LIGNATE AT A TEMPERATURE BETWEEN 1,400*F. AND 1,950*F.
2. THE PROCESS OF CLAIM 1 WHEREIN SAID LIGNIN IS ALKALI LIGNIN.
3. THE PROCESS OF CLAIM 1 WHEREIN SAID LIGNIN IS A HEXAMETHYLENE TETRAMINE MODIFIED LIGNIN.
4. The process of claim 1 wherein said transitional metal is a member of the group consiting essentially of cobalt, aluMinum, nickel, copper and iron.
5. The process of claim 1 wherein said metal lignate is recovered by filtering.
6. The process of claim 5 wherein said recovered lignin is washed prior to drying to remove any excess metals salt.
7. The process of claim 1 wherein the metal lignate is dried and carbonized co-currently.
8. The process of claim 1 wherein the dry metal lignate is carbonized and activated co-currently.
9. The activated carbon product having active metal sites made by the process according to claim 1.
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