METHODS FOR THE REMOVAL OF CO2 FROM ATMOSPHERIC AIR OR OTHER CO2-CONTAINING GAS IN ORDER TO ACHIEVE CO2 EMISSIONS REDUCTIONS OR NEGATIVE CO2 EMISSIONS

A process for the production of at least one of amorphous carbon or graphite, preferably of carbon black, from atmospheric air, biogas or flue gas CO2 is given, including at least the following steps:a) isolation of concentrated CO2 of a concentration of at least 50% v/v from atmospheric air, green...

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Bibliographische Detailangaben
Hauptverfasser:	SPITERI, Alexander, GUTKNECHT, Valentin, WURZBACHER, Jan André, GEBALD, Christoph
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES PREPARATION OF CARBON BLACK SEPARATION TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	A process for the production of at least one of amorphous carbon or graphite, preferably of carbon black, from atmospheric air, biogas or flue gas CO2 is given, including at least the following steps:a) isolation of concentrated CO2 of a concentration of at least 50% v/v from atmospheric air, green house air or flue gas preferably by means of a cyclic adsorption/desorption process on amine-functionalized adsorbents;b) conversion of said captured CO2 into a gaseous or liquid saturated or unsaturated hydrocarbon by hydrogenation:c) cracking of said saturated or unsaturated hydrocarbon to at least one of amorphous carbon or graphite, preferably carbon black,wherein the H2 resulting from step c) is at least partially used in the hydrogenation of step b).