대표
청구항
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1. An apparatus, comprising: a multi-stream millichannel heat exchanger, comprising: a first heat exchange millichannel;a second heat exchange millichannel, wherein the first heat exchange millichannel is in thermal communication with the second heat exchange millichannel;a first reaction millichannel, the first reaction millichannel in millichannel fluid communication with the first heat exchange millichannel;a second reaction millichannel, the second reaction millichannel in millichannel fluid communication with the second heat exchange millichannel; a...
1. An apparatus, comprising: a multi-stream millichannel heat exchanger, comprising: a first heat exchange millichannel;a second heat exchange millichannel, wherein the first heat exchange millichannel is in thermal communication with the second heat exchange millichannel;a first reaction millichannel, the first reaction millichannel in millichannel fluid communication with the first heat exchange millichannel;a second reaction millichannel, the second reaction millichannel in millichannel fluid communication with the second heat exchange millichannel; anda third reaction millichannel, the third reaction millichannel in millichannel fluid communication with the second reaction millichannel. 2. The apparatus of claim 1, further comprising a catalyst disposed within the second reaction millichannel. 3. The apparatus of claim 2, wherein the catalyst comprises a suitable active metal and/or metal oxide comprising one or more elements from Groups IIIA, VIIIA or IB, Ce, Pr, Sm, or their oxides and combinations thereof. 4. The apparatus of claim 1, wherein the first reaction millichannel is in thermal communication with the second reaction millichannel. 5. The apparatus of claim 4, wherein the first reaction millichannel is adjacent to the second reaction millichannel. 6. The apparatus of claim 1, further comprising a catalyst disposed within the first reaction millichannel. 7. The apparatus of claim 6, wherein the catalyst comprises a suitable metal or semi-metal and/or their oxides comprising one or more elements from Groups IIIA, IVA, VA, VIIA, VIIIA, IB, IIB, IIIB, IVB, Ce, Pr, Sm, Tb, Th, or their oxides and combinations thereof. 8. The apparatus of claim 1, wherein: the second reaction millichannel comprises a combustion millichannel, the second reaction millichannel in thermal communication with the first reaction millichannel; andthe third reaction millichannel comprises an oxidizer millichannel, the third reaction millichannel in fluid communication with the combustion millichannel. 9. The apparatus of claim 8, further comprising a catalyst disposed within the first reaction millichannel. 10. The apparatus of claim 9, wherein the catalyst comprises a suitable metal or semi-metal and/or their oxides comprising one or more elements from Groups IIIA, IVA, VA, VIIA, VIIIA, IB, IIB, IIIB, IVB, Ce, Pr, Sm, Tb, Th, or their oxides and combinations thereof. 11. The apparatus of claim 8, further comprising a catalyst disposed within the combustion millichannel. 12. The apparatus of claim 11, wherein the catalyst comprises a suitable active metal and/or metal oxide comprising one or more elements from Groups IIIA, VIIIA or IB, Ce, Pr, Sm, or their oxides and combinations thereof. 13. The apparatus of claim 1, wherein: the third reaction millichannel is formed to include one or more apertures, the third reaction millichannel in fluid communication with the second reaction millichannel through the one or more apertures. 14. The apparatus of claim 1, wherein when: a first stream is introduced into the first reaction millichannel;a second stream comprising at least a first reactant is introduced into the second reaction millichannel; andan at least third stream comprising at least a second reactant is introduced into the third reaction millichannel;an at least first unit operation proceeds in the first reaction millichannel, the at least first reactant and the at least second reactant react to form an at least first product via an at least first chemical reaction, and heat energy is transferred between the first reaction millichannel and the second reaction millichannel. 15. The apparatus of claim 14, wherein: the first reactant comprises a fuel; andthe second reactant comprises an oxidizer. 16. The apparatus of claim 15, wherein the first chemical reaction comprises combustion. 17. The apparatus of claim 14, wherein: the first stream comprises an endothermic reactant; andthe endothermic reactant is converted to an endothermic product. 18. The apparatus of claim 17, wherein: the endothermic reactant comprises a hydrocarbon; andthe endothermic product comprises a synthesis gas. 19. A millichannel apparatus, comprising: a plurality of apparatus according to claim 1;a first header in fluid communication with the first reaction millichannel of at least two millichannel apparatus;a second header in fluid communication with the second reaction millichannel of at least two millichannel apparatus; anda third header in fluid communication with the third reaction millichannel of at least two millichannel apparatus. 20. The millichannel apparatus of claim 19, further comprising a fourth header in fluid communication with the first heat exchange millichannel of at least two millichannel apparatus. 21. The millichannel apparatus of claim 20, further comprising a fifth header in fluid communication with the second heat exchange millichannel of at least two millichannel apparatus. 22. The apparatus of claim 1, wherein the third reaction millichannel is adjacent to the second reaction millichannel. 23. A process for carrying out an endothermic reaction, comprising: (a) providing an apparatus according to claim 1;(b) introducing a first stream, comprising at least one endothermic reactant, into the first reaction millichannel, whereby the at least one endothermic reactant is converted to at least one endothermic product;(c) introducing a second stream, comprising a fuel, into the second reaction millichannel; and(d) introducing a third stream, comprising an oxidizer, into the third reaction millichannel, whereby the fuel is oxidized to at least one exhaust product. 24. The process of claim 23, further comprising contacting the at least one endothermic reactant with a catalyst. 25. The process of claim 23, further comprising contacting the oxidizer and fuel with a catalyst. 26. The process of claim 23, wherein: the at least one endothermic reactant comprises a hydrocarbon; and the at least one endothermic product comprises a synthesis gas. 27. The process of claim 26, further comprising exposing the hydrocarbon to a catalyst. 28. The process of claim 26, further comprising exposing the fuel and the oxidizer to a catalyst.