Systems and methods for treating a fluid with a body are disclosed. Various aspects involve treating a fluid with a porous body. In select embodiments, a body comprises ash particles, and the ash particles used to form the body may be selected based on their providing one or more desired properties
Systems and methods for treating a fluid with a body are disclosed. Various aspects involve treating a fluid with a porous body. In select embodiments, a body comprises ash particles, and the ash particles used to form the body may be selected based on their providing one or more desired properties for a given treatment. Various bodies provide for the reaction and/or removal of a substance in a fluid, often using a porous body comprised of ash particles. Computer-operable methods for matching a source material to an application are disclosed. Certain aspects feature a porous body comprised of ash particles, the ash particles have a particle size distribution and interparticle connectivity that creates a plurality of pores having a pore size distribution and pore connectivity, and the pore size distribution and pore connectivity are such that a first fluid may substantially penetrate the pores.
대표청구항▼
1. A method comprising: providing a first porous body having a first pore size distribution;exposing the first porous body to a fluid comprising particles, the particles including a fugitive phase and an ash source, the particles comprising over 10% by mass of the fugitive phase;forming a first laye
1. A method comprising: providing a first porous body having a first pore size distribution;exposing the first porous body to a fluid comprising particles, the particles including a fugitive phase and an ash source, the particles comprising over 10% by mass of the fugitive phase;forming a first layer, comprising the particles, on the first porous body;removing the fluid, leaving at least a portion of the particles in the first layer; andprocessing the first porous body and the first layer to remove the fugitive phase and create a second porous body, the second porous body comprising the first porous body and a second layer comprising the ash source. 2. The method of claim 1, wherein the fluid comprises a gas. 3. The method of claim 2, wherein the gas comprises exhaust from a direct-injection engine, and the particles comprise over 60% by mass of a carbonaceous species. 4. The method of claim 1, wherein the particles have a particle size distribution in which D90 does not exceed 4.6 microns. 5. The method of claim 1, wherein the fugitive phase comprises a carbonaceous species, and removing the fugitive phase includes oxidizing the carbonaceous species. 6. The method of claim 1, wherein the particles comprise over 60% by mass of the fugitive phase. 7. The method of claim 1, wherein the first porous body comprises: an upstream side;a downstream side;one or more upstream channels bounded by walls of the first porous body, the one or more upstream channels open to the upstream side and not open to the downstream side; andforming the first layer includes depositing the particles on the upstream side of one or more walls of the upstream channels. 8. The method of claim 1, wherein the second layer has a higher porosity than that of the first porous body. 9. The method of claim 1, wherein the second layer has a porosity greater than 60%. 10. The method of claim 1, wherein the particles include Phosphorous. 11. The method of claim 1, wherein processing the first porous body and the first layer to remove the fugitive phase includes heating the first layer to a temperature above 400 degrees Celsius. 12. The method of claim 1, wherein forming the first layer comprises filtering the particles from the fluid with the first porous body. 13. The method of claim 1, wherein at least some of the particles are disposed within pores within the first porous body. 14. The method of claim 1, wherein the particles comprise Sulfur. 15. The method of claim 1, wherein at least one of the first porous body and the second layer has a median pore diameter between 1.8 and 12.2 microns. 16. The method of claim 1, wherein the fugitive phase includes a carbonaceous component of the particles as produced by a process that yielded the ash source. 17. The method of claim 1, wherein the second layer comprises ash particles having a particle size distribution in which D90 does not exceed 4.6 microns. 18. The method of claim 1, wherein: the first porous body is configured such that a fluid passing from the inlet to the outlet passes through at least a portion of the porous body, the portion of the porous body comprising: a first region having a first pore size distribution; anda second region having a second pore size distribution, the second region disposed upstream of the first region with respect to the inlet and the outlet. 19. A method comprising: providing a first porous body having a first pore size distribution;exposing the first porous body to a fluid comprising particles, the particles including a fugitive phase and an ash source;forming a first layer, comprising the particles, on the first porous body;removing the fluid, leaving at least a portion of the particles in the first layer; andprocessing the first porous body and the first layer to remove the fugitive phase and create a second porous body, the second porous body comprising the first porous body and a second layer comprising the ash source; wherein:the first porous body has a porosity greater than 40%,the first porous body includes a plurality of upstream channels and a plurality of downstream channels, the upstream channels separated from the downstream channels by porous walls,the fluid includes an exhaust gas,the particles comprise more than 30% fugitive phase,the fugitive phase includes a carbonaceous species,forming the first layer includes: flowing the fluid from the upstream channels to the downstream channels via the walls of the first porous body separating the upstream and downstream channels, andfiltering the particles from the flowing fluid with the walls separating the upstream and downstream channels, andremoving the fugitive phase includes oxidizing the carbonaceous species. 20. The method of claim 19, wherein the carbonaceous species includes an intrinsic component of the particles as produced by a combustion process that yielded the ash source. 21. The method of claim 19, wherein the first porous body has a median pore diameter below 22 microns, and the second layer includes at least one of Sulfur and Phosphorous. 22. The method of claim 19, wherein the particles have a D50 below 2.8 microns. 23. The method of claim 19, wherein the fluid comprises an exhaust from a direct-injection engine and the particles comprise soot particles. 24. The method of claim 19, wherein the particles comprise over 60% by mass of the carbonaceous species. 25. A method comprising: providing a first porous body having a first pore size distribution;exposing the first porous body to a fluid comprising particles, the particles including a fugitive phase and an ash source;forming a first layer, comprising the particles, on the first porous body;removing the fluid, leaving at least a portion of the particles in the first layer; andprocessing the first porous body and the first layer to remove the fugitive phase and create a second porous body, the second porous body comprising the first porous body and a second layer comprising the ash source, wherein the second layer has a porosity greater than 60%. 26. A method comprising: providing a first porous body having a first pore size distribution;exposing the first porous body to a fluid comprising particles, the particles including a fugitive phase and an ash source;forming a first layer, comprising the particles, on the first porous body;removing the fluid, leaving at least a portion of the particles in the first layer; andprocessing the first porous body and the first layer to remove the fugitive phase and create a second porous body, the second porous body comprising the first porous body and a second layer comprising the ash source, wherein removing the fugitive phase includes heating the first layer to a temperature above 400 degrees Celsius. 27. A method comprising: providing a first porous body having a first pore size distribution;exposing the first porous body to a fluid comprising particles, the particles including over 10% by mass of a fugitive phase and an ash source comprising Phosphorous and Sulfur;forming a first layer, comprising the particles, on the first porous body;removing the fluid, leaving at least a portion of the particles in the first layer; andprocessing the first porous body and the first layer to remove the fugitive phase and create a second porous body, the second porous body comprising the first porous body and a second layer comprising the ash source. 28. A method comprising: providing a first porous body having a porosity between 20 and 80% and having a first pore size distribution for which a median pore size is between 5 and 50 microns;exposing the first porous body to a fluid comprising particles, the particles including over 60% by mass of a fugitive phase and an ash source;forming a first layer, comprising the particles, on the first porous body, wherein forming comprises filtering the particles from the fluid with the first porous body;removing the fluid, leaving at least a portion of the particles in the first layer; andprocessing the first porous body and the first layer to remove the fugitive phase and create a second porous body, the second porous body comprising the first porous body and a second layer comprising the ash source, wherein: processing comprises heating the first porous body and the first layer to a temperature above 400 degrees Celsius, andthe second layer comprises ash particles having a particle size distribution in which D90 does not exceed 4.6 microns.
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