Device for altering a feed stock and method for using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/22
B01D-071/02
출원번호
US-0781996
(1997-01-06)
발명자
/ 주소
Rajnik Lawrence S.
St. Julien Dell J.
Xie Yuming
출원인 / 주소
Corning Incorporated
대리인 / 주소
Herzfeld
인용정보
피인용 횟수 :
36인용 특허 :
25
초록▼
A device for altering a feed stock is made of a structure for passage of a feed stock. The structure can be either an extruded unibody structure, or a nested structure. The structure has an interior and an exterior section, and a longitudinal axis, and walls defining two sets of open-ended passages
A device for altering a feed stock is made of a structure for passage of a feed stock. The structure can be either an extruded unibody structure, or a nested structure. The structure has an interior and an exterior section, and a longitudinal axis, and walls defining two sets of open-ended passages which extend along the longitudinal axis. The two sets of passages have different cross sectional shapes or dimensions with respect to each other. When the structure is nested, at least one set of channels have a cross section in the shape of truncated arcs. A method for making the unibody structure involves extruding a plasticized raw material mixture through a die, followed by heat-treating. A method of altering a feed stock which involves passing a feed stock into the device through one set of passages to cause an altering of the feed stock, and thereafter passing the output stream into and through the other set of channels to the exterior of the device.
대표청구항▼
[ What is claimed is:] [1.] A device for altering a feed stock, the device comprising a structure for passage of a feed stock therethrough to produce an altered feedstock, the structure being selected from the group consisting of an extruded unibody structure, and a nested structure, the structure c
[ What is claimed is:] [1.] A device for altering a feed stock, the device comprising a structure for passage of a feed stock therethrough to produce an altered feedstock, the structure being selected from the group consisting of an extruded unibody structure, and a nested structure, the structure comprising an interior and an exterior section, and a longitudinal axis, and walls defining two sets of open-ended passages which extend along the longitudinal axis, the device having means for isolating one set of passages from the feed stock, all the passages being slot-like in cross section, said two sets of passages having cross sectional aspect ratios that are different with respect to each other the passages with the larger cross sectional aspect ratio being closer to the exterior of the structure than the passages with the smaller cross sectional aspect ratio, the passages with the larger cross sectional aspect ratio being manifolded by notches cut into the sides of the structure, and having plugs at both ends, each passage of one set lying immediately adjacent to at least one passage of the other set or to the exterior of the structure, one set of passages for receiving and altering a feedstock, which thereafter passes out of the walls of said one set of passages, and the other set of passages for receiving and discharging the resulting altered feedstock, wherein when the structure is a nested structure, at least some of the passages have a cross section in the shape of truncated arcs. [11.] A method of altering a feed stock, the method comprising:a) passing a feed stock into the device of claim 1 through one set of passages of said device to cause an altering of the feed stock; and thereafterb) passing the output stream resulting from step a into and through the other set of passages of said device to the exterior of said device. A method of claim 11 wherein the feed stock is passed through the device of claim 6, wherein the feedstock is altered by passage through the membrane of said device. A method of altering a feedstock which comprises oxidizable components, the method comprising:a) providing a device for altering a feed stock, which comprises a structure for passage of a feed stock therethrough, the structure being selected from the group consisting of an extruded unibody structure, and a nested structure, the structure comprising an interior and an exterior section, and a longitudinal axis, and walls defining two sets of open-ended passages which extend along the longitudinal axis, the device having means for isolating one set of passages from the feed stock, said two sets of passages having different cross sectional shapes or dimensions with respect to each other, each passage of one set lying immediately adjacent to at least one passage of the other set or to the exterior of the structure, wherein when the structure is a nested structure, at least some of the passages have a cross section in the shape of truncated arcs, wherein the walls of one set of passages have a gas-permeable membrane and the walls of the other set of passages have a catalyst;b) passing oxygen through the membrane-containing passages of the device to cause a controlled amount of oxygen to pass through said membrane into the catalyst-containing passages and at the same time;c) passing a feedstock comprising oxidizable components into the catalyst-containing passages of the device to cause oxidation of at least some of said oxidizable components; and thereafterd) passing the output streams out of the device.
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