US4356093A
Expired / Lapsed
US
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Method of increasing the effectiveness of or the effective production rate of a process by integrated feed
Assignee: JM Huber Corp
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Filing: 1981-01-30
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Granted: 1982-10-26
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Expires: 2001-01-30
Abstract
Abstract A method of increasing the production or efficiency of a process in which a fluid is passed through a matrix the efficiency of which decreases with use in which the matrix is initially filled at a high rate, and an initial flow rate on the order of not more than three times the final flow rate is employed and subsequently decreased to a final flow rate which is lower than the constant flow rate which would be employed in such a process over a period of time such that the integration of the flow rate with respect to time yields a volume of product greater than or equal to the volume produced at a constant flow rate for such product. The above integrated feed program is described specifically as employed in magnetic separations.
Inventors
- 👤 William F. Abercrombie, Jr.
- 👤 Joey G. Colwell, Jr.
- 👤 Charles R. Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:09
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/06; B03; B03C; B03C1/00; B03C1/002; B03C1/02; B03C1/025; B03C1/027; B03C1/031; B03C1/032; B03C1/033; B03C1/0335; B03C1/034; B03C2201/00; B03C2201/18; Y; Y10; Y10S; Y10S210/00; Y10S210/918
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
292 words
In a method for increasing the production or efficiency of a process in which a fluid is passed over or through a column containing a matrix, or array of elements to remove or change a component of the fluid or the fluid, wherein the efficiency decreases as the matrix or elements become saturated or degenerate in effectiveness with time and/or the passage of fluid over or through said matrix or array of elements; the improvement comprising operating the method using an integrated feed cycle and comprising the following steps: (a) passing said fluid into said column at an initial flow rate Q 1 until said column is full; (b) reducing the flow rate to an initial feed rate Q 2 at T 1 ; (c) decreasing said flow rate over a time period of from T 1 to T 2 to a final feed rate Q 3 and maintaining the feed rate Q 3 to the end of the feed cycle time at T 3 ; wherein Q 1 is the initial flow rate, Q 2 is the initial feed rate, and Q 3 is the final feed rate, T 1 is the time until the initial feed rate begins, T 2 is the time until the feed rate decreases, and T 3 is the time at the end of the feed cycle; and wherein Q 1 is not more than three times Q 3 , and Q 3 is lower than Q 2 , and wherein the process is conducted over a period of time such that the integration of the flow rate with respect to time yields a volume of product greater than or equal to the volume which would be produced at a constant flow rate for such product.
Claim 2
Dependent Claim
292 words
In a method for increasing the production or efficiency of a process in which a fluid is passed over or through a column containing a matrix, or array of elements to remove or change a component of the fluid or the fluid, wherein the efficiency decreases as the matrix or elements become saturated or degenerate in effectiveness with time and/or the passage of fluid over or through said matrix or array of elements; the improvement comprising operating the method using an integrated feed cycle and comprising the following steps: (a) passing said fluid into said column at an initial flow rate Q 1 until said column is full; (b) reducing the flow rate to an initial feed rate Q 2 at T 1 ; (c) decreasing said flow rate over a time period of from T 1 to T 2 to a final feed rate Q 3 and maintaining the feed rate Q 3 to the end of the feed cycle time at T 3 ; wherein Q 1 is the initial flow rate, Q 2 is the initial feed rate, and Q 3 is the final feed rate, T 1 is the time until the initial feed rate begins, T 2 is the time until the feed rate decreases, and T 3 is the time at the end of the feed cycle; and wherein Q 1 is not more than three times Q 3 , and Q 3 is lower than Q 2 , and wherein the process is conducted over a period of time such that the integration of the flow rate with respect to time yields a volume of product greater than or equal to the volume which would be produced at a constant flow rate for such product.
Claim 3
Dependent Claim
25 words
The method of claim 1 wherein the flow rate is decreased between times T 1 and T 2 at the rate shown in FIG. 8.
Claim 4
Dependent Claim
57 words
The method of claim 1 wherein the fill rate is about 450 GPM, the initial fill rate is about 400 GPM, and the flow rate decreases to a rate of about 150 GPM over a time period of about 60 to 735 seconds and continuing at the 150 GPM rate for an about an additional 1000 seconds.
Claim 5
Dependent Claim
295 words
In a method for increasing the production or brightness of a product produced by magnetic separation in a process wherein a fluid is passed over or through a column containing a matrix, or array of elements to remove magnetically susceptible minute particles from the fluid, wherein the efficiency decreases as the matrix or elements become saturated or degenerate is effectiveness with time and/or the passage of fluid over or through said matrix or array of elements; the improvement comprising operating the method using an integrated feed cycle and comprising the following steps: (a) passing said fluid into said column at an initial flow rate Q 1 until said column is full; (b) reducing the flow rate to an initial feed rate Q 2 at T 1 ; (c) decreasing said flow rate over a time period of from T 1 to T 2 to a final feed rate Q 3 and maintaining the feed rate Q 3 to the end of the feed cycle time at T 3 ; wherein Q 1 is the initial flow rate, Q 2 is the initial feed rate, and Q 3 is the final feed rate, T 1 is the time until the initial feed rate begins, T 2 is the time until the feed rate decreases, and T 3 is the time at the end of the feed cycle; and wherein Q 1 is not more than three times Q 3 , and Q 3 is lower than Q 2 , and wherein the process is conducted over a period of time such that the integration of the flow rate with respect to time yields a volume of product greater than or equal to the volume which would be produced at a constant flow rate for such product.
Claim 6
Dependent Claim
295 words
In a method for increasing the production or brightness of a product produced by magnetic separation in a process wherein a fluid is passed over or through a column containing a matrix, or array of elements to remove magnetically susceptible minute particles from the fluid, wherein the efficiency decreases as the matrix or elements become saturated or degenerate is effectiveness with time and/or the passage of fluid over or through said matrix or array of elements; the improvement comprising operating the method using an integrated feed cycle and comprising the following steps: (a) passing said fluid into said column at an initial flow rate Q 1 until said column is full; (b) reducing the flow rate to an initial feed rate Q 2 at T 1 ; (c) decreasing said flow rate over a time period of from T 1 to T 2 to a final feed rate Q 3 and maintaining the feed rate Q 3 to the end of the feed cycle time at T 3 ; wherein Q 1 is the initial flow rate, Q 2 is the initial feed rate, and Q 3 is the final feed rate, T 1 is the time until the initial feed rate begins, T 2 is the time until the feed rate decreases, and T 3 is the time at the end of the feed cycle; and wherein Q 1 is not more than three times Q 3 , and Q 3 is lower than Q 2 , and wherein the process is conducted over a period of time such that the integration of the flow rate with respect to time yields a volume of product greater than or equal to the volume which would be produced at a constant flow rate for such product.
References Cited (Backward Citations)
US3819515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-10-25 | 1986-04-26 | 1986-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-25 | 1990-04-26 | 1990-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-25 | 1994-04-26 | 1994-10-26 | $7700.00 | Window Closed / Lapsed |