US3323575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for dehydrating waste solids concentrates
Assignee: AMERICAN BIOTHERM COMPANY LLC
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Filing: 1966-04-05
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Granted: 1967-06-06
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Expires: 1986-04-05
Abstract
No abstract record available.
Inventors
- 👤 Greenfield Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:16
CPC Classifications
C; C02; C02F; C02F11/00; C02F11/002; Y; Y10; Y10S; Y10S159/00; Y10S159/25; Y10S159/33; Y10S159/905; Y10S203/00; Y10S203/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
228 words
AN APPARATUS FOR DEHYDRATING INITIALLY WATER-CONTAINING WASTE SOLIDS CONCENTRATES, SAID APPARATUS COMPRISING, (1) A TANK ADAPTED TO RECEIVE A STREAM OF SUCH A WASTE SOLIDS CONCENTRATE AND A STREAM OF OIL AND WHEREIN A MIXING OF THESE STREAMS MAY BE EFFECTED, (2) A MULTIEFFECT EVAPORATOR ADAPTED TO HAVE FLUID MATERIAL TO BE HEATED AND EVAPORATED IN IT AND VAPOROUS MATERIAL TO EFFECT THIS HEATING AND EVAPORATING FLOW THROUGH IT COCURRENTLY, AND HAVING A FIRST OUTLET IN ITS LAST EVAPORATING REGION WHEREAT MATERIAL HEATED AND DEHYDRATED IN THIS REGION BUT IN A FLUID STATE ON ACCOUNT OF A CONTENT OF OIL MAY BE WITHDRAWN FROM IT, AND A SECOND OUTLET THEREIN WHEREAT WATER DRIVEN OFF AS VAPOR FROM SAID MIXTURE OF WASTE SOLIDS CONCENTRATE AND OIL IN SAID LAST EVAPORATING REGION MAY BE WITHDRAWN THEREFROM, (3) A CONDUIT EXTENDING FROM SAID TANK TO SAID MULTI-EFFECT EVAPORATOR WHERETHROUGH A MIXTURE OF WASTE SOLIDS CONCENTRATE AND OIL MAY FLOW FROM SAID TANK TO THE INLET OF THE FIRST EVAPORATING REGION OF SAID EVAPORATOR, (4) PRESSING APPARATUS ADAPTED TO EFFECT A SEPARATION OF LIQUID-SOLID MIXTURES INTO THEIR RESPECTIVE LIQUID AND SOLID COMPONENTS, (5) A CONDUIT EXTENDING FROM SAID FIRST OUTLET IN THE LAST EVAPORATING REGION OF SAID MULTI-EFFECT EVAPORATOR TO SAID PRESSING APPARATUS WHERETHROUGH A SUBSTANTIALLY ANHYDROUS MIXTURE OF WASTE SOLIDS AND OIL MAY FLOW FROM SAID EVAPORATOR TO SAID PRESSING APPARATUS.
Claim 2
Independent Claim
228 words
AN APPARATUS FOR DEHYDRATING INITIALLY WATER-CONTAINING WASTE SOLIDS CONCENTRATES, SAID APPARATUS COMPRISING, (1) A TANK ADAPTED TO RECEIVE A STREAM OF SUCH A WASTE SOLIDS CONCENTRATE AND A STREAM OF OIL AND WHEREIN A MIXING OF THESE STREAMS MAY BE EFFECTED, (2) A MULTIEFFECT EVAPORATOR ADAPTED TO HAVE FLUID MATERIAL TO BE HEATED AND EVAPORATED IN IT AND VAPOROUS MATERIAL TO EFFECT THIS HEATING AND EVAPORATING FLOW THROUGH IT COCURRENTLY, AND HAVING A FIRST OUTLET IN ITS LAST EVAPORATING REGION WHEREAT MATERIAL HEATED AND DEHYDRATED IN THIS REGION BUT IN A FLUID STATE ON ACCOUNT OF A CONTENT OF OIL MAY BE WITHDRAWN FROM IT, AND A SECOND OUTLET THEREIN WHEREAT WATER DRIVEN OFF AS VAPOR FROM SAID MIXTURE OF WASTE SOLIDS CONCENTRATE AND OIL IN SAID LAST EVAPORATING REGION MAY BE WITHDRAWN THEREFROM, (3) A CONDUIT EXTENDING FROM SAID TANK TO SAID MULTI-EFFECT EVAPORATOR WHERETHROUGH A MIXTURE OF WASTE SOLIDS CONCENTRATE AND OIL MAY FLOW FROM SAID TANK TO THE INLET OF THE FIRST EVAPORATING REGION OF SAID EVAPORATOR, (4) PRESSING APPARATUS ADAPTED TO EFFECT A SEPARATION OF LIQUID-SOLID MIXTURES INTO THEIR RESPECTIVE LIQUID AND SOLID COMPONENTS, (5) A CONDUIT EXTENDING FROM SAID FIRST OUTLET IN THE LAST EVAPORATING REGION OF SAID MULTI-EFFECT EVAPORATOR TO SAID PRESSING APPARATUS WHERETHROUGH A SUBSTANTIALLY ANHYDROUS MIXTURE OF WASTE SOLIDS AND OIL MAY FLOW FROM SAID EVAPORATOR TO SAID PRESSING APPARATUS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |