US5305697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for disposing of waste material
Assignee: NCE Corp
•
Filing: 1993-01-26
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Granted: 1994-04-26
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Expires: 2013-01-26
Abstract
Abstract A waste disposal system (10) which provides for the destruction of solid and liquid waste materials, through a controlled and monitored flow, from the loading of the material to be processed to the expulsion of clean nontoxic and sterile air and inert solid residue. The system includes; a waste loading module (30), a shredding module (33), an injection module (34), a first combustion chamber (40), a second combustion chamber (50), a first cooling module (60), an electrostatic module (701), a reducing catalyst module (70), an oxidizing catalyst module (80), a liquid filtering module (90), a neutralization module (100) and a second cooling module (101).
Inventors
- 👤 Ralph F. Greene
- 👤 Patrick C. Malone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:47
CPC Classifications
F; F23; F23J; F23J15/00; F23J15/006; F23G; F23G5/00; F23G5/006; F23G5/32; F23G2207/00; F23G2207/10; F23G2207/101; F23G2207/102; F23G2207/113; F23G2208/00; F23G2900/00; F23G2900/55; F23G2900/55003; F23J2215/00; F23J2215/30; F23J2215/40; F23J2215/60; F23J2217/00; F23J2217/10; F23J2217/102; F23J2219/00; F23J2219/10; F23J2219/30; F23J2219/40
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
67 words
A method for disposing of waste material comprising: (a) incinerating said waste material in an oxygen rich atmosphere to produce ash and exhaust; (b) firing said exhaust in an oxygen starved atmosphere to produce a fired exhaust; and then (c) filtering said fired exhaust in a neutralizing solution to remove particles contained in said fired exhaust and for chemically treating said fired exhaust to reduce harmful gasses.
Claim 2
Independent Claim
67 words
A method for disposing of waste material comprising: (a) incinerating said waste material in an oxygen rich atmosphere to produce ash and exhaust; (b) firing said exhaust in an oxygen starved atmosphere to produce a fired exhaust; and then (c) filtering said fired exhaust in a neutralizing solution to remove particles contained in said fired exhaust and for chemically treating said fired exhaust to reduce harmful gasses.
Claim 3
Dependent Claim
20 words
The method of claim 1 wherein said harmful gasses comprise one of the following: CO, NO, SO 2 or HCL.
Claim 4
Dependent Claim
23 words
The method of claim 1 further comprising the step of agitating said waste material and ash during said incinerating step to increase incineration.
Claim 5
Dependent Claim
14 words
The method of claim 1 further comprising the step of cooling said fired exhaust.
Claim 6
Dependent Claim
17 words
The method of claim 1 further comprising the step of filtering said fired exhaust to remove particles.
Claim 7
Dependent Claim
24 words
The method of claim 1 further comprising the step of treating said fired exhaust to remove by-products of combustion contained in said fired exhaust.
Claim 8
Dependent Claim
27 words
The method of claim 1 further comprising the steps of agitating said neutralizing solution and mixing said fired exhaust with said neutralizing solution during said filtering step.
Claim 9
Dependent Claim
16 words
The method of claim 1 wherein the step of incinerating further comprises using a non-stoichiometric combustion.
Claim 10
Dependent Claim
39 words
The method of claim 1 wherein the step of incinerating further comprises: heating said oxygen rich atmosphere; introducing said waste material; and suspending said waste material in said oxygen rich atmosphere for at least a predetermined period of time.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-04-25 | 1997-10-25 | 1998-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-04-25 | 2001-10-25 | 2002-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-04-25 | 2005-10-25 | 2006-04-26 | $7700.00 | Window Closed / Lapsed |