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US4072798A Expired / Lapsed US ⏱️ 0.0 years remaining

Bioelectric neutralization of acid waters

Assignee: United States Department of the Interior
•
Filing: 1977-07-26
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Granted: 1978-02-07
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Expires: 1997-07-26
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Abstract

Abstract An apparatus to be used in a process for bioelectric neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid, the apparatus comprising a buoy riding on the surface of the water, and upper electrode preferably of carbon suspended from the buoy in the acid supernatant liquid, a lower electrode preferably of iron embedded in the anaerobic mud and a flexible, insulated electrical conductor preferably an insulated copper cable, conductively attached to the upper and lower electrodes. A plurality of sets of apparatus may be used spaced apart from each other in the body of water.

Inventors

  • 👤 Frederick D. Sisler
  • 👤 Frank E. Senftle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:30
CPC Classifications
C; C02; C02F; C02F9/00; C02F1/00; C02F1/46; C02F1/461; C02F1/46104; C02F1/46176; C02F3/00; C02F3/02; C02F3/12; C02F3/20; C02F3/202; C02F3/28; H; H01; H01M; H01M8/00; H01M8/16; C02F2101/00; C02F2101/10; C02F2101/20; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02W; Y02W10/00; Y02W10/10

Claims Analysis

Total Claims: 29
Claim 1
Independent Claim 111 words
A process for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid, said liquid consisting essentially of acid sulfate-containint water, comprising the step of placing in the body of water an apparatus comprising: A. a buoy; B. an upper electrode suspended from the buoy; C. a flexible insulated electrical conductor conductively attached to the upper electrode; and D. a lower electrode conductively attached to the insulated electrical conductor; wherein the buoy rides on the surface of the body of water; wherein the upper electrode is suspended in the acid supernatant liquid; wherein the lower electrode is embedded in the anaerobic mud.
Claim 2
Dependent Claim 111 words
A process for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid, said liquid consisting essentially of acid sulfate-containint water, comprising the step of placing in the body of water an apparatus comprising: A. a buoy; B. an upper electrode suspended from the buoy; C. a flexible insulated electrical conductor conductively attached to the upper electrode; and D. a lower electrode conductively attached to the insulated electrical conductor; wherein the buoy rides on the surface of the body of water; wherein the upper electrode is suspended in the acid supernatant liquid; wherein the lower electrode is embedded in the anaerobic mud.
Claim 3
Dependent Claim 18 words
The process of claim 1 wherein the body of water is a lake of acid mine waste water.
Claim 4
Dependent Claim 14 words
The process of claim 1 wherein the body of water is an acid-polluted river.
Claim 5
Dependent Claim 14 words
The process of claim 1 wherein the buoy has an integrally formed loop-shaped handle.
Claim 6
Dependent Claim 13 words
The process of claim 1 wherein the upper electrode is a carbon electrode.
Claim 7
Dependent Claim 16 words
The process of claim 1 wherein the insulated electrical conductor is a plastic coated copper cable.
Claim 8
Dependent Claim 13 words
The process of claim 6 wherein the copper cable is a coaxial cable.
Claim 9
Dependent Claim 13 words
The process of claim 1 wherein the lower electrode is an iron electrode.
Claim 10
Dependent Claim 15 words
The process of claim 8 wherein the lower electrode has a configuration comprising barbed hooks.
Claim 11
Dependent Claim 19 words
The process of claim 1 wherein a plurality of sets of apparatus are placed in the body of water.
Claim 12
Dependent Claim 50 words
The process of claim 10 wherein each set of apparatus is spaced from each next set of apparatus at a distance such that the measure of the current flowing in the insulated electrical conductor no longer increases with increasing distance between the embedded lower electrodes of each set of apparatus.
Claim 13
Dependent Claim 137 words
A process for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid, said liquid consisting essentially of acid sulfate-containing water, by placing in the body of water a plurality of sets of apparatus each set of apparatus comprising: A. a buoy; B. an upper electrode suspended from the buoy; C. an insulated electrical conductor conductively attached to the upper electrode; and D. a lower electrode conductively attached to the insulated electrical conductor said lower electrode being embedded in said anaerobic mud; said process comprising spacing each set of apparatus from each next set of apparatus at a distance such that the measure of the current flowing in the insulated electrical conductor no longer increases with increasing distance between the embedded lower electrodes of each set of apparatus.
Claim 14
Dependent Claim 137 words
A process for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid, said liquid consisting essentially of acid sulfate-containing water, by placing in the body of water a plurality of sets of apparatus each set of apparatus comprising: A. a buoy; B. an upper electrode suspended from the buoy; C. an insulated electrical conductor conductively attached to the upper electrode; and D. a lower electrode conductively attached to the insulated electrical conductor said lower electrode being embedded in said anaerobic mud; said process comprising spacing each set of apparatus from each next set of apparatus at a distance such that the measure of the current flowing in the insulated electrical conductor no longer increases with increasing distance between the embedded lower electrodes of each set of apparatus.
Claim 15
Dependent Claim 25 words
The process of claim 12 wherein the current flowing in the insulated electrical conductor is diverted to flow through apparatus used to monitor the process.
Claim 16
Dependent Claim 318 words
A process for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid said liquid consisting essentially of an acid sulfate-containing water, comprising the steps of placing in the body of water a plurality of sets of apparatus each set of apparatus comprising: A. a buoy comprising an empty, sealed, plastic container with an integrally formed loop-shaped handle; B. an upper electrode comprising carbon suspended from the buoy; C. a flexible, insulated electrical conductor comprising plastic coated copper cable, a first end of said conductor being conductively attached to the upper electrode, a second end of said conductor passing through the loop-shaped handle of the buoy; and D. a lower electrode comprising iron conductively attached to said second end of the flexible, insulated electrical conductor said lower electrode being of a configuration comprising barbed hooks embedded in said anaerobic mud; said process comprising the steps of: I. floating the buoy in the water; Ii. attaching the upper electrode to said first end of the flexible insulated electrical conductor with conductive contact between the upper electrode and the electrical conductor; Iii. passing said second end of the flexible insulated electrical conductor through the loop-shaped handle of the buoy; Iv. attaching said second end of the flexible insulated electrical conductor to the lower electrode with conductive contact between said electrical conductor and said lower electrode; V. embedding the barbed hooks of the lower electrode in the anaerobic mud such that a current flows between the lower electrode and the upper electrode through the insulated electrical conductor; Vi. measuring the current flowing in the insulated electrical conductor; and Vii. spacing each set of apparatus from each next set of apparatus at a distance such that the measure of the current flowing in the insulated electrical conductor no longer increases with increasing distance between the embedded lower electrodes of each set of apparatus.
Claim 17
Dependent Claim 318 words
A process for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid said liquid consisting essentially of an acid sulfate-containing water, comprising the steps of placing in the body of water a plurality of sets of apparatus each set of apparatus comprising: A. a buoy comprising an empty, sealed, plastic container with an integrally formed loop-shaped handle; B. an upper electrode comprising carbon suspended from the buoy; C. a flexible, insulated electrical conductor comprising plastic coated copper cable, a first end of said conductor being conductively attached to the upper electrode, a second end of said conductor passing through the loop-shaped handle of the buoy; and D. a lower electrode comprising iron conductively attached to said second end of the flexible, insulated electrical conductor said lower electrode being of a configuration comprising barbed hooks embedded in said anaerobic mud; said process comprising the steps of: I. floating the buoy in the water; Ii. attaching the upper electrode to said first end of the flexible insulated electrical conductor with conductive contact between the upper electrode and the electrical conductor; Iii. passing said second end of the flexible insulated electrical conductor through the loop-shaped handle of the buoy; Iv. attaching said second end of the flexible insulated electrical conductor to the lower electrode with conductive contact between said electrical conductor and said lower electrode; V. embedding the barbed hooks of the lower electrode in the anaerobic mud such that a current flows between the lower electrode and the upper electrode through the insulated electrical conductor; Vi. measuring the current flowing in the insulated electrical conductor; and Vii. spacing each set of apparatus from each next set of apparatus at a distance such that the measure of the current flowing in the insulated electrical conductor no longer increases with increasing distance between the embedded lower electrodes of each set of apparatus.
Claim 18
Independent Claim 106 words
An apparatus for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid, said liquid consisting essentially of acid sulfate-containing water, such apparatus comprising: A. a buoy; B. an upper electrode suspended from the buoy; C. a flexible insulated electrical conductor conductively attached to the upper electrode; and D. a lower electrode conductively attached to the insulated electrical conductor; wherein the buoy has sufficient reserve buoyancy to ride on the surface of the body of water; wherein the upper electrode is suspended in the acid supernatant liquid; wherein the lower electrode is embedded in the anaerobic mud.
Claim 19
Independent Claim 106 words
An apparatus for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid, said liquid consisting essentially of acid sulfate-containing water, such apparatus comprising: A. a buoy; B. an upper electrode suspended from the buoy; C. a flexible insulated electrical conductor conductively attached to the upper electrode; and D. a lower electrode conductively attached to the insulated electrical conductor; wherein the buoy has sufficient reserve buoyancy to ride on the surface of the body of water; wherein the upper electrode is suspended in the acid supernatant liquid; wherein the lower electrode is embedded in the anaerobic mud.
Claim 20
Dependent Claim 18 words
The apparatus of claim 15 wherein the body of water is a lake of acid mine waste water.
Claim 21
Dependent Claim 14 words
The apparatus of claim 15 wherein the body of 2ater is an acid-polluted river.
Claim 22
Dependent Claim 14 words
The apparatus of claim 15 wherein the buoy has an integrally formed loop-shaped handle.
Claim 23
Dependent Claim 13 words
The apparatus of claim 15 wherein the upper electrode is a carbon electrode.
Claim 24
Dependent Claim 15 words
The apparatus of claim 15 wherein the insulated electrical conductor is a plastic-coated copper cable.
Claim 25
Dependent Claim 13 words
The apparatus of claim 15 wherein the copper cable is a coaxial cable.
Claim 26
Dependent Claim 13 words
The apparatus of claim 15 wherein the lower electrode is an iron electrode.
Claim 27
Dependent Claim 15 words
The apparatus of claim 15 wherein the lower electrode has a configuration comprising barbed hooks.
Claim 28
Independent Claim 132 words
An apparatus for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid, said liquid consisting essentially of acid sulfate-containing water, said apparatus comprising: A. a buoy comprising an empty, sealed, plastic container with an integrally formed loop-shaped handle; B. an upper carbon electrode suspended from the buoy in the supernatant liquid; C. a flexible, insulated electrical conductor comprising plastic coated copper cable, a first end of said conductor being conductively attached to the upper electrode, the intermediate portion of said conductor passing through the loop-shaped handle of the buoy; and D. a lower iron electrode conductively attached to said second end of the flexible, insulated electrical conductor said lower electrode being of a configuration comprising barbed hooks embedded in said anaerobic mud.
Claim 29
Independent Claim 132 words
An apparatus for the bioelectrical neutralization of a body of water having a bottom of anaerobic mud and an acid supernatant liquid, said liquid consisting essentially of acid sulfate-containing water, said apparatus comprising: A. a buoy comprising an empty, sealed, plastic container with an integrally formed loop-shaped handle; B. an upper carbon electrode suspended from the buoy in the supernatant liquid; C. a flexible, insulated electrical conductor comprising plastic coated copper cable, a first end of said conductor being conductively attached to the upper electrode, the intermediate portion of said conductor passing through the loop-shaped handle of the buoy; and D. a lower iron electrode conductively attached to said second end of the flexible, insulated electrical conductor said lower electrode being of a configuration comprising barbed hooks embedded in said anaerobic mud.

References Cited (Backward Citations)

US3228799A Cited
US3266943A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-02-06 1981-08-08 1982-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-02-06 1985-08-08 1986-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-02-06 1989-08-08 1990-02-07 $7700.00 Window Closed / Lapsed

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