Method for producing drum and paddle assembly for accelerated remediation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B09B-003/00
C12M-001/00
C12N-001/00
C12N-001/20
출원번호
US-0310426
(2002-12-04)
발명자
/ 주소
Horn, Terry Dean
Horn, Ronald Dean
Glaze, Bradley S.
Warner, Kenneth R.
출원인 / 주소
H&
H Eco Systems, Inc.
대리인 / 주소
Marger Johnson &
인용정보
피인용 횟수 :
6인용 특허 :
21
초록▼
This invention relates to a method of producing a drum and paddle assembly for the accelerated remediation of a contaminated material. The method comprises providing at least one paddle which is connectable to, and extendable outwardly from the periphery of, an elongate cylindrical drum. The drum ha
This invention relates to a method of producing a drum and paddle assembly for the accelerated remediation of a contaminated material. The method comprises providing at least one paddle which is connectable to, and extendable outwardly from the periphery of, an elongate cylindrical drum. The drum has a longitudinal axis and generates an air stream at a velocity sufficient for entraining the contaminated material therein. Also, it is employed for microenfractionating the contaminated material so that the contaminated material is treated with at least one chemical amendment prior to, and/or during, and/or subsequent to, microenfractionating the contaminated material. Each of the paddles comprises a body having a first planar portion having a leading edge and a second planar portion connected at a first angle to the first paddle portion. The second planar portion is oriented so as to generate a first material-entraining air stream when the drum is rotated, and a base portion connected to the body for mounting the paddle onto the drum. At least one the paddle is mounted onto the drum.
대표청구항▼
1. A method of producing a drum and paddle assembly for the accelerated remediation of a contaminated material which comprises:providing at least one paddle and an elongate cylindrical drum having a longitudinal axis, each said paddle being connectable to, and extendable outwardly from the periphery
1. A method of producing a drum and paddle assembly for the accelerated remediation of a contaminated material which comprises:providing at least one paddle and an elongate cylindrical drum having a longitudinal axis, each said paddle being connectable to, and extendable outwardly from the periphery of, said elongate cylindrical drum, for generating an air stream at a velocity sufficient for entraining the contaminated material therein, and for microenfractionating said contaminated material so that said contaminated material is treated with at least one chemical amendment prior to, and/or during, and/or subsequent to, microenfractionating said contaminated material, each said paddle comprising a body having a first planar portion having a leading edge and a second planar portion connected at a first angle to the first paddle portion, the second planar portion being oriented so as to generate a first material-entraining air stream when the drum is rotated, and a base portion connected to the body for mounting the paddle onto the drum; and mounting at least one said paddle onto said drum. 2. The method of claim 1, wherein said chemical amendment is a liquid.3. The method of claim 1, wherein the contaminated material comprises a material selected from a group consisting of a polycyclic and chlorinated polycyclic, an aromatic and chloroaromatic compound, a heterocyclic and chlorinated heterocyclic compound, and an aliphatic and a chloroaliphatic compound.4. The method of claim 1, wherein the accelerated remediation reaction is conducted aerobically, adiobatically, or methanogenically.5. The method of claim 1, wherein said drum includes first and second end portions, and a center portion, and is rotatable about said longitudinal axis at a rotational speed.6. The method of claim 1, wherein the contaminated material entraining air stream comprises a plurality of air currents.7. The method of claim 1, wherein said at least one paddle comprises a third planar portion connected at a second angle to the first paddle portion, the third planar portion adapted to generate a second material-entraining air stream.8. The method of claim 1, wherein the base portion includes at least one hole, each hole provided for receiving a connector for attaching at least one said paddle to said drum.9. The method of claim 1, wherein the treated contaminated material entraining air stream comprises a plurality of intersecting air currents, each of the intersecting air currents having a sufficient velocity for entraining and transporting a portion of the contaminated material.10. The method of claim 1, wherein the contaminated material entraining air stream comprises a vortex-type air stream which transports the entrained contaminated material in a generally circular path.11. The method of claim 1, wherein the step of microenfractionating the contaminated material increases the surface area of said contaminated material by a factor of at least about 1×10.12. The method of claim 1, wherein at least about 70% of a total amount of contaminated material is remediated within 120 days of treating the treated contaminated material with the chemical amendment.13. The method of claim 1, wherein said at least one paddle comprises a third planar portion connected at a second angle to the first paddle portion, the third planar portion adapted to generate a second material-entraining air stream when the rotatable drum is rotated.14. The method of claim 1, wherein the base portion includes a first hole for receiving a first paddle attachment bolt and a second hole for receiving a second paddle attachment bolt.15. The method of claim 1, wherein the base portion includes surfaces defining first and second slots.16. The method of claim 15, wherein the first slot is horizontal and the second slot is vertical.17. The method of claim 15, wherein the first and second slots are disposed at an angle relative to each other.18. The method of claim 17, wherein the angle between the first and second slots is about 90 degrees.19. The method of claim 1, wherein the chemical amendment comprises an aqueous solution.20. The method of claim 1, wherein the contaminated material comprises contaminated soil, the contaminated soil comprising at least about 50% weight of clay.
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