WO2007076449A2 - Biomedia apparatus and method of use - Google Patents

Biomedia apparatus and method of use Download PDF

Info

Publication number
WO2007076449A2
WO2007076449A2 PCT/US2006/062506 US2006062506W WO2007076449A2 WO 2007076449 A2 WO2007076449 A2 WO 2007076449A2 US 2006062506 W US2006062506 W US 2006062506W WO 2007076449 A2 WO2007076449 A2 WO 2007076449A2
Authority
WO
WIPO (PCT)
Prior art keywords
central core
biomedia
biomedia apparatus
reinforcing member
yarn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2006/062506
Other languages
English (en)
French (fr)
Other versions
WO2007076449A3 (en
Inventor
John W. Haley, Iii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BIOPROCESS H2O LLC
Bioprocess Technologies Ltd
Original Assignee
BIOPROCESS H2O LLC
Bioprocess Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BIOPROCESS H2O LLC, Bioprocess Technologies Ltd filed Critical BIOPROCESS H2O LLC
Priority to EP20060846764 priority Critical patent/EP1973852B1/en
Priority to CN2006800534939A priority patent/CN101389571B/zh
Priority to BRPI0620774-0A priority patent/BRPI0620774A2/pt
Priority to MX2008008489A priority patent/MX2008008489A/es
Priority to CA 2635684 priority patent/CA2635684C/en
Priority to JP2008548821A priority patent/JP2009521329A/ja
Publication of WO2007076449A2 publication Critical patent/WO2007076449A2/en
Publication of WO2007076449A3 publication Critical patent/WO2007076449A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C02F3/103—Textile-type packing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/086—Filter cloth, i.e. woven, knitted or interlaced material of inorganic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0609—Knitted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/04—Aerobic processes using trickle filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • Y10T428/2931—Fibers or filaments nonconcentric [e.g., side-by-side or eccentric, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2976—Longitudinally varying

Definitions

  • This invention is directed to a biomcdia apparatus, and more particularly to a looped cord biomedia apparatus useful in the treatment of wastewater.
  • the present invention relates to a biomedia apparatus and methods for using same.
  • the biomedia apparatus of the present invention comprises an elongated central core, at least one reinforcing member associated with the central core and a plurality of loops positioned along a length of the central core .
  • the biomedia apparatus of the present invention comprises an elongated central core, wherein a width of the central core is no greater than about 10.0 millimeters and a plurality of loops positioned along the central core.
  • the biomedia apparatus comprises an elongated central core and a plurality of loops positioned along the central core for collecting organisms from water, wherein the apparatus is adapted to hold about 150.0 to about 300.0 pounds of collected organisms per foot.
  • the method comprises the steps of providing a biomedia apparatus comprising an elongated central core, at least one reinforcing member associated with the central core and a plurality of loops positioned along the central core, providing water comprising at least one organism and collecting the at least one organism from the water with the biomedia apparatus.
  • FIG. 1 is a perspective front view of a looped cord biomedia according to the presently claimed invention.
  • Fig. 2 is a back view of the looped cord biomedia shown in Fig.
  • biomedia means any material or substance used in connection with the treatment of water.
  • the present invention is directed to a looped cord biomedia, which comprises an elongated central core and a plurality of loops positioned along the central core.
  • elongated means having a greater vertical dimension than horizontal dimension.
  • the present invention further comprises a reinforcing member associated with the central core.
  • the biomedia of the present invention may be used in a trickle tower or various other applications involving the treatment of water.
  • the biomedia of Fig. 1 comprises an elongated central core 12 including a first side 14 and a second side 16, a plurality of loops 18 extending laterally from each of the first and second sides 14 and 16 and a reinforcing member 20 associated with the central core.
  • the biomedia 10 also includes a front portion 21 and a back portion 23.
  • the central core 12 may be constructed in various ways and of various materials.
  • the central core 12 is knitted.
  • the knitted portion of the core 12 may comprise a few (e.g., four to six), lengthwise rows of stitches 22.
  • the core 12 may be formed from yarn-like materials. Suitable yarn-like material may include, for example, polyester, polyamide, polyvinylidene chloride, polypropylene and other materials known to those of skill in the art.
  • the yam-like material may be of continuous filament construction, or a spun staple yarn.
  • the lateral width / of the central core 12 is relatively narrow and is subject to variation. In certain embodiments, the lateral width / is no greater than about 10.0 mm, is typically between about 3.0 mm and about 8.0 mm or between about 4.0 mm and about 6.0 mm.
  • the plurality of loops 18 extend laterally from the first and second sides 14 and 16 of the central core 12. As can be seen, the plurality of loops are designed to collect various types of organisms from water. The plurality of loops offer flexibility in shape to accommodate growing colonies of organisms. At the same time, the plurality of loops 18 permit air circulation so that, when the biomedia is employed in a trickle tower, the growing colonies of organisms can consume sufficient oxygen to survive long enough to eliminate toxins from the wastewater.
  • the plurality of loops 18 are typically constructed of the same material as the central core 12, and may also include variable lateral widths /'.
  • the lateral width /' of each of the plurality of loops 18 may be within the range of between about 10.0 mm and about 15.0 mm. If the loops are too big, they may become saturated with organisms, which could fall off or preclude the capture of additional organisms.
  • the lateral extent of the core 12 is rather insignificant vis-a-vis the overall lateral extent of each of the plurality of loops. That is, the central core 12 occupies between about 1/7 to 1/5 of the overall lateral width of the biomedia apparatus. In fact, the central core 12 is barely perceptible when viewing the back portion 23 of the biomedia apparatus 10. As seen in Fig. 2, the central core appears nearly totally hidden from view by the laterally extending plurality of loops 18.
  • the central core 12 may optionally be strengthened through use of the reinforcing member 20, which typically extends along and interconnects with the central core.
  • the term reinforcing member means any material or substance added to the central core that is made of a material different than that of the central core.
  • the material of the reinforcing member 20 typically has a higher tensile - A -
  • the reinforcing member 20 may be constructed of various materials, including high strength synthetic filament, tape and stainless steel wire or other wire. Two particularly useful materials are Kevlar® and Tensylon®.
  • a method for making the biomedia apparatus comprises the steps of knitting the yarn-like material to form the central core 12, and pulling the plurality of loops 18 therefrom, such that the loops are positioned along the central core 12. Knitting machines available from Comez SpA of Italy may be employed for this purpose.
  • one or more reinforcing members 20 may be added to the central core 12 in various ways.
  • a first way in which the biomedia 10 may be strengthened is by adding one or more reinforcing members 20 to the weft of the core 12 during the knitting step. These reinforcing members 20 may be disposed in a substantially parallel relationship to the warp of the core 12 and stitched into the composite structure of the core 12. As will be appreciated, the use of these reinforcing members allows the width of the central core 12 to be reduced relative to central cores of known biomedia, without significantly jeopardizing the tensile strength of the core.
  • two reinforcing members 20 arc employed, with one member disposed on each side of the core 12.
  • two reinforcing members 24 and 26, in the form of outside wales, are shown.
  • a second way in which the biomedia 10 may be strengthened is through the introduction of the one or more reinforcing members 20 in a twisting operation subsequent to the knitting step. This method allows the parallel introduction of the tensioned reinforcing members into the central core 12, with the central core 12 wrapping around these reinforcing members 20.
  • both the first and second ways of incorporating reinforcing members 20 may be combined.
  • one or more reinforcing members 20 may be laid into the central core 12 during the knitting process, and then one or more reinforcing members 20 may be introduced during the subsequent twisting step.
  • These reinforcing members 20 could be the same or different (e.g. , during knitting, Kevlar® could be used, and during twisting, stainless steel wire could be introduced).
  • biomedia apparatus 10 may be used in a trickle tower or outside power plants with water intakes.
  • the presence of the reinforcing members 20 can help provide a reduction of stretch in the wire and filamentary structures of the invention.
  • the biomedia 10 of the inventors of the present invention believe that it can hold more pounds of weight per foot of biomedia than known structures.
  • the inventors have found that a biomedia apparatus 10 according to the present invention can provide up to 300 pounds of weight per foot. This has the advantages of reducing the risk of the biomedia yielding or even breaking during use in a trickle tower, and enables the trickle tower to process a larger volume of wastewater before needing grooming to reduce growth of microorganisms.
  • the biomedia 10 of the present invention may be used to treat water that enters the water intake valves of power plants.
  • the intake valves of power plants draw in the larval form of muscles (often referred to as spat) that typically grow in large bodies of water, like lakes. This spat eventually turns into full-grown muscles that can seriously damage the power plant's filtration systems.
  • a frame of the biomedia 10 of the present invention may be submerged outside the water intake valves of power plants. Because the plurality of loops 18 can ensnare the spat before it enters the power plant, the numbers of muscles growing inside the target power plant is reduced, thereby helping to minimize the aforementioned damage to power plant filtration systems.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Inorganic Chemistry (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
PCT/US2006/062506 2005-12-27 2006-12-21 Biomedia apparatus and method of use Ceased WO2007076449A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP20060846764 EP1973852B1 (en) 2005-12-27 2006-12-21 Biomedia apparatus and method of use
CN2006800534939A CN101389571B (zh) 2005-12-27 2006-12-21 生物介质装置及使用方法
BRPI0620774-0A BRPI0620774A2 (pt) 2005-12-27 2006-12-21 aparelho de meio biológico, e, método
MX2008008489A MX2008008489A (es) 2005-12-27 2006-12-21 Aparato de biomedio y metodo de uso.
CA 2635684 CA2635684C (en) 2005-12-27 2006-12-21 Biomedia apparatus and method of use
JP2008548821A JP2009521329A (ja) 2005-12-27 2006-12-21 バイオメディア装置及びその使用方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US75405305P 2005-12-27 2005-12-27
US60/754,053 2005-12-27
US11/614,700 US7862890B2 (en) 2005-12-27 2006-12-21 Biomedia apparatus and method of use
US11/614,700 2006-12-21

Publications (2)

Publication Number Publication Date
WO2007076449A2 true WO2007076449A2 (en) 2007-07-05
WO2007076449A3 WO2007076449A3 (en) 2007-12-06

Family

ID=38218834

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/062506 Ceased WO2007076449A2 (en) 2005-12-27 2006-12-21 Biomedia apparatus and method of use

Country Status (9)

Country Link
US (1) US7862890B2 (https=)
EP (3) EP2505560A1 (https=)
JP (1) JP2009521329A (https=)
CN (1) CN101389571B (https=)
BR (1) BRPI0620774A2 (https=)
CA (1) CA2635684C (https=)
MX (1) MX2008008489A (https=)
MY (1) MY145910A (https=)
WO (1) WO2007076449A2 (https=)

Cited By (2)

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WO2010048525A2 (en) 2008-10-24 2010-04-29 Bioprocessh20 Llc Systems, apparatuses and methods for cultivating microorganisms and mitigation of gases
US8597914B2 (en) 2008-01-03 2013-12-03 Proterro, Inc. Method of producing a fermentable sugar

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EP2930151A1 (en) 2015-10-14
CA2635684C (en) 2011-08-23
CN101389571B (zh) 2011-10-26
MY145910A (en) 2012-05-15
CN101389571A (zh) 2009-03-18
US20070151923A1 (en) 2007-07-05
EP2505560A1 (en) 2012-10-03
EP1973852A2 (en) 2008-10-01
CA2635684A1 (en) 2007-07-05
WO2007076449A3 (en) 2007-12-06
MX2008008489A (es) 2008-09-26
EP1973852B1 (en) 2013-07-03
BRPI0620774A2 (pt) 2011-11-22
JP2009521329A (ja) 2009-06-04
US7862890B2 (en) 2011-01-04
EP1973852A4 (en) 2010-07-21

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