ZA202407378B - Water and quality management of oil-based wood preservatives - Google Patents

Water and quality management of oil-based wood preservatives

Info

Publication number
ZA202407378B
ZA202407378B ZA2024/07378A ZA202407378A ZA202407378B ZA 202407378 B ZA202407378 B ZA 202407378B ZA 2024/07378 A ZA2024/07378 A ZA 2024/07378A ZA 202407378 A ZA202407378 A ZA 202407378A ZA 202407378 B ZA202407378 B ZA 202407378B
Authority
ZA
South Africa
Prior art keywords
water
oil
quality management
wood preservatives
based wood
Prior art date
Application number
ZA2024/07378A
Other languages
English (en)
Inventor
Jessica Myers
Stephen Uphill
Hannah Griffiths
Andrew Hughes
Ed Webster
Jamie Nuttall
Original Assignee
Arxada Ag
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 Arxada Ag filed Critical Arxada Ag
Publication of ZA202407378B publication Critical patent/ZA202407378B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
    • B27K3/10—Apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0205—Separation of non-miscible liquids by gas bubbles or moving solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/005—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising microparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/007—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising nanoparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B27K3/22—Compounds of zinc or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B27K3/44—Tar; Mineral oil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/32—Hydrocarbons, e.g. oil
    • 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
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Forests & Forestry (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Analytical Chemistry (AREA)
  • Nanotechnology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
ZA2024/07378A 2022-03-31 2024-09-27 Water and quality management of oil-based wood preservatives ZA202407378B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202263325838P 2022-03-31 2022-03-31
US202263427131P 2022-11-22 2022-11-22
PCT/IB2023/053278 WO2023187754A1 (en) 2022-03-31 2023-03-31 Water and quality management of oil-based wood preservatives

Publications (1)

Publication Number Publication Date
ZA202407378B true ZA202407378B (en) 2025-06-25

Family

ID=86185166

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2024/07378A ZA202407378B (en) 2022-03-31 2024-09-27 Water and quality management of oil-based wood preservatives

Country Status (7)

Country Link
US (1) US20250214277A1 (cg-RX-API-DMAC7.html)
EP (1) EP4499364A1 (cg-RX-API-DMAC7.html)
JP (1) JP2025511118A (cg-RX-API-DMAC7.html)
AU (1) AU2023244690A1 (cg-RX-API-DMAC7.html)
CA (1) CA3255523A1 (cg-RX-API-DMAC7.html)
WO (1) WO2023187754A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA202407378B (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117443077B (zh) * 2023-10-27 2024-03-15 临沂广辰化工有限公司 一种菊酸乙酯提纯加工装置及方法

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US1703745A (en) * 1926-03-02 1929-02-26 Morterud Einar Operation of pulp digesters
US2047488A (en) * 1934-05-21 1936-07-14 Peter A Paulson Wood pulp making
US2413509A (en) * 1945-09-18 1946-12-31 Coyne G Lord Liquid separator tank having means for drawing a vacuum on the tank and having discharge mechanisms for causing a flow of liquid thereto from the separator tank
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US3853505A (en) * 1973-07-16 1974-12-10 Georgia Pacific Corp Removal of haze-forming constituents from wood dryer effluent
US4206181A (en) * 1977-07-21 1980-06-03 Dr. C. Otto & Comp. G.M.B.H. Pressure vessel for separating sulfur from an aqueous sulfur suspension
US4437986A (en) * 1982-09-22 1984-03-20 Fram Corporation Separating device and cartridge therefor
US4501671A (en) * 1984-01-03 1985-02-26 Alfa-Laval, Inc. Method and apparatus for treatment of oily waste
DE3523846A1 (de) * 1985-07-03 1987-01-08 Linde Ag Verfahren und trennbehaelter zum trennen einer schwefel/lauge-suspension
US5699124A (en) * 1995-06-28 1997-12-16 General Instrument Corporation Of Delaware Bandwidth efficient communication of user data in digital television data stream
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DE102006006324A1 (de) * 2006-02-11 2007-08-23 H2O Gmbh Vorrichtung zur Aufbereitung von Prozess- oder Industrieabwässern
NO330765B1 (no) * 2006-03-15 2011-07-11 Hamworthy Plc Tank for behandling av fluider og system for prosessering av bronnfluider omfattende en slik tank
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US20100196199A1 (en) * 2007-03-01 2010-08-05 Andritz Separation Inc. System and method for treatment of pathogens in dried sewage sludge
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WO2013098579A1 (en) * 2011-12-30 2013-07-04 Stella-Jones, Inc. Pentachlorophenol/borate compositions and uses thereof
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CN111943464B (zh) * 2019-05-17 2021-11-26 东南大学 一种常年污染深度含油和水的污泥、废渣或自然油矿中的油砂的处理方法及其处理系统
JP2022531635A (ja) * 2019-07-17 2022-07-07 アークサーダ・アー・ゲー 脱色したアセトアセチル化エチレングリコールを調製するための方法
US11458418B2 (en) * 2020-01-09 2022-10-04 Kbk Industries, Llc Separation tank for sand, oil and water
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Also Published As

Publication number Publication date
US20250214277A1 (en) 2025-07-03
WO2023187754A1 (en) 2023-10-05
AU2023244690A1 (en) 2024-10-10
CA3255523A1 (en) 2023-10-05
EP4499364A1 (en) 2025-02-05
JP2025511118A (ja) 2025-04-15

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