GB2392161A - Treating waste fibres - Google Patents

Treating waste fibres Download PDF

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Publication number
GB2392161A
GB2392161A GB0219809A GB0219809A GB2392161A GB 2392161 A GB2392161 A GB 2392161A GB 0219809 A GB0219809 A GB 0219809A GB 0219809 A GB0219809 A GB 0219809A GB 2392161 A GB2392161 A GB 2392161A
Authority
GB
United Kingdom
Prior art keywords
fibre
refined
fibres
range
treated
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.)
Granted
Application number
GB0219809A
Other versions
GB2392161B (en
GB0219809D0 (en
Inventor
David Clive Edwards
Colin Edward Cook
Meirion Thomas Evans
Jeffrey Davies
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.)
DB FIBRES Ltd
Original Assignee
DB FIBRES 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 DB FIBRES Ltd filed Critical DB FIBRES Ltd
Priority to GB0219809A priority Critical patent/GB2392161B/en
Publication of GB0219809D0 publication Critical patent/GB0219809D0/en
Priority to PCT/GB2003/003756 priority patent/WO2004018767A1/en
Priority to AU2003260757A priority patent/AU2003260757A1/en
Priority to EP20030792527 priority patent/EP1540074A1/en
Publication of GB2392161A publication Critical patent/GB2392161A/en
Application granted granted Critical
Publication of GB2392161B publication Critical patent/GB2392161B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Abstract

A method of treating fibres produced by the thermal treatment of waste materials, which method includes, drying the fibres such that the moisture content of the fibre is in the range of from 4 to 15% by weight of the fibre and substantially removing debris (such as grit and/or plastics material) from the treated fibre. Optionally the size of the refined treated fibre is reduced to a length typically less than about 35mm and preferably less than 25mm. The fibres are preferably cellulose material from mixed vegetable matter. The fiber may be graded according to its density by an air current separator. Also claimed is a method of producing refined cellulose material, which material may be agglomerated with a binder and used in the manufacture of fuel.

Description

23921 61
-1- Production of Refined Cellulose Fibre The present invention is concerned with a method of producing refined cellulose fibres from household, 5 commercial and industrial wastes and, in particular, the production of dried fibres suitable for further processing into, for example, fuel or wood replacement items.
It is frequently a problem to convert household, commercial 10 and industrial waste into a form readily useable either as a fuel or for the manufacture of wood replacement products.
The cheapest and most cost effective way is generally to briquette or pelletise the waste. However, such briquetting or pelletising typically results in a product 15 that is difficult to convert to a more commercially useful product. Household, commercial and industrial wastes are mainly disposed of in landfill sites, are partially disposed of by 20 incineration or partially recovered for recycling.
All of these disposal methods are high-risk pollutants of the environment and may therefore be considered environmentally unfriendly.
An alternative method is the thermal treatment of these wastes in an autoclave type process; such processes are known in the field of waste treatment. This steam
treatment or autoclave system produces, as its main by 30 product, a fibre product typically containing moisture in the range 35% to 60% by weight and other unwanted materials such as glass, metals and aggregates described further as grit particles.
35 In its present form the fibre by-product is used as a low
-2- value soil enhancer or can be further processed to manufacture a compost. However, it is typically dumped to land-fill sites.
5 It is therefore an aim of the present invention to alleviate at least some of the disadvantages identified above. It is a further aim of the present invention to provide a 10 method of treating fibre waste material so as to produce a raw material suitable for use in the manufacture of fuels and/or wood replacement items.
It is yet a further aim of the present invention to provide 15 a fibre suitable for solid fuel manufacture or compacted form suitable for wood replacement item production.
Therefore, according to a first aspect of the present invention, there is provided a method of treating fibres 20 produced by the thermal treatment of waste materials, which method includes, drying the fibres such that the moisture content of the fibre is in the range of from about 4 to about 15% by weight of the fibre; 25 substantially removing debris (such as grit and/or plastics material) from the treated fibre; and optionally reducing the size of the refined treated fibre to length typically less than about 35mm (preferably less than 25mm.
The length of the fibre is typically adjusted to suit the requirements of products manufactured from the treated refined cellulose material 35 The resultant dry fibrous material produced by the steam
-3- treatment of the waste, typically comprises substantially cellulose material derived from mixed vegetable matter.
Wood replacement products" as used herein, may include 5 cardboard, paper, insulation board, hardboard, or the like.
Advantageously, the moisture content of the fibre is reduced to a moisture content in the range 4 to 15% by use of a drying apparatus. Preferably, the drying apparatus 10 may also be used to substantially remove debris from the fibre and/or reduce the particle size of the debris. This process is typically a combination of both mechanical and thermal energy.
15 It is particularly preferred that moisture removed during the production of the refined fibre is passed, typically in vapour form, through an oxidizing device to remove potential odour pollutants.
20 Advantageously, the density of fibres processed according to the present invention are typically in the range of about 50 to 120kg/m3. However, the pre-treated fibres have a density typically in the range of about 250 to 500kg/m3.
25 The refined cellulose material is typically graded according to its density. The grading is typically carried out using an air current separator. Alternatively, the refined cellulose material can be water washed through sieves, which is particularly desirable for use in the 30 manufacture of cardboard and/or paper.
The pre-treated fibres are typically not suitable for the use as fuel or the manufacture of wood replacement products. The pre-treated fibres contain too much 35 moisture and grit particles to use as a gasifier fuel or to
agglomerate as solid fuel or to manufacture wood replacement products. The reduction of moisture to a range of 4-15% by weight and the removal of grit particles advantageously enables the use of the fibres as a gasified 5 fuel or agglomeration as solid fuel or the manufacture of wood replacement products.
Therefore, according to a further aspect of the present invention, there is provided a method of producing a lo refined cellulose material, which method includes: a) providing a fibre material obtained from the thermal treatment of waste materials; b) drying the fibre material such that the moisture content is in the range from about 4% to about 15% by 15 weight of the fibre; and c) substantially removing undesirable debris (such as plastics material and/or grit) from the product obtained in b), so as to obtain the refined cellulose material. It is particularly preferred that the refined material is in the finely divided form, typically having a length of less than about 35mm, preferably less than about 30mm, further preferably less than 20mm.
Advantageously, the refined cellulose fibres according to the present invention can be used in the manufacture of gasified fuel, agglomerated solid fuel, in the manufacture of replacement wood products, insulation materials and/or 30 attenuation material.
Therefore, according to yet a further aspect of the present invention, there is provided a use of the refined cellulose fibres according to the first aspect of the present 35 invention in the manufacture of gasified fuel, solid fuel
-5- (such as agglomerated solid fuel), and/or replacement wood products. Advantageously, the refined cellulose material according to s the present invention can be blended with a carbonaceous material (such as coal, coke fines or the like) to produce a fuel. The carbonaceous material can be present in the blend in an amount in the range 1 to 99%, preferably 5 to 95\, by weight of the blend of carbonaceous material and 10 refined cellulose material.
The blend of carbonaceous material and refined cellulose material is typically agglomerated using standard agglomeration techniques. The blend is typically mixed 15 with a binder prior to agglomeration. Typical binders include lignin and urea, molasses and lime, resins, polymers (especially polyvinyl acetate); however, it is envisaged that any binder known in the art of agglomeration may be used.
Advantageously, the refined cellulose material according to the first aspect of the present invention may also be used in the manufacture of wood replacement products, such as, for example, multi density fibreboard products.

Claims (19)

-6- CLAIMS
1. A method of treating fibres produced by the thermal treatment of waste materials, which method includes, 5 drying the fibres such that the moisture content of the fibre is in the range of from about 4 to about 15% by weight of the fibre; substantially removing debris (such as grit and/or plastics material) from the treated fibre; and 10 optionally reducing the size of the refined treated fibre to length typically less than about 35mm (preferably less than 25mm.
2. A method according to claim 1, wherein the dry fibrous 15 material produced by the steam treatment of waste comprises substantially cellulose material derived from mixed vegetable matter.
3. A method according to claim 1 or 2, wherein the 20 moisture content of the fibre is reduced to a moisture content in the range 4 to 15% by use of a drying apparatus.
4. A method according to claim 3, wherein the drying apparatus is also used to substantially remove debris from 25 the fibre and/or reduce the particle size of the fibre.
5. A method according to any preceding claim wherein, moisture removed during the production of the refined fibre is passed, typically in vapour form, through an oxidizing 30 device to remove potential odour pollutants.
6. A method according to any preceding claim, wherein the density of the refined treated fibres are in the range of 50 to 120kg/m3.
3s
7. A method according to any preceding claim, wherein the refined or treated fibre is graded according to its density. 5
8. A method according to claim 7, wherein the grading is carried out using an air current separator.
9. A method according to any preceding claim, wherein the refined or treated fibre is water washed through sieves.
10. A method of producing a refined cellulose material, which method includes: a) providing a fibre material obtained from the thermal treatment of waste materials; 15 b) drying the fibre material such that the moisture content is in the range from about 4% to about 15% by weight of the fibre; and c) substantially removing undesirable debris (such as plastics material and/or grit) from the product 20 obtained in b), so as to obtain the refined cellulose material.
11. A method according to claim 10, wherein the refined material is in finely divided form, preferably having a 2s length of less than about 35mm.
12. A method according to claim 11, wherein the refined material typically has a length less than about 30mm, further preferably less than about 20mm.
13. A method according to any of claims 10 to 12, wherein the refined cellulose material is blended with a carbonaceous material to produce a fuel.
3s
14. A method according to claim 13, wherein the
-8- carbonaceous material includes coal, coke fines or the like.
15. A method according to claim 13 or 14, wherein the 5 carbonaceous material is present in the blend in an amount in the range 1 to 99%, preferably 5 to 95%, by weight of the blend of carbonaceous material and refined cellulose material. 10
16. A method according to any of claims 13 to 15, wherein the blend of carbonaceous material and refined cellulose material is agglomerated using standard agglomeration techniques. 15
17. A method according to any of claims 13 to 16, wherein the blend is mixed with a binder prior to agglomeration.
18. A method according to claim 17, wherein the binder includes lignin and urea, molasses and lime, resins, 20 polymers (such as polyvinyl acetate).
19. Use of refined cellulose material produced according to any proceeding claim, in the manufacture of gasification/pyrolysis fuel, solid fuel (such as 25 agglomerated solid fuel), and/or replacement wood products.
GB0219809A 2002-08-23 2002-08-23 Production of refined cellulose fibre Expired - Fee Related GB2392161B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0219809A GB2392161B (en) 2002-08-23 2002-08-23 Production of refined cellulose fibre
PCT/GB2003/003756 WO2004018767A1 (en) 2002-08-23 2003-08-26 Production of refined cellulose fibre from waste materials
AU2003260757A AU2003260757A1 (en) 2002-08-23 2003-08-26 Production of refined cellulose fibre from waste materials
EP20030792527 EP1540074A1 (en) 2002-08-23 2003-08-26 Production of refined cellulose fibre from waste materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0219809A GB2392161B (en) 2002-08-23 2002-08-23 Production of refined cellulose fibre

Publications (3)

Publication Number Publication Date
GB0219809D0 GB0219809D0 (en) 2002-10-02
GB2392161A true GB2392161A (en) 2004-02-25
GB2392161B GB2392161B (en) 2006-02-15

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ID=9942961

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0219809A Expired - Fee Related GB2392161B (en) 2002-08-23 2002-08-23 Production of refined cellulose fibre

Country Status (4)

Country Link
EP (1) EP1540074A1 (en)
AU (1) AU2003260757A1 (en)
GB (1) GB2392161B (en)
WO (1) WO2004018767A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2445465A (en) * 2007-01-05 2008-07-09 Sterecycle Ltd Municipal waste treatment
EP1946829A1 (en) * 2007-01-05 2008-07-23 Sterecycle Ltd. Process and apparatus for waste treatment
US20100107485A1 (en) * 2005-01-31 2010-05-06 Ichiro Sugimoto Carbon dioxide adsorber for use at combustion of fossil fuel, containing dry powder of plant fiber
GB2475951A (en) * 2009-11-13 2011-06-08 Babcock Environmental Engineering Ltd Method and apparatus for processing waste
US8034271B2 (en) 2006-03-25 2011-10-11 Building Research Establishment Ltd. Process for making composite products from fibrous waste material
RU2560186C1 (en) * 2014-09-29 2015-08-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) Fuel briquette

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2489207B (en) 2011-03-14 2014-02-26 Zystur Ltd Waste treatment
IT202000017005A1 (en) 2020-07-14 2022-01-14 Consiglio Nazionale Ricerche PROCESS FOR THE DEGRADATION OF CELLULOSE FROM SANITARY TOWELS AND DIAPERS AND FOR THE PRODUCTION OF FELT AND INSULATING MATERIALS

Citations (6)

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Publication number Priority date Publication date Assignee Title
US4445906A (en) * 1981-07-18 1984-05-01 Mannesmann Veba Umwelttechnik Gmbh Process for the treatment of the combustible portion of domestic waste for briquetting and apparatus therefor
JPS63156898A (en) * 1986-12-22 1988-06-29 Tadashi Izumi Production of solid fuel
EP0305782A2 (en) * 1987-08-29 1989-03-08 Saarberg-Oekotechnik Gmbh Method of and plant for recovering useful products from a mixture of solid waste
US5100066A (en) * 1989-10-16 1992-03-31 Organ-Faser Technology Company N.V. Method for processing domestic, industrial and other similar waste with the production of a cellulose material
US5134023A (en) * 1990-07-05 1992-07-28 Forintek Canada Corp. Process for making stable fiberboard from used paper and fiberboard made by such process
DE4338970A1 (en) * 1992-11-17 1994-05-19 Siempelkamp Gmbh & Co Chipboard centre layer - contains additives of paper fibres derived from waste sludge from ink removal stage of used paper recycling

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GB1134611A (en) * 1967-01-28 1968-11-27 Australian Paper Manufacturers Process and apparatus for cleaning and disintegrating fibrous materials
US3741863A (en) * 1971-08-27 1973-06-26 Rust Eng Co Method of recycling waste cellulosic materials
US4540467A (en) * 1974-01-02 1985-09-10 Grube Kenneth E Method for fragmenting municipal solid wastes
US4072273A (en) * 1974-01-07 1978-02-07 Southeast Sbic, Inc. Process for dry recovery of materials from solid refuse
US6306248B1 (en) * 1997-11-20 2001-10-23 The University Of Alabama In Huntsville Method for transforming diverse pulp and paper products into a homogenous cellulosic feedstock
GB9814358D0 (en) * 1998-07-03 1998-09-02 Sandison Malcolm D W Waste treatment process and apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445906A (en) * 1981-07-18 1984-05-01 Mannesmann Veba Umwelttechnik Gmbh Process for the treatment of the combustible portion of domestic waste for briquetting and apparatus therefor
JPS63156898A (en) * 1986-12-22 1988-06-29 Tadashi Izumi Production of solid fuel
EP0305782A2 (en) * 1987-08-29 1989-03-08 Saarberg-Oekotechnik Gmbh Method of and plant for recovering useful products from a mixture of solid waste
US5100066A (en) * 1989-10-16 1992-03-31 Organ-Faser Technology Company N.V. Method for processing domestic, industrial and other similar waste with the production of a cellulose material
US5134023A (en) * 1990-07-05 1992-07-28 Forintek Canada Corp. Process for making stable fiberboard from used paper and fiberboard made by such process
DE4338970A1 (en) * 1992-11-17 1994-05-19 Siempelkamp Gmbh & Co Chipboard centre layer - contains additives of paper fibres derived from waste sludge from ink removal stage of used paper recycling

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100107485A1 (en) * 2005-01-31 2010-05-06 Ichiro Sugimoto Carbon dioxide adsorber for use at combustion of fossil fuel, containing dry powder of plant fiber
US8034271B2 (en) 2006-03-25 2011-10-11 Building Research Establishment Ltd. Process for making composite products from fibrous waste material
GB2445465A (en) * 2007-01-05 2008-07-09 Sterecycle Ltd Municipal waste treatment
EP1946829A1 (en) * 2007-01-05 2008-07-23 Sterecycle Ltd. Process and apparatus for waste treatment
GB2445465B (en) * 2007-01-05 2009-03-25 Sterecycle Ltd Process for waste treatment
GB2475951A (en) * 2009-11-13 2011-06-08 Babcock Environmental Engineering Ltd Method and apparatus for processing waste
RU2560186C1 (en) * 2014-09-29 2015-08-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) Fuel briquette

Also Published As

Publication number Publication date
AU2003260757A1 (en) 2004-03-11
GB2392161B (en) 2006-02-15
WO2004018767A1 (en) 2004-03-04
GB0219809D0 (en) 2002-10-02
EP1540074A1 (en) 2005-06-15

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Legal Events

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732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120823