CA2044077C - Traitement chimique de dechets infectieux - Google Patents

Traitement chimique de dechets infectieux

Info

Publication number: CA2044077C
Authority: CA; Canada
Prior art keywords: infectious waste; treatment solution; waste; temperature; chlorine dioxide
Prior art date: 1990-04-19
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.): Expired - Fee Related

Application number

CA002044077A

Other languages

English (en)

Other versions

CA2044077A1 (fr

Inventor

Robert S. Meijer

John P. Frain

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.)

Winfield Industries

Original Assignee

Winfield Industries

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.)

1990-04-19

Filing date

1991-06-07

Publication date

1997-10-07

1991-04-26 Priority claimed from US07/692,195 external-priority patent/US5190725A/en

1991-06-07 Application filed by Winfield Industries filed Critical Winfield Industries

1991-10-20 Publication of CA2044077A1 publication Critical patent/CA2044077A1/fr

1997-10-07 Application granted granted Critical

1997-10-07 Publication of CA2044077C publication Critical patent/CA2044077C/fr

2011-06-07 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000010781 infectious medical waste Substances 0.000 title claims abstract description 57
239000000126 substance Substances 0.000 title 1
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 82
239000002699 waste material Substances 0.000 claims abstract description 53
235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 41
239000004155 Chlorine dioxide Substances 0.000 claims abstract description 39
239000007787 solid Substances 0.000 claims abstract description 20
239000003125 aqueous solvent Substances 0.000 claims abstract description 19
239000002253 acid Substances 0.000 claims abstract description 17
QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical class OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 claims abstract description 15
238000002156 mixing Methods 0.000 claims abstract description 12
150000003839 salts Chemical class 0.000 claims abstract description 6
238000000034 method Methods 0.000 claims description 34
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 21
239000002245 particle Substances 0.000 claims description 7
UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical group [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 claims description 7
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
229960002218 sodium chlorite Drugs 0.000 claims description 4
150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
239000001509 sodium citrate Substances 0.000 claims description 3
NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 3
239000004094 surface-active agent Substances 0.000 claims description 3
230000000977 initiatory effect Effects 0.000 claims description 2
239000000645 desinfectant Substances 0.000 abstract description 43
239000002904 solvent Substances 0.000 abstract description 16
239000000470 constituent Substances 0.000 abstract description 13
208000015181 infectious disease Diseases 0.000 abstract description 11
230000002458 infectious effect Effects 0.000 abstract description 11
238000004886 process control Methods 0.000 abstract description 7
238000010169 landfilling Methods 0.000 abstract description 6
239000006227 byproduct Substances 0.000 abstract description 3
238000012544 monitoring process Methods 0.000 abstract description 3
230000009257 reactivity Effects 0.000 abstract description 2
239000011973 solid acid Substances 0.000 abstract 1
239000002243 precursor Substances 0.000 description 38
239000000243 solution Substances 0.000 description 35
238000005202 decontamination Methods 0.000 description 8
230000003588 decontaminative effect Effects 0.000 description 7
239000007788 liquid Substances 0.000 description 6
230000006378 damage Effects 0.000 description 4
239000000463 material Substances 0.000 description 4
239000000203 mixture Substances 0.000 description 4
239000011800 void material Substances 0.000 description 4
150000001805 chlorine compounds Chemical class 0.000 description 3
239000000047 product Substances 0.000 description 3
208000030507 AIDS Diseases 0.000 description 2
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000000460 chlorine Substances 0.000 description 2
229910052801 chlorine Inorganic materials 0.000 description 2
238000002347 injection Methods 0.000 description 2
239000007924 injection Substances 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000004033 plastic Substances 0.000 description 2
239000002910 solid waste Substances 0.000 description 2
238000009736 wetting Methods 0.000 description 2
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
235000002918 Fraxinus excelsior Nutrition 0.000 description 1
239000011260 aqueous acid Substances 0.000 description 1
239000002956 ash Substances 0.000 description 1
239000011324 bead Substances 0.000 description 1
230000003115 biocidal effect Effects 0.000 description 1
239000003139 biocide Substances 0.000 description 1
239000002781 deodorant agent Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000011067 equilibration Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
239000000945 filler Substances 0.000 description 1
238000009472 formulation Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
230000005802 health problem Effects 0.000 description 1
-1 i.e. Substances 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
239000002906 medical waste Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
244000005700 microbiome Species 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
239000000123 paper Substances 0.000 description 1
239000000049 pigment Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
238000010298 pulverizing process Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
238000007789 sealing Methods 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
241000894007 species Species 0.000 description 1
238000005507 spraying Methods 0.000 description 1
238000010186 staining Methods 0.000 description 1
238000003860 storage Methods 0.000 description 1
239000008399 tap water Substances 0.000 description 1
235000020679 tap water Nutrition 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
150000003627 tricarboxylic acid derivatives Chemical class 0.000 description 1

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L11/00—Methods specially adapted for refuse
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
- A61B50/36—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
- A61B50/36—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles
- A61B50/39—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles the containers containing antimicrobial, antiviral or disinfectant agents
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/90—Identification means for patients or instruments, e.g. tags
- A61B90/92—Identification means for patients or instruments, e.g. tags coded with colour
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/90—Identification means for patients or instruments, e.g. tags
- A61B90/94—Identification means for patients or instruments, e.g. tags coded with symbols, e.g. text
- A61B90/96—Identification means for patients or instruments, e.g. tags coded with symbols, e.g. text using barcodes
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
- A61B2050/314—Flexible bags or pouches

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Surgery (AREA)
General Health & Medical Sciences (AREA)
Animal Behavior & Ethology (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Biomedical Technology (AREA)
Engineering & Computer Science (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Heart & Thoracic Surgery (AREA)
Medical Informatics (AREA)
Molecular Biology (AREA)
Oral & Maxillofacial Surgery (AREA)
Pathology (AREA)
Epidemiology (AREA)
Virology (AREA)
Processing Of Solid Wastes (AREA)
Apparatus For Disinfection Or Sterilisation (AREA)

CA002044077A 1990-04-19 1991-06-07 Traitement chimique de dechets infectieux Expired - Fee Related CA2044077C (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US51070090A	1990-04-19	1990-04-19
US510,700		1990-04-19
US07/692,195 US5190725A (en)	1990-04-19	1991-04-26	Chemical treatment of an infectious waste
US692,195		1991-04-26

Publications (2)

Publication Number	Publication Date
CA2044077A1 CA2044077A1 (fr)	1991-10-20
CA2044077C true CA2044077C (fr)	1997-10-07

Family

ID=27056995

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002044077A Expired - Fee Related CA2044077C (fr)	1990-04-19	1991-06-07	Traitement chimique de dechets infectieux

Country Status (1)

Country	Link
CA (1)	CA2044077C (fr)

1991
- 1991-06-07 CA CA002044077A patent/CA2044077C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2044077A1 (fr)	1991-10-20

Legal Events

Date	Code	Title	Description
1993-06-03	EEER	Examination request
1999-06-07	MKLA	Lapsed

Publication	Publication Date	Title
US5190725A (en)	1993-03-02	Chemical treatment of an infectious waste
JP2726162B2 (ja)	1998-03-11	医学的および生物学的廃棄物汚染除去システム
US5089228A (en)	1992-02-18	Method for sterilizing and disposing of infectious waste
US5116574A (en)	1992-05-26	Continuous treatment process and apparatus for the disinfection of infectious waste
US5277136A (en)	1994-01-11	Processing facility for disposing of infectious medical wastes
CA2137552C (fr)	2004-04-13	Traitement de matieres de rebut aux fins d'evacuation
US5534659A (en)	1996-07-09	Apparatus and method for treating hazardous waste
DE69424671T2 (de)	2001-02-01	Verfahren und vorrichtung zur sterilisation oder desinfektion von abfällen
EP0672426A1 (fr)	1995-09-20	Système de traitement de déchets infectieux en plusieurs étapes
US5397535A (en)	1995-03-14	Aggregate for construction material from infectious medical waste articles
US5656248A (en)	1997-08-12	Multi-stage infectious waste treatment system
HU217451B (hu)	2000-01-28	Eljárás és berendezés fertőzőképes mikroorganizmusokat tartalmazó anyag csírátlanítására
JPH09108312A (ja)	1997-04-28	材料、用具を処理し汚染除去する装置および方法
US5429799A (en)	1995-07-04	Microwave decomposition machine
US5242601A (en)	1993-09-07	Sludge treatment with CaO or CaC2 and recovery of CaO therefrom
CA2044324C (fr)	1998-06-02	Systeme multiphase de traitement de dechets infectieux
CA2044077C (fr)	1997-10-07	Traitement chimique de dechets infectieux
WO2003072509A1 (fr)	2003-09-04	Oxydation electrochimique mediee utilisee pour la sterilisation desinfection
EP0455326A2 (fr)	1991-11-06	Sac contenant un désinfectant pour la stérilisation de déchets contaminés
AU9704601A (en)	2003-06-12	Treatment of waste materials for disposal
HU213095B (en)	1997-02-28	Process for producing synergetic pharmaceutical compositions for preventing and treating neurological and psychiatrical damages produced by alcoholism
GB2314079A (en)	1997-12-17	Decomposing dioxins with supercritical water
KR100343786B1 (ko)	2002-07-20	가정용 음식물 쓰레기 소멸식 처리장치
WO1995018679A1 (fr)	1995-07-13	Procede et installation de traitement pour l'elimination de dechets medicaux infectieux
WO1997006387A2 (fr)	1997-02-20	Destruction de dechets dangereux avec un bain d'alcali oxydant