BE859989A - Regulation des installations de fibrage avec traitement des effluents - Google Patents

Regulation des installations de fibrage avec traitement des effluents

Info

Publication number: BE859989A
Authority: BE; Belgium
Prior art keywords: fibring; regulation; systems; effluent treatment; effluent
Prior art date: 1976-10-22

Application number

BE181959A

Other languages

English (en)

Original Assignee

Saint Gobain

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.)

1976-10-22

Filing date

1977-10-21

Publication date

1978-04-21

1977-10-21 Application filed by Saint Gobain filed Critical Saint Gobain

1978-04-21 Publication of BE859989A publication Critical patent/BE859989A/fr

Links

Classifications

- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
- D04H1/4226—Glass fibres characterised by the apparatus for manufacturing the glass fleece
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/587—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/736—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Dispersion Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Treating Waste Gases (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Preliminary Treatment Of Fibers (AREA)
Nonwoven Fabrics (AREA)
Inorganic Fibers (AREA)
Chemical Or Physical Treatment Of Fibers (AREA)

BE181959A 1976-10-22 1977-10-21 Regulation des installations de fibrage avec traitement des effluents BE859989A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7631860A FR2368445A1 (fr)	1976-10-22	1976-10-22	Regulation des installations de fibrage avec traitement des effluents

Publications (1)

Publication Number	Publication Date
BE859989A true BE859989A (fr)	1978-04-21

Family

ID=9179095

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE181959A BE859989A (fr)	1976-10-22	1977-10-21	Regulation des installations de fibrage avec traitement des effluents

Country Status (36)

Country	Link
US (1)	US4087267A (fr)
JP (1)	JPS5352775A (fr)
AR (1)	AR212894A1 (fr)
AT (1)	AT367725B (fr)
AU (1)	AU511927B2 (fr)
BE (1)	BE859989A (fr)
BG (1)	BG31507A3 (fr)
BR (1)	BR7707038A (fr)
CA (2)	CA1090072A (fr)
CH (1)	CH619436A5 (fr)
CS (1)	CS210616B2 (fr)
DD (1)	DD131861A5 (fr)
DE (1)	DE2747151A1 (fr)
DK (1)	DK148629C (fr)
EG (1)	EG12830A (fr)
ES (1)	ES463471A1 (fr)
FI (1)	FI61677C (fr)
FR (1)	FR2368445A1 (fr)
GB (1)	GB1579788A (fr)
GR (1)	GR62001B (fr)
IE (1)	IE45713B1 (fr)
IL (1)	IL53086A (fr)
IN (1)	IN146930B (fr)
IT (1)	IT1087115B (fr)
LU (1)	LU78362A1 (fr)
MX (1)	MX145894A (fr)
NL (1)	NL7711573A (fr)
NO (1)	NO773609L (fr)
NZ (1)	NZ185476A (fr)
PH (1)	PH14039A (fr)
PL (1)	PL114480B1 (fr)
PT (1)	PT67180B (fr)
SE (1)	SE430599B (fr)
TR (1)	TR19540A (fr)
YU (1)	YU39134B (fr)
ZA (1)	ZA776286B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2460360A1 (fr) *	1979-07-02	1981-01-23	Flaekt Ind	Procede et dispositif de depollution dans une installation de fabrication d'un matelas de fibres
US4268294A (en) *	1979-11-15	1981-05-19	Laughlin Sidney J	Method and apparatus for producing fiber product
US4261720A (en) *	1979-11-20	1981-04-14	Knauf Fiber Glass Gmbh	Method and system for purifying fiber-resin emissions
US4486211A (en) *	1980-06-27	1984-12-04	Energy Fibers Int'l Corp.	Apparatus and methods of operation for converting fly ash into high quality mineral wool
FR2503134B1 (fr) *	1981-04-02	1985-06-14	Saint Gobain Isover	Procede et dispositif de lavage utilises dans la fabrication de matelas de fibres minerales
FR2511051A1 (fr) *	1981-08-06	1983-02-11	Saint Gobain Isover	Procede et dispositif pour l'amelioration des conditions de formation de matelas de fibres
US4601742A (en) *	1985-04-22	1986-07-22	Owens-Corning Fiberglas Corporation	Blower for mineral fiberizer
CA2068584C (fr)	1991-06-18	1997-04-22	Paul H. Burmeister	Guide metallique intravasculaire et mode de fabrication
MX9305787A (es) *	1992-09-22	1994-05-31	Schuller Int Inc	Composicion de enlace de fibra de vidrio que contiene elastomero de latex y metodo para reducir la caida de las composiciones de fibra de vidrio.
AT400712B (de) *	1993-05-24	1996-03-25	Heraklith Baustoffe Ag	Verfahren und vorrichtung zur luftführung an spinnmaschinen
US7185516B2 (en) *	2002-05-31	2007-03-06	Owens Corning Fiberglas Technology, Inc.	Washwater neutralization system for glass forming line
CN112695391B (zh) *	2020-12-22	2021-09-07	江苏德力化纤有限公司	一种高均匀性超细聚酯纤维生产设备及制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2317895A (en) *	1941-03-03	1943-04-27	American Rock Wool Corp	Means for and method of manufacturing mineral wool products by the "dry" process
US3442633A (en) *	1964-01-02	1969-05-06	Walter Merton Perry	Method and apparatus for conveying and for treating glass fibers
US3496251A (en) *	1964-01-24	1970-02-17	Showa Denko Kk	Chlorinated polyethylene graft copolymer and blends containing same
US3347648A (en) *	1964-08-19	1967-10-17	Certain Teed Fiber Glass	Spinning glass filaments
US3671210A (en) *	1969-09-15	1972-06-20	Richardson Service Inc	Method and apparatus for fiberizing molten mineral materials
US3762896A (en) *	1971-08-23	1973-10-02	Owens Corning Fiberglass Corp	Method and apparatus for producing fibers and environmental control therefore
US3877911A (en) *	1972-09-13	1975-04-15	Owens Corning Fiberglass Corp	Method and apparatus for producing fibers
US4052183A (en) *	1973-04-24	1977-10-04	Saint-Gobain Industries	Method and apparatus for suppression of pollution in toration of glass fibers
US3865540A (en) *	1973-04-27	1975-02-11	Johns Manville	Purging system and method for a process producing glass fiber blankets
US3883334A (en) *	1974-05-23	1975-05-13	L C Cassidy & Son Inc	Mineral fiber production method and apparatus

1976
- 1976-10-22 FR FR7631860A patent/FR2368445A1/fr active Granted
- 1976-12-08 CA CA267,423A patent/CA1090072A/fr not_active Expired
- 1976-12-08 CA CA267,424A patent/CA1099061A/fr not_active Expired
- 1976-12-30 US US05/747,397 patent/US4087267A/en not_active Expired - Lifetime
1977
- 1977-09-26 PL PL1977201045A patent/PL114480B1/pl unknown
- 1977-09-29 IL IL53086A patent/IL53086A/xx unknown
- 1977-10-05 GB GB41421/77A patent/GB1579788A/en not_active Expired
- 1977-10-10 MX MX170879A patent/MX145894A/es unknown
- 1977-10-11 IN IN1503/CAL/77A patent/IN146930B/en unknown
- 1977-10-13 IE IE2090/77A patent/IE45713B1/en unknown
- 1977-10-13 PH PH20326A patent/PH14039A/en unknown
- 1977-10-17 AR AR269613A patent/AR212894A1/es active
- 1977-10-18 TR TR19540A patent/TR19540A/xx unknown
- 1977-10-18 AT AT0745277A patent/AT367725B/de not_active IP Right Cessation
- 1977-10-19 FI FI773104A patent/FI61677C/fi not_active IP Right Cessation
- 1977-10-19 BG BG7737619A patent/BG31507A3/xx unknown
- 1977-10-19 NZ NZ185476A patent/NZ185476A/xx unknown
- 1977-10-20 IT IT28813/77A patent/IT1087115B/it active
- 1977-10-20 GR GR54616A patent/GR62001B/el unknown
- 1977-10-20 DE DE19772747151 patent/DE2747151A1/de not_active Withdrawn
- 1977-10-20 BR BR7707038A patent/BR7707038A/pt unknown
- 1977-10-20 DD DD7700201627A patent/DD131861A5/xx unknown
- 1977-10-20 YU YU02526/77A patent/YU39134B/xx unknown
- 1977-10-21 PT PT67180A patent/PT67180B/fr unknown
- 1977-10-21 CH CH1287277A patent/CH619436A5/fr not_active IP Right Cessation
- 1977-10-21 SE SE7711892A patent/SE430599B/sv not_active IP Right Cessation
- 1977-10-21 ZA ZA00776286A patent/ZA776286B/xx unknown
- 1977-10-21 AU AU29928/77A patent/AU511927B2/en not_active Expired
- 1977-10-21 ES ES463471A patent/ES463471A1/es not_active Expired
- 1977-10-21 DK DK471077A patent/DK148629C/da not_active IP Right Cessation
- 1977-10-21 JP JP12589377A patent/JPS5352775A/ja active Pending
- 1977-10-21 LU LU78362A patent/LU78362A1/xx unknown
- 1977-10-21 BE BE181959A patent/BE859989A/fr not_active IP Right Cessation
- 1977-10-21 NO NO773609A patent/NO773609L/no unknown
- 1977-10-21 CS CS776864A patent/CS210616B2/cs unknown
- 1977-10-21 NL NL7711573A patent/NL7711573A/xx not_active Application Discontinuation
- 1977-10-22 EG EG604/77A patent/EG12830A/xx active

Also Published As

Publication number	Publication date
CS210616B2 (en)	1982-01-29
NO773609L (no)	1978-04-25
BR7707038A (pt)	1978-08-08
NZ185476A (en)	1980-05-27
AT367725B (de)	1982-07-26
FI61677C (fi)	1982-09-10
PT67180B (fr)	1979-03-22
IE45713L (en)	1978-04-22
JPS5352775A (en)	1978-05-13
DK148629C (da)	1986-01-20
ATA745277A (de)	1981-12-15
AR212894A1 (es)	1978-10-31
CA1090072A (fr)	1980-11-25
LU78362A1 (fr)	1978-06-12
FI773104A (fi)	1978-04-23
IN146930B (fr)	1979-10-20
IL53086A0 (en)	1977-12-30
DK471077A (da)	1978-04-23
AU511927B2 (en)	1980-09-11
DE2747151A1 (de)	1978-04-27
SE430599B (sv)	1983-11-28
DK148629B (da)	1985-08-19
GB1579788A (en)	1980-11-26
TR19540A (tr)	1979-07-09
FR2368445B1 (fr)	1980-10-17
BG31507A3 (en)	1982-01-15
SE7711892L (sv)	1978-04-23
ZA776286B (en)	1978-07-26
ES463471A1 (es)	1978-07-16
IL53086A (en)	1980-12-31
PL201045A1 (pl)	1978-04-24
CH619436A5 (fr)	1980-09-30
MX145894A (es)	1982-04-19
DD131861A5 (de)	1978-07-26
YU39134B (en)	1984-06-30
AU2992877A (en)	1979-04-26
FR2368445A1 (fr)	1978-05-19
NL7711573A (nl)	1978-04-25
PL114480B1 (en)	1981-01-31
IE45713B1 (en)	1982-11-03
GR62001B (en)	1979-02-14
CA1099061A (fr)	1981-04-14
EG12830A (en)	1979-12-31
US4087267A (en)	1978-05-02
PH14039A (en)	1980-12-12
IT1087115B (it)	1985-05-31
FI61677B (fi)	1982-05-31
YU252677A (en)	1983-01-21
PT67180A (fr)	1977-11-01

Legal Events

Date

Code

Title

Description

1988-04-30

RE

Patent lapsed

Owner name: SAINT-GOBAIN INDUSTRIES

Effective date: 19871031

Publication	Publication Date	Title
FR2450238B1 (fr)	1985-08-02	Installation d'epuration d'eaux usees
FR2351063A1 (fr)	1977-12-09	Traitement d'effluents de papeteries
AU515955B2 (en)	1981-05-14	Treatment of domestic wastewater aerated sludge
SE7810758L (sv)	1979-05-01	Behandling av avloppsvatten
BE859989A (fr)	1978-04-21	Regulation des installations de fibrage avec traitement des effluents
BE855426A (fr)	1977-12-06	Procede et installation pour le traitement des effluents et eaux d'egouts
BE871512A (fr)	1979-04-24	Installation de prelevement et de traitement d'epuration d'eaux et d'effluents aqueux.
FR2347311A1 (fr)	1977-11-04	Traitement d'effluents
SE7807648L (sv)	1979-01-09	Biologisk denitrifikation av effluenter
BE859790A (fr)	1978-04-17	Procede de traitement d'effluents nitriques
FR2322102A1 (fr)	1977-03-25	Installation d'epuration des eaux usees
BE884537A (fr)	1981-01-29	Traitement des effluants de carbonylation
RO72421A (fr)	1981-09-24	Procede de reduction de l'entree d'eau
NO803438L (no)	1981-05-18	Kloakkrenseanlegg.
BE844351A (fr)	1977-01-20	Procede de traitement d'un effluent
BE843668A (fr)	1976-11-03	Dispositif et procede de traitement d'effluents
IT1113669B (it)	1986-01-20	Trattamento di sistemi acquosi
IT1198367B (it)	1988-12-21	Impianto per depurare acque luride
BE748754A (fr)	1970-10-12	Traitement des effluents d'egouts
FR2343703A1 (fr)	1977-10-07	Procede et installation de traitement des boues
BE859883A (fr)	1978-02-15	Installation pour le traitement des eaux usees
BE855341A (fr)	1977-10-03	Installation de purification d'eaux residuaires
FR2350307A1 (fr)	1977-12-02	Procede de traitement d'effluents aqueux
BE859489A (fr)	1978-04-07	Procede de traitement d'eaux usees
PT67373B (fr)	1979-05-16	Dispositif pour le traitement des eaux usees