DE4113813A1 - Cleaning waste water from printing operations - in which desorption air is purified in activated carbon@ filter before venting, and desorbed water is further filtered - Google Patents
Cleaning waste water from printing operations - in which desorption air is purified in activated carbon@ filter before venting, and desorbed water is further filteredInfo
- Publication number
- DE4113813A1 DE4113813A1 DE19914113813 DE4113813A DE4113813A1 DE 4113813 A1 DE4113813 A1 DE 4113813A1 DE 19914113813 DE19914113813 DE 19914113813 DE 4113813 A DE4113813 A DE 4113813A DE 4113813 A1 DE4113813 A1 DE 4113813A1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- water
- container
- air
- desorption
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2235/00—Cleaning
- B41P2235/30—Recovering used solvents or residues
- B41P2235/31—Recovering used solvents or residues by filtering
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Description
Die Erfindung geht aus von einem Verfahren zum Reinigen des Farb stoffe, organische Lösungsmittel und gegebenenfalls andere Verunreinigun gen enthaltenden Abwassers aus Druckereibetrieben, insbesondere Siebdruck betrieben.The invention is based on a method for cleaning the paint substances, organic solvents and possibly other impurities gene containing waste water from printing plants, especially screen printing operated.
Die Reinigung der Abwässer aus Druckereien, insbesondere Siebdruckan lagen ist ein nach wie vor nur ungenügend gelöstes Problem. So ist es aus der EP-OS 2 50 394 bekannt, die in derartigen Anlagen anfallenden Abwässer nach einer Filterung zur Abscheidung der Feststoffpartikel zur Beseitigung der insbesondere organischen Lösungsmittel und gegebenenfalls Tenside durch Einblasen von Luft als Desorptionsmittel zu strippen. Es kann auf diese Weise zwar das Abwasser weitestgehend von diesen Verunreinigungen befreit werden, die jedoch durch den Stripp-Vorgang von der Luft mitgeführt und in die Atmosphäre überführt werden, aus denen sie ebenfalls mit erheblichem Aufwand entfernt werden müssen.Treatment of waste water from printing plants, especially screen printing is still an insufficiently solved problem. So it is out EP-OS 2 50 394 discloses the wastewater accumulating in such plants after filtering to separate the solid particles for removal especially organic solvents and optionally surfactants by blowing in air as a desorbent. It can be on this way the wastewater largely from these contaminants are freed from the air, however, by the stripping process carried along and transferred into the atmosphere from which they are also have to be removed with considerable effort.
Der vorliegenden Erfindung liegt als Aufgabe die Schaffung eines Verfahrens der beschriebenen Art zugrunde, mit dessen Hilfe eine wirksame Reinigung der die Druckanlage verlassenden Abwässer ohne Belastung der Atmosphäre erreicht werden kann. The present invention has for its object to provide a Process of the type described, with the help of an effective Purification of the waste water leaving the pressure system without polluting the Atmosphere can be achieved.
Diese Aufgabe wird mit dem im Patentanspruch 1 wiedergegebenen Verfahren gelöst.This object is achieved with that reproduced in claim 1 Procedure solved.
Durch die Erfindung ist ein Verfahren geschaffen, mit dessen Hilfe Abwässer aus Druckanlagen, insbesondere Siebdruckanlagen vollständig gereinigt werden können in dem Sinne, daß eine Umweltbelastung weder des Vorfluters noch der Atmosphäre eintritt. Durch die vorgängige Enthärtung des in die Druckeinrichtung eingeführten Prozeßwasser einerseits und die sich an das Strippen anschließende Kühlung der Abluft wird einerseits eine praktisch vollständige Überführung der im Prozeßwasser mitgeführten flüch tigen Bestandteile in die Atmosphäre und andererseits aufgrund der Nieder schlagung der in der Abluft mitgeführten Feuchtigkeit im Kühler eine prak tisch quantitative Adsorption der Schadstoffe aus der Abluft im Aktivkoh lefilter ohne Schädigung des Filters erreicht.The invention provides a method by means of which Waste water from printing plants, especially screen printing plants, completely can be cleaned in the sense that environmental pollution is neither the Receiving water still enters the atmosphere. Due to the previous softening the process water introduced into the pressure device on the one hand and the cooling of the exhaust air subsequent to the stripping becomes on the one hand practically complete transfer of the flüch carried in the process water components in the atmosphere and on the other hand due to the low beat of the moisture in the exhaust air in the cooler a prak quantitative adsorption of pollutants from the exhaust air in activated carbon lefilter reached without damaging the filter.
Weitere Ausführungsformen und Vorteile ergeben sich aus der nachfol genden Beschreibung, in der die Erfindung anhand der beiliegenden Zeich nung beispielsweise erläutert ist. Es zeigenFurther embodiments and advantages result from the following the description in which the invention with reference to the accompanying drawing voltage is explained for example. Show it
Fig. 1 eine schematische Darstellung einer Druckanlage Fig. 1 is a schematic representation of a printing system
Fig. 2 eine schematische Schnittdarstellung eines Abwasserfilters Fig. 2 is a schematic sectional view of a waste water filter
In der Zeichnung ist eine Druckanlage mit einer Druckeinrichtung 30, 31 wiedergegeben, der über eine Leitung 8 eine Reinigungsanlage aus einem Absetzbehälter 1, zwei Filterbehältern 3, 4 und einem einen Luftauslaß 19 20 in die Atmosphäre aufweisenden Desorptionsbehälter 5 zur Extraktion von flüchtigen Bestandteilen, wie organischen Lösungsmitteln, Tensiden und dergl., aus dem Abwasser nachgeordnet sind. Die Frischwasserzufuhr erfolgt über die Einlaßleitung 28, während die Desorption (Strippen) erfolgt unter Verwendung von Luft als Desorptionsmittel, die über die Leitung 17 und das Ventil 18 in den Desorptionsbehälter 5 eingeleitet wird. Es sind weiterhin dem Desorptionsbehälter im Wasserkreislauf ein Nachfilter 6 und ein Puffertank 7 nachgeordnet.In the drawing, a pressure system with a pressure device 30 , 31 is shown , the cleaning system via a line 8 from a settling tank 1 , two filter tanks 3 , 4 and an air outlet 19 20 into the atmosphere having desorption tank 5 for extracting volatile components, such as organic solvents, surfactants and the like, from which wastewater is subordinate. The fresh water supply takes place via the inlet line 28 , while the desorption (stripping) takes place using air as the desorbent, which is introduced into the desorption container 5 via the line 17 and the valve 18 . A post-filter 6 and a buffer tank 7 are further arranged downstream of the desorption tank in the water circuit.
Es sind erfindungsgemäß in dem zur Druckeinrichtung führenden Wasser zulauf eine Enthärtungsanlage 29 zur Enthärtung des Frischwassers und in der dem Desorptionsbehälter 5 nachgeordneten Luftauslaßleitung 19, 20 eine Kühleinrichtung 27 und hieran anschließend ein Aktivkohlefilter 21 angeordnet.According to the invention, a softening system 29 for softening the fresh water and in the air outlet line 19 , 20 downstream of the desorption container 5 , a cooling device 27 and then an activated carbon filter 21 are arranged in the water leading to the pressure device.
Der dem Desorptionsbehälter nachgeordnete Filter 6 besteht im wesent lichen aus einem Behälter 40 mit einem Zulauf im Behälterkopf und einem der Aufnahme von Filter- bezw. Reaktionsmaterial dienenden, einen Sieb boden 41 aufweisenden Einsatz 42, wobei der Behälter 40 mit einem Wasser auslauf 43 versehen ist, der zur Bildung eines Sumpfes in einer gewissen Höhe oberhalb des Behälterbodens in der Behälterwand angeordnet ist. Es ist weiterhin im Behälterboden ein zu einem Schlammbehälter führender Aus lauf 4 vorgesehen. Sowohl der Behälter 40 als auch der Einsatz 42 weisen jeweils an ihrem oberen Ende einen Verbindungsflansch 46 bzw. 47 auf, die gemeinsam mit einem den Zulaufstutzen 48 sowie ein Überlaufventil 49 aufweisenden Deckel 50 zu einer Einheit verbunden werden können. The filter 6 arranged downstream of the desorption container consists essentially of a container 40 with an inlet in the container head and one for receiving filter or. Reaction material serving, a sieve bottom 41 having insert 42 , the container 40 is provided with a water outlet 43 which is arranged to form a sump at a certain height above the bottom of the container in the container wall. It is also provided in the bottom of the tank leading to a sludge tank from run 4 . Both the container 40 and the insert 42 each have a connecting flange 46 or 47 at their upper end, which can be connected to form a unit together with a cover 50 having the inlet connection 48 and an overflow valve 49 .
Das Filter- bzw. Reaktionsmaterial können direkt in den Einsatz ein gebracht werden, es kann jedoch auch in Form einer geschlossenen Filterpa trone 51 mit einer flüssigkeitsdurchlässigen Umhüllung eingebracht werden, wobei die Durchlässigkeit des Umhüllungs- und Filtermaterials sowie der Durchflußquerschnitt des Siebbodens 41 derart auf die Förderleistung er Pumpe abgestimmt ist, daß das Wasser bei Gewährleistung einer ausreichen den Kontaktzeit mit dem Filter- bezw. Reaktionsmaterial im wesentlichen ohne Druckaufbau durch die Säule des Filtermaterials strömt. Es wird auf diese Weise eine optimale Reinigung des durchströmenden Wassers bei Ver meidung von Verdichtungen des Filter- bezw. Reaktionsmaterials erreicht, wobei nach Beladung bezw. Verbrauch des Filter- bezw. Reaktionsmaterials ein die anschließende Entsorgung außerordentlich erleichternder Austausch des Filtermaterials durch lediglich Entnahme der Filterpatrone 51 an ihren Henkeln 52 und Einbringung einer neuen Patrone ermöglicht wird.The filter or reaction material can be put directly into the insert, but it can also be introduced in the form of a closed filter cartridge 51 with a liquid-permeable sheathing, the permeability of the sheathing and filter material and the flow cross-section of the sieve plate 41 in such a way that Delivery he pump is matched that the water while ensuring a sufficient contact time with the filter or. Reaction material flows through the column of filter material essentially without building up pressure. In this way, an optimal cleaning of the water flowing through while avoiding compression of the filter or. Reaction material reached, where after loading. Consumption of the filter or Reaction material, the subsequent disposal of the filter material is greatly facilitated by simply removing the filter cartridge 51 from its handles 52 and inserting a new cartridge.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914113813 DE4113813A1 (en) | 1991-04-27 | 1991-04-27 | Cleaning waste water from printing operations - in which desorption air is purified in activated carbon@ filter before venting, and desorbed water is further filtered |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914113813 DE4113813A1 (en) | 1991-04-27 | 1991-04-27 | Cleaning waste water from printing operations - in which desorption air is purified in activated carbon@ filter before venting, and desorbed water is further filtered |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4113813A1 true DE4113813A1 (en) | 1992-10-29 |
Family
ID=6430496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19914113813 Ceased DE4113813A1 (en) | 1991-04-27 | 1991-04-27 | Cleaning waste water from printing operations - in which desorption air is purified in activated carbon@ filter before venting, and desorbed water is further filtered |
Country Status (1)
Country | Link |
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DE (1) | DE4113813A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0779150A1 (en) * | 1995-12-15 | 1997-06-18 | Baldwin-Gegenheimer GmbH | Washing system of graphic industry machine |
EP1273331A2 (en) * | 2001-07-05 | 2003-01-08 | MAN Roland Druckmaschinen AG | Treatment of used washing compositions |
CN104959131A (en) * | 2015-06-15 | 2015-10-07 | 威洁(石狮)中水回用技术有限公司 | Nano material application equipment and nano material recycling method |
WO2016096885A1 (en) * | 2014-12-19 | 2016-06-23 | Bergische Universität Wuppertal | Method for industrial water treatment |
Citations (18)
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---|---|---|---|---|
DE347899C (en) * | 1922-01-27 | Albert Schreiber | Device for continuous dehairing of boiler feed water | |
US3912472A (en) * | 1971-12-29 | 1975-10-14 | Farr Co | Air filter for gaseous pollutants |
DE2813864A1 (en) * | 1978-03-31 | 1979-10-11 | Dirk Gustav Kronsbein | FILTER |
GB2038648A (en) * | 1978-10-10 | 1980-07-30 | Gen Electric | Purifying waste water |
DE2934246A1 (en) * | 1979-08-24 | 1981-03-26 | Hartwig 74744 Ahorn Straub | Activated carbon filter - with inlets near base periphery and outlets near top centre |
DE3237277A1 (en) * | 1982-10-08 | 1984-04-12 | BÖWE Maschinenfabrik GmbH, 8900 Augsburg | Process for removing organic solvent residues from an aqueous washing bath |
DE3335994A1 (en) * | 1983-10-04 | 1985-04-11 | Didier-Werke Ag, 6200 Wiesbaden | Process for the purification using adsorbents of waste waters polluted with organic substances |
DE3437135A1 (en) * | 1984-02-27 | 1985-09-12 | Molins Machine Co., Inc., Cherry Hill, N.J. | PRINT INK DISTRIBUTION SYSTEM WITH SELF-CLEANING FILTER |
DE3605338A1 (en) * | 1984-09-12 | 1987-08-20 | Magyar Asvanyolaj Es Foeldgaz | METHOD AND DEVICE FOR REDUCING THE INACTIVE SALT CONTENT OF WASTE SOLUTIONS FROM NUCLEAR POWER PLANTS |
SU1353737A1 (en) * | 1985-04-09 | 1987-11-23 | Одесский государственный университет им.И.И.Мечникова | Method of removing benzol from waste water |
EP0250394A2 (en) * | 1986-06-18 | 1987-12-23 | Franz Barth | Process and apparatus for the purification of waste water from printing plants, especially from screening installations |
DE8811041U1 (en) * | 1988-09-01 | 1989-02-09 | ISG Kreutzer Import und Service GmbH, 5960 Olpe | Multi-stage drinking water filter device |
US4808237A (en) * | 1987-02-02 | 1989-02-28 | Mccormick James P | Method and components for cleaning silk screens |
DE3810705A1 (en) * | 1988-03-25 | 1989-10-05 | Silica Gel Gmbh Adsorptions Te | Multistage process for removing solvents contained in a gas |
EP0176912B1 (en) * | 1984-10-05 | 1989-11-08 | Bayer Ag | Method of purifying waste water |
DE3842599A1 (en) * | 1988-12-17 | 1990-06-21 | Linde Ag | METHOD FOR THE TREATMENT OF A WASTE SAUERAGE-CONTAINING WASTE |
DE3935445A1 (en) * | 1989-10-25 | 1991-05-02 | Phytec Physikalisch Tech Anlag | Purifying waste water contg. volatiles, esp. hydrocarbon(s) - by treating with current of air in appts. comprising desorption column at reduced pressure and adsorption column |
DE4012744A1 (en) * | 1990-04-21 | 1991-10-24 | Otto Oeko Tech | Assembly to render gases safe for atmos. release - includes absorber contg. active carbon bed, cooler, separator, blower and heater |
-
1991
- 1991-04-27 DE DE19914113813 patent/DE4113813A1/en not_active Ceased
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DE347899C (en) * | 1922-01-27 | Albert Schreiber | Device for continuous dehairing of boiler feed water | |
US3912472A (en) * | 1971-12-29 | 1975-10-14 | Farr Co | Air filter for gaseous pollutants |
DE2813864A1 (en) * | 1978-03-31 | 1979-10-11 | Dirk Gustav Kronsbein | FILTER |
GB2038648A (en) * | 1978-10-10 | 1980-07-30 | Gen Electric | Purifying waste water |
DE2934246A1 (en) * | 1979-08-24 | 1981-03-26 | Hartwig 74744 Ahorn Straub | Activated carbon filter - with inlets near base periphery and outlets near top centre |
DE3237277A1 (en) * | 1982-10-08 | 1984-04-12 | BÖWE Maschinenfabrik GmbH, 8900 Augsburg | Process for removing organic solvent residues from an aqueous washing bath |
DE3335994A1 (en) * | 1983-10-04 | 1985-04-11 | Didier-Werke Ag, 6200 Wiesbaden | Process for the purification using adsorbents of waste waters polluted with organic substances |
DE3437135A1 (en) * | 1984-02-27 | 1985-09-12 | Molins Machine Co., Inc., Cherry Hill, N.J. | PRINT INK DISTRIBUTION SYSTEM WITH SELF-CLEANING FILTER |
DE3605338A1 (en) * | 1984-09-12 | 1987-08-20 | Magyar Asvanyolaj Es Foeldgaz | METHOD AND DEVICE FOR REDUCING THE INACTIVE SALT CONTENT OF WASTE SOLUTIONS FROM NUCLEAR POWER PLANTS |
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EP0250394A2 (en) * | 1986-06-18 | 1987-12-23 | Franz Barth | Process and apparatus for the purification of waste water from printing plants, especially from screening installations |
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DE3810705A1 (en) * | 1988-03-25 | 1989-10-05 | Silica Gel Gmbh Adsorptions Te | Multistage process for removing solvents contained in a gas |
DE8811041U1 (en) * | 1988-09-01 | 1989-02-09 | ISG Kreutzer Import und Service GmbH, 5960 Olpe | Multi-stage drinking water filter device |
DE3842599A1 (en) * | 1988-12-17 | 1990-06-21 | Linde Ag | METHOD FOR THE TREATMENT OF A WASTE SAUERAGE-CONTAINING WASTE |
DE3935445A1 (en) * | 1989-10-25 | 1991-05-02 | Phytec Physikalisch Tech Anlag | Purifying waste water contg. volatiles, esp. hydrocarbon(s) - by treating with current of air in appts. comprising desorption column at reduced pressure and adsorption column |
DE4012744A1 (en) * | 1990-04-21 | 1991-10-24 | Otto Oeko Tech | Assembly to render gases safe for atmos. release - includes absorber contg. active carbon bed, cooler, separator, blower and heater |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0779150A1 (en) * | 1995-12-15 | 1997-06-18 | Baldwin-Gegenheimer GmbH | Washing system of graphic industry machine |
EP1273331A2 (en) * | 2001-07-05 | 2003-01-08 | MAN Roland Druckmaschinen AG | Treatment of used washing compositions |
EP1273331A3 (en) * | 2001-07-05 | 2003-02-12 | MAN Roland Druckmaschinen AG | Treatment of used washing compositions |
WO2016096885A1 (en) * | 2014-12-19 | 2016-06-23 | Bergische Universität Wuppertal | Method for industrial water treatment |
CN104959131A (en) * | 2015-06-15 | 2015-10-07 | 威洁(石狮)中水回用技术有限公司 | Nano material application equipment and nano material recycling method |
CN104959131B (en) * | 2015-06-15 | 2017-06-30 | 威洁(石狮)中水回用技术有限公司 | Application of micron equipment and its resource utilization method |
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