DE1011817B - Process for the clarification of waste water - Google Patents

Process for the clarification of waste water

Info

Publication number
DE1011817B
DE1011817B DER2549D DER0002549D DE1011817B DE 1011817 B DE1011817 B DE 1011817B DE R2549 D DER2549 D DE R2549D DE R0002549 D DER0002549 D DE R0002549D DE 1011817 B DE1011817 B DE 1011817B
Authority
DE
Germany
Prior art keywords
clarification
waste water
wastewater
brines
substances
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.)
Pending
Application number
DER2549D
Other languages
German (de)
Inventor
Dr Hans Erbring
Hans Werner Fiedler
Dr Hellmut Wild
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.)
Roebel & Fiedler Chem Fab K G
Original Assignee
Roebel & Fiedler Chem Fab K G
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 Roebel & Fiedler Chem Fab K G filed Critical Roebel & Fiedler Chem Fab K G
Priority to DER2549D priority Critical patent/DE1011817B/en
Publication of DE1011817B publication Critical patent/DE1011817B/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities

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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Description

Verfahren zur Klärung von Abwässern Gegenstand der Erfindung ist ein Verfahren zur Klärung von Abwässern, die anorganische und bzw. oder organische Trübungsstoffe fein suspendiert oder kolloidgelöst enthalten, wie beispielsweise Abwässer, die Trübtungsstoffe mineralischer, metallischer, metalloider Natur oder Faser- und Farbstoffe usw. enthalten.Process for the clarification of wastewater The invention is a Process for the clarification of wastewater, the inorganic and / or organic turbidity substances finely suspended or in colloid solution, such as waste water containing Clouding substances of a mineral, metallic, metalloid nature or fibers and dyes etc. included.

Bekannt sind eine Reihe von Verfahren, die Abwasserklärung auf mechanischem oder biologischem Wege durchzuführen.A number of methods are known for treating wastewater mechanically or biologically.

Weiterhin sind Verfahren chemisch-physikalischer Natur bekannt, die Klärung insbesondere mittels Adsorption oder Flotation durchzuführen, z. B. mit aktiver Kohle, aktivem Erden, gelartigen bzw. Hydroxydniederschlägen, Zufügung nichtlöslicher Flüssigkeiten, Schaumerzeugung usw. Es ist schließlich bekannt, gewisse Abwässer zu klären durch Zusatz stark verdünnter Proteinlösungen.Furthermore, methods of a chemical-physical nature are known which To carry out clarification in particular by means of adsorption or flotation, e.g. B. with active charcoal, active earth, gel-like or hydroxide precipitates, addition of insoluble ones Liquids, foam generation, etc. After all, it is known that certain wastewater to be clarified by adding highly diluted protein solutions.

Die vorliegende Erfindung beruht auf der Erkenntnis, die elektrische Ladungen tragenden Trübungsteilchen durch Zusatz entgegengesetzt geladener Kolloide zur Aggregation zu bringen. Der gleiche Effekt ist auch durch Zusatz kation- bzw. anionaktiver Kolloidelektrolyte zu erzielen. Eiweißkörper sollen hierunter nicht verstanden werden.The present invention is based on the knowledge that electrical Charged turbidity particles by adding oppositely charged colloids to bring to aggregation. The same effect is also achieved by adding cation or to achieve anion-active colloidal electrolytes. Protein bodies should not be included here be understood.

Es hat sich herausgestellt, daß man von den zuzufügenden Kolloidstoffen zweckmäßigerweise nur solche Mengen zusetzt, die unterhalb der Peptisations-bzw. Umladungsgrenze der Trübungsstoffe oder aber unterhalb der Schutzkolloiid-Konzentration liegen.It has been found that one of the colloidal substances to be added expediently only adding such amounts that are below the peptization or. Transfer limit of the opacifying substances or else below the protective colloid concentration lie.

So gelingt es, z. B. feinste Ton-, Kaolintrübungen od. dgl, führende Abwässer durch Zusatz geringer Mengen Eisenoxydsol od. dgl. zu klären.So it succeeds, for. B. finest clay, kaolin cloudiness or the like, leading To clarify wastewater by adding small amounts of iron oxide sol or the like.

Desgleichen lassen sich kolloide Farbstoffe enthaltende Abwässer durch Zusatz geringer Mengen Schwefelsol od. dgl. klären.Wastewater containing colloidal dyes can also pass through Add small amounts of sulfur sol or the like to clarify.

Faserstoff enthaltende Abwässer sind z. B. durch Zusatz von Quecksilber-sulfosalizylsäure od. dgl. klärbar. Durch Eisenoxyd getrübte Abwässer werden durch Harzsol od. dgl. geklärt.Waste waters containing pulp are z. B. by adding mercury sulfosalicylic acid or the like can be clarified. Wastewater clouded by iron oxide is replaced by resin sol or the like. clarified.

Claims (3)

PATENTANSPRÜCHE 1. Verfahren zur Klärung von Abwässern, die anorganische und bzw. oder organische Trübungsstoffe in feiner Suspension oder kolloidgelöst enthalten, auf kolloid-chemischem Wege, dadurch gekennzeichnet, daß den Trübungsstoffen entgegengesetzt aufgeladene Sole zugesetzt werden. PATENT CLAIMS 1. A process for the clarification of wastewater containing inorganic and / or organic turbidity substances in fine suspension or in colloid solution, by colloid-chemical means, characterized in that oppositely charged brines are added to the turbidity substances. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß kation- bzw. anionaktive Kolloidelektrolyte für sich allein oder zusammen mit den oben gekennzeichneten Solen verwendet werden. 2. The method according to claim 1, characterized in that cation- or anion-active colloidal electrolytes for themselves can be used alone or together with the brines identified above. 3. Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet"daß die genannten Sole in geringer und einen kritischen Schwellenwert nicht überschreitenden Konzentration verwendet werden.3. Procedure according to claim 1 and 2, characterized in that "said brine in less and a concentration not exceeding a critical threshold is used will.
DER2549D 1938-03-07 1938-03-07 Process for the clarification of waste water Pending DE1011817B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER2549D DE1011817B (en) 1938-03-07 1938-03-07 Process for the clarification of waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER2549D DE1011817B (en) 1938-03-07 1938-03-07 Process for the clarification of waste water

Publications (1)

Publication Number Publication Date
DE1011817B true DE1011817B (en) 1957-07-04

Family

ID=7396037

Family Applications (1)

Application Number Title Priority Date Filing Date
DER2549D Pending DE1011817B (en) 1938-03-07 1938-03-07 Process for the clarification of waste water

Country Status (1)

Country Link
DE (1) DE1011817B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3129136A1 (en) * 1980-10-15 1982-06-09 Upravlenie vodoprovodno-kanalizacionnogo chozjajstva, Leningrad Process for conditioning waste water sludges
DE3131411A1 (en) * 1980-08-08 1982-06-24 Kurita Water Industries Ltd., Osaka METHOD FOR DRAINING SLUDGE
US8772382B2 (en) 2008-11-26 2014-07-08 Chemson Polymer-Additive Ag Heavy metal-free stabilizer composition for halogenated polymers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131411A1 (en) * 1980-08-08 1982-06-24 Kurita Water Industries Ltd., Osaka METHOD FOR DRAINING SLUDGE
DE3129136A1 (en) * 1980-10-15 1982-06-09 Upravlenie vodoprovodno-kanalizacionnogo chozjajstva, Leningrad Process for conditioning waste water sludges
US8772382B2 (en) 2008-11-26 2014-07-08 Chemson Polymer-Additive Ag Heavy metal-free stabilizer composition for halogenated polymers

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