DE20301323U1 - Neutralization additive for residual mining water comprises finely divided calcined dolomite of specified characteristics in solid or aqueous suspension form - Google Patents

Neutralization additive for residual mining water comprises finely divided calcined dolomite of specified characteristics in solid or aqueous suspension form

Info

Publication number
DE20301323U1
DE20301323U1 DE20301323U DE20301323U DE20301323U1 DE 20301323 U1 DE20301323 U1 DE 20301323U1 DE 20301323 U DE20301323 U DE 20301323U DE 20301323 U DE20301323 U DE 20301323U DE 20301323 U1 DE20301323 U1 DE 20301323U1
Authority
DE
Germany
Prior art keywords
solid
aqueous suspension
mining water
suspension form
finely divided
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.)
Expired - Lifetime
Application number
DE20301323U
Other languages
German (de)
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.)
Eta AG Engineering De
Lmbv Lausitzer- und Mitteldeutsche Bergbau-Ver De
Original Assignee
ETA AG
Ebauchesfabrik ETA AG
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 ETA AG, Ebauchesfabrik ETA AG filed Critical ETA AG
Priority to DE20301323U priority Critical patent/DE20301323U1/en
Publication of DE20301323U1 publication Critical patent/DE20301323U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

An additive for neutralization of acidic, optionally aerated residual water from mining is introduced in solid or aqueous suspension form and is of calcined dolomite with a bulk density above 0.8 t/m 3>, an above 90% content of particles of size below 0.2 mm, a CaO content above 40%, a MgO content above 25% and a total CaOMgO content above 80%.

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (3)

1. Einsatzstoff für die Aufbereitung von sauren Bergbauwässern, die belüftete und/oder unbelüftete Gruben- und Bergbauwässer sein können und die als Fest­ stoff oder in einer Suspension mit Wasser in die zu behandelnden Wässer ein­ gebracht werden können, dadurch gekennzeichnet, dass insbesondere zur Neut­ ralisation dieser Wässer, dass der Einsatzstoff gebrannter Dolomit mit einem An­ teil von < 40% CaO und < 25% MgO, bei einem Gesamtanteil von CaOMgO von < 80% ist und eine Körnung von < 0,2 mm für die Neutralisation mit einem Anteil von < 90% und eine Schüttdichte von < 0,8 t/m3 aufweist.1. Input material for the treatment of acidic mining water, which can be aerated and / or non-ventilated mine and mining water and which can be brought into the water to be treated as a solid or in a suspension with water, characterized in that in particular for neutering ralization of these waters that the input material is burnt dolomite with a share of <40% CaO and <25% MgO, with a total share of CaOMgO of <80% and a grain size of <0.2 mm for neutralization with a share of <90% and a bulk density of <0.8 t / m 3 . 2. Einsatzstoff nach Anspruch 1, dadurch gekennzeichnet, dass der Anteil in der einzubringenden Suspension bis zu 45% beträgt.2. Feed material according to claim 1, characterized in that the proportion in the suspension to be introduced is up to 45%. 3. Einsatzstoff nach Anspruch 1 und 2, dadurch gekennzeichnet, dass die Suspen­ sionsflüssigkeit Gruben- und/oder Bergbauwasser ist.3. Feed material according to claim 1 and 2, characterized in that the suspensions sion fluid mine and / or mining water.
DE20301323U 2003-01-29 2003-01-29 Neutralization additive for residual mining water comprises finely divided calcined dolomite of specified characteristics in solid or aqueous suspension form Expired - Lifetime DE20301323U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20301323U DE20301323U1 (en) 2003-01-29 2003-01-29 Neutralization additive for residual mining water comprises finely divided calcined dolomite of specified characteristics in solid or aqueous suspension form

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20301323U DE20301323U1 (en) 2003-01-29 2003-01-29 Neutralization additive for residual mining water comprises finely divided calcined dolomite of specified characteristics in solid or aqueous suspension form

Publications (1)

Publication Number Publication Date
DE20301323U1 true DE20301323U1 (en) 2003-04-10

Family

ID=7979511

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20301323U Expired - Lifetime DE20301323U1 (en) 2003-01-29 2003-01-29 Neutralization additive for residual mining water comprises finely divided calcined dolomite of specified characteristics in solid or aqueous suspension form

Country Status (1)

Country Link
DE (1) DE20301323U1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008008390U1 (en) 2008-06-23 2009-01-08 Rabe, Wolfgang, Dipl.-Chem. Feedstock for the treatment and aftercare of acidic surface waters
DE102010055034A1 (en) 2010-12-17 2012-06-21 Rheinkalk Gmbh Treating water bodies, comprises introducing a feed material containing an unburned lime product into the water bodies to be treated
DE102010055032A1 (en) 2010-12-17 2012-06-21 Rheinkalk Gmbh Treating water bodies, comprises introducing a feed material containing an unburned lime product into the water bodies to be treated
WO2012080514A1 (en) 2010-12-17 2012-06-21 Rheinkalk Gmbh Method for treating bodies of water
US8617402B2 (en) 2007-09-13 2013-12-31 Rheinkalk Gmbh Method of raising the pH of acidic bodies of water

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8617402B2 (en) 2007-09-13 2013-12-31 Rheinkalk Gmbh Method of raising the pH of acidic bodies of water
DE202008008390U1 (en) 2008-06-23 2009-01-08 Rabe, Wolfgang, Dipl.-Chem. Feedstock for the treatment and aftercare of acidic surface waters
DE102010055034A1 (en) 2010-12-17 2012-06-21 Rheinkalk Gmbh Treating water bodies, comprises introducing a feed material containing an unburned lime product into the water bodies to be treated
DE102010055032A1 (en) 2010-12-17 2012-06-21 Rheinkalk Gmbh Treating water bodies, comprises introducing a feed material containing an unburned lime product into the water bodies to be treated
WO2012080514A1 (en) 2010-12-17 2012-06-21 Rheinkalk Gmbh Method for treating bodies of water
DE202011110411U1 (en) 2010-12-17 2013-12-13 Rheinkalk Gmbh Use of an unburned lime product for the treatment of waters
US9290395B2 (en) 2010-12-17 2016-03-22 Rheinkalk Gmbh Methods for treating bodies of water

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 20030515

R150 Term of protection extended to 6 years

Effective date: 20060130

R151 Term of protection extended to 8 years

Effective date: 20090219

R081 Change of applicant/patentee

Owner name: ETA AG ENGINEERING, DE

Free format text: FORMER OWNER: ETA AG, 03042 COTTBUS, DE

Effective date: 20100119

Owner name: LMBV LAUSITZER- UND MITTELDEUTSCHE BERGBAU-VER, DE

Free format text: FORMER OWNER: ETA AG, 03042 COTTBUS, DE

Effective date: 20100119

R152 Term of protection extended to 10 years

Effective date: 20110126

R071 Expiry of right
R071 Expiry of right