NZ594187A - Waste Treatment Process - Google Patents

Waste Treatment Process

Info

Publication number
NZ594187A
NZ594187A NZ59418711A NZ59418711A NZ594187A NZ 594187 A NZ594187 A NZ 594187A NZ 59418711 A NZ59418711 A NZ 59418711A NZ 59418711 A NZ59418711 A NZ 59418711A NZ 594187 A NZ594187 A NZ 594187A
Authority
NZ
New Zealand
Prior art keywords
spl
mixture
kiln
calcium
source
Prior art date
Application number
NZ59418711A
Inventor
David Leigh Irvine
Original Assignee
Irvine Technology Ltd
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 Irvine Technology Ltd filed Critical Irvine Technology Ltd
Priority to NZ59418711A priority Critical patent/NZ594187A/en
Priority to AU2012205190A priority patent/AU2012205190B2/en
Publication of NZ594187A publication Critical patent/NZ594187A/en

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

Disclosed herein is a method of treating spent pot liner (SPL) material or materials having similar compositions thereto, the method including the steps of: Placing a SPL mixture into a kiln (preferably a counter current fired rotary kiln), wherein the mixture includes SPL material, a silicon source (preferably selected from one or more of silicon dioxide, waste glass, silicon sand), a calcium source (preferably selected from one or more of calcium carbonate, calcium oxide, calcium hydroxide) and an iron source, and Heating the SPL mixture to a tempereature in the range of 1050°C to 1150°C to cause combustion of the carbon in the SPL material and melting of the SPL mixture to form a slag, and Discharging the resulted slag from the kiln, The method being characterised by: Ensuring the percentage of iron within the net SPL mixture is in the range of 5-20%w/w.
NZ59418711A 2011-07-21 2011-07-21 Waste Treatment Process NZ594187A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NZ59418711A NZ594187A (en) 2011-07-21 2011-07-21 Waste Treatment Process
AU2012205190A AU2012205190B2 (en) 2011-07-21 2012-07-18 Waste Treatment Process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ59418711A NZ594187A (en) 2011-07-21 2011-07-21 Waste Treatment Process

Publications (1)

Publication Number Publication Date
NZ594187A true NZ594187A (en) 2013-10-25

Family

ID=47679154

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ59418711A NZ594187A (en) 2011-07-21 2011-07-21 Waste Treatment Process

Country Status (2)

Country Link
AU (1) AU2012205190B2 (en)
NZ (1) NZ594187A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107282598A (en) * 2017-07-03 2017-10-24 李立安 A kind of aluminium cell discards the recoverying and utilizing method of cathode carbon pieces

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69324682T2 (en) * 1992-06-29 1999-12-23 Tech Resources Pty Ltd WASTE TREATMENT
ES2161242T3 (en) * 1993-04-06 2001-12-01 Ausmelt Ltd CAST OF A MATERIAL CONTAINING CARBON.
US6498282B1 (en) * 2000-06-19 2002-12-24 The United States Of America As Represented By The United States Department Of Energy Method for processing aluminum spent potliner in a graphite electrode ARC furnace
AU2003200307B2 (en) * 2002-02-01 2008-06-05 The University Of Melbourne Method for detoxification of spent potlining

Also Published As

Publication number Publication date
AU2012205190B2 (en) 2015-01-22
AU2012205190A1 (en) 2013-02-07

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PSEA Patent sealed
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Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 18 JUL 2017 BY JAMES + WELLS

Effective date: 20160713

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 18 JUL 2018 BY JAMES + WELLS

Effective date: 20170706

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 18 JUL 2019 BY JAMES + WELLS

Effective date: 20180716

LAPS Patent lapsed