Aluminium Spent Pot Lining

Spent potlining - Wikipedia

Aluminium Smelting - Reprocessing of Spent Pot Linings

Smelter Pot Delining and Relining | Pyrotek | Pyrotek

Pot lining life generally extends 1500 to 3000 days but can be reduced if the lining fails prematurely through block cracking, lining erosion, poor operating conditions, etc Spent pot …

Spent Potlining (SPL): A myriad of opportunities

spent pot lining of aluminium reduction cells by stone leaching

Gainful utilization of spent pot lining - A Hazardous

AThesis On Gainful utilization of spent pot lining - A Hazardous Waste from aluminum industry Submitted By Sidharth Sankar Parhi Roll No 611CH306

Spent pot lining recycling & treatment plant - Ultromex

Aluminum smelters have long wrestled with the problem of recycling and disposal of spent pot lining This hazardous waste stream contains toxic compounds including leachable fluorides and cyanides plus it reacts with water producing explosive gas mixtures of hydrogen and methane

Spent Potlining Challenges - Regain Materials

Spent Potlining Challenges Developing viable and practical solutions to the Spent Potlining problem has proven difficult due to the inherent hazards of SPL, its highly variable nature and complex chemistry

AL30 - Discussion of Industrial Spent Potlining Treatment

Discussion of Industrial Spent Pot Lining Treatment Harald Arnljot Øye Professor Norwegian University of Science and Technology, Trondheim, Norway

The Legacy of Spent Potliner – Cost or Opportunity

EGA Signs Deal To Provide 27,000t Of Spent Pot Lining To

Emirates Global Aluminium PJSC (EGA) announced late last week an agreement to supply Gulf Cement Company with 27,000 metric tons of spent pot lining through 2020 for use by the company in the production of cement

The Legacy of Spent Potliner – Cost or Opportunity

Primary aluminum smelters have spent many millions on improved pot linings, squeezing the last available drop from the energy efficiencies in cathodes, ramming materials, and collector bar design But when it comes to the end of a pot’s life, this high-tech material is scooped out and thrown away as a waste Present preference is to regulate SPL as a hazardous waste, often with onerous and

“optimization in the treatment of Spent pot Lining - A

The increase in demand of aluminium leads to production of more Spent Pot Lining as well as more environmental problems The objective of this study is to optimize the process

Total recovery of Spent Pot Liner (SPL) using the Befesa

Strive to convert all spent pot-lining into feedstocks for other industries, or to re-use and or process all SPL in its own facilities •Applies to: Global Aluminium Industry Solid wastes from the primary aluminium industry September 2012 Solid wastes from the primary aluminium industry •Spent Pot Linnings (SPL): • Hazardous waste produced during the desmantling of used electrolitic

EGA: Waste management | Aluminium International Today

Emirates Global Aluminium (EGA), has shipped around 5,000 tonnes of spent pot lining, a by-product from its industrial process, to Befesa, a company in the United Kingdom that specialises in waste management and recycling

EGA Signs Deal To Provide 27,000t Of Spent Pot Lining To

Emirates Global Aluminium PJSC (EGA) announced late last week an agreement to supply Gulf Cement Company with 27,000 metric tons of spent pot lining through 2020 for use by the company in the production of cement

Alcan to build aluminum spent pot lining recycling plant

Alcan Inc : 29 July, 2007 (New Product) Alcan will build a US$180 million aluminum spent pot lining recycling plant in Quebec

EGA Sends First Shipment of 5,000 MT of Spent Pot Lining

UAE’s Emirates Global Aluminium (EGA) announced last week the first shipment of spent pot lining to British waste management firm Befesa for recycling According to the EGA press release, the firm shipped approximately 5,000 metric tons of the spent lining to Befesa for reuse in industries including cement, fiberglass, and ceramics Pot

Advances at Qatalum for the recycling of SPL - Qatar Aluminium

De-Lining Process Where Qatalum has taken a lead is in the recycling of Spent Pot lining, First Cut (SPL 1) and Second Cut (SPL2) Both SPL 1 and SPL 2 consist of material removed during the de-lining process of cells used in the making of liquid aluminium

(PDF) Landfilling of produced spent pot liner in aluminium

Spent pot liner (SPL) is a one of the most important solid waste generated by the aluminium industry during the manufacture of aluminium metal in electrolytic cells Because of the presence of

Evaluation of spent pot lining (SPL) as an alternative

Spent pot lining (SPL) is a carbonaceous waste from primary aluminum production which could potentially participate in the ironmaking with consolidated raw materials With that in mind, a SPL first cut sample was characterized aiming its application in the ironmaking industry Proximate, sulfur and calorific value determinations were carried out, as well as ash stone (XRF) and mineralogical

EGA to supply spent pot lining to Arkan for cement

Emirates Global Aluminium has signed an agreement with Arkan, a building materials company, to supply a waste product from aluminium smelting for use in the manufacturing of cement

Petition · Block aluminium smelters that try to bury Spent

Burying toxic and poisonous Spent Pot Lining is in my opinion an environmental crime For 43 years the local aluminium smelter at Kurri Kurri has been producing as a by-product, Spent Pot Lining, a toxic hazardous waste

Dr B Sengupta - Knowledge Exchange Platform

SPENT POT LINING (SPL) WASTE The production process of Aluminum involves conversion of Alumina to Aluminium through an electrolytic process that

Crystallization of AlF OHH O, for Application in the

II Abstract Spent pot lining (SPL) is a major waste generated in the process of producing primary aluminium (7-30 kg SPL per tonne of primary aluminium)

(PDF) Gainful utilization of spent pot lining - A

Spent Pot Lining (SPL) or Spent Cathode is a solid waste produced by the aluminum industry during the manufacture of aluminum metal in electrolytic cells

“ENVIRONMENTAL EFFECT OF SPENT POT LINING FROM ALUMINIUM …

Safe disposal of spent pot lining (SPL) of the cryolite bath is the greatest solid waste problem from aluminium smelting process Pot lining is a layer of carbon situated between the molten metal and refractory material in side the steel shell of an aluminium reduction cell The Primary purpose of the pot lining is to provide high electrical conductivity through the cell and to protect steel

Spent pot lining project (feasibility of an agreement

Spent Pot Lining (SPL) project (feasibility of an agreement based approach to clear stockpiles) SPL is a waste material generated from aluminium smelters, of which there are four in current operation in Australia and two recently closed down

The Legacy of Spent Potliner – Cost or Opportunity

Primary aluminum smelters have spent many millions on improved pot linings, squeezing the last available drop from the energy efficiencies in cathodes, ramming materials, and collector bar design But when it comes to the end of a pot’s life, this high-tech material is scooped out and thrown away as a waste Present preference is to regulate SPL as a hazardous waste, often with onerous and

Co-utilization of spent pot-lining and coal gangue by

Spent pot-lining from aluminum electrolysis and coal gangue are toxic and hazardous solid wastes with high recovery value and contents of valuable elements, such as carbon, silicon, aluminum and fluorine

Spent Potliner Treatment - SPL Treatment - Tetronics

Robust solution to spent potliner Tetronics offers a safe and permanent treatment solution for Spent Potliner (SPL), thereby overcoming one of the biggest challenges faced by the global primary aluminium production sector