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A laboratory study on smelt-reduction of briquettes made of wastes from stainless steel production
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.
1999 (Engelska)Ingår i: REWAS '99: Global Symposium on Recycling, Waste Treatment and Clean Technology : proceedings of the "REWAS'99: Global Symposium on Recycling, Waste Treatment and Clean Technology", held in San Sebastián, Spain, September 5 - 9, 1999 : TMS Fall 1999 Extraction and Process Metallurgy Meeting / [ed] I. Gaballah, 1999, s. 1061-1072Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Wastes from stainless steel production were briquetted together with carbon for smelt-reduction in the electric arc furnace, EAF, to achieve an internal recycling. A laboratory induction furnace was used to simulate the EAF to study the disintegration of the briquettes under heating and recovery of metals from briquettes melted together with stainless steel and slag-former. The influences of test conditions on carbon reduction of oxides in the briquettes were also examined. The briquettes endured heating at 1186°C under load and could be charged to the melt in small quantity without causing serious splashing. For a high metal recovery, it was necessary to charge the briquettes together with slag-former. Small local zones of smelt-reduction with high carbon concentration could thus be formed during heating. Silicon content in the metal near to the briquettes should be minimised to achieve a high degree of carbon reduction. Based on results obtained from this study, suggestions were made on smooth operations of smelt-reduction of the briquettes by using electric arc furnaces of large scale

Ort, förlag, år, upplaga, sidor
1999. s. 1061-1072
Nationell ämneskategori
Metallurgi och metalliska material
Forskningsämne
Processmetallurgi
Identifikatorer
URN: urn:nbn:se:ltu:diva-37276Lokalt ID: b4019c00-fca5-11dc-a946-000ea68e967bOAI: oai:DiVA.org:ltu-37276DiVA, id: diva2:1010774
Konferens
Global Symposium on Recycling, Waste Treatment and Clean Technology : 05/09/1999 - 09/09/1999
Anmärkning

Godkänd; 1999; 20080328 (cira)

Tillgänglig från: 2016-10-03 Skapad: 2016-10-03 Senast uppdaterad: 2017-11-25Bibliografiskt granskad

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Yang, QixingMenad, NourreddineBjörkman, Bo

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Yang, QixingMenad, NourreddineBjörkman, Bo
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Metallurgi och metalliska material

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