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ITS » Paper and Presentation » Teknik Material
Posted by tondoindra@gmail.com at 23/11/2015 14:20:19  •  2354 Views


THE EFFECT OF DOLOMITE FLUX ADDITION FOR CONVERTING PROCESS OF COPPER MATTE TO BLISTER

PENGARUH PENAMBAHAN FLUX DOLOMITE PADA PROSES CONVERTING PADA TEMBAGA MATTE MENJADI BLISTER

Author :
ABHILASA, GIRINDRA ( 2710100096 )




ABSTRAK

Penelitian ini merupakan proses pemurnian lanjut tembaga matte dari smelting blast furnace pada metode pirometalurgi. Converting pada penelitian ini merupakan proses oksidasi tembaga matte dan logam tembaga yang masih memiliki pengotor dengan peniupan oksigen dan penambahan flux. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan flux dolomite terhadap kemurnian tembaga blister dan slagnya. Penambahan flux dilakukan dengan variasi rasio CaOFe jumlah penambahan kapur yaitu sebesar 18 3433g 15 5494g 13 1167g dan tanpa penambahan kapur sebagai pembanding. Proses converting dilakukan dengan debit udara 12 litermenit selama 10 menit. Produk tembaga blister dan slag diuji XRF dan XRD untuk mengetahui kadar komposisi Cu Fe S dan senyawa yang terbentuk. Hasil dari penelitian didapatkan kadar Cu yang paling baik adalah dengan penambahan kapur hingga memiliki rasio 13. Kadar Cu pada slag memiliki komposisi paling rendah dengan rasio 13.


ABSTRACT

This research is a further refining process of copper matte from smelting blast furnace in pyrometallurgy. Converting in this research is a oxidation of copper matte and copper that still has impurities with blowing oxygen and flux addition. This research is aimed to study some effects for purity of copper matte and its slag by adding CaCO3 flux. Added flux are determined by CaOFe ratio. CaOFe ratio adding Dolomite in this research are 18 3433g 15 5494g 13 1167g and without flux addition for comparison. This converting process is using 9 litreminutes of blowing oxygen for 10 minutes. The product from this process copper blister and slag is examined by XRF and XRD to study Cu Fe and S composition and its compounds. The result of this research is the highest composition of Cu by adding lime in 13 ratio. In this ratio the slag has the less of Cu losses in slag.



Keywordsconverting, flux dolomite, tembaga matte, tembaga blister
 
Subject:  Ekstraksi (teknik kimia); Senyawa tembaga; metalurgi
Contributor
  1. Sungging Pintowantoro, S.T.,M.T., Ph.D
Date Create: 23/11/2015
Type: Text
Format: PDF
Language: Indonesian
Identifier: ITS-paper-27121150008143
Collection ID: 27121150008143
Call Number: RSMt 671.732 Abh p


Source
Paper and Presentation of Material And Metalurgy Engineering RSMt 671.732 Abh p, 2015

Coverage
ITS Community

Rights
Copyright @2015 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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  1.  ITS-paper-39719-ITS-paper-39719-2710100096-paper.pdf - 505 KB
  2.  ITS-paper-39719-ITS-paper-39719-2710100096-presentation.pdf - 1721 KB




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