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The synthesis and electromagnetic properties of wave-like Ni
Applied Mechanics and Materials Vols. 184-185 (2012) pp 1348-1351

The oxidation pretreatment of a sulfidic refractory gold ore with pyrolusite
Advanced Materials Research Vols. 550-553 (2012) pp 2891-2894

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9Â¥: Originally posted by yjscsu at 2012-11-06 11:17:36
ÄǸö´óÏÀÊÇ·ñÄܰïæ²éÏ£ºElastic and plastic analysis of Drive wheel¡¯s Hertz contact
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1.


The oxidation pretreatment of a sulfidic refractory gold ore with pyrolusite


Hu, Surong1 ; Wang, Chao1; Wei, Qifeng2



Source: Advanced Materials Research, v 550-553, p 2891-2894, 2012, Advances in Chemical Engineering II;  ISSN: 10226680;  ISBN-13: 9783037854556;  DOI: 10.4028/www.scientific.net/AMR.550-553.2891; Conference: 2nd International Conference on Chemical Engineering and Advanced Materials, CEAM 2012, July 13, 2012 - July 15, 2012; Publisher: Trans Tech Publications


Author affiliations:

1 Institute of Mechanical Manufacturing Technology, China Academy of Engineering Physics, Mianyang, 621900, China

2 School of Chemical Engineering and Techonology, Harbin Institute of Technology, Harbin 150001, China

Abstract:

An attempt has been made to study the pretreatment of sulfidic refractory gold ore with pyrolusite. The influences of various parameters were studied to optimize the conditions. The optimum leaching conditions were pyrolusite/gold ore mass ratio of 3.0, H2SO4 concentration of 3.0 M, temperature of 100¡ãC, particle size of 45¦Ìm, stirring speed of 200 rpm. After the pretreatment, gold and silver were exposed, these made the extraction of the precious metal in the gold ore much easier. © (2012) Trans Tech Publications, Switzerland.(9 refs)

Main heading: Gold

Controlled terms: Chemical engineering  -  Gold ore treatment  -  Leaching  -  Ores

Uncontrolled terms: Gold and silver  -  Gold ores  -  Mass ratio  -  Optimum leaching conditions  -  Oxidation pre-treatment  -  Pre-Treatment  -  Pyrolusite  -  Refractory gold ore  -  Stirring speed

Classification Code: 502 Mines and Quarry Equipment and Operations -  504 Mines and Mining, Metal -  505 Mines and Mining, Nonmetallic -  533.1 Ore Treatment -  547.1 Precious Metals -  805.1 Chemical Engineering

Database: Compendex

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hsr129

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ÒýÓûØÌû:
3Â¥: Originally posted by fruitmycorrhiza at 2012-11-03 09:29:51
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1.


The oxidation pretreatment of a sulfidic refractory gold ore with pyrolusite


Hu, Surong1 ; Wang, Chao1; Wei, Qifeng2



Source: Advan ...

ÄÜ·ñ¸ø³ö¼ìË÷ºÅAccession number?
5Â¥2012-11-05 22:42:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hsr129

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hsr129: »ØÌûÖö¥ 2012-11-05 22:43:12
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6Â¥2012-11-05 22:42:53
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icestone2011

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hsr129: ½ð±Ò+3 2012-11-06 20:39:01
ÒýÓûØÌû:
5Â¥: Originally posted by hsr129 at 2012-11-05 22:42:29
ÄÜ·ñ¸ø³ö¼ìË÷ºÅAccession number?...

Accession number:        20124215573040
        Title:        The oxidation pretreatment of a sulfidic refractory gold ore with pyrolusite
        Authors:         Hu, Surong1 ; Wang, Chao1; Wei, Qifeng2
7Â¥2012-11-05 23:19:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fruitmycorrhiza

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hsr129: ½ð±Ò+3 2012-11-06 20:39:33
ÒýÓûØÌû:
5Â¥: Originally posted by hsr129 at 2012-11-05 22:42:29
ÄÜ·ñ¸ø³ö¼ìË÷ºÅAccession number?...

Accession number:


20124215573040





Title:

The oxidation pretreatment of a sulfidic refractory gold ore with pyrolusite





Authors:

Hu, Surong1 ; Wang, Chao1; Wei, Qifeng2





Author affiliation:

1Institute of Mechanical Manufacturing Technology, China Academy of Engineering Physics, Mianyang, 621900, China






2School of Chemical Engineering and Techonology, Harbin Institute of Technology, Harbin 150001, China





Corresponding author:

Hu, S. (hsr129@gmail.com)





Source title:

Advanced Materials Research





Abbreviated source title:

Adv. Mater. Res.





Volume:

550-553





Monograph title:

Advances in Chemical Engineering II





Issue date:

2012





Publication year:

2012





Pages:

2891-2894





Language:

English





ISSN:

10226680





ISBN-13:

9783037854556





Document type:

Conference article (CA)





Conference name:

2nd International Conference on Chemical Engineering and Advanced Materials, CEAM 2012





Conference date:

July 13, 2012 - July 15, 2012





Conference location:

Guangzhou, China





Conference code:

92757





Publisher:

Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany





Abstract:

An attempt has been made to study the pretreatment of sulfidic refractory gold ore with pyrolusite. The influences of various parameters were studied to optimize the conditions. The optimum leaching conditions were pyrolusite/gold ore mass ratio of 3.0, H2SO4 concentration of 3.0 M, temperature of 100¡ãC, particle size of 45¦Ìm, stirring speed of 200 rpm. After the pretreatment, gold and silver were exposed, these made the extraction of the precious metal in the gold ore much easier. © (2012) Trans Tech Publications, Switzerland.





Number of references:

9





Main heading:

Gold





Controlled terms:

Chemical engineering  -  Gold ore treatment  -  Leaching  -  Ores





Uncontrolled terms:

Gold and silver  -  Gold ores  -  Mass ratio  -  Optimum leaching conditions  -  Oxidation pre-treatment  -  Pre-Treatment  -  Pyrolusite  -  Refractory gold ore  -  Stirring speed





Classification code:

502 Mines and Quarry Equipment and Operations -  504 Mines and Mining, Metal -  505 Mines and Mining, Nonmetallic -  533.1 Ore Treatment -  547.1 Precious Metals -  805.1 Chemical Engineering





DOI:

10.4028/www.scientific.net/AMR.550-553.2891





Database:

Compendex






Compilation and indexing terms, © 2012 Elsevier Inc.
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8Â¥2012-11-06 08:22:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yjscsu

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ÄǸö´óÏÀÊÇ·ñÄܰïæ²éÏ£ºElastic and plastic analysis of Drive wheel¡¯s Hertz contact
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