|
US3903241A
(en)
*
|
1973-10-10 |
1975-09-02 |
Universal Oil Prod Co |
Hydrometallurgical recovery of nickel values from laterites
|
|
CA1036829A
(en)
*
|
1975-07-30 |
1978-08-22 |
Kohur N. Subramanian |
Two stage sulfuric acid leaching of sea nodules
|
|
US4098870A
(en)
*
|
1977-07-22 |
1978-07-04 |
Amax Inc. |
Acid leaching of nickeliferous oxide ores with minimized scaling
|
|
US4399109A
(en)
*
|
1982-02-26 |
1983-08-16 |
Compagnie Francaise D'entreprises Minieres, Metallurgiques Et D'investissements |
Control of silica scaling during acid leaching of lateritic ore
|
|
US4374101A
(en)
*
|
1982-06-21 |
1983-02-15 |
Amax Inc. |
Chemical dissolution of scale formed during pressure leaching of nickeliferous oxide and silicate ores
|
|
US4415542A
(en)
*
|
1982-06-21 |
1983-11-15 |
Compagne Francaise D'entreprises Minieres, Metallurgiques Et D'investissements |
Controlling scale composition during acid pressure leaching of laterite and garnierite ore
|
|
US4541868A
(en)
*
|
1983-07-22 |
1985-09-17 |
California Nickel Corporation |
Recovery of nickel and cobalt by controlled sulfuric acid leaching
|
|
US4548794A
(en)
*
|
1983-07-22 |
1985-10-22 |
California Nickel Corporation |
Method of recovering nickel from laterite ores
|
|
US4541994A
(en)
*
|
1983-07-22 |
1985-09-17 |
California Nickel Corporation |
Method of liberating nickel- and cobalt-enriched fines from laterite
|
|
US4547348A
(en)
*
|
1984-02-02 |
1985-10-15 |
Amax Inc. |
Conditioning of laterite pressure leach liquor
|
|
DE3534565A1
(de)
*
|
1984-09-29 |
1986-04-03 |
Nippon Kokan K.K., Tokio/Tokyo |
Verfahren zum verfluessigen von kohle
|
|
US4979987A
(en)
*
|
1988-07-19 |
1990-12-25 |
First Miss Gold, Inc. |
Precious metals recovery from refractory carbonate ores
|
|
US5229088A
(en)
*
|
1992-03-06 |
1993-07-20 |
Intevep, S.A. |
Process for recovery of nickel and magnesium from a naturally occurring material
|
|
FR2689140B1
(fr)
*
|
1992-03-06 |
1994-06-03 |
Intevep Sa |
Procede pour la recuperation de nickel et de magnesium a partir d'une matiere a l'etat natif.
|
|
US5535992A
(en)
*
|
1995-03-07 |
1996-07-16 |
Goro Nickel S.A. |
Apparatus and method for acidic leaching of lateritic ores
|
|
US7018605B2
(en)
*
|
2002-02-25 |
2006-03-28 |
Sumitomo Metal Mining Co., Ltd. |
Sulfidation reaction control method
|
|
AUPS201902A0
(en)
*
|
2002-04-29 |
2002-06-06 |
Qni Technology Pty Ltd |
Modified atmospheric leach process for laterite ores
|
|
US7235118B2
(en)
*
|
2003-04-16 |
2007-06-26 |
National Research Council Of Canada |
Process for agglomeration and densification of nanometer sized particles
|
|
FR2856050B1
(fr)
*
|
2003-06-12 |
2005-08-26 |
Sumitomo Metal Mining Co |
Procede de controle d'une reaction de sulfuration
|
|
JP4525428B2
(ja)
*
|
2004-05-13 |
2010-08-18 |
住友金属鉱山株式会社 |
ニッケル酸化鉱石の湿式製錬方法
|
|
US7604783B2
(en)
*
|
2004-12-22 |
2009-10-20 |
Placer Dome Technical Services Limited |
Reduction of lime consumption when treating refractor gold ores or concentrates
|
|
US7387767B2
(en)
*
|
2005-04-07 |
2008-06-17 |
Dynatec Corporation |
Recovery of nickel, cobalt, iron, silica, zinc and copper from laterite ore by sulfuric acid leaching
|
|
BRPI0707019A2
(pt)
*
|
2006-02-24 |
2011-04-12 |
Ct De Investigaciones Y Proecto Para La Ind Minero Metalurgia Cipimm |
procedimento para aumentar a porcentagem de sólidos de minerais de argila e limonìticos nas polpas para alimentar as autoclaves no procedimento de lixiviação da pressão de ácido
|
|
US8061888B2
(en)
*
|
2006-03-17 |
2011-11-22 |
Barrick Gold Corporation |
Autoclave with underflow dividers
|
|
US8252254B2
(en)
*
|
2006-06-15 |
2012-08-28 |
Barrick Gold Corporation |
Process for reduced alkali consumption in the recovery of silver
|
|
JP5516534B2
(ja)
*
|
2011-08-22 |
2014-06-11 |
住友金属鉱山株式会社 |
ニッケル回収ロスの低減方法、ニッケル酸化鉱石の湿式製錬方法、並びに硫化処理システム
|
|
JP5617877B2
(ja)
*
|
2012-08-13 |
2014-11-05 |
住友金属鉱山株式会社 |
ニッケル酸化鉱製錬における排水処理方法
|
|
CN104611558B
(zh)
*
|
2014-12-31 |
2017-03-01 |
金川集团股份有限公司 |
一种通过联合浸出工艺从红土镍矿中回收镍、钴、铁和硅的方法
|
|
US11142809B2
(en)
*
|
2015-02-10 |
2021-10-12 |
Scandium International Mining Corp. |
Systems and processes for recovering scandium values from laterite ores
|