SKY Machinery Co., Ltd.

Company Profile

As the leader of global crushing and grinding industry, SKY always insists on science paralleling with quality and seeking innovation & excellence. For a long time, SKY has always strived to create a leading brand and the most valuable brand of global mining machines with strong production capacity as development foundation, perfect research power as quality guarantee and excellent service systems as brand extension.

Go on the path to excellence --- respect industrial value of SKY

  • Established in 1987, SKY has had 30 years of experience in mining machine industry.
  • Only can Lingang production base bring annual output value of 4 billion yuan. This base is strong enough to influence the whole Asian area, even the situation of world mining machine production.
  • The area of 6 domestic first-class digital mining machine production bases and 1 biggest mining machine manufacturing factory over the world amounts to over 600 thousand square meters.
  • SKY sales net covers over 160 countries and regions from different continents and overseas offices were established in more than 20 countries.



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Patent US4619690 - Chromite ore beneficiation - Google Patents

28 Oct 1986 , Disclosed is a process for beneficiating chromite ore , After roasting, the ore is preferably leached using an aqueous ferric sulfate solution to , by Dwight L Harris and reported in the Transactions of the Society of Mining Engineers, September 1964 at pp , 4 shows the effect of varying grain sizes; and

Leaching Mechanisms of Cr(VI) from Chromite Ore Processing ,

The concentration levels for total chromium (Cr) and Cr(VI) in the leaching solutions were virtually identical for pH , tions in chromite ore composition, extraction process, and deposi- , with a step size of 002° and a count time of 3 s per step

Mineral processing ii - SlideShare

17 Apr 2014 , , is the process of extracting HEAP LEACHING OF COPPER ORE: , The HEAP LEACHING PROCESS: More noble metals such as silver and , (4) NODULIZING Nodulizing is a process of size enlargement by , Examples include: Chromite,Hematite,Limonite,Monazite,Aluminum,Tin, Platinum; 16

Run of mine ore Definition – Resource/Mining Dictionary | Casey ,

Now—and this is the important part—as far as processing is concerned, size , the heap of ore dissolving the mineralization contained in it (see heap leaching)

Speciation and recovery of chromium from chromite ore processing ,

The processing of chromite ore is associated with the generation of large quantities , The soluble chromate compounds are leached during the extraction process, and , The mud obtained contained particles of different sizes and hence was.

Leaching kinetics of acid-soluble Cr(VI) from chromite ore ,

26 Apr 2011 , Leaching kinetics of acid-soluble Cr(VI) in chromite ore processing , HF concentration and particle size is 0493 8 and −2013 3, respectively

chromium processing | Britannica

23 Aug 2013 , As the mineral chromite, chromium is employed extensively as a refractory material , but podiform deposits (scattered pod-shaped formations of varying size) are also important , Extraction and refining , In the electrolytic process, milled high-carbon ferrochromium is leached by a mixture of reduced.

Metals Mining and Milling Process Profiles With Environmental ,

EPA-600/2-76-167 June 1976 METALS MINING AND MILLING PROCESS PROFILES ,, Heap leaching may entail less washing after leaching due to the giant size of the heap , No chromite has been mined fn the United States since 1961

Chromite Beneficiation Process - Mineral Processing / Metallurgy

12 Apr 2016 , 1 The Problem with Chromite Processing; 2 The Chromite Extraction , further reduction of the chrome and consequent loss in the fine siz

process of extraction from chromite ore

1 Sep 2016 , sizing of leaching processes in chromite extraction chromite ore having particle size concentration process during extraction of copper

Comparative study of alkali roasting and leaching of chromite ores ,

13 Aug 2015 , Comparative study of alkali roasting and leaching of chromite ores and , In this process, the extraction of chromium is achieved via roasting the , with a comparative size, resulting in differing chemical compositions and.

Static and Dynamic Leaching of Chromium(VI) from Chromium ,

4 Jan 2012 , , factory has used chromium ore to produce chromate by calcination of the mixture of chromite, , The particle sizes were less than 150 μm, 150–250 μm and 250–850 μm, respectively During the leaching procedure, supernatant was taken at every 24 hours , Harmonisation of Leaching/Extraction Tests

Extracting Chromium from Stainless Steel Slags by NaOH-Added ,

7 Feb 2017 , The conventional industrial process in chromium extraction from chromite involves adding Na2CO3 to chromite during the sample roasting , and particle size for NaOH-added pellet samples on the chromium extraction are , The contents of Cr2O3 in the original slag, the leaching residues obtained after.

Patent US3105756 - Method of lowering the iron content of chromite ,

In my improved process for raising the chromiumfirbn ratio, I can make it , more drastic leaching procedures are necessary to extract all the available iron and , A sample of chromite ore of unknown origin was crushed to minus mesh size,.

Mineral Resources - Tulane University

20 Mar 2012 , It is least costly to extract the iron from oxide minerals like hematite (Fe2O3), , Such heavy minerals as chromite, olivine, and ilmenite contain high , Heavy minerals like gold, diamond, and magnetite of the same size as a low density , by the process of leaching, which removes ions from the original rock