Zirconium resources and production
The world's zirconium reserves mainly occur in the coastal sand deposits, and only a small part of them are found in residual sand ore and primary ore, and the industrial value is not large. Zirconium resources is the main mineral zircon and baddeleyite, they are mostly iron ore to titanium, monazite, rutile, xenotime, and the like cassiterite intergrowth sand deposits were integrated output. Australia's zirconium resources and production ranked first, followed by the United States, South Africa and other countries, the external zirconium resources are shown in Table 1, the output is shown in Table 2.
Table 1 Zircon resources in the world, namely kt zirconium
Country names | Reserve | Other resources | total |
United States | 3628 | 2721 | 6349 |
Canada | - | 907 | 907 |
Brazil | 907 | 227 | 1134 |
Soviet Union | 2721 | 1814 | 4535 |
Malagas | 91 | 91 | 182 |
South Africa | 5442 | 2721 | 8163 |
Sierra Leone | 454 | 1361 | 1815 |
India | 3028 | 1814 | 5442 |
Malaysia and Thailand | 91 | 91 | 182 |
Sri Lanka | 907 | 454 | 1361 |
Australia | 7256 | 2721 | 9977 |
total | 25125 | 14922 | 40047 |
Table 2 The world's major zircon production is made in China, t
Country | 179 | 1980 | 1981 | 1982 |
Australia | 447000 | 459000 | 420000 | 420000 |
South Africa | 88000 | 103000 | 110000 | 130000 |
United States | 80000 | 80000 | 90000 | 90000 |
other | 8000 | 8000 | 10000 | 10000 |
total | 621000 | 650000 | 630000 | 650000 |
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Dredging depth: 50m in water, 10m above water
Grab dredger arm length: 30m
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Deck Crane
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