phosphate rock


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phosphate rock

[′fä‚sfāt ′räk]
(materials)
A rock that is naturally high enough in phosphorus to be used directly in fertilizer manufacturing.
The beneficiated concentrate of a phosphate deposit.
References in periodicals archive ?
He ZL, Baligar VC, Martens DC, Ritchey KD, Kemper WD (1996a) Kinetics of phosphate rock dissolution in acid soil amended with liming materials and cellulose.
VARIABLE COSTS 265,223 4,420 347,123 4,339 Phosphate Rock 161,247 2,687 214,996 2,687 Sulphur 34,280 571 42,731 534 Duties & Sales Tax 1,688 28 1,688 21 With-holding Tax 360 6 360 5 Gypsum 53 1 53 1 Zinc Ore 3,505 58 3,505 44 Utilities 12,026 200 15,206 190 Bags 9,600 160 12,800 160 Direct Labour 11,744 196 14,824 185 Marketing Incidentals 30,720 512 40,960 512 Store & Spare 3,583 60 4,583 57 C.
The role of pH in the dissolution of phosphate rock fertilisers.
However, China's extensive phosphate rock resources are predominantly used domestically, with exports only of higher-value processed products.
Overall, phosphate rock sales were more than 20% up on 1989 levels and this was reflected in an increased production level.
High grade 30% P2O5 phosphate rock concentrate achievable at 150 micron grind;
The agreed terms will include the JV importing phosphate rock provided by OCP and producing single super phosphate (SSP) for blending by Yara into fertilisers and other phosphate products.
At full capacity, the proposed beneficiation plant is expected to generate 330,000 mt/y of phosphate rock concentrate at 28% [P.
Norwegian mineral fertilisers producer Yara International ASA said on Wednesday (18 May) that it had decided to start a feasibility study to evaluate a development of the Anitapolis phosphate rock mine in southern Brazil.
Egypt produces a variety of minerals but mining is on a limited scale, with the notable exception of iron ore, phosphate rock and limestone.
Paradise's strategy will initially focus on the production of phosphate rock DSO from the Paradise North Project.