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 ?
Some 2 |m.sup.3~ of water is required for every 1 |m.sup.3~ of phosphate rock washed.
Long-term reactions of phosphate rocks with an Oxisol in Colombia.
Phosphate rock production at Ben Guerir, an open-pit mine to the east of the Youssoufia area, is transported in its raw state at 58% BPL to the Maroc Phosphore II plant at Safi where it is washed before being fed, still wet, to the acid plant.
The soil is another factor to consider in choosing a phosphate rock for direct application.
With the United States Geological Survey (USGS) estimating world phosphate rock production to have jumped by 20 million mt to 261 million mt last year, and increased competition in a relatively quiet market, the price decline is perhaps unsurprising.
Current P supply is mainly covered by inorganic fertilizers that are processed from nonrenewable phosphate rock, and European agriculture in particular very much depends on phosphate rock imports (Van Dijk et al.
When phosphate rock is treated with nitric acid, phosphoric acid and soluble calcium nitrate are formed according to the following equation:
The state must demonstrate a greater initiative in extracting phosphate rock and other earth deposits of the future.
has become a strategic part in the company's phosphate rock supply chain, assuring sustainable feedstock deliveries and moreover offering considerable operational cost savings for the Polish manufacturer.
Mali is rich in mineral resources such as gold, salt, marble, phosphate rock, and diamonds.
Phosphate rock prices have fallen to an average of $110 per tonne in September from $145 in 2013 and $185 in 2012.
Canada became an importer of phosphate rock in November 2013.