How phosphate is mined and processed Learning outcomes: By completing the reading, you should be able to meet outcomes #1 and #4 below. By also completing the in-class activity, you should be able to do all of the following: 1. Describe the mining and beneficiation techniques used to recover phosphate. 2. Identify the primary wastes created during the different stages of phosphate fertilizer
The largest and least expensive source of phosphorus is obtained by mining and concentrating phosphate rock from the numerous phosphate deposits of the world. Some phosphate rock is used to make calcium phosphate nutritional supplements for animals. Pure phosphorus is used to make chemicals for use in industry. The most important use of phosphate rock, though, is in the production of phosphate
Four Corners Lonesome Mine_DEP Staff Jessica Duke_Dragline Phosphate Mining HPB4.jpg Florida's Phosphate MinesThere are 27 phosphate mines in Florida, covering more than 450,000 acres. Nine phosphate mines are currently active. Nine mines are 100 percent reclaimed and released from reclamation obligations. The remaining mines are either not started or are shut down.
One of the methods used in underground mining is called room and pillar, and is often used for mining coal. Part of the mine is open to the surface and part of it is underground. The coal face is dug out, but pillars of coal are left behind to keep the tunnels open and support the roof. Machines called continuous miners are used to remove the coal. The coal is loaded onto conveyor belts and
The phosphate or orthophosphate ion [PO 4] 3− is derived from phosphoric acid by the removal of three protons H +Removal of one or two protons gives the dihydrogen phosphate ion [H 2 PO 4] − and the hydrogen phosphate ion [HPO 4] 2− ion, respectively. These names are also used for salts of those anions, such as ammonium dihydrogen phosphate and trisodium phosphate.
The sand is returned by pipeline to the mine area for use in land reclamation, while the phosphate concentrate is sent to dewatering tanks and then to the inventory pile. The phosphate minerals are then transported to a separate fertilizer manufacturing plant to make our finished products. Water management during the mining process is an extremely important part our operations. To learn more
30/04/2020· Most phosphate mining is conducted as open-pit mining rather than subsurface mining. In a typical mining operation, a layer of topsoil and other material is removed and placed into already-mined areas. Large dragline excavators then extract the phosphate rock from the ground. In cases where the phosphate rock is very close to the surface, the systematic removal of topsoil may not be
Public resistance to phosphorus mining is also on the rise, especially in the US. Many, such as author and journalist Fred Pearce who has written numerous books on the environment, say the ‘excessive use’ of phosphorus in fertiliser is wreaking havoc with the environment. In 2011 he wrote: "Phosphate strip mines are environment wreckers
The mining process in Florida begins with a field study to determine the location and density of the phosphate deposits. Information like the location, size, and shape of the ore is determined to focus the mining effort. Hundreds of boreholes are drilled and thousands of core samples studied and tested to gather information about the ore-body. These data are used to determine economic
Describe some of the extraction methods and identify different types of mining. In order to use the resources at our disposal, we need to be able to get to them. This section introduces the different techniques used to extract or remove these resources. What You’ll Learn to Do. Describe the processes involved in mining. Identify the effects of different types of mining: surface mining
Open-pit, open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining.Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface.
In 2013, phosphate rock was produced almost entirely from surface mines, with only one active underground mine in the world. Phosphate rock, when used in an untreated form, is not very soluble and provides little available phosphorus to plants, except in some moist acidic soils. Treating phosphate rock with sulfuric acid produces phosphoric