- Potash (or carbonate
of potash) is an impure form of potassium carbonate (K2CO3)
mixed with other potassium salts.
- Muriate of Potash
potassium chloride (KCl), a refined red or greyish red, cubic,
crystalline compound that closely resembles common salt (sodium
- Potash ore can be considered a soft rock.
- Potash is an
essential plant nutrient.
- Potash production
provided late-18th and early-19th century settlers in North America a
way to obtain badly needed cash and credit as they cleared their wooded
land for crops.
- Flotation and
crystallisation are two processes used for the purification of KCl from
- Potash is extracted from buried ancient
evaporites by underground or solution mining.
- Potash is mined using two-and four-rotor
continuous boring machines.
Application & Technology
More than 50 % of
India's import of Potash is from Jordan and Israel, where it is
recovered from Dead Sea brine.
The major share of the potash
produced in Saskatchewan goes for export. The US is the major consumer
with 52% of the total, another 43% goes to overseas markets and only a
mere 5% is used in Canada.
Potash prices are usually
negotiated between suppliers and consumers based on delivery contracts.
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