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US4654204A
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Production of sodium bicarbonate by reversion of soda-type feed salt
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US4652054A
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Solution mining of trona or nahcolite ore with electrodialytically-produced aqueous sodium hydroxide
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US4588569A
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Dry injection flue gas desulfurization process using absorptive soda ash sorbent
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US4781899A
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Purification of crystallized solids made via continuous crystallization
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US4555391A
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Dry injection flue gas desulfurization process
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US4498706A
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Solution mining of trona or nahcolite ore with aqueous NaOH and HCl solvents
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US4519806A
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Enhanced recovery of soda ash from aqueous sodium carbonate solutions containing Na2 SO4 - and NaCl
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US4557910A
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Production of soda ash from nahcolite
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US4401635A
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Recovery of alkali values from salt-containing trona deposits
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US4375454A
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Electrostatic enrichment of trona and nahcolite ores
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US4285915A
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Recovery of alkali values from trona ore
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US4283372A
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Recovery of alkali values from sodium bicarbonate-containing ore with ammonia
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US4219133A
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Storage level monitor
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US4021527A
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Production of sodium carbonate
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US4019872A
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Producing sodium carbonate monohydrate from carbonate solution including addition of aluminum ions
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US3981686A
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Clarifier process for producing sodium carbonate
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US3933977A
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Process for producing sodium carbonate
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US3891393A
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Apparatus for slurrying soda ash
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US3869538A
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Process for producing sodium carbonate from trona
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US3780160A
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Carbonation process for the manufacture of sodium bicarbonate
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