|
C01D 1/00
|
Oxides or hydroxides of sodium, potassium, or alkali metals in general |
|
C01D 1/02
|
Oxides |
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C01D 1/04
|
Hydroxides |
|
C01D 1/20
|
Preparation by reacting oxides or hydroxides with alkali metal salts |
|
C01D 1/22
|
Preparation by reacting oxides or hydroxides with alkali metal salts with carbonates or bicarbonates |
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C01D 1/24
|
Preparation by reacting oxides or hydroxides with alkali metal salts from or via fluorides or silico-fluorides |
|
C01D 1/26
|
Preparation from or via cyano compounds, e.g. cyanides, cyanamides |
|
C01D 1/28
|
Purification; Separation |
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C01D 1/30
|
Purification; Separation by crystallisation |
|
C01D 1/32
|
Purification; Separation by adsorption or precipitation |
|
C01D 1/34
|
Purification; Separation with selective solvents |
|
C01D 1/36
|
Purification; Separation by oxidation |
|
C01D 1/38
|
Purification; Separation by dialysis |
|
C01D 1/40
|
Purification; Separation by electrolysis |
|
C01D 1/42
|
Concentration; Dehydration |
|
C01D 1/44
|
Preparation in the form of granules, pieces, or other shaped products |
|
C01D 3/00
|
Halides of sodium, potassium, or alkali metals in general |
|
C01D 3/02
|
Fluorides |
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C01D 3/04
|
Chlorides |
|
C01D 3/06
|
Preparation by working up brines, seawater or spent lyes |
|
C01D 3/08
|
Preparation by working up natural or industrial salt mixtures or siliceous minerals |
|
C01D 3/10
|
Bromides |
|
C01D 3/12
|
Iodides |
|
C01D 3/14
|
Purification |
|
C01D 3/16
|
Purification by precipitation or adsorption |
|
C01D 3/18
|
Purification with selective solvents |
|
C01D 3/20
|
Purification by melting |
|
C01D 3/22
|
Preparation in the form of granules, pieces, or other shaped products |
|
C01D 3/24
|
Influencing the crystallisation process |
|
C01D 3/26
|
Preventing the absorption of moisture or caking of the crystals |
|
C01D 5/00
|
Sulfates or sulfites of sodium, potassium, or alkali metals in general |
|
C01D 5/02
|
Preparation of sulfates from alkali metal salts and sulfuric acid or bisulfates; Preparation of bisulfates |
|
C01D 5/04
|
Preparation of sulfates with the aid of sulfurous acid or sulfites, e.g. Hargreaves process |
|
C01D 5/06
|
Preparation of sulfates by double decomposition |
|
C01D 5/08
|
Preparation of sulfates by double decomposition with each other or with ammonium sulfate |
|
C01D 5/10
|
Preparation of sulfates by double decomposition with sulfates of magnesium, calcium, strontium, or barium |
|
C01D 5/12
|
Preparation of double sulfates of magnesium with sodium or potassium |
|
C01D 5/14
|
Preparation of sulfites |
|
C01D 5/16
|
Purification |
|
C01D 5/18
|
Dehydration |
|
C01D 7/00
|
Carbonates of sodium, potassium, or alkali metals in general |
|
C01D 7/02
|
Preparation by double decomposition |
|
C01D 7/04
|
Preparation by double decomposition with a fluoride or silico-fluoride |
|
C01D 7/06
|
Preparation via sodium or potassium magnesium carbonate |
|
C01D 7/07
|
Preparation from the hydroxides |
|
C01D 7/08
|
Preparation from or via cyano compounds of sodium or potassium |
|
C01D 7/10
|
Preparation of bicarbonates from carbonates |
|
C01D 7/12
|
Preparation of carbonates from bicarbonates |
|
C01D 7/14
|
Preparation of sesquicarbonates |
|
C01D 7/16
|
Preparation from compounds of sodium or potassium with amines and carbon dioxide |
|
C01D 7/18
|
Preparation by the ammonia-soda process |
|
C01D 7/22
|
Purification |
|
C01D 7/24
|
Crystallisation |
|
C01D 7/26
|
Purification by precipitation or adsorption |
|
C01D 7/28
|
Purification with selective solvents |
|
C01D 7/30
|
Purification by oxidation |
|
C01D 7/32
|
Purification by dialysis |
|
C01D 7/34
|
Purification by electrolysis |
|
C01D 7/35
|
Varying the content of water of crystallisation or the specific gravity |
|
C01D 7/37
|
Densifying sodium carbonate |
|
C01D 7/38
|
Preparation in the form of granules, pieces, or other shaped products |
|
C01D 7/40
|
Influencing the crystallisation process |
|
C01D 7/42
|
Preventing the absorption of moisture or caking |
|
C01D 9/00
|
Nitrates of sodium, potassium, or alkali metals in general |
|
C01D 9/02
|
Preparation by working-up natural salt mixtures |
|
C01D 9/04
|
Preparation with liquid nitric acid |
|
C01D 9/06
|
Preparation with gaseous nitric acid or nitrogen oxides |
|
C01D 9/08
|
Preparation by double decomposition |
|
C01D 9/10
|
Preparation by double decomposition with ammonium nitrate |
|
C01D 9/12
|
Preparation by double decomposition with nitrates of magnesium, calcium, strontium, or barium |
|
C01D 9/14
|
Preparation by double decomposition of salts of potassium with sodium nitrate |
|
C01D 9/16
|
Purification |
|
C01D 9/18
|
Preparation in the form of shaped products, e.g. granules |
|
C01D 9/20
|
Preventing the absorption of moisture or caking |
|
C01D 13/00
|
Compounds of sodium or potassium not provided for elsewhere |
|
C01D 15/00
|
Lithium compounds |
|
C01D 15/02
|
Oxides; Hydroxides |
|
C01D 15/04
|
Halides |
|
C01D 15/06
|
Sulfates; Sulfites |
|
C01D 15/08
|
Carbonates; Bicarbonates |
|
C01D 15/10
|
Nitrates |
|
C01D 17/00
|
Rubidium, caesium, or francium compounds |
