DE207886C - - Google Patents
Info
- Publication number
- DE207886C DE207886C DENDAT207886D DE207886DA DE207886C DE 207886 C DE207886 C DE 207886C DE NDAT207886 D DENDAT207886 D DE NDAT207886D DE 207886D A DE207886D A DE 207886DA DE 207886 C DE207886 C DE 207886C
- Authority
- DE
- Germany
- Prior art keywords
- cyanide
- pure
- vacuum
- crystals
- sodium hydroxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- LELOWRISYMNNSU-UHFFFAOYSA-N Hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 19
- 239000011734 sodium Substances 0.000 claims description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
- 235000015450 Tilia cordata Nutrition 0.000 claims description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 8
- 239000004571 lime Substances 0.000 claims description 8
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M NaHCO3 Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 7
- XFXPMWWXUTWYJX-UHFFFAOYSA-N cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 229960003563 Calcium Carbonate Drugs 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- MNWBNISUBARLIT-UHFFFAOYSA-N Sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 5
- 238000001035 drying Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- 239000004927 clay Substances 0.000 claims 1
- 229910052570 clay Inorganic materials 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 150000002825 nitriles Chemical class 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L Barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L cacl2 Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000005712 crystallization Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000001376 precipitating Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/08—Simple or complex cyanides of metals
- C01C3/10—Simple alkali metal cyanides
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE207886C true DE207886C (zh) |
Family
ID=469957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT207886D Active DE207886C (zh) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE207886C (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8894961B2 (en) | 2009-05-22 | 2014-11-25 | E I Du Pont De Nemours And Company | Sodium cyanide process |
-
0
- DE DENDAT207886D patent/DE207886C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8894961B2 (en) | 2009-05-22 | 2014-11-25 | E I Du Pont De Nemours And Company | Sodium cyanide process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2450259B2 (de) | Verfahren zur Reinigung von Elektrolysesole | |
| DE2257521C3 (de) | Kontinuierliches Verfahren zum Gewinnen sehr reiner Tonerde sowie der Begleitstoffe Eisen und Kalium in technisch verwertbarer Form aus aluminiumhaltigen Erzen | |
| EP0182931B1 (de) | Verfahren zum Herstellen von hochreinem Magnesiumoxid | |
| DE2625248C2 (de) | Verfahren zum Aufarbeiten von Soleschlamm | |
| DE2928537A1 (de) | Verfahren zum herstellen von hochreinem magnesiumoxid | |
| DE207886C (zh) | ||
| DE3425582A1 (de) | Verfahren zur verbesserung der ausbeute an soda bei dem solvay-prozess | |
| DE2914662C2 (de) | Verfahren zum Herstellen von Magnesiumoxid aus einer wässerigen Magnesiumsulfatlösung | |
| US357824A (en) | Josef hawliczek | |
| DE3815685C2 (de) | Verfahren zur kontinuierlichen Umsetzung von Natriumsulfat in Natriumhydrogencarbonat und Gips mittels Rauchgas und Kalk | |
| DE2701710A1 (de) | Verfahren zur herstellung von reiner tonerde aus titanhaltigen und kaliumfreien aluminiumsilicatischen stoffen | |
| DE3722995C2 (zh) | ||
| DE140605C (de) | Verfahren zur Reinigung von Sole | |
| DE2917622A1 (de) | Verfahren zum herstellen von magnesium aus einer magnesiumsulfat enthaltenden salzloesung | |
| DE1592199C3 (de) | Verfahren zur Herstellung von Magnesiumoxyd bzw. Magnesiumhydroxyd aus Dolomit | |
| DE410924C (de) | Verfahren zur Herstellung von Alkalisalpeter | |
| DE1567923A1 (de) | Verfahren zur Herstellung von Natriumcarbonat | |
| DE688564C (de) | Verfahren zur Gewinnung von Mangan aus manganhaltigen Stoffen | |
| DE291417C (zh) | ||
| DE118073C (zh) | ||
| DE41985C (de) | Neuerung bei dem Verfahren zur Darstellung von Natriumbicarbonat und Natriumcarbonat aus der Rohsoda oder deren Laugen von dem LEBLANC - Sodaprozefs oder aus rohem Schwefelnatrium oder aus dem rohen Natriumbicarbonat des Ammoniaksodaprozesses | |
| DE589330C (de) | Herstellung von Aluminiumsulfat | |
| DE345258C (zh) | ||
| DE649674C (de) | Herstellung von Nitriten | |
| DE665236C (de) | Verarbeitung von Aluminiumerzen |