DE267514C - - Google Patents
Info
- Publication number
- DE267514C DE267514C DENDAT267514D DE267514DA DE267514C DE 267514 C DE267514 C DE 267514C DE NDAT267514 D DENDAT267514 D DE NDAT267514D DE 267514D A DE267514D A DE 267514DA DE 267514 C DE267514 C DE 267514C
- Authority
- DE
- Germany
- Prior art keywords
- cyanamide
- calcium
- solution
- carbonic acid
- solutions
- 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
- MVXMNHYVCLMLDD-UHFFFAOYSA-N 4-methoxynaphthalene-1-carbaldehyde Chemical compound C1=CC=C2C(OC)=CC=C(C=O)C2=C1 MVXMNHYVCLMLDD-UHFFFAOYSA-N 0.000 claims description 19
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 8
- 239000000920 calcium hydroxide Substances 0.000 claims description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 8
- WTIPAEZBQUGMBT-UHFFFAOYSA-N carbonic acid;cyanamide Chemical compound NC#N.OC(O)=O WTIPAEZBQUGMBT-UHFFFAOYSA-N 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 3
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 15
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- 239000004571 lime Substances 0.000 description 6
- 238000007792 addition Methods 0.000 description 4
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- UFONUKZQWFSQLP-UHFFFAOYSA-N [N].NC#N Chemical compound [N].NC#N UFONUKZQWFSQLP-UHFFFAOYSA-N 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001648288 Kineosporiaceae Species 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- VQAGOFZQERQAEO-UHFFFAOYSA-N carbonic acid cyanide Chemical compound [C-]#N.OC(O)=O VQAGOFZQERQAEO-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- ZIPLUEXSCPLCEI-UHFFFAOYSA-N cyanamide group Chemical group C(#N)[NH-] ZIPLUEXSCPLCEI-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/16—Cyanamide; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE267514C true DE267514C (enrdf_load_stackoverflow) |
Family
ID=524563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT267514D Active DE267514C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE267514C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT267514D patent/DE267514C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3534357A1 (de) | Zyklisches verfahren zur herstellung einer alkalischen loesung von cellulosecarbamat, zur faellung des carbamats und zur rueckgewinnung der chemikalien | |
| DE2332973A1 (de) | Verfahren zur gewinnung von lactamen aus sauren reaktionsgemischen | |
| DE267514C (enrdf_load_stackoverflow) | ||
| DE856690C (de) | Verfahren zur Wiedergewinnung von wasserfreiem Natriumsulfat aus einem verbrauchten Viscosefaellbad | |
| DE1445470A1 (de) | Verfahren zur Herstellung von heterocyclischen organischen Verbindungen | |
| DE2735465A1 (de) | Verfahren zur herstellung von mit wismut modifiziertem, sphaeroidischem malachit | |
| DE706617C (de) | Verfahren zur Herstellung von Pentaerythrit | |
| DE953977C (de) | Verfahren zur Gewinnung von reinen Nitraten aus salpetersauren Loesungen von Calciumphosphaten | |
| AT164523B (de) | Verfahren zur gleichzeitigen Gewinnung von rohem Hexachlorcyclohexan und dem technisch reinen γ-Isomer dieser Verbindung | |
| DE726545C (de) | Verfahren zur Gewinnung von Kali aus sehr verduennten Loesungen, z. B. Meerwasser | |
| DE354528C (de) | Verfahren zur Herstellung von Borax und Borsaeure | |
| DE599986C (de) | Verfahren zur Reinigung von Beizereiablaugen | |
| DE689191C (de) | Verfahren zur Herstellung von Aminoguanidinbicarbonat | |
| AT88718B (de) | Verfahren zur Herstellung von Cynnatrium. | |
| DE1593874A1 (de) | Verfahren zur Trennung von optischen Isomeren aus dem razemischen Ammoniumpantoat | |
| DE68719C (de) | Verfahren zur Darstellung von p-Aethoxyphenylhydrazin und p-Aethoxyhydracetin | |
| DE836347C (de) | Verfahren zur Gewinnung von kristallisiertem Harnstoff | |
| DE646411C (de) | Verfahren zur Herstellung eines haltbaren gekoernten Kalkstickstoffs | |
| DE635397C (de) | Verfahren zur Gewinnung von AEthylendiamin aus seinen Salzen | |
| DE2045853A1 (de) | Verfahren zur Gewinnung von Ammomumsulfat aus wäßrigen Losungen von Ammomumsulfat, die organische Bestandteile enthalten | |
| CH564528A5 (en) | Purification of caprolactam freed from water - by counter-current multi-stage cystallisation from the melt using a solvent | |
| DE248885C (enrdf_load_stackoverflow) | ||
| DE958460C (de) | Verfahren zur Behandlung von Zuckersaeften, insbesondere zur Verbesserung der Filtrierfaehigkeit | |
| DE647858C (de) | Verfahren zur Gewinnung von Tonerde aus Aluminiumsalzen | |
| DE726508C (de) | Verfahren zur Gewinnung und Reindarstellung der Alkaloide von Stephania Cepharantha Hayata (Menispermaceaen-Art) |