BE455469A - - Google Patents
Info
- Publication number
- BE455469A BE455469A BE455469DA BE455469A BE 455469 A BE455469 A BE 455469A BE 455469D A BE455469D A BE 455469DA BE 455469 A BE455469 A BE 455469A
- Authority
- BE
- Belgium
- Prior art keywords
- acid
- nitric acid
- emi
- mixture
- vapors
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 61
- 229910017604 nitric acid Inorganic materials 0.000 claims description 49
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 48
- 239000002253 acid Substances 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000009835 boiling Methods 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 150000007513 acids Chemical class 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 3
- 239000012445 acidic reagent Substances 0.000 claims 1
- 239000003995 emulsifying agent Substances 0.000 claims 1
- 238000003303 reheating Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
- C01B21/44—Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE904009X | 1943-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE455469A true BE455469A (d) |
Family
ID=6861674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE455469D BE455469A (d) | 1943-06-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE455469A (d) |
| FR (1) | FR904009A (d) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1325878C (en) * | 1988-02-22 | 1994-01-11 | Alfred Guenkel | Nitric acid concentration |
-
0
- BE BE455469D patent/BE455469A/fr unknown
-
1944
- 1944-05-05 FR FR904009D patent/FR904009A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR904009A (fr) | 1945-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE455469A (d) | ||
| FR2488523A1 (fr) | Procede d'elimination par lavage, notamment en plusieurs etages, des composants acides, tels que le co2, le hcn et en particulier le h2s, qui entrent dans la formation des gaz, notamment des gaz de cokerie, a l'aide d'un lavage ammoniacal en circuit ferme | |
| GB410394A (en) | Improvements in or relating to a process for making diketene | |
| GB935178A (en) | Maintaining free from scale the heating surfaces of evaporators | |
| JPH08119608A (ja) | 硫酸蒸留装置と硫酸蒸留方法 | |
| BE497034A (d) | ||
| CN208705293U (zh) | 一种凯氏定氮仪 | |
| BE559304A (d) | ||
| CH191844A (fr) | Procédé pour la fabrication de l'acide nitrique concentré. | |
| GB703476A (en) | Method of separating higher boiling components from steam distillates | |
| BE568273A (d) | ||
| SU12159A1 (ru) | Способ и устройство дл выделени смолы и аммиака из газов сухой перегонки | |
| US1922278A (en) | Process of concentrating nitric acid | |
| CH279907A (fr) | Procédé pour préparer de l'acide nitrique concentré. | |
| SU76021A1 (ru) | Способ переработки кислых вод | |
| BE420651A (d) | ||
| US1353448A (en) | Concentration of sulfuric acid | |
| FR2513617A1 (fr) | Procede de fabrication simultanee d'acide nitrique fortement concentre et d'acide nitrique dilue | |
| SU97895A1 (ru) | Способ получени конь чного спирта | |
| BE393744A (d) | ||
| SU71385A1 (ru) | Способ концентрировани экстракционной фосфорной кислоты | |
| BE471690A (d) | ||
| FR2534269A1 (fr) | Procede de degazage, de deshydratation et d'extraction de tete pour la distillation directe d'acides gras bruts | |
| CH257392A (fr) | Procédé de désulfitation des produits végétaux alimentaires. | |
| BE439625A (d) |