CH453324A - Process for producing a concentrated solution containing formaldehyde and phenol by absorbing formaldehyde from a gas containing formaldehyde and water vapor - Google Patents
Process for producing a concentrated solution containing formaldehyde and phenol by absorbing formaldehyde from a gas containing formaldehyde and water vaporInfo
- Publication number
- CH453324A CH453324A CH1140563A CH1140563A CH453324A CH 453324 A CH453324 A CH 453324A CH 1140563 A CH1140563 A CH 1140563A CH 1140563 A CH1140563 A CH 1140563A CH 453324 A CH453324 A CH 453324A
- Authority
- CH
- Switzerland
- Prior art keywords
- formaldehyde
- containing formaldehyde
- phenol
- producing
- water vapor
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 9
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gas Separation By Absorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL283625 | 1962-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH453324A true CH453324A (en) | 1968-06-14 |
Family
ID=19754138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1140563A CH453324A (en) | 1962-09-25 | 1963-09-16 | Process for producing a concentrated solution containing formaldehyde and phenol by absorbing formaldehyde from a gas containing formaldehyde and water vapor |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE637661A (en) |
| CH (1) | CH453324A (en) |
| DE (1) | DE1192636B (en) |
| ES (1) | ES291843A1 (en) |
| GB (1) | GB970930A (en) |
| NL (2) | NL281069A (en) |
| SE (1) | SE312328B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1214996A (en) * | 1957-10-30 | 1960-04-13 | Montedison Spa | Improvements relating to concentrated urea-formaldehyde solutions |
-
0
- NL NL283625D patent/NL283625A/xx unknown
- BE BE637661D patent/BE637661A/xx unknown
- NL NL281069D patent/NL281069A/xx unknown
-
1963
- 1963-09-16 CH CH1140563A patent/CH453324A/en unknown
- 1963-09-18 GB GB3678363A patent/GB970930A/en not_active Expired
- 1963-09-18 DE DEST21090A patent/DE1192636B/en active Pending
- 1963-09-20 ES ES291843A patent/ES291843A1/en not_active Expired
- 1963-09-23 SE SE1038563A patent/SE312328B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL283625A (en) | |
| DE1192636B (en) | 1965-05-13 |
| ES291843A1 (en) | 1963-11-01 |
| SE312328B (en) | 1969-07-14 |
| GB970930A (en) | 1964-09-23 |
| NL281069A (en) | |
| BE637661A (en) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH476657A (en) | Process for the preparation of hydroxy ethers by reacting epoxy compounds with phenols in the presence of a catalyst | |
| CH475633A (en) | Process for processing nuclear reactor fuel | |
| CH507887A (en) | Process for removing water vapor from fission gases | |
| CH538429A (en) | Process for obtaining an aqueous uranyl nitrate solution by processing irradiated nuclear fuel | |
| AT241496B (en) | Process for the production of granular ammonium sulphate nitrate | |
| CH475296A (en) | Process for hardening epoxy resins | |
| AT251292B (en) | Process for curing epoxy resins | |
| AT256136B (en) | Process for the preparation of a concentrated ammonium nitrate solution | |
| CH453324A (en) | Process for producing a concentrated solution containing formaldehyde and phenol by absorbing formaldehyde from a gas containing formaldehyde and water vapor | |
| CH384985A (en) | Process for the production of brazed connections between components, in particular between components of a nuclear reactor | |
| CH471041A (en) | Process for the reprocessing of nuclear reactor fuels | |
| AT261771B (en) | Process for the production of a vanadate luminous substance activated by europium | |
| AT254796B (en) | Process for the regeneration of cation-exchange resins | |
| CH432502A (en) | Process for the preparation of cycloalkenes by selective hydrogenation | |
| CH399428A (en) | Process for purifying a silicon-halogen compound | |
| CH453708A (en) | Process for reducing the hydroxyl group content of epoxy resins | |
| CH451509A (en) | Process for the preparation of thixotropic solutions of oil-modified alkyd resins | |
| CH441261A (en) | Process for absorbing formaldehyde from gas containing formaldehyde | |
| CH446287A (en) | Process for absorbing formaldehyde from gas containing formaldehyde to form a concentrated solution containing formaldehyde and melamine | |
| AT241363B (en) | Process for the production of structures in a water-containing excavation | |
| CH477913A (en) | Process for reactivating a catalyst | |
| CH461801A (en) | Process for the production of shaped structures from hardened epoxy resins with improved heat resistance | |
| CH434585A (en) | Process for making metal rods | |
| CH475790A (en) | Process for producing a catalyst and catalyst produced by this process | |
| CH488250A (en) | Process for the processing of aqueous solutions from irradiated nuclear reactor fuels |