GB970930A - Process of absorbing formaldehyde from formaldehydecontaining gas - Google Patents
Process of absorbing formaldehyde from formaldehydecontaining gasInfo
- Publication number
- GB970930A GB970930A GB3678363A GB3678363A GB970930A GB 970930 A GB970930 A GB 970930A GB 3678363 A GB3678363 A GB 3678363A GB 3678363 A GB3678363 A GB 3678363A GB 970930 A GB970930 A GB 970930A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stage
- formaldehyde
- solution
- phenol
- washing
- 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.)
- Expired
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 18
- 238000000034 method Methods 0.000 title abstract 2
- 239000000243 solution Substances 0.000 abstract 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 5
- 238000005406 washing Methods 0.000 abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229930003836 cresol Natural products 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000003739 xylenols Chemical class 0.000 abstract 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (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 |
|---|---|
| GB970930A true GB970930A (en) | 1964-09-23 |
Family
ID=19754138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3678363A Expired GB970930A (en) | 1962-09-25 | 1963-09-18 | Process of absorbing formaldehyde from formaldehydecontaining gas |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE637661A (cs) |
| CH (1) | CH453324A (cs) |
| DE (1) | DE1192636B (cs) |
| ES (1) | ES291843A1 (cs) |
| GB (1) | GB970930A (cs) |
| NL (2) | NL283625A (cs) |
| SE (1) | SE312328B (cs) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1214996A (fr) * | 1957-10-30 | 1960-04-13 | Montedison Spa | Perfectionnements relatifs aux solutions concentrées urée-formaldéhyde |
-
0
- NL NL281069D patent/NL281069A/xx unknown
- BE BE637661D patent/BE637661A/xx unknown
- NL NL283625D patent/NL283625A/xx unknown
-
1963
- 1963-09-16 CH CH1140563A patent/CH453324A/de unknown
- 1963-09-18 GB GB3678363A patent/GB970930A/en not_active Expired
- 1963-09-18 DE DEST21090A patent/DE1192636B/de active Pending
- 1963-09-20 ES ES291843A patent/ES291843A1/es not_active Expired
- 1963-09-23 SE SE1038563A patent/SE312328B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE637661A (cs) | |
| NL281069A (cs) | |
| NL283625A (cs) | |
| DE1192636B (de) | 1965-05-13 |
| ES291843A1 (es) | 1963-11-01 |
| SE312328B (cs) | 1969-07-14 |
| CH453324A (de) | 1968-06-14 |
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