GB886338A - Process for separating carbon monoxide from gaseous mixtures - Google Patents
Process for separating carbon monoxide from gaseous mixturesInfo
- Publication number
- GB886338A GB886338A GB568660A GB568660A GB886338A GB 886338 A GB886338 A GB 886338A GB 568660 A GB568660 A GB 568660A GB 568660 A GB568660 A GB 568660A GB 886338 A GB886338 A GB 886338A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- atmos
- cuprous
- absorption
- copper
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
- C10K1/124—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing metal compounds other than alkali- or earth-alkali carbonates, hydroxides- or oxides- or salts of inorganic acids derived from sulfur
- C10K1/127—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing metal compounds other than alkali- or earth-alkali carbonates, hydroxides- or oxides- or salts of inorganic acids derived from sulfur containing Cu compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Carbon monoxide is removed from an olefinfree gas by absorption in an aqueous solution containing one or more amines and mono- and divalent copper, 5-20%, preferably 10-15%, of the copper being in the divalent form. The solution preferably contains 200 gm./1 of copper. The gas treated may contain hydrogen, nitrogen, carbon monoxide, and methane. The amine may be an alkanolamine, e.g. ethanolamine, propanolamine, or diethanolamine. The absorbent solution may be prepared by heating a mixture of cuprous oxide, ammonium nitrate, monoethanolamine and water, driving off the ammonia set free, and partially oxidizing the resulting cuprous solution. The cuprous solution may alternatively be prepared by interacting cuprous oxide an aqueous nitric acid in the presence of mono-ethanolamine, or by dissolving copper in an aqueous ammonium salt solution containing an alkanolamine in the presence of air or oxygen. Carbonate, chloride, acetate, or formate ions may be present instead of nitrate ions. The cuprous solution may be oxidized with air or oxygen at a temperature of 30 DEG -70 DEG C., and under a gauge pressure of 0-50 atmos. Absorption may be effected at a temperature of 0 DEG -30 DEG C., preferably 0 DEG -20 DEG C., and a gauge pressure of 1-50 atmos, preferably 10-30 atmos. Desorption may be effected at a temperature of 30 DEG -70 DEG C., preferably 40 DEG -60 DEG C., and under an absolute pressure of 0,1-2 atmos. The desorbed solution may be recycled to the absorption step. Partial reduction of the absorbent solution may be allowed to take place, the solution being reoxidized between the steps of desorption and recycling. Alternatively partial reduction may be prevented by carrying out the absorption in the presence of oxygen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB568660A GB886338A (en) | 1958-02-17 | 1958-02-17 | Process for separating carbon monoxide from gaseous mixtures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB568660A GB886338A (en) | 1958-02-17 | 1958-02-17 | Process for separating carbon monoxide from gaseous mixtures |
Publications (1)
Publication Number | Publication Date |
---|---|
GB886338A true GB886338A (en) | 1962-01-03 |
Family
ID=9800739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB568660A Expired GB886338A (en) | 1958-02-17 | 1958-02-17 | Process for separating carbon monoxide from gaseous mixtures |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB886338A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD20120034A2 (en) * | 2012-03-29 | 2013-09-30 | Государственный Университет Молд0 | Process for biohydrogen cleaning from impurity gases |
MD784Z (en) * | 2012-03-29 | 2015-01-31 | Государственный Университет Молд0 | Process for biohydrogen cleaning from impurity gases |
-
1958
- 1958-02-17 GB GB568660A patent/GB886338A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD20120034A2 (en) * | 2012-03-29 | 2013-09-30 | Государственный Университет Молд0 | Process for biohydrogen cleaning from impurity gases |
MD784Z (en) * | 2012-03-29 | 2015-01-31 | Государственный Университет Молд0 | Process for biohydrogen cleaning from impurity gases |
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