GB955580A - Process for cooling hydrocarbon mixtures - Google Patents
Process for cooling hydrocarbon mixturesInfo
- Publication number
- GB955580A GB955580A GB911962A GB911962A GB955580A GB 955580 A GB955580 A GB 955580A GB 911962 A GB911962 A GB 911962A GB 911962 A GB911962 A GB 911962A GB 955580 A GB955580 A GB 955580A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ammonia
- water
- cooling
- liquid
- acetylene
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/11—Purification; Separation; Use of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/10—Conditioning the gas to be cleaned
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
<PICT:0955580/C3/1> The formation of ice and/or solid hydrocarbon hydrates during the cooling of fluid mixtures containing liquid hydrocarbons and water to below the freezing point of water is prevented by adding sufficient ammonia to the system to obtain an ammonia-water solution which is liquid at the temperature and an ammonia-hydrocarbon solution in equilibrium with the ammonia-water solution. The process is of particular value when cooling and compressing normally gaseous hydrocarbons prior to distillation and in the pretreatment of pyrolysis gases containing acetylene with cold naphtha to cool and dry the gas and to remove C3 and higher unsaturated hydrocarbons prior to recovery of the acetylene by absorption, e.g. in liquid ammonia. The amount of ammonia required to prevent freezing is shown by the ammonia-water phase diagram of Fig. 2 in which the area K represents conditions in which no solid is present.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96456A US3192731A (en) | 1961-03-17 | 1961-03-17 | Ammonia additive in low temperature hydrocarbon-water systems |
| US96602A US3201920A (en) | 1961-03-17 | 1961-03-17 | Acetylene purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB955580A true GB955580A (en) | 1964-04-15 |
Family
ID=26791730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB911962A Expired GB955580A (en) | 1961-03-17 | 1962-03-09 | Process for cooling hydrocarbon mixtures |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB955580A (en) |
-
1962
- 1962-03-09 GB GB911962A patent/GB955580A/en not_active Expired
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