GB1239669A - - Google Patents
Info
- Publication number
- GB1239669A GB1239669A GB1239669DA GB1239669A GB 1239669 A GB1239669 A GB 1239669A GB 1239669D A GB1239669D A GB 1239669DA GB 1239669 A GB1239669 A GB 1239669A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bodies
- coal
- activated
- weight
- coke
- 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
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/354—After-treatment
- C01B32/384—Granulation
Abstract
1,239,669. Activated coke. BERGWERKSVERBAND G.m.b.H. 2 May, 1969 [21 June, 1968], No. 22622/69. Heading B1L. [Also in Division Cl] Sulphur dioxide is removed from waste gases by passing them over an activated coke prepared by mixing a pulverulent non coking carbonaceous material, e.g. wood, coal, peat, coke, soft coal or oxidised coal, none of the particles of which exceed 0.1 mm in diameter, with 15-35% by weight of a carbonaceous binder, e.g. bitumen, tar or pitch, forming the mixture into shaped bodies, e.g. by pelleting or briquetting in a roller or extrusion press, carbonising the bodies at 500‹ to 900‹C, and activating the carbonised bodies with steam at a temperature of from 800 to 1000‹C until a loss in weight of the bodies of 10 to 30% is achieved. The non-coking carbonaceous material may be de-ashed and preferably the waste gases are passed over the activated bodies at 100‹ to 200‹ C. The passage of waste gas is stopped when degree of desulpherisation achieved by the bodies drops to a predetermined value e.g. 70%. The bodies are reactivated by scrubbing with water at 20‹ to 90‹C and drying.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681769640 DE1769640B1 (en) | 1968-06-21 | 1968-06-21 | Use of a molded coke made from powdery, non-baking, fossil or recent fuels as an adsorbent for sulfur oxides from exhaust gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1239669A true GB1239669A (en) | 1971-07-21 |
Family
ID=5700218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1239669D Expired GB1239669A (en) | 1968-06-21 | 1969-05-02 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE733910A (en) |
| DE (1) | DE1769640B1 (en) |
| FR (1) | FR2011375A6 (en) |
| GB (1) | GB1239669A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528717A (en) * | 2015-02-01 | 2015-04-22 | 庄林生 | Preparation method of briquetted active carbon |
| CN109164005A (en) * | 2018-10-16 | 2019-01-08 | 哈尔滨工业大学 | The determination method of condensed water ratio in asphalt mortar, bituminous mortar |
-
1968
- 1968-06-21 DE DE19681769640 patent/DE1769640B1/en active Pending
-
1969
- 1969-05-02 GB GB1239669D patent/GB1239669A/en not_active Expired
- 1969-05-30 BE BE733910D patent/BE733910A/xx unknown
- 1969-06-18 FR FR6920279A patent/FR2011375A6/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528717A (en) * | 2015-02-01 | 2015-04-22 | 庄林生 | Preparation method of briquetted active carbon |
| CN109164005A (en) * | 2018-10-16 | 2019-01-08 | 哈尔滨工业大学 | The determination method of condensed water ratio in asphalt mortar, bituminous mortar |
Also Published As
| Publication number | Publication date |
|---|---|
| BE733910A (en) | 1969-11-03 |
| DE1769640B1 (en) | 1971-01-28 |
| FR2011375A6 (en) | 1970-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |