ES2145696B1 - PROCEDURE FOR OBTAINING BREAS FROM ALQUITRAN DE HULLA. - Google Patents
PROCEDURE FOR OBTAINING BREAS FROM ALQUITRAN DE HULLA.Info
- Publication number
- ES2145696B1 ES2145696B1 ES9800414A ES9800414A ES2145696B1 ES 2145696 B1 ES2145696 B1 ES 2145696B1 ES 9800414 A ES9800414 A ES 9800414A ES 9800414 A ES9800414 A ES 9800414A ES 2145696 B1 ES2145696 B1 ES 2145696B1
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- obtaining
- breasts
- tar
- alquitran
- 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 - Fee Related
Links
Abstract
Procedimiento para la obtención de breas a partir de alquitrán de hulla.Se propone un nuevo proceso para obtener breas con diversas especificaciones a partir del alquitrán de hulla, que presenta como principal avance un aumento considerable del rendimiento en brea. Para ello se somete el alquitrán a un tratamiento con aire a temperaturas entre 250 y 350º C y con 0,2 a 2 MPa de presión. Con ello se consiguen breas de diferentes propiedades según los parámetros de operación utilizados, ysiempre con un rendimiento superior al 80 por ciento respecto al alquitrán de partida.Procedure for obtaining breasts from coal tar. A new process is proposed to obtain breasts with different specifications from coal tar, which has as its main advance a considerable increase in pitch performance. For this, the tar is subjected to an air treatment at temperatures between 250 and 350 ° C and with 0.2 to 2 MPa pressure. With this, breasts of different properties are achieved according to the operating parameters used, and always with a yield greater than 80 percent with respect to the starting tar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9800414A ES2145696B1 (en) | 1998-02-26 | 1998-02-26 | PROCEDURE FOR OBTAINING BREAS FROM ALQUITRAN DE HULLA. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9800414A ES2145696B1 (en) | 1998-02-26 | 1998-02-26 | PROCEDURE FOR OBTAINING BREAS FROM ALQUITRAN DE HULLA. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2145696A1 ES2145696A1 (en) | 2000-07-01 |
ES2145696B1 true ES2145696B1 (en) | 2001-03-16 |
Family
ID=8302927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9800414A Expired - Fee Related ES2145696B1 (en) | 1998-02-26 | 1998-02-26 | PROCEDURE FOR OBTAINING BREAS FROM ALQUITRAN DE HULLA. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2145696B1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2348832A (en) * | 1938-04-19 | 1944-05-16 | Mauch Karl | Process for treating bituminous substances |
NL183771C (en) * | 1976-06-23 | 1989-01-16 | Cindu Chemie Bv | PROCESS FOR THE PREPARATION OF A BINDER MEAT, AND FORMED ARTICLES, OBTAINED USING AN BINDER MEAT PREPARED BY THE METHOD. |
US4664774A (en) * | 1984-07-06 | 1987-05-12 | Allied Corporation | Low solids content, coal tar based impregnating pitch |
US4892642A (en) * | 1987-11-27 | 1990-01-09 | Conoco Inc. | Process for the production of mesophase |
-
1998
- 1998-02-26 ES ES9800414A patent/ES2145696B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2145696A1 (en) | 2000-07-01 |
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Legal Events
Date | Code | Title | Description |
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EC2A | Search report published |
Date of ref document: 20000701 Kind code of ref document: A1 Effective date: 20000701 |
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Effective date: 20180807 |