MD1985G2 - Process for activated coal obtaining from fruit stones and nutshell - Google Patents
Process for activated coal obtaining from fruit stones and nutshellInfo
- Publication number
- MD1985G2 MD1985G2 MDA20020060A MD20020060A MD1985G2 MD 1985 G2 MD1985 G2 MD 1985G2 MD A20020060 A MDA20020060 A MD A20020060A MD 20020060 A MD20020060 A MD 20020060A MD 1985 G2 MD1985 G2 MD 1985G2
- Authority
- MD
- Moldova
- Prior art keywords
- activated coal
- hours
- nutshell
- temperature
- coal obtaining
- Prior art date
Links
Landscapes
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to processes for activated coal obtaining from vegetable raw material containing carbon and may be used in technologies for purification of surface waters, for liquid purification in the food industry, as well as in medicine with the purpose of disintoxication.Summary of the process consists in grinding of the vegetable row material and separation of the stones, charcoal burning at a temperature of 400…600°C within 2…4 hours with the subsequent activation with water vapors during 2…4 hours. The obtained product is comminuted, sifted and divided into three fractions: smaller than 0,3 mm, from 0,3 to 0,5 mm and from 1,5 to 3,0 mm; the fraction of 0,3…1,5 mm is treated during boiling with a 5…6% solution of mineral acid within 25…35 min, it is washed with demineralized water, it is dried at a temperature of 105…110°C up to a constant mass and the finished product is packed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20020060A MD1985G2 (en) | 2002-01-28 | 2002-01-28 | Process for activated coal obtaining from fruit stones and nutshell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20020060A MD1985G2 (en) | 2002-01-28 | 2002-01-28 | Process for activated coal obtaining from fruit stones and nutshell |
Publications (2)
Publication Number | Publication Date |
---|---|
MD1985F1 MD1985F1 (en) | 2002-08-31 |
MD1985G2 true MD1985G2 (en) | 2003-02-28 |
Family
ID=19740043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MDA20020060A MD1985G2 (en) | 2002-01-28 | 2002-01-28 | Process for activated coal obtaining from fruit stones and nutshell |
Country Status (1)
Country | Link |
---|---|
MD (1) | MD1985G2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD2496G2 (en) * | 2003-08-05 | 2005-02-28 | Институт Химии Академии Наук Молдовы | Process for obtaining active coal from vegetal by-products with concomitant obtaining of phosphate solutions |
MD3602G2 (en) * | 2007-02-08 | 2008-12-31 | Институт Химии Академии Наук Молдовы | Process for obtaining active coal from nutshell and process for chemical modification thereof |
MD4008C1 (en) * | 2009-07-01 | 2010-09-30 | Институт Химии Академии Наук Молдовы | Process for sewage water purification from methylene blue |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD2304G2 (en) * | 2003-01-28 | 2004-05-31 | Институт Химии Академии Наук Молдовы | Process for activated coal obtaining from grapestones |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD773G2 (en) * | 1995-03-01 | 1998-05-31 | Institutul De Cercetari Pentru Prelucrarea Elastomerilor | Process for activated carbon preparation |
-
2002
- 2002-01-28 MD MDA20020060A patent/MD1985G2/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD773G2 (en) * | 1995-03-01 | 1998-05-31 | Institutul De Cercetari Pentru Prelucrarea Elastomerilor | Process for activated carbon preparation |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD2496G2 (en) * | 2003-08-05 | 2005-02-28 | Институт Химии Академии Наук Молдовы | Process for obtaining active coal from vegetal by-products with concomitant obtaining of phosphate solutions |
MD3602G2 (en) * | 2007-02-08 | 2008-12-31 | Институт Химии Академии Наук Молдовы | Process for obtaining active coal from nutshell and process for chemical modification thereof |
MD4008C1 (en) * | 2009-07-01 | 2010-09-30 | Институт Химии Академии Наук Молдовы | Process for sewage water purification from methylene blue |
Also Published As
Publication number | Publication date |
---|---|
MD1985F1 (en) | 2002-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KA4A | Patent for invention lapsed due to non-payment of fees (with right of restoration) | ||
MM4A | Patent for invention definitely lapsed due to non-payment of fees |