RU2011144935A - METHOD FOR PRODUCING WOOD REFINED FILTERING MATERIAL - Google Patents
METHOD FOR PRODUCING WOOD REFINED FILTERING MATERIAL Download PDFInfo
- Publication number
- RU2011144935A RU2011144935A RU2011144935/05A RU2011144935A RU2011144935A RU 2011144935 A RU2011144935 A RU 2011144935A RU 2011144935/05 A RU2011144935/05 A RU 2011144935/05A RU 2011144935 A RU2011144935 A RU 2011144935A RU 2011144935 A RU2011144935 A RU 2011144935A
- Authority
- RU
- Russia
- Prior art keywords
- wood
- water
- crushed
- raw material
- carried out
- Prior art date
Links
- 239000002023 wood Substances 0.000 title claims abstract 13
- 239000000463 material Substances 0.000 title claims abstract 3
- 238000001914 filtration Methods 0.000 title claims 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract 15
- 239000002994 raw material Substances 0.000 claims abstract 12
- 239000000126 substance Substances 0.000 claims abstract 10
- 238000000605 extraction Methods 0.000 claims abstract 6
- 239000002253 acid Substances 0.000 claims abstract 4
- 239000003513 alkali Substances 0.000 claims abstract 4
- 239000007864 aqueous solution Substances 0.000 claims abstract 4
- 238000007664 blowing Methods 0.000 claims abstract 4
- 238000004332 deodorization Methods 0.000 claims abstract 4
- 239000012535 impurity Substances 0.000 claims abstract 4
- 238000000859 sublimation Methods 0.000 claims abstract 4
- 230000008022 sublimation Effects 0.000 claims abstract 4
- 239000006286 aqueous extract Substances 0.000 claims abstract 2
- 238000009835 boiling Methods 0.000 claims abstract 2
- 238000001035 drying Methods 0.000 claims abstract 2
- 235000013305 food Nutrition 0.000 claims abstract 2
- 230000007935 neutral effect Effects 0.000 claims abstract 2
- 238000005453 pelletization Methods 0.000 claims abstract 2
- 230000035699 permeability Effects 0.000 claims abstract 2
- 239000000843 powder Substances 0.000 claims abstract 2
- 238000000926 separation method Methods 0.000 claims abstract 2
- 239000011122 softwood Substances 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000002916 wood waste Substances 0.000 claims abstract 2
- 239000006185 dispersion Substances 0.000 claims 1
- 235000013351 cheese Nutrition 0.000 abstract 1
Landscapes
- Fats And Perfumes (AREA)
- Extraction Or Liquid Replacement (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
1. Способ получения древесного рафинированного фильтрующего материала для пищевой и фармацевтической промышленности, в котором первоначально проводят воднохимическое экстрагирование водорастворимых, омыляемых и гидролизуемых веществ из дробленого древесного сырья, полученное древесное сырье сушат и дезодорируют путем возгонки оставшихся летучих примесей, затем полученное рафинированное сырье измельчают и разделяют на рафинированные фильтрующие порошки различной проницаемости.2. Способ по п.1, в котором в качестве сырья используют древесные заготовки и обрезки, дробленые предпочтительно до максимального линейного размера 5-15 мм, а также опилочные или стружечные отходы древесины, в том числе прессованные или пеллетированные.3. Способ по п.1, в котором воднохимическое экстрагирование водорастворимых, омыляемых и гидролизуемых веществ проводят с помощью воды или разбавленного водного раствора щелочи или кислоты при температуре кипения в количестве 30÷100% от массы древесины с последующим отделением водного экстракта.4. Способ по п.3, в котором используют водный раствор щелочи или кислоты концентрацией 0,2÷1 г/л.5. Способ по п.1, в котором сырье мягких пород древесины перед или после дезодорации подвергают экструзивному пеллетированию.6. Способ по п.1, в котором возгонку летучих примесей проводят в нейтральной атмосфере или вакууме, предпочтительно продувкой перегретым паром в вакууме при температуре 130÷160°С со скоростью возрастания температуры до 2÷10°С/мин.7. Способ по п.1, в котором сушку после воднохимического экстрагирования совмещают с дезодорацией путем продувки перегретого пара через слои древесного сыр1. A method of obtaining a wood refined filter material for the food and pharmaceutical industries, in which water-chemical extraction of water-soluble, saponified and hydrolyzable substances from crushed wood raw materials is initially carried out, the obtained wood raw material is dried and deodorized by sublimation of the remaining volatile impurities, then the obtained refined raw material is crushed and separated refined filter powders of various permeabilities. 2. The method according to claim 1, in which wood billets and scraps are used as raw materials, preferably crushed to a maximum linear size of 5-15 mm, as well as sawdust or chip wood waste, including pressed or pelletized. The method according to claim 1, in which the water-chemical extraction of water-soluble, saponifiable and hydrolyzable substances is carried out using water or a dilute aqueous solution of alkali or acid at a boiling point in an amount of 30-100% by weight of wood, followed by separation of the aqueous extract. The method according to claim 3, in which an aqueous solution of alkali or acid with a concentration of 0.2 ÷ 1 g / l is used. The method according to claim 1, in which the raw material of softwood before or after deodorization is subjected to extrusive pelletizing. The method according to claim 1, in which the sublimation of volatile impurities is carried out in a neutral atmosphere or vacuum, preferably by blowing with superheated steam in a vacuum at a temperature of 130-160 ° C with a temperature increasing rate of up to 2 ÷ 10 ° C / min. The method according to claim 1, in which drying after water-chemical extraction is combined with deodorization by blowing superheated steam through layers of wood cheese
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011144935/05A RU2488424C2 (en) | 2011-11-03 | 2011-11-03 | Method of making timber-based refined filtration material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011144935/05A RU2488424C2 (en) | 2011-11-03 | 2011-11-03 | Method of making timber-based refined filtration material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2011144935A true RU2011144935A (en) | 2013-05-10 |
| RU2488424C2 RU2488424C2 (en) | 2013-07-27 |
Family
ID=48788678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2011144935/05A RU2488424C2 (en) | 2011-11-03 | 2011-11-03 | Method of making timber-based refined filtration material |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2488424C2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU677150A1 (en) * | 1977-08-02 | 1982-08-15 | Сектор Нефтехимии Института Физико-Органической Химии И Углехимии Ан Усср | Auxiliary filtering material |
| SU1435272A1 (en) * | 1987-02-20 | 1988-11-07 | Отделение Нефтехимии Института Физико-Органической Химии И Углехимии Ан Усср | Method of applying cellulose-containing filter layer on partition |
| SU1518123A1 (en) * | 1988-02-09 | 1989-10-30 | Кировский Политехнический Институт | Method of producing wood flour |
| US5769934A (en) * | 1997-01-15 | 1998-06-23 | Fmc Corporation | Method for producing microcrystalline cellulose |
| DE19710315C2 (en) * | 1997-03-13 | 1999-01-07 | Herzog Stefan | Filter aids |
-
2011
- 2011-11-03 RU RU2011144935/05A patent/RU2488424C2/en active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2488424C2 (en) | 2013-07-27 |
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