PL436770A1 - Method for digestate dewatering, especially in a biogas plant and a plant for digestate dewatering, especially from a biogas plant - Google Patents
Method for digestate dewatering, especially in a biogas plant and a plant for digestate dewatering, especially from a biogas plantInfo
- Publication number
- PL436770A1 PL436770A1 PL436770A PL43677021A PL436770A1 PL 436770 A1 PL436770 A1 PL 436770A1 PL 436770 A PL436770 A PL 436770A PL 43677021 A PL43677021 A PL 43677021A PL 436770 A1 PL436770 A1 PL 436770A1
- Authority
- PL
- Poland
- Prior art keywords
- digestate
- tank
- dewatering
- dome
- biogas plant
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 239000002826 coolant Substances 0.000 abstract 2
- 238000000855 fermentation Methods 0.000 abstract 2
- 230000004151 fermentation Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 2
- 239000012528 membrane Substances 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000036571 hydration Effects 0.000 abstract 1
- 238000006703 hydration reaction Methods 0.000 abstract 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Treatment Of Sludge (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób odwadniania pofermentu, zwłaszcza w biogazowni oraz instalacja do odwadniania pofermentu, zwłaszcza z biogazowni. W sposobie odwadniania pofermentu otrzymany ze zbiornika fermentacyjnego biogazowni (1) poferment o stopniu uwodnienia poniżej 97% transportuje się do zbiornika pofermentu (1), zamkniętego od góry elastyczną kopułą membranową (2), którą wcześniej montuje się pod kopułą zewnętrzną (3) zbiornika pofermentu (1), po czym za pomocą instalacji grzewczej (4) umieszczonej na dnie zbiornika pofermentu (1) poferment podgrzewa się do temperatury fermentacji mezofilnej mieszczącej się w przedziale od 34°C do 44°C. Z systemu medium chłodzącego (5) do przestrzeni między elastyczną kopułą membranową (2) i kopułą zewnętrzną (3) doprowadza się medium chłodzące, którego temperaturę utrzymuje się w granicach od 3°C do 27°C, a następnie spływające po dolnej powierzchni elastycznej kopuły membranowej (2) skropliny z pofermentu odbiera się przez układ odbioru wody (7) wyposażony w system separacyjny (8). Za pomocą systemu separacyjnego (8) wodę ze skroplin oddziela się od gazu i transportuje układem odbioru wody (7) na zewnątrz zbiornika pofermentu (1).The subject of the application is a method of digestate dewatering, especially in a biogas plant, and an installation for digestate dewatering, especially from a biogas plant. In the digestate dewatering method, the digestate obtained from the fermentation tank of the biogas plant (1) with a degree of hydration below 97% is transported to the digestate tank (1), closed at the top with a flexible membrane dome (2), which is previously installed under the outer dome (3) of the digestate tank (1), and then, by means of a heating installation (4) located at the bottom of the digestate tank (1), the digestate is heated to the mesophilic fermentation temperature ranging from 34 ° C to 44 ° C. From the cooling medium system (5), a cooling medium is supplied to the space between the flexible diaphragm dome (2) and the outer dome (3), the temperature of which is kept between 3 ° C and 27 ° C, and then flows down the bottom surface of the flexible dome membrane (2) condensate from the digestate is collected through the water collection system (7) equipped with a separation system (8). The condensate water is separated from the gas by the separation system (8) and transported through the water receiving system (7) outside the digestate tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL436770A PL245655B1 (en) | 2021-01-26 | 2021-01-26 | Method of dewatering digestate, especially in a biogas plant and installation for dewatering digestate, especially from a biogas plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL436770A PL245655B1 (en) | 2021-01-26 | 2021-01-26 | Method of dewatering digestate, especially in a biogas plant and installation for dewatering digestate, especially from a biogas plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL436770A1 true PL436770A1 (en) | 2022-08-01 |
| PL245655B1 PL245655B1 (en) | 2024-09-16 |
Family
ID=83721702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL436770A PL245655B1 (en) | 2021-01-26 | 2021-01-26 | Method of dewatering digestate, especially in a biogas plant and installation for dewatering digestate, especially from a biogas plant |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL245655B1 (en) |
-
2021
- 2021-01-26 PL PL436770A patent/PL245655B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL245655B1 (en) | 2024-09-16 |
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