JP4961327B2 - 廃棄物のメタン発酵処理システム - Google Patents
廃棄物のメタン発酵処理システム Download PDFInfo
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- JP4961327B2 JP4961327B2 JP2007286504A JP2007286504A JP4961327B2 JP 4961327 B2 JP4961327 B2 JP 4961327B2 JP 2007286504 A JP2007286504 A JP 2007286504A JP 2007286504 A JP2007286504 A JP 2007286504A JP 4961327 B2 JP4961327 B2 JP 4961327B2
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- Prior art keywords
- methane fermentation
- tank
- sludge
- waste
- ammonia
- 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.)
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 160
- 238000000855 fermentation Methods 0.000 title claims description 79
- 230000004151 fermentation Effects 0.000 title claims description 79
- 239000002699 waste material Substances 0.000 title claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 90
- 239000010802 sludge Substances 0.000 claims description 55
- 238000005063 solubilization Methods 0.000 claims description 47
- 230000007928 solubilization Effects 0.000 claims description 47
- 229910021529 ammonia Inorganic materials 0.000 claims description 44
- 238000005273 aeration Methods 0.000 claims description 29
- 239000010815 organic waste Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 42
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 9
- 239000007788 liquid Substances 0.000 description 6
- 235000012255 calcium oxide Nutrition 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005465 channeling Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003381 solubilizing effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- Processing Of Solid Wastes (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Treatment Of Sludge (AREA)
Description
前記可溶化槽は、嫌気性の雰囲気に保たれ、返送汚泥をパドル攪拌するためのパドル攪拌手段と、パドル攪拌された返送汚泥を曝気するための曝気手段とを備えており、
前記可溶化槽内のガスは、前記アンモニア吸収塔を通して循環され、前記アンモニア吸収塔にてアンモニアが除去された後に前記曝気手段から前記可溶化槽内の返送汚泥に曝気されることを特徴とする。
4 廃棄物供給ライン系
6 処理汚泥処理ライン系
8 返送ライン系
20 可溶化槽
24 パドル攪拌手段
26 曝気手段
Claims (3)
- 有機性廃棄物をメタン発酵させるメタン発酵槽と、有機性廃棄物を前記メタン発酵槽に供給するための廃棄物供給ライン系と、前記メタン発酵槽にてメタン発酵処理された処理汚泥の一部を返送汚泥として前記廃棄物供給ライン系に返送するための返送ライン系と、前記返送ライン系に配設された可溶化槽と、前記可溶化槽にて分離されたアンモニアガスを吸収するためのアンモニア吸収塔とを具備しており、
前記可溶化槽は、嫌気性の雰囲気に保たれ、返送汚泥をパドル攪拌するためのパドル攪拌手段と、パドル攪拌された返送汚泥を曝気するための曝気手段とを備えており、
前記可溶化槽内のガスは、前記アンモニア吸収塔を通して循環され、前記アンモニア吸収塔にてアンモニアが除去された後に前記曝気手段から前記可溶化槽内の返送汚泥に曝気されることを特徴とする廃棄物のメタン発酵処理システム。 - 前記可溶化槽内の返送汚泥のpHは7.0〜9.0であり、その温度は70〜90℃であることを特徴とする請求項1に記載の廃棄物のメタン発酵処理システム。
- 前記可溶化槽が横置きの筒形であり、前記パドル攪拌手段は、横方向に延びる回転軸と、前記回転軸上に間隔を置いて枝状に配設された複数のパドルとから構成されており、前記複数のパドルにより、前記可溶化槽内の返送汚泥を混合することを特徴とする請求項1又は2に記載の廃棄物のメタン発酵処理システム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007286504A JP4961327B2 (ja) | 2007-11-02 | 2007-11-02 | 廃棄物のメタン発酵処理システム |
Applications Claiming Priority (1)
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JP2007286504A JP4961327B2 (ja) | 2007-11-02 | 2007-11-02 | 廃棄物のメタン発酵処理システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009112904A JP2009112904A (ja) | 2009-05-28 |
JP4961327B2 true JP4961327B2 (ja) | 2012-06-27 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007286504A Active JP4961327B2 (ja) | 2007-11-02 | 2007-11-02 | 廃棄物のメタン発酵処理システム |
Country Status (1)
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JP (1) | JP4961327B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5654754B2 (ja) * | 2010-01-12 | 2015-01-14 | 株式会社タクマ | 乾式メタン発酵残渣脱水システム |
CN101786780B (zh) * | 2010-02-22 | 2013-04-03 | 北京能效环境工程有限公司 | 活性污泥处理方法 |
JP5726576B2 (ja) * | 2011-03-07 | 2015-06-03 | 三菱化工機株式会社 | 有機性廃棄物の処理方法および処理装置 |
JP2016019966A (ja) * | 2014-06-17 | 2016-02-04 | 日本臓器製薬株式会社 | 汚泥処理方法及び汚泥処理システム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000063188A (ja) * | 1998-08-18 | 2000-02-29 | Hitachi Plant Eng & Constr Co Ltd | 汚泥コンポスト化装置 |
JP2005074323A (ja) * | 2003-09-01 | 2005-03-24 | Fuji Electric Holdings Co Ltd | メタン発酵処理方法及び装置 |
JP4412538B2 (ja) * | 2004-02-26 | 2010-02-10 | Jfeエンジニアリング株式会社 | 有機性廃棄物の処理方法 |
JP2005238151A (ja) * | 2004-02-27 | 2005-09-08 | Jfe Engineering Kk | 有機性廃棄物の処理装置および処理方法 |
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