JP4352911B2 - メタン発酵処理装置 - Google Patents
メタン発酵処理装置 Download PDFInfo
- Publication number
- JP4352911B2 JP4352911B2 JP2004019386A JP2004019386A JP4352911B2 JP 4352911 B2 JP4352911 B2 JP 4352911B2 JP 2004019386 A JP2004019386 A JP 2004019386A JP 2004019386 A JP2004019386 A JP 2004019386A JP 4352911 B2 JP4352911 B2 JP 4352911B2
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- methane fermentation
- container
- lower container
- tank
- 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 - Lifetime
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 86
- 238000000855 fermentation Methods 0.000 title claims description 42
- 230000004151 fermentation Effects 0.000 title claims description 42
- 239000012528 membrane Substances 0.000 claims description 101
- 238000000926 separation method Methods 0.000 claims description 47
- 239000007788 liquid Substances 0.000 claims description 23
- 239000010802 sludge Substances 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 10
- 239000010815 organic waste Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 239000002921 fermentation waste Substances 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 47
- 238000005273 aeration Methods 0.000 description 18
- 238000005374 membrane filtration Methods 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000001477 organic nitrogen group Chemical group 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Processing Of Solid Wastes (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
- Treatment Of Sludge (AREA)
Description
前記膜分離槽が、前記膜ユニット全体を収容する下部容器と、この下部容器の上部開口部上に設けられた上部容器とからなり、
前記上部容器の水平断面積が、前記下部容器の前記上部開口部の水平断面積より小さくなるように構成されていることを特徴とする。
メタン発酵槽10においてメタン発酵処理された後の発酵廃液は、間欠暴気槽20に送られる。この間欠曝気槽20では、曝気装置21からで空気を供給して酸素濃度を高めて硝化反応を行う曝気工程と、空気の供給を停止して脱窒反応を行う攪拌工程を交互に繰り返す回分処理により、全窒素(T−N)の低減を行なう。その後、間欠暴曝気槽20の上澄水は、膜分離槽30にオーバーフロー水として流入口36より流入し、例えば孔径0.2μm程度の複数の膜エレメント33を通過して膜ろ過処理されて固液分離される。そして、膜エレメント33毎にチューブ37によってヘッダー管38に集水された後、流出口39から次工程の処理水槽41へと排出される。
20 間欠曝気槽
30 膜分離槽
31 容器
31a 下部容器
31b 上部容器
32 膜ユニット
33 膜エレメント
34 散気装置
35 ガイドケース
36 流入口
37 チューブ
38 ヘッダー管
39 流出口
41 処理水槽
42 脱水機
43 供給ポンプ
44、45 ポンプ
61、63 蓋部
62、64 筒部
63a、64a 分割パネル
65 上部容器
L 水位
Claims (4)
- 嫌気性微生物によって有機性廃棄物をメタン発酵させるメタン発酵槽と、前記メタン発酵後の発酵廃液を活性汚泥処理するための活性汚泥槽と、前記活性汚泥処理後の処理液を固液分離する重力ろ過式の膜ユニットを収容した膜分離槽とを備えるメタン発酵処理装置であって、
前記膜分離槽が、前記膜ユニット全体を収容する下部容器と、この下部容器の上部開口部上に設けられた上部容器とからなり、
前記上部容器の水平断面積が、前記下部容器の前記上部開口部の水平断面積より小さくなるように構成されていることを特徴とするメタン発酵処理装置。 - 前記下部容器の前記上部開口部の水平断面積に対する、前記上部容器の水平断面積の割合が10〜50%である請求項1に記載のメタン発酵処理装置。
- 前記下部容器内に収容された前記膜ユニットの上面から、前記下部容器の上部開口部までの距離が5〜10cmである請求項1又は2に記載のメタン発酵処理装置。
- 前記上部容器が、分割可能なパネルによって構成されている請求項1〜3のいずれか1つに記載のメタン発酵処理装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004019386A JP4352911B2 (ja) | 2004-01-28 | 2004-01-28 | メタン発酵処理装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004019386A JP4352911B2 (ja) | 2004-01-28 | 2004-01-28 | メタン発酵処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005211733A JP2005211733A (ja) | 2005-08-11 |
JP4352911B2 true JP4352911B2 (ja) | 2009-10-28 |
Family
ID=34903612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004019386A Expired - Lifetime JP4352911B2 (ja) | 2004-01-28 | 2004-01-28 | メタン発酵処理装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4352911B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008012305A1 (de) | 2008-03-03 | 2009-09-17 | Microdyn - Nadir Gmbh | Filtrationsvorrichtung für Mikro-, Ultra- und Nanofiltration |
JP5979566B2 (ja) * | 2012-07-23 | 2016-08-24 | 三菱レイヨン株式会社 | 溶存ガス除去装置、ならびに有機性被処理物の生物処理装置および生物処理方法 |
-
2004
- 2004-01-28 JP JP2004019386A patent/JP4352911B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005211733A (ja) | 2005-08-11 |
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