JP4729718B2 - 有機性廃棄物の処理方法 - Google Patents
有機性廃棄物の処理方法 Download PDFInfo
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- JP4729718B2 JP4729718B2 JP2005094345A JP2005094345A JP4729718B2 JP 4729718 B2 JP4729718 B2 JP 4729718B2 JP 2005094345 A JP2005094345 A JP 2005094345A JP 2005094345 A JP2005094345 A JP 2005094345A JP 4729718 B2 JP4729718 B2 JP 4729718B2
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- 239000010815 organic waste Substances 0.000 title claims description 39
- 238000000034 method Methods 0.000 title claims description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 238
- 239000010802 sludge Substances 0.000 claims description 141
- 239000007788 liquid Substances 0.000 claims description 138
- 238000000855 fermentation Methods 0.000 claims description 111
- 230000004151 fermentation Effects 0.000 claims description 111
- 241000894006 Bacteria Species 0.000 claims description 46
- 238000000926 separation method Methods 0.000 claims description 36
- 239000002921 fermentation waste Substances 0.000 claims description 32
- 239000002699 waste material Substances 0.000 claims description 31
- 239000007787 solid Substances 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000000717 retained effect Effects 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 description 16
- 238000005063 solubilization Methods 0.000 description 12
- 230000007928 solubilization Effects 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 244000005700 microbiome Species 0.000 description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- 229910052698 phosphorus Inorganic materials 0.000 description 7
- 239000011574 phosphorus Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- 230000002776 aggregation Effects 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000003672 processing method Methods 0.000 description 5
- 241001453382 Nitrosomonadales Species 0.000 description 4
- 238000005273 aeration Methods 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- 239000010813 municipal solid waste Substances 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 3
- 230000004931 aggregating effect Effects 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 150000002505 iron Chemical class 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 235000019260 propionic acid Nutrition 0.000 description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000010998 test method Methods 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
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 235000013348 organic food Nutrition 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 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
-
- 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
Description
前記メタン発酵槽として、生菌が保持又は循環されずに処理液と共に移動して排出される培養槽を用い、
前記活性汚泥処理槽として、生菌が保持又は循環されずに処理液と共に移動して排出される培養槽を用い、
前記活性汚泥廃液にポリ硫酸鉄を、前記活性汚泥廃液の固形分中に10〜20質量%となるように添加し、重力沈殿又は膜分離によって前記活性汚泥廃液を固液分離し、
前記可溶化された濃縮汚泥の前記メタン発酵槽への返送流量と、前記有機性廃棄物の前記メタン発酵槽への投入流量との合計流量を、前記メタン発酵槽及び前記活性汚泥処理槽を通過する処理液の流量とし、
前記処理液の流量と前記メタン発酵槽の容積とで求められる前記メタン発酵槽での水理学的滞留時間が3日以上、かつ、前記処理液の流量と前記活性汚泥処理槽の容積とで求められる前記活性汚泥処理槽での水理学的滞留時間が5.5日以上となるように、前記処理液の流量を設定することを特徴とする。
図1は、本発明の有機性廃棄物の処理方法において利用できる有機性廃棄物処理装置の構成を示す一実施形態であり、この有機性廃棄物処理装置は、ペースト状に粉砕処理された有機性廃棄物をスラリー化して貯留するスラリー調整槽1と、このスラリー状の有機性廃棄物をメタン発酵処理するメタン発酵槽2と、メタン発酵処理後の発酵廃液を浄化処理する活性汚泥処理槽3と、この活性汚泥廃液に凝集剤を攪拌添加して、固形分をフロック形成させる凝集槽4と、フロック形成した活性汚泥廃液を濃縮汚泥と分離液とに固液分離する濃縮分離槽5と、濃縮汚泥を可溶化して貯留する可溶化槽6とで主に構成されている。
図1に示すような有機性廃棄物の処理装置を用い、本発明の有機性廃棄物の処理方法によって連続運転を行った。
凝集槽4での凝集剤として無機凝集剤のみを使用し、濃縮分離槽5として膜分離装置を用いた以外は実施例1と同様にして有機性廃棄物の処理を2ヶ月間行った。その間、有機性廃棄物は安定して処理でき、また、凝集槽4での凝集剤として有機高分子凝集剤を使用しなくとも、濃縮分離槽5で固液分離した分離液は実施例1での分離液と同様の水質であり、凝集剤の使用量を低減できた。
2:メタン発酵槽
3:活性汚泥処理槽
4:凝集槽
5:濃縮分離槽
6:可溶化槽
Claims (1)
- 有機性廃棄物をメタン発酵槽に投入し、メタン発酵させて発酵廃液を取り出し、この発酵廃液を活性汚泥処理槽に投入し、硝化及び脱窒反応させて活性汚泥廃液を取り出し、この活性汚泥廃液を固液分離し、得られた濃縮汚泥の少なくとも一部を可溶化して前記メタン発酵槽に返送する有機性廃棄物の処理方法において、
前記メタン発酵槽として、生菌が保持又は循環されずに処理液と共に移動して排出される培養槽を用い、
前記活性汚泥処理槽として、生菌が保持又は循環されずに処理液と共に移動して排出される培養槽を用い、
前記活性汚泥廃液にポリ硫酸鉄を、前記活性汚泥廃液の固形分中に10〜20質量%となるように添加し、重力沈殿又は膜分離によって前記活性汚泥廃液を固液分離し、
前記可溶化された濃縮汚泥の前記メタン発酵槽への返送流量と、前記有機性廃棄物の前記メタン発酵槽への投入流量との合計流量を、前記メタン発酵槽及び前記活性汚泥処理槽を通過する処理液の流量とし、
前記処理液の流量と前記メタン発酵槽の容積とで求められる前記メタン発酵槽での水理学的滞留時間が3日以上、かつ、前記処理液の流量と前記活性汚泥処理槽の容積とで求められる前記活性汚泥処理槽での水理学的滞留時間が5.5日以上となるように、前記処理液の流量を設定することを特徴とする有機性廃棄物の処理方法。
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JP2006272138A JP2006272138A (ja) | 2006-10-12 |
JP4729718B2 true JP4729718B2 (ja) | 2011-07-20 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008086848A (ja) * | 2006-09-29 | 2008-04-17 | Kurita Water Ind Ltd | 有機性排液の処理装置および有機性排液の処理方法 |
JP4765922B2 (ja) * | 2006-12-15 | 2011-09-07 | 富士電機株式会社 | 廃液処理方法及び廃液処理装置 |
JP5358886B2 (ja) * | 2007-02-22 | 2013-12-04 | 栗田工業株式会社 | 有機物含有水の生物処理方法 |
JP5163152B2 (ja) * | 2007-02-22 | 2013-03-13 | 東レ株式会社 | 廃水処理方法 |
JP2009207944A (ja) * | 2008-02-29 | 2009-09-17 | Takuma Co Ltd | バイオガスの硫化水素除去方法 |
JP5211769B2 (ja) * | 2008-03-11 | 2013-06-12 | 栗田工業株式会社 | 有機性廃液の生物処理方法及び処理装置 |
JP5686650B2 (ja) * | 2011-03-30 | 2015-03-18 | 株式会社クボタ | 有機性廃水処理設備および方法 |
JP5896853B2 (ja) * | 2012-07-25 | 2016-03-30 | 住友重機械エンバイロメント株式会社 | メタン発酵設備及びメタン発酵方法 |
JP5997059B2 (ja) * | 2013-01-10 | 2016-09-21 | 水ing株式会社 | 有機性廃水の嫌気処理方法及び嫌気性処理装置 |
JP5969400B2 (ja) * | 2013-01-10 | 2016-08-17 | 水ing株式会社 | 嫌気処理方法及び嫌気性処理装置 |
CN115594319A (zh) * | 2021-06-28 | 2023-01-13 | 中国石油化工股份有限公司(Cn) | 一种高硫酸盐有机废水的处理方法 |
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JPS59173197A (ja) * | 1983-03-24 | 1984-10-01 | Chiyoda Chem Eng & Constr Co Ltd | 有機性廃液のメタン発酵方法 |
JPH11277098A (ja) * | 1998-03-27 | 1999-10-12 | Kubota Corp | 脱リン方法 |
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JP2002272491A (ja) * | 2001-03-22 | 2002-09-24 | Kajima Corp | 微生物群による水素生産方法及びその水素発酵微生物群 |
JP2002316130A (ja) * | 2001-04-23 | 2002-10-29 | Shinko Pantec Co Ltd | 有機性固形廃棄物の処理方法及び装置 |
JP2003047928A (ja) * | 2001-08-02 | 2003-02-18 | Ebara Corp | 有機性廃棄物の処理方法及び装置 |
JP2004017024A (ja) * | 2002-06-20 | 2004-01-22 | Kurita Water Ind Ltd | 乾式メタン発酵方法及び乾式メタン発酵装置 |
JP2004358391A (ja) * | 2003-06-05 | 2004-12-24 | Kurita Water Ind Ltd | 有機性廃棄物の処理方法及び処理装置 |
-
2005
- 2005-03-29 JP JP2005094345A patent/JP4729718B2/ja active Active
Patent Citations (9)
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JPS59173197A (ja) * | 1983-03-24 | 1984-10-01 | Chiyoda Chem Eng & Constr Co Ltd | 有機性廃液のメタン発酵方法 |
JPH11277098A (ja) * | 1998-03-27 | 1999-10-12 | Kubota Corp | 脱リン方法 |
JP2002136989A (ja) * | 2000-08-24 | 2002-05-14 | Ishikawajima Harima Heavy Ind Co Ltd | 有機性排液の処理方法および有機性排液の処理装置 |
JP2002066518A (ja) * | 2000-08-31 | 2002-03-05 | Toshiba Corp | 生ごみバイオガス化装置 |
JP2002272491A (ja) * | 2001-03-22 | 2002-09-24 | Kajima Corp | 微生物群による水素生産方法及びその水素発酵微生物群 |
JP2002316130A (ja) * | 2001-04-23 | 2002-10-29 | Shinko Pantec Co Ltd | 有機性固形廃棄物の処理方法及び装置 |
JP2003047928A (ja) * | 2001-08-02 | 2003-02-18 | Ebara Corp | 有機性廃棄物の処理方法及び装置 |
JP2004017024A (ja) * | 2002-06-20 | 2004-01-22 | Kurita Water Ind Ltd | 乾式メタン発酵方法及び乾式メタン発酵装置 |
JP2004358391A (ja) * | 2003-06-05 | 2004-12-24 | Kurita Water Ind Ltd | 有機性廃棄物の処理方法及び処理装置 |
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