JP2007111673A - 生ゴミ又は食品残渣のメタン発酵処理方法 - Google Patents
生ゴミ又は食品残渣のメタン発酵処理方法 Download PDFInfo
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- JP2007111673A JP2007111673A JP2005308344A JP2005308344A JP2007111673A JP 2007111673 A JP2007111673 A JP 2007111673A JP 2005308344 A JP2005308344 A JP 2005308344A JP 2005308344 A JP2005308344 A JP 2005308344A JP 2007111673 A JP2007111673 A JP 2007111673A
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 175
- 238000000855 fermentation Methods 0.000 title claims abstract description 90
- 230000004151 fermentation Effects 0.000 title claims abstract description 90
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 36
- 235000013305 food Nutrition 0.000 title abstract description 12
- 235000021190 leftovers Nutrition 0.000 title abstract 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000010794 food waste Substances 0.000 claims description 73
- 238000003672 processing method Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 38
- 230000000052 comparative effect Effects 0.000 description 15
- 238000005259 measurement Methods 0.000 description 15
- 238000012545 processing Methods 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 9
- 239000010815 organic waste Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 150000007524 organic acids Chemical class 0.000 description 7
- 239000002243 precursor Substances 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 230000001079 digestive effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 235000008429 bread Nutrition 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 235000015173 baked goods and baking mixes Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
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- 235000006694 eating habits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000000696 methanogenic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 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 1
- 238000004064 recycling Methods 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
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- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
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- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
【解決手段】生ゴミ又は食品残渣をメタン発酵によって処理する生ゴミ又は食品残渣のメタン発酵処理方法において、生ゴミ又は食品残渣をメタン発酵設備に供給するのに先立ち、好ましくは120〜140℃の亜臨界水処理温度帯域で2.5〜10分間、生ゴミ又は食品残渣を処理する。また120〜140℃の亜臨界水処理温度帯域での圧力は0.2〜0.5MPaであり、生ゴミ又は食品残渣の含水率は、好ましくは80〜90%である。
【選択図】図1
Description
生ゴミ又は食品残渣として、表1に示す配合及び含水率の模擬食品残渣を用い、比較例1として、亜臨界水処理による前処理を行うことなくメタン発酵させてガスの発生量を測定した。また、実施例1〜4として、表2に示す処理温度で表2に示す時間、亜臨界水処理による前処理を行った後に、メタン発酵させてガスの発生量を測定した。測定結果を比較例1によるガスの発生量との比として表2に示す。さらに、比較例2,3として、表2に示す処理温度で表2に示す時間、亜臨界水処理による前処理を行った後に、メタン発酵させてガスの発生量を測定した。測定結果を比較例1によるガスの発生量との比として表2に示す。さらにまた、表2におけるガスの発生量の測定結果をチャートとして図2に示す。
生ゴミ又は食品残渣として、表1に示す配合及び含水率の模擬食品残渣を用い、実施例5として、表3に示す処理温度で表3に示す時間、亜臨界水処理による前処理を行った後に、有機酸の量(mg/リッタ)を測定した。測定結果を表3に示す。また、比較例4〜6として、表3に示す処理温度で表3に示す時間、亜臨界水処理による前処理を行った後に、有機酸の量(mg/リッタ)を測定した。測定結果を表3に示す。さらに、表3における有機酸の量の測定結果をチャートとして図3に示す。
生ゴミ又は食品残渣として、表1に示す配合及び含水率の模擬食品残渣を用い、比較例7として、亜臨界水処理による前処理を行うことなくメタン発酵させ、発酵時間とガス発生量との関係を測定した。また、比較例8として、200℃の処理温度で5分間、亜臨界水処理による前処理を行った後にメタン発酵させ、発酵時間とガス発生量との関係を測定した。測定結果をチャートとして図4に示す。
10a 受入装置
10b 前処理装置
11 メタン発酵設備
11a メタン発酵槽
11b ガスホルダー
11c 脱硫装置
12 エネルギー回収設備
12a 発電装置
13 消化液処理設備
13a 消化液処理システム
14 液肥貯留設備
14a 液肥貯留槽
Claims (4)
- 生ゴミ又は食品残渣をメタン発酵によって処理する生ゴミ又は食品残渣のメタン発酵処理方法において、
前記生ゴミ又は食品残渣をメタン発酵設備に供給するのに先立ち、110〜160℃の亜臨界水処理温度で2.5〜10分間、該生ゴミ又は食品残渣を処理する生ゴミ又は食品残渣のメタン発酵処理方法。 - 前記亜臨界水処理温度が120〜140℃である請求項1記載の生ゴミ又は食品残渣のメタン発酵処理方法。
- 前記亜臨界水処理温度での圧力が0.2〜0.8MPaである請求項1又は2に記載の生ゴミ又は食品残渣のメタン発酵処理方法。
- 前記生ゴミ又は食品残渣の含水率が80〜90%である請求項1〜3のいずれかに記載の生ゴミ又は食品残渣のメタン発酵処理方法。
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JP2007111673A5 JP2007111673A5 (ja) | 2008-12-25 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012132798A1 (ja) * | 2011-03-27 | 2012-10-04 | 鹿島建設株式会社 | 汚泥の水熱反応利用型メタン発酵処理方法及びシステム |
WO2012141652A1 (en) * | 2011-04-15 | 2012-10-18 | Reac Fuel Ab | Method of treating organic material to produce methane gas |
WO2013008907A1 (ja) * | 2011-07-14 | 2013-01-17 | 東洋ゴム工業株式会社 | 亜臨界水処理を用いた生ごみの高効率メタン発酵 |
JP2015217345A (ja) * | 2014-05-19 | 2015-12-07 | 東洋ゴム工業株式会社 | 有機廃棄物のメタン発酵処理方法 |
US9738943B2 (en) | 2010-11-01 | 2017-08-22 | Renmatix, Inc. | Process for controlled liquefaction of a biomass feedstock by treatment in hot compressed water |
US9783565B2 (en) | 2011-11-08 | 2017-10-10 | Renmatix, Inc. | Liquefaction of biomass at low pH |
JP2021008330A (ja) * | 2019-06-28 | 2021-01-28 | 三菱重工環境・化学エンジニアリング株式会社 | ごみ中継施設 |
Citations (6)
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JPH0899099A (ja) * | 1994-09-30 | 1996-04-16 | Agency Of Ind Science & Technol | 生ゴミの処理方法 |
JP2000271559A (ja) * | 1999-03-26 | 2000-10-03 | Osaka Gas Co Ltd | 有機廃棄物のメタン発酵処理方法 |
JP2003033799A (ja) * | 2001-07-26 | 2003-02-04 | Kurita Water Ind Ltd | 窒素成分を含む有機物の処理方法 |
JP2003094022A (ja) * | 2001-07-19 | 2003-04-02 | Mitsubishi Heavy Ind Ltd | 有機性廃棄物の処理方法及びその装置 |
JP2003245628A (ja) * | 2002-02-25 | 2003-09-02 | Ishikawajima Harima Heavy Ind Co Ltd | 食材の加工過程で生じる廃棄物の処理方法及び処理装置 |
WO2004037731A1 (ja) * | 2002-10-22 | 2004-05-06 | Osaka Industrial Promotion Organization | メタンガスの製造方法 |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0899099A (ja) * | 1994-09-30 | 1996-04-16 | Agency Of Ind Science & Technol | 生ゴミの処理方法 |
JP2000271559A (ja) * | 1999-03-26 | 2000-10-03 | Osaka Gas Co Ltd | 有機廃棄物のメタン発酵処理方法 |
JP2003094022A (ja) * | 2001-07-19 | 2003-04-02 | Mitsubishi Heavy Ind Ltd | 有機性廃棄物の処理方法及びその装置 |
JP2003033799A (ja) * | 2001-07-26 | 2003-02-04 | Kurita Water Ind Ltd | 窒素成分を含む有機物の処理方法 |
JP2003245628A (ja) * | 2002-02-25 | 2003-09-02 | Ishikawajima Harima Heavy Ind Co Ltd | 食材の加工過程で生じる廃棄物の処理方法及び処理装置 |
WO2004037731A1 (ja) * | 2002-10-22 | 2004-05-06 | Osaka Industrial Promotion Organization | メタンガスの製造方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9738943B2 (en) | 2010-11-01 | 2017-08-22 | Renmatix, Inc. | Process for controlled liquefaction of a biomass feedstock by treatment in hot compressed water |
WO2012132798A1 (ja) * | 2011-03-27 | 2012-10-04 | 鹿島建設株式会社 | 汚泥の水熱反応利用型メタン発酵処理方法及びシステム |
JP2012200691A (ja) * | 2011-03-27 | 2012-10-22 | Kajima Corp | 汚泥の水熱反応利用型メタン発酵処理方法及びシステム |
WO2012141652A1 (en) * | 2011-04-15 | 2012-10-18 | Reac Fuel Ab | Method of treating organic material to produce methane gas |
WO2013008907A1 (ja) * | 2011-07-14 | 2013-01-17 | 東洋ゴム工業株式会社 | 亜臨界水処理を用いた生ごみの高効率メタン発酵 |
US9783565B2 (en) | 2011-11-08 | 2017-10-10 | Renmatix, Inc. | Liquefaction of biomass at low pH |
JP2015217345A (ja) * | 2014-05-19 | 2015-12-07 | 東洋ゴム工業株式会社 | 有機廃棄物のメタン発酵処理方法 |
JP2021008330A (ja) * | 2019-06-28 | 2021-01-28 | 三菱重工環境・化学エンジニアリング株式会社 | ごみ中継施設 |
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