JP2008062138A - バイオガスの精製方法及びバイオガス精製設備 - Google Patents
バイオガスの精製方法及びバイオガス精製設備 Download PDFInfo
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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
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- 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
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
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Abstract
【解決手段】嫌気性発酵槽からのバイオガスをガス圧縮機によって吸収塔へ送り込み、前記吸収塔内にてバイオガスと水とを高圧状態で接触させてメタンを高濃度化した精製ガスを得るバイオガスの精製方法であって、前記ガス圧縮機に精製ガスを導く精製ガス循環ラインを設け、ガス圧縮機を予め設定された一定の回転数にて運転して、ガス圧縮機に導かれるバイオガス及び精製ガスの合計量を一定又は略一定に維持するとともに、前記嫌気性発酵槽のガス圧力が予め設定された目標値に維持されるようにガス圧縮機に導くバイオガス量を増減制御する。
【選択図】なし
Description
2…消化ガス精製装置
3…精製ガスタンク
4…制御装置
21…余剰ガス燃焼装置
202a,202b…ガス圧縮機
203…回転数制御器
204…吸収塔
205…除湿器
206…給水槽
207…水補給用ポンプ
208…水循環用ポンプ
31A,31B…消化タンク
V1…消化ガス用流量調節弁
V2…精製ガス用流量調節弁
V4…余剰消化ガス制御弁
L1…消化ガス導出ライン
L4…精製ガス循環ライン
Claims (6)
- 有機性廃棄物を嫌気性発酵させる嫌気性発酵槽からのバイオガスをガス圧縮機によって昇圧して吸収塔へ送り込み、前記吸収塔内においてバイオガスと水とを高圧状態で接触させることにより、バイオガスに含まれる二酸化炭素及び硫黄系不純物を高圧水に溶解させて該バイオガスから分離して、メタンを高濃度化した精製ガスを得るバイオガスの精製方法であって、前記ガス圧縮機に精製ガスを導く精製ガス循環ラインを設け、前記ガス圧縮機を予め設定された一定の負荷にて運転して、前記ガス圧縮機に導かれる前記嫌気性発酵槽からのバイオガス及び前記精製ガス循環ラインからの精製ガスの合計量を一定又は略一定に維持するとともに、前記嫌気性発酵槽のガス圧力を測定し、その測定結果に基づいて前記嫌気性発酵槽のガス圧力が予め設定された目標値に維持されるように前記ガス圧縮機に導くバイオガス量を増減制御することを特徴とするバイオガスの精製方法。
- 請求項1記載のバイオガスの精製方法において、前記ガス圧縮機に導かれるバイオガス及び精製ガスからなるガスの精製ガス混合比率の上限値及び/又は下限値を設定しておき、精製ガス混合比率がその上限値以上となった場合には前記ガス増減制御に代えて前記ガス圧縮機の負荷を減少させる制御を行い、精製ガス混合比率がその下限値以下となった場合には前記ガス増減制御に代えて前記ガス圧縮機の負荷を増加させる制御を行うことを特徴とするバイオガスの精製方法。
- 前記吸収塔内においてバイオガスと水とを、0.55〜2.0MPaGの範囲を満たす高圧状態で接触させることにより、前記二酸化炭素及び前記硫黄系不純物を分離除去するとともに、バイオガスが含有するシロキサン化合物を凝縮させて該バイオガスから分離して、メタンを高濃度化した精製ガスを得ることを特徴とする請求項1又は2記載のバイオガスの精製方法。
- 有機性廃棄物を嫌気性発酵させる嫌気性発酵槽のガス圧を測定するガス圧力計とバイオガス用流量調節手段を有して、前記嫌気性発酵槽からのバイオガスを導くバイオガス導出ラインと、前記バイオガス導出ラインを通じて供給される前記嫌気性発酵槽からのバイオガスをガス圧縮機によって昇圧して吸収塔へ送り込み、前記吸収塔内においてバイオガスと水とを高圧状態で接触させることにより、バイオガスに含まれる二酸化炭素及び硫黄系不純物を高圧水に溶解させて該バイオガスから分離して、メタンを高濃度化した精製ガスを得るバイオガス精製装置と、精製ガス用流量調節手段を有し、前記ガス圧縮機に精製ガスを導く精製ガス循環ラインと、前記ガス圧縮機を予め設定された一定の負荷にて運転して、前記ガス圧縮機に導かれる前記嫌気性発酵槽からのバイオガス及び前記精製ガス循環ラインからの精製ガスの合計量を一定又は略一定に維持するとともに、前記ガス圧力計による測定結果に基づいて前記嫌気性発酵槽のガス圧力が予め設定された目標値に維持されるように前記ガス圧縮機に導くバイオガス量を増減制御する制御手段と、を備えたことを特徴とするバイオガス精製設備。
- 請求項4記載のバイオガス精製設備において、前記ガス圧縮機に導かれるバイオガス及び精製ガスからなるガスの精製ガス混合比率の上限値及び/又は下限値が設定されており、前記制御手段は、精製ガス混合比率がその上限値以上となった場合には前記ガス増減制御に代えて前記ガス圧縮機の負荷を減少させる制御を行い、精製ガス混合比率がその下限値以下となった場合には前記ガス増減制御に代えて前記ガス圧縮機の負荷を増加させる制御を行うことを特徴とするバイオガス精製設備。
- 前記バイオガス精製装置は、前記吸収塔内においてバイオガスと水とを、0.55〜2.0MPaGの範囲を満たす高圧状態で接触させることにより、前記二酸化炭素及び前記硫黄系不純物を分離除去するとともに、バイオガスが含有するシロキサン化合物を凝縮させて該バイオガスから分離して、メタンを高濃度化した精製ガスを得るように構成されたものであることを特徴とする請求項4又は5記載のバイオガス精製設備。
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Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2454226A (en) * | 2007-11-01 | 2009-05-06 | Christopher Maltin | Biomethane purifying process and cell wall disruption process |
JP2010180197A (ja) * | 2008-08-27 | 2010-08-19 | Kobelco Eco-Solutions Co Ltd | 消化ガスの脱酸素方法及び装置 |
JP2010209706A (ja) * | 2009-03-06 | 2010-09-24 | Yanmar Co Ltd | バイオガス発電装置 |
JP6077169B1 (ja) * | 2016-08-30 | 2017-02-08 | 株式会社神鋼環境ソリューション | 水素ガスの製造方法、およびバイオガス水素化設備 |
JP2017129224A (ja) * | 2016-01-21 | 2017-07-27 | 株式会社神戸製鋼所 | ガス供給装置 |
JP2017206402A (ja) * | 2016-05-17 | 2017-11-24 | 株式会社神鋼環境ソリューション | 水素ガスの製造方法、およびバイオガス水素化設備 |
US9956541B2 (en) | 2014-12-12 | 2018-05-01 | Exxonmobil Research And Engineering Company | Methods of separating aromatic compounds from lube base stocks |
US10022701B2 (en) | 2014-12-12 | 2018-07-17 | Exxonmobil Research And Engineering Company | Coating methods using organosilica materials and uses thereof |
US10022700B2 (en) | 2014-12-12 | 2018-07-17 | Exxonmobil Research And Engineering Company | Organosilica materials and uses thereof |
US10047304B2 (en) | 2014-12-12 | 2018-08-14 | Exxonmobil Research And Engineering Company | Aromatic hydrogenation catalysts and uses thereof |
US10155826B2 (en) | 2014-12-12 | 2018-12-18 | Exxonmobil Research And Engineering Company | Olefin polymerization catalyst system comprising mesoporous organosilica support |
US10179839B2 (en) | 2016-11-18 | 2019-01-15 | Exxonmobil Research And Engineering Company | Sulfur terminated organosilica materials and uses thereof |
US10183272B2 (en) | 2014-12-12 | 2019-01-22 | Exxonmobil Research And Engineering Company | Adsorbent for heteroatom species removal and uses thereof |
US10195600B2 (en) | 2016-06-10 | 2019-02-05 | Exxonmobil Research And Engineering Company | Catalysts and methods of making the same |
US10207249B2 (en) | 2014-12-12 | 2019-02-19 | Exxonmobil Research And Engineering Company | Organosilica materials and uses thereof |
US10239967B2 (en) | 2014-12-12 | 2019-03-26 | Exxonmobil Research And Engineering Company | Olefin polymerization catalyst system comprising mesoporous organosilica support |
US10294312B2 (en) | 2014-12-12 | 2019-05-21 | Exxonmobil Research And Engineering Company | Olefin polymerization catalyst system comprising mesoporous organosilica support |
US10351639B2 (en) | 2014-12-12 | 2019-07-16 | Exxonmobil Research And Engineering Company | Organosilica materials for use as adsorbents for oxygenate removal |
US10435514B2 (en) | 2016-06-10 | 2019-10-08 | Exxonmobil Research And Engineering Company | Organosilica materials, methods of making, and uses thereof |
US10576453B2 (en) | 2014-12-12 | 2020-03-03 | Exxonmobil Research And Engineering Company | Membrane fabrication methods using organosilica materials and uses thereof |
US11111352B2 (en) | 2017-12-21 | 2021-09-07 | Exxonmobil Research And Engineering Company | Methods of producing organosilica materials and uses thereof |
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GB2454226A (en) * | 2007-11-01 | 2009-05-06 | Christopher Maltin | Biomethane purifying process and cell wall disruption process |
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JP2010209706A (ja) * | 2009-03-06 | 2010-09-24 | Yanmar Co Ltd | バイオガス発電装置 |
US10183272B2 (en) | 2014-12-12 | 2019-01-22 | Exxonmobil Research And Engineering Company | Adsorbent for heteroatom species removal and uses thereof |
US10207249B2 (en) | 2014-12-12 | 2019-02-19 | Exxonmobil Research And Engineering Company | Organosilica materials and uses thereof |
US10661262B2 (en) | 2014-12-12 | 2020-05-26 | Exxonmobil Research & Engineering Company | Aromatic hydrogenation catalysts and uses thereof |
US9956541B2 (en) | 2014-12-12 | 2018-05-01 | Exxonmobil Research And Engineering Company | Methods of separating aromatic compounds from lube base stocks |
US10022701B2 (en) | 2014-12-12 | 2018-07-17 | Exxonmobil Research And Engineering Company | Coating methods using organosilica materials and uses thereof |
US10022700B2 (en) | 2014-12-12 | 2018-07-17 | Exxonmobil Research And Engineering Company | Organosilica materials and uses thereof |
US10047304B2 (en) | 2014-12-12 | 2018-08-14 | Exxonmobil Research And Engineering Company | Aromatic hydrogenation catalysts and uses thereof |
US10155826B2 (en) | 2014-12-12 | 2018-12-18 | Exxonmobil Research And Engineering Company | Olefin polymerization catalyst system comprising mesoporous organosilica support |
US10576453B2 (en) | 2014-12-12 | 2020-03-03 | Exxonmobil Research And Engineering Company | Membrane fabrication methods using organosilica materials and uses thereof |
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US10351639B2 (en) | 2014-12-12 | 2019-07-16 | Exxonmobil Research And Engineering Company | Organosilica materials for use as adsorbents for oxygenate removal |
US10294312B2 (en) | 2014-12-12 | 2019-05-21 | Exxonmobil Research And Engineering Company | Olefin polymerization catalyst system comprising mesoporous organosilica support |
US10239967B2 (en) | 2014-12-12 | 2019-03-26 | Exxonmobil Research And Engineering Company | Olefin polymerization catalyst system comprising mesoporous organosilica support |
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JP2017129224A (ja) * | 2016-01-21 | 2017-07-27 | 株式会社神戸製鋼所 | ガス供給装置 |
JP2017206402A (ja) * | 2016-05-17 | 2017-11-24 | 株式会社神鋼環境ソリューション | 水素ガスの製造方法、およびバイオガス水素化設備 |
US10195600B2 (en) | 2016-06-10 | 2019-02-05 | Exxonmobil Research And Engineering Company | Catalysts and methods of making the same |
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JP6077169B1 (ja) * | 2016-08-30 | 2017-02-08 | 株式会社神鋼環境ソリューション | 水素ガスの製造方法、およびバイオガス水素化設備 |
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US11111352B2 (en) | 2017-12-21 | 2021-09-07 | Exxonmobil Research And Engineering Company | Methods of producing organosilica materials and uses thereof |
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