JP2018525453A - バイオガス精製機において活性炭を不活性化する方法 - Google Patents
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Abstract
【選択図】 図1
Description
本出願書類では、2015年6月1日に提出され、「バイオガス精製機において活性炭を不活性化する方法」と題した米国仮出願第62/169,090号明細書の優先権を請求し、この参照によりその全体が本明細書に組み込まれる。
本発明については、特定の好適な変形形態を参照してかなり詳細に説明したが、他の変形形態も可能である。したがって、添付の請求項の精神および範囲は、本明細書に含まれる説明および好適な変形形態に限定されるべきではない。本発明の様々な観点は、以下の制限されない例を参照して説明される。以下の例は説明の目的のみであり、いかなる方法でも本発明を制限するものとは解釈されない。
活性炭を充填した吸着槽内を流れる二酸化炭素で酸素を置換する際の動態について、工学的設計の目的で研究した。カーボンが充填されたカラムを不活性化するために必要な吸着床容積数はCO2ガス速度の関数として決定した。同様に、メタンが装填された活性炭カラムをCO2を流すことで不活性化する方法が研究され、輸送および安全性規制に準拠するために必要なパージの程度が決定された。
本試験の目的は、「使用済み」バイオガスカーボンフィルターシステムからメタンを安全に除去するためのCO2パージ流の有効性を評価し、そのため、すべての輸送および廃棄作業前の「安全性を確保する」ことであった。
Claims (14)
- バイオガスを精製する方法であって、
吸着材を含む吸着槽を提供する工程と、
前記吸着材をフラッシングガス(flushing gas)で洗い出し、洗い出し済み吸着材を作成する工程と、
前記洗い出し済み吸着材に前記バイオガスを接触させる工程と、
を有する方法。 - 請求項1記載の方法において、前記吸着材は、炭素質チャー(carbonaceous char)、活性炭、再活性炭、カーボンブラック、黒鉛、ゼオライト、シリカ、シリカゲル、アルミナ粘土、金属酸化物、またはそれらの組み合わせから成る群から選択される方法。
- 請求項1記載の方法において、前記吸着材は、触媒吸着材、酸化触媒吸着材、焼成触媒吸着材、酸化焼成触媒吸着材、およびそれらの組み合わせから選択される方法。
- 請求項1記載の方法において、前記フラッシングガスは二酸化炭素である方法。
- 請求項1記載の方法であって、バイオガス精製からの排ガスを再利用する工程と、前記吸着材に前記再利用排ガスを接触させる工程とを有する方法。
- 請求項5記載の方法において、前記再利用排ガスは二酸化炭素を含む方法。
- 請求項1記載の方法であって、さらに、二酸化炭素からバイオメタンを分離する工程を有し、前記二酸化炭素は前記フラッシングガスである方法。
- 請求項1記載の方法において、前記バイオガスはバイオメタンである方法。
- バイオガス精製システムであって、
少なくとも2つの吸着槽と、
前記少なくとも2つの吸着槽それぞれに二酸化炭素を供給するように構成された配管によって、前記少なくとも2つの吸着槽それぞれに操作可能に接続した、二酸化炭素からバイオメタンを分離するように構成および配置された分離機と、
前記配管それぞれに操作可能に接続し、かつ前記少なくとも2つの吸着槽それぞれに個別に二酸化炭素を供給するように配置されたバルブと、
を有するバイオガス精製システム。 - 請求項9記載のバイオガス精製システムにおいて、前記少なくとも2つの吸着槽それぞれが、各吸着槽から前記分離機にバイオガスを供給するように構成された配管によって、前記分離機に操作可能に接続しているバイオガス精製システム。
- 請求項9記載のバイオガス精製システムにおいて、前記少なくとも2つの吸着槽それぞれは、空気抜き弁をさらに有するバイオガス精製システム。
- 請求項9記載のバイオガス精製システムであって、さらに、各吸着槽にバイオガスを供給するように構成された配管によって、前記少なくとも2つの吸着槽に操作可能に接続したバイオガス供給源を有するバイオガス精製システム。
- 請求項9記載のバイオガス精製システムにおいて、前記分離機は、圧力スイング吸着槽であるバイオガス精製システム。
- 請求項9記載のバイオガス精製システムであって、さらに、バイオガス圧縮システム、硫化水素洗浄システム、除湿配管、1若しくはそれ以上の圧縮機、バイオガス洗浄システム、給水システム、蓄圧器、分析・処理システム、またはそれらの組み合わせを有するバイオガス精製システム。
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US201562169090P | 2015-06-01 | 2015-06-01 | |
US62/169,090 | 2015-06-01 | ||
PCT/US2016/034964 WO2016196436A1 (en) | 2015-06-01 | 2016-05-31 | Method for inerting activated carbon in biogas purification equipment |
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JP7020735B1 (ja) * | 2021-07-01 | 2022-02-16 | 独立行政法人石油天然ガス・金属鉱物資源機構 | ゼオライト吸着および除去システム、ならびにゼオライト吸着および除去方法 |
JP7122042B1 (ja) * | 2021-12-22 | 2022-08-19 | 独立行政法人石油天然ガス・金属鉱物資源機構 | パージ方法およびシステム |
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WO2020206317A1 (en) | 2019-04-03 | 2020-10-08 | Calgon Carbon Corporation | Perfluoroalkyl and polyfluoroalkyl sorbent materials and methods of use |
FR3096277B1 (fr) * | 2019-05-23 | 2021-09-10 | Air Liquide | Procédé de réglage d’une unité de production d’oxygène avec des consignes différentes pour chaque adsorbeur |
WO2022047501A1 (en) | 2020-08-31 | 2022-03-03 | Calgon Carbon Corporation | Copper and nitrogen treated sorbent and method for making same |
US20240060093A1 (en) * | 2022-08-16 | 2024-02-22 | Wastefuel Global Llc | Systems and methods for methanol production |
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JP7122042B1 (ja) * | 2021-12-22 | 2022-08-19 | 独立行政法人石油天然ガス・金属鉱物資源機構 | パージ方法およびシステム |
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AU2021290220A1 (en) | 2022-01-20 |
WO2016196436A1 (en) | 2016-12-08 |
AU2021290220B2 (en) | 2024-02-22 |
KR102532439B1 (ko) | 2023-05-16 |
MX2022003603A (es) | 2022-05-30 |
EP3302761A4 (en) | 2018-12-26 |
EP3302761A1 (en) | 2018-04-11 |
JP2021073333A (ja) | 2021-05-13 |
AU2016271299A1 (en) | 2017-12-14 |
CA2987621A1 (en) | 2016-12-08 |
US20200216374A1 (en) | 2020-07-09 |
JP7106275B2 (ja) | 2022-07-26 |
KR20180014770A (ko) | 2018-02-09 |
MX2017015463A (es) | 2018-11-12 |
BR112017025946A2 (pt) | 2018-08-14 |
US20160346723A1 (en) | 2016-12-01 |
HK1253703A1 (zh) | 2019-06-28 |
US11958803B2 (en) | 2024-04-16 |
US10633307B2 (en) | 2020-04-28 |
BR112017025946A8 (pt) | 2023-02-07 |
AU2016271299B2 (en) | 2021-09-23 |
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