JP2010043247A - 海藻類を用いたバイオエタノール製造用高圧液化抽出物及びその製造方法 - Google Patents
海藻類を用いたバイオエタノール製造用高圧液化抽出物及びその製造方法 Download PDFInfo
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Abstract
【解決手段】アナアオサ、カジメおよびフダラクなどの海藻類を用いて、圧力を500MPaから1000MPaまで上昇させて、温度は60−80℃であり、圧力媒介体として水又はオイルを用いて、前記海草類を高圧液化させる方法である。前記バイオエタノール製造方法は、高いグルコース収率で収得でき、発酵時間が短縮されて、結果的にバイオエタノールの生産収率が増加する長所がある。
【選択図】図1
Description
アナアオサに、試料重量に対してそれぞれ10倍の蒸溜水を抽出溶媒として添加して、垂直還流冷却器が取り付けられた抽出フラスコにて100℃で24時間2回抽出した。
試料重量に対してそれぞれ10倍の1%硫酸溶液を抽出溶媒として用いて、フラスコにて123℃で1時間抽出した。
アナアオサ100gに、圧力伝達媒介体として水を用いて、高圧液化抽出機により70℃で圧力を500MPaから1000MPaまで上昇させ、1000MPaを維持した状態で30分間グルコースを抽出した。図2は、抽出後のアナアオサの表面組織の写真を示している。図2から、高圧液化処理後はアナアオサの組織表面が破壊されていることが分かる。
実施例1と比較例1及び2から得られたグルコースの含量をDNS法によって求めると次の通りである:
よって、本発明では、高圧液化抽出物に対するアルコール発酵の可能性及び糖化中に発生し得る酵母生育阻害要素に因る生育阻害の有無を確認するために、一般的に用いられるアルコール発酵酵母(Saccharomyces cerevisiae,Aden Forbes Lab,Bakers Yeast,4330910)を利用した。これを利用して一定濃度(10%v/v〜35%v/v)の高圧液化抽出物を酵母抽出培地と混合して500mlを作った後、フラスコで培養した。
実施例1におけるアナアオサの高圧液化抽出物から、実施例2の酵母を用いた発酵及び蒸留過程を経てバイオエタノールを製造した。高圧液化抽出物を発酵槽(Bioengineering System)に入れて温度25℃、80rpmでアルコールを発酵させた。アルコールの発酵は嫌気性状態で行われた。発酵過程時、嫌気的又はマイクロ−エアレーション(micro-aeration)状態の維持のために攪拌を間欠的に行って、菌体が培養液内で一定濃度を維持するようにした。一定時間毎に一定量の発酵溶液を採水した後、4℃の冷蔵庫で保管した。生成されたアルコールの定量分析のために、サンプルを遠心分離して上澄液を試料として用い、熱伝導度検出器(TCD)を採用したガスクロマトグラフィー(HP 5890-II)を使用して分析し(コラム:Porapak Q)、薄層クロマトグラフィー(TLC)も併行した。
対象をアナアオサから褐藻類であるカジメ(乾燥重量1g)に代えて、実施例1による方法でグルコースを抽出した。比較のために、比較例2の酸処理方法のグルコース転換率を測定した。尚、カジメの炭水化物含量は28.9(%、w/w)で、グルコースの含量は15.7(%、w/w)である。下記の表3は、カジメの酸処理方法及び実施例1の方法のグルコース転換率の結果を纏めた表である。
実施例4で収得した試料をもって実施例3による方法でバイオエタノールを製造した。その結果、最大アルコール含量は2.8(%、v/v)であり、液状に存在するグルコース対比約78%のアルコールを収得できた。これは、1モルのグルコースから50%アルコール発酵収率を有するとする時、予想される最大理論値である3.2(%、v/v)に近接した値に該当する。
対象を紅藻類であるフダラク(乾燥重量1g)及び寒天(乾燥重量1g)にして、実施例1による方法でグルコースを抽出した。比較のために、比較例2の酸処理方法のグルコース転換率を測定した。尚、フダラク及び寒天の炭水化物含量はそれぞれ60.1、51.3(%、w/w)であり、グルコースの含量はそれぞれ45.9、15.3(%、w/w)である。下記の表4は、フダラク及び寒天の酸処理方法及び実施例1の方法のグルコース転換率の結果を纏めたものである。
実施例6で収得した試料をもって実施例3による方法でバイオエタノールを製造した。その結果、最大アルコール含量は、フダラクは9.4(%、v/v)、寒天は2.4(%、v/v)であり、液状に存在するグルコース対比それぞれ74%及び65%のアルコールを収得できた。
Claims (8)
- 圧力を500MPaから1000MPaまで上昇させて海藻類を液化させる方法。
- 温度は60〜80℃であることを特徴とする請求項1に記載の方法。
- 圧力媒介体として水又はオイルを用いることを特徴とする請求項1に記載の方法。
- 海藻類は、褐藻類、紅藻類及び緑藻類から構成された群から選択される何れか1つであることを特徴とする請求項1に記載の方法。
- 海藻類はアナアオサであることを特徴とする請求項4に記載の方法。
- 海藻類はカジメであることを特徴とする請求項4に記載の方法。
- 海藻類はフダラクであることを特徴とする請求項4に記載の方法。
- 海藻類は寒天であることを特徴とする請求項4に記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20080079138 | 2008-08-12 | ||
| KR1020080127852A KR100908425B1 (ko) | 2008-08-12 | 2008-12-16 | 해조류를 이용한 바이오에탄올 제조용 고압 액화 추출물 및이의 제조방법 |
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| Publication Number | Publication Date |
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| JP2010043247A true JP2010043247A (ja) | 2010-02-25 |
| JP4459294B2 JP4459294B2 (ja) | 2010-04-28 |
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| JP2009160068A Expired - Fee Related JP4459294B2 (ja) | 2008-08-12 | 2009-07-06 | 海藻類を用いたバイオエタノール製造用高圧液化抽出物及びその製造方法 |
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| Country | Link |
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| US (1) | US7763724B2 (ja) |
| JP (1) | JP4459294B2 (ja) |
| KR (1) | KR100908425B1 (ja) |
| CN (1) | CN101802206B (ja) |
| AU (1) | AU2008360491B2 (ja) |
| MY (1) | MY151203A (ja) |
| WO (1) | WO2010018901A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101097799B1 (ko) | 2009-01-30 | 2011-12-23 | 최영범 | 면역활성이 증진된 구멍갈파래 추출물의 제조방법 |
| US8450111B2 (en) | 2010-03-02 | 2013-05-28 | Streamline Automation, Llc | Lipid extraction from microalgae using a single ionic liquid |
| US8303818B2 (en) * | 2010-06-24 | 2012-11-06 | Streamline Automation, Llc | Method and apparatus using an active ionic liquid for algae biofuel harvest and extraction |
| TWI414362B (zh) | 2011-05-18 | 2013-11-11 | Ind Tech Res Inst | 萃取裝置 |
| KR101388924B1 (ko) * | 2012-08-06 | 2014-04-24 | 인하대학교 산학협력단 | 바이오디젤의 제조방법 |
| FR2998894B1 (fr) * | 2012-12-03 | 2015-07-31 | Seprosys | Procede de fractionnement d'algues et utilisation des molecules obtenues |
| US20140261075A1 (en) | 2013-03-12 | 2014-09-18 | University Of Louisiana At Lafayette | System and methods for treatment of biomass products or residues and resulting composition |
| US9416346B2 (en) | 2013-12-11 | 2016-08-16 | Metal Industries Research & Development Centre | Method of damaging cell structure of aquatic substance |
| KR20160046522A (ko) | 2014-10-21 | 2016-04-29 | 한국과학기술원 | 왕겨의 통합적 활용 방법 |
| CN105038867A (zh) * | 2015-06-11 | 2015-11-11 | 张家港市山牧新材料技术开发有限公司 | 一种生物能源燃料 |
| KR102391723B1 (ko) | 2021-11-24 | 2022-04-27 | 부경대학교 산학협력단 | 2-메틸펜탄올 추출에 의한 분리 효율이 높은 에탄올 분리장치 및 이 장치를 이용한 에탄올의 분리방법 |
| KR102490753B1 (ko) | 2022-08-09 | 2023-01-19 | 부경대학교 산학협력단 | 친환경적 공융용매를 이용한 에탄올 분리장치 및 이 장치를 이용한 에탄올의 분리방법 |
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| JPH028724A (ja) * | 1988-06-27 | 1990-01-12 | Shindengen Electric Mfg Co Ltd | 圧力検出装置 |
| JPH0568510A (ja) * | 1991-05-31 | 1993-03-23 | Taiyo Fishery Co Ltd | 食用藻類の品質保持方法 |
| US7135308B1 (en) * | 2006-02-28 | 2006-11-14 | Propulsion Logic, Llc | Process for the production of ethanol from algae |
| JP2007269767A (ja) | 2006-03-30 | 2007-10-18 | Ventuno:Kk | 藻類の加温加圧抽出方法 |
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- 2008-12-16 KR KR1020080127852A patent/KR100908425B1/ko not_active Expired - Fee Related
- 2008-12-17 AU AU2008360491A patent/AU2008360491B2/en not_active Ceased
- 2008-12-17 MY MYPI20105813 patent/MY151203A/en unknown
- 2008-12-17 WO PCT/KR2008/007489 patent/WO2010018901A1/en not_active Ceased
- 2008-12-17 CN CN2008800014806A patent/CN101802206B/zh not_active Expired - Fee Related
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- 2009-07-06 JP JP2009160068A patent/JP4459294B2/ja not_active Expired - Fee Related
- 2009-07-31 US US12/533,477 patent/US7763724B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100908425B1 (ko) | 2009-07-21 |
| MY151203A (en) | 2014-04-30 |
| US20100041926A1 (en) | 2010-02-18 |
| CN101802206A (zh) | 2010-08-11 |
| WO2010018901A1 (en) | 2010-02-18 |
| AU2008360491B2 (en) | 2012-05-10 |
| CN101802206B (zh) | 2013-02-27 |
| US7763724B2 (en) | 2010-07-27 |
| JP4459294B2 (ja) | 2010-04-28 |
| AU2008360491A1 (en) | 2010-02-18 |
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