JP2005514955A - 有機系廃棄物からの生分解性の熱可塑性プラスチック材料の生産 - Google Patents
有機系廃棄物からの生分解性の熱可塑性プラスチック材料の生産 Download PDFInfo
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- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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Abstract
Description
(a) 揮発性有機酸を形成するために、酸生成の微生物群で有機系廃棄物を処理すること
(b) PHAsを形成するために、PHA生産微生物種による揮発性有機酸の重合
を含む。その特定のPHAsは短鎖(3から5の炭素)のモノマーか長鎖(6から14炭素)のモノマーのいずれかを含んでも良い。PHA生産微生物種は、例えば、ラルストニア・ユウトロファやプシュードモナスオレオボランスであっても良い。PHAポリマーの粘度平均分子量Mvは、50から100kDの範囲である。
(a) 酸素を伴わない、有機系廃棄物の酸生成のための第1の区画と、
(b) 酸素を伴った、ラルストニア・ユウトロファやプシュードモナスオレオボランスやそれらの混合の集積培養によるポリマー合成のための第2の区画と、
を含む。障壁の設備(barrier facility)は、その第1と第2の区画を連結する。それらの区画は、特質上バイオリアクタである。
例;
)。多量の有機酸が透析膜を通って移行することで、PHAは、ポリマー生成細胞に早く蓄積された。PHA蓄積率及びPHA濃度は、73時間でそれぞれ72.6%と16.5g/Lに達した(図4(b)
)。それらは、図3(a) のそれら(60.2%、6.5g/L)よりもかなり高かった。乾燥菌体質量は73時間で22.7g/Lに達した。その値は、高濃度膜で得られた値(11.3g/L)の2倍よりも高かった。さらに、得られたPHAは、ヒドロキシ酪酸(HB)とヒドロキシ吉草酸(HV)の共重合体であった。プロピオン及び酢酸から合成されたHVユニットはPHAの中に検出され、また、そのモル分率は、発酵時間のほとんどの間、約2.8%だった(図5)。対照的に、たとえ培養液中に少量のプロピオン酸(1.6mg/L)が検出されても(図3(b) )、シリコン高濃度膜で得られたPHAにはHVユニットは全く発見されなかった。
Claims (10)
- 有機系廃棄物を、ポリヒドロキシアルカノアート(PHAs)を含む生分解性の熱可塑性プラスチック材料に変換する方法であって、
(a)第1の区画で、酸生成の微生物群で有機系廃棄物を処理して、揮発性有機酸を形成するステップ、
及び
(b) 第2の区画で、ポリヒドロキシアルカノアート(PHA)生産微生物種により前記揮発性有機酸を重合して、ポリヒドロキシアルカノアート(PHAs)を生成するステップ、
を含み、
障壁を通過する分子拡散により前記揮発性有機酸が前記第1から前記第2の区画へ移動されるもの。 - ポリヒドロキシアルカノアート(PHA)生産微生物種が、ラルストニア・ユウトロファ又はプシュードモナスオレオボランスである、請求項1に記載の方法。
- (a) が嫌気的環境で起こり、(b) が好気的環境で起こる、請求項1に記載の方法。
- ポリヒドロキシアルカノアート(PHAs)が3から5の炭素のモノマーを含む、請求項1に記載の方法。
- ポリヒドロキシアルカノアート(PHAs)が6から14の炭素のモノマーを含む、請求項1に記載の方法。
- PHAが、ポリ(3−ヒドロキシブチレート)又はポリ(3−ヒドロキシブチレート−コ−3−ヒドロキシヘキサノアート)である、請求項1に記載の方法。
- 前記第1及び第2の区画がバイオリアクタである、請求項1に記載の方法。
- 有機系廃棄物を,ポリヒドロキシアルカノアート(PHAs)を含む生分解性の熱可塑性プラスチック材料に変換するシステムであって、前記システムは、
(a) 有機系廃棄物の酸生成のための第1の区画
及び
(b) ラルストニア・ユウトロファやプシュードモナスオレオボランスやそれらの混合が構成するPHA生産微生物種の集積培養によるポリマー合成のための第2の区画
を含み、
前記発酵酸が第1から第2の区画へ障壁を通って移動されるもの。 - 前記障壁が、2つの区画における微生物細胞、粒子及び水の混合を防止する、請求項8に記載のシステム。
- 前記障壁が、2つの区画における異なる培養状態を維持する、請求項8に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35016202P | 2002-01-16 | 2002-01-16 | |
PCT/US2003/001202 WO2003062439A1 (en) | 2002-01-16 | 2003-01-15 | Production of biodegradable thermoplastic materials from organic wastes |
Publications (2)
Publication Number | Publication Date |
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JP2005514955A true JP2005514955A (ja) | 2005-05-26 |
JP4255383B2 JP4255383B2 (ja) | 2009-04-15 |
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Application Number | Title | Priority Date | Filing Date |
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JP2003562306A Expired - Fee Related JP4255383B2 (ja) | 2002-01-16 | 2003-01-15 | 有機系廃棄物からの生分解性の熱可塑性プラスチック材料の生産 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7141400B2 (ja) |
JP (1) | JP4255383B2 (ja) |
KR (1) | KR100923070B1 (ja) |
CN (1) | CN1286983C (ja) |
HK (1) | HK1073866A1 (ja) |
MY (1) | MY131060A (ja) |
TW (1) | TWI268288B (ja) |
WO (1) | WO2003062439A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021534820A (ja) * | 2018-08-24 | 2021-12-16 | モハラム ベンチャーズ インコーポレイテッド. | 生分解性ポリマー組成物及びその製造法 |
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US7579176B2 (en) | 2003-10-15 | 2009-08-25 | Newlight Technologies, Llc | Method for the production of polyhydroxyalkanoic acid |
US8735113B2 (en) | 2003-10-15 | 2014-05-27 | Newlight Technologies, Llc | Methods and systems for production of polyhydroxyalkanoate |
US7745197B1 (en) | 2003-10-15 | 2010-06-29 | Newlight Technologies, Llc | Process for the utilization of ruminant animal methane emissions |
EP2781593B1 (en) * | 2005-08-22 | 2019-08-07 | Newlight Technologies, Inc. | Process for the treatment of methane emissions |
US7887893B2 (en) * | 2006-12-12 | 2011-02-15 | The Board Of Trustees Of The Leland Stanford Junior University | Bacterial poly(hydroxy alkanoate) polymer and natural fiber composites |
US7514525B2 (en) * | 2007-03-09 | 2009-04-07 | University Of Hawaii | Recovery and purification of polyhydroxyalkanoates |
BRPI0801845B1 (pt) * | 2008-06-09 | 2016-05-24 | Citrosuco S A Agroindústria | processo de obtenção de pha a partir de resíduo cítrico, pha obtido a partir de resíduo cítrico, composição polimérica contendo pha, artefato sólido contendo pha, artefato sólido contendo composição polimérica compreendendo pha, uso de resíduo cítrico para a obtenção de pha |
MY155003A (en) * | 2009-01-13 | 2015-08-28 | Plainexus Res Lab Sdn Bhd | A method for producing biodegradable resins |
BR112012008850B1 (pt) * | 2009-10-16 | 2018-11-21 | Bio On S.R.L. | processo para produção de materiais poliméricos biodegradáveis |
GB2478588A (en) * | 2010-03-12 | 2011-09-14 | G5 Internat Holdings Pte Ltd | Microbial production of polyhydroxyalkanoates (PHAs) using culture medium containing hydrogen |
WO2012122343A2 (en) | 2011-03-08 | 2012-09-13 | Newlight Technologies, Llc | Polyhydroxyalkanoate production method |
WO2012166822A2 (en) * | 2011-05-31 | 2012-12-06 | Micromidas Inc. | Method to produce polyhydroxyalkanoates from water-based feedstock streams |
CN102517369B (zh) * | 2011-12-16 | 2013-10-16 | 浙江大学宁波理工学院 | 高密度微生物混合发酵在氮限制下合成含苯聚羟基烷酸酯的方法 |
US9085784B1 (en) | 2012-03-29 | 2015-07-21 | Newlight Technologies, Llc | Polyhydroxyalkanoate production methods and materials and microorganisms used in same |
US20200347417A1 (en) | 2012-03-29 | 2020-11-05 | Newlight Technologies, Inc | Polyhydroxyalkanoate production methods and materials and microorganisms used in same |
WO2013181604A1 (en) | 2012-05-31 | 2013-12-05 | Micromidas, Inc. | Polyhydroxyalkanoate derivatives, preparation and uses thereof |
MA40767A (fr) | 2014-10-01 | 2017-08-08 | Eggplant S R L | Procédés de production de composites à matrice biopolymère |
EP3221460A1 (en) | 2014-11-20 | 2017-09-27 | Full Cycle Bioplastics Inc. | Producing polyhydroxyalkanoate copolymers from organic waste products |
FR3033166B1 (fr) | 2015-02-27 | 2017-03-10 | Afyren | Procede de production d'acides amines a partir de precurseurs obtenus par fermentation anaerobie a partir de biomasse fermentescible |
FR3033168B1 (fr) * | 2015-02-27 | 2017-03-10 | Afyren | Procede de production de polyhydroxyalcanoates a partir de precurseurs obtenus par fermentation anaerobie a partir de biomasse fermentescible |
US11549129B2 (en) | 2017-12-21 | 2023-01-10 | Genecis Bioindustries Inc. | Method for producing polyhydroxyalkanoates (PHA) from organic waste |
KR102548122B1 (ko) * | 2021-09-29 | 2023-06-28 | 한국에너지공과대학교 | 폴리하이드록시 알카노에이트의 제조방법, 이를 이용하여 제조된 폴리하이드록시 알카노에이트 및 폴리하이드록시 알카노에이트 제조용 건식 발효조 |
CN114774483B (zh) * | 2022-04-07 | 2023-08-25 | 江南大学 | 一种以蓝藻和副产乙酸为底物合成pha的方法及其应用 |
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DE4433134A1 (de) * | 1994-09-16 | 1996-03-21 | Buck Chem Tech Werke | Verfahren zur Herstellung von Polyhydroxyfettsäuren sowie rekombinanter Bakterienstämme zur Durchführung des Verfahrens |
US6103956A (en) * | 1998-03-31 | 2000-08-15 | Regents Of The University Of Minnesota | Polyhydroxyalkanoate synthesis in plants |
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JP2001178487A (ja) * | 1999-12-27 | 2001-07-03 | Canon Inc | 微生物ポリエステルの製造方法 |
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- 2003-01-15 CN CNB038022583A patent/CN1286983C/zh not_active Expired - Fee Related
- 2003-01-15 US US10/501,052 patent/US7141400B2/en not_active Expired - Lifetime
- 2003-01-15 WO PCT/US2003/001202 patent/WO2003062439A1/en active Search and Examination
- 2003-01-15 MY MYPI20030117A patent/MY131060A/en unknown
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- 2003-01-16 TW TW092100912A patent/TWI268288B/zh not_active IP Right Cessation
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Cited By (1)
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JP2021534820A (ja) * | 2018-08-24 | 2021-12-16 | モハラム ベンチャーズ インコーポレイテッド. | 生分解性ポリマー組成物及びその製造法 |
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CN1286983C (zh) | 2006-11-29 |
HK1073866A1 (en) | 2005-10-21 |
US20060088921A1 (en) | 2006-04-27 |
TWI268288B (en) | 2006-12-11 |
JP4255383B2 (ja) | 2009-04-15 |
CN1615366A (zh) | 2005-05-11 |
KR20040081456A (ko) | 2004-09-21 |
KR100923070B1 (ko) | 2009-10-22 |
US7141400B2 (en) | 2006-11-28 |
WO2003062439A1 (en) | 2003-07-31 |
TW200302238A (en) | 2003-08-01 |
MY131060A (en) | 2007-07-31 |
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