JP2013544099A5 - - Google Patents
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- JP2013544099A5 JP2013544099A5 JP2013540098A JP2013540098A JP2013544099A5 JP 2013544099 A5 JP2013544099 A5 JP 2013544099A5 JP 2013540098 A JP2013540098 A JP 2013540098A JP 2013540098 A JP2013540098 A JP 2013540098A JP 2013544099 A5 JP2013544099 A5 JP 2013544099A5
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Description
充填床反応器に合わせて、
・完全または不完全真空を作り出すために空気を排出すること、
・84.7psia(584キロパスカル)で動作するボイラーからの飽和蒸気を加えること、
・無水アンモニアを加えること、
・反応後、プロセス蒸気を排出すること、
・反応後、真空を破るために空気を加えること
を可能する管接合部が作られた。
本発明の具体的態様のいくつかを以下に例示的に列挙する。
(1)バイオマスを処理して前処理済みバイオマスを生産する方法であって、
a)少なくとも約60%の乾物含量を有するバイオマスを提供するステップ、
b)連続的に供給することによって(a)の前記バイオマスを静止形前処理槽に装荷し、それによって前記槽中の前記装荷バイオマスが、前記槽を通って移動するステップ、
c)前記槽内の総含水量が40質量%未満(前記槽内の総質量に対して測定される)残存する条件下で、(b)の前記装荷バイオマスを、それが前記前処理槽を通って移動している最中に、少なくとも約4%(前記槽内の前記バイオマスの乾燥質量に対して測定される)の無水アンモニアと接触させ、それによって前記バイオマスの大部分にアンモニア蒸気を浸透させるステップ、および
d)前記バイオマスを前記前処理槽から排出させるステップ
を含み、
前記槽から排出される前記バイオマスが前処理済みバイオマス生産物である、方法。
(2)(d)の排出のステップ後に、蒸気が前処理済みバイオマス生産物から分離される、(1)に記載の方法。
(3)蒸気がアンモニア蒸気を含み、それが回収されて前処理槽またはアンモニア蒸気取扱システムに再利用される、(2)に記載の方法。
(4)ステップ(d)後に、前処理済みバイオマス生産物が回収される、(1)に記載の方法。
(5)ステップ(c)後に、装荷バイオマスが、約10分間から約5時間の滞留時間で前処理槽を通って進む、(1)に記載の方法。
(6)無水アンモニアをバイオマスと約5時間未満のあいだ接触させる、(1)に記載の方法。
(7)槽内のバイオマスの温度が少なくとも約70℃である、(1)に記載の方法。
(8)槽の温度を、ステップ(b)の前に少なくとも約70℃まで上昇させる、(1)に記載の方法。
(9)ステップ(b)前の温度が、約70℃から約190℃である、(8)に記載の方法。
(10)温度を、高温ガスを注入することによって直接に、または槽に熱を加えることによって間接的に上昇させる、(8)に記載の方法。
(11)ステップ(c)における無水アンモニアの濃度が、約20%未満(槽内のバイオマスの乾燥質量に対して測定される)である、(1)に記載の方法。
(12)槽内の圧力が、ステップ(b)〜(d)にわたって約0から20ゲージ圧である、(1)に記載の方法。
(13)(a)の前記バイオマスが、機械的にサイズを小さくしたバイオマスである、(1)に記載の方法。
(14)バイオマスが、セルロース、ヘミセルロース、およびリグニンを含むセルロース系バイオマスである、(1)に記載の方法。
(15)バイオマスが、トウモロコシの穂軸、トウモロコシの皮、トウモロコシの茎葉、草、小麦わら、大麦わら、カラスムギわら、菜種わら、干し草、稲わら、スイッチグラス、ススキ、コードグラス、クサヨシ、紙くず、サトウキビの絞りかす、モロコシの絞りかすまたはわら、大豆わら、穀物の製粉から得られる成分、樹木、枝、根、葉、木材チップ、おがくず、低木および灌木、野菜、果実、花、および動物厩肥からなる群から選択される、(14)に記載の方法。
To suit the packed bed reactor,
Exhausting air to create a complete or incomplete vacuum,
Adding saturated steam from a boiler operating at 84.7 psia (584 kilopascals);
Adding anhydrous ammonia,
・ Exhaust process steam after reaction,
• After the reaction, a tube joint was made that allowed air to be added to break the vacuum.
Some specific embodiments of the present invention are listed below as an example.
(1) A method of processing biomass to produce pretreated biomass,
a) providing biomass having a dry matter content of at least about 60%;
b) loading the biomass of (a) into a stationary pretreatment tank by continuously feeding, whereby the loaded biomass in the tank moves through the tank;
c) Under the condition that the total water content in the tank remains below 40% by mass (measured with respect to the total mass in the tank), the loaded biomass of (b) is treated with the pretreatment tank. While moving through, it is contacted with at least about 4% anhydrous ammonia (measured with respect to the dry mass of the biomass in the vessel), thereby penetrating the majority of the biomass with ammonia vapor. Step to make, and
d) discharging the biomass from the pretreatment tank
Including
The method wherein the biomass discharged from the tank is a pretreated biomass product.
(2) The method according to (1), wherein the steam is separated from the pretreated biomass product after the step of discharging in (d).
(3) The method according to (2), wherein the vapor contains ammonia vapor, which is recovered and reused in a pretreatment tank or an ammonia vapor handling system.
(4) The method according to (1), wherein the pretreated biomass product is recovered after step (d).
(5) The method of (1), wherein after step (c), the loaded biomass travels through the pretreatment tank with a residence time of about 10 minutes to about 5 hours.
(6) The method according to (1), wherein anhydrous ammonia is contacted with the biomass for less than about 5 hours.
(7) The method according to (1), wherein the temperature of the biomass in the tank is at least about 70 ° C.
(8) The method of (1), wherein the temperature of the vessel is increased to at least about 70 ° C. prior to step (b).
(9) The method according to (8), wherein the temperature before step (b) is from about 70 ° C to about 190 ° C.
(10) The method according to (8), wherein the temperature is increased directly by injecting a hot gas or indirectly by applying heat to the bath.
(11) The method according to (1), wherein the concentration of anhydrous ammonia in step (c) is less than about 20% (measured with respect to the dry mass of biomass in the tank).
(12) The method according to (1), wherein the pressure in the tank is about 0 to 20 gauge pressure over steps (b) to (d).
(13) The method according to (1), wherein the biomass in (a) is biomass that has been mechanically reduced in size.
(14) The method according to (1), wherein the biomass is a cellulosic biomass containing cellulose, hemicellulose, and lignin.
(15) Biomass is corn cob, corn peel, corn stover, grass, wheat straw, barley straw, oat straw, rapeseed straw, hay, rice straw, switchgrass, Japanese pampas grass, cordgrass, crisp, paper waste, From sugarcane pomace, sorghum pomace or straw, soy straw, cereal milling ingredients, trees, branches, roots, leaves, wood chips, sawdust, shrubs and shrubs, vegetables, fruits, flowers, and animal manure The method according to (14), which is selected from the group consisting of:
Claims (1)
a)少なくとも約60%の乾物含量を有するバイオマスを提供するステップ、
b)連続的に供給することによって(a)の前記バイオマスを静止形前処理槽に装荷し、それによって前記槽中の前記装荷バイオマスが、前記槽を通って移動するステップ、
c)前記槽内の総含水量が40質量%未満(前記槽内の総質量に対して測定される)残存する条件下で、(b)の前記装荷バイオマスを、それが前記前処理槽を通って移動している最中に、少なくとも約4%(前記槽内の前記バイオマスの乾燥質量に対して測定される)の無水アンモニアと接触させ、それによって前記バイオマスの大部分にアンモニア蒸気を浸透させるステップ、および
d)前記バイオマスを前記前処理槽から排出させるステップ
を含み、
前記槽から排出される前記バイオマスが前処理済みバイオマス生産物である、方法。 A method of processing biomass to produce pretreated biomass,
a) providing biomass having a dry matter content of at least about 60%;
b) loading the biomass of (a) into a stationary pretreatment tank by continuously feeding, whereby the loaded biomass in the tank moves through the tank;
c) Under the condition that the total water content in the tank remains below 40% by mass (measured with respect to the total mass in the tank), the loaded biomass of (b) is treated with the pretreatment tank. While moving through, it is contacted with at least about 4% anhydrous ammonia (measured with respect to the dry mass of the biomass in the vessel), thereby penetrating the majority of the biomass with ammonia vapor. And d) discharging the biomass from the pretreatment tank,
The method wherein the biomass discharged from the tank is a pretreated biomass product.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41648410P | 2010-11-23 | 2010-11-23 | |
US61/416,484 | 2010-11-23 | ||
PCT/US2011/061617 WO2012071312A2 (en) | 2010-11-23 | 2011-11-21 | Continuously fed biomass pretreatment process for a packed bed reactor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013544099A JP2013544099A (en) | 2013-12-12 |
JP2013544099A5 true JP2013544099A5 (en) | 2014-10-23 |
Family
ID=45094804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013540098A Pending JP2013544099A (en) | 2010-11-23 | 2011-11-21 | Continuous feed biomass pretreatment method for packed bed reactors |
Country Status (8)
Country | Link |
---|---|
US (1) | US20120125548A1 (en) |
EP (1) | EP2643517A2 (en) |
JP (1) | JP2013544099A (en) |
CN (1) | CN103282579A (en) |
AU (1) | AU2011332103B2 (en) |
BR (1) | BR112013007632A2 (en) |
CA (1) | CA2817389A1 (en) |
WO (1) | WO2012071312A2 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007130337A1 (en) | 2006-05-01 | 2007-11-15 | Michigan State University | Process for the treatment of lignocellulosic biomass |
US9206446B2 (en) * | 2006-05-01 | 2015-12-08 | Board Of Trustees Of Michigan State University | Extraction of solubles from plant biomass for use as microbial growth stimulant and methods related thereto |
US8968515B2 (en) | 2006-05-01 | 2015-03-03 | Board Of Trustees Of Michigan State University | Methods for pretreating biomass |
US8367378B2 (en) * | 2007-10-03 | 2013-02-05 | Board Of Trustees Of Michigan State University | Process for producing sugars and ethanol using corn stillage |
US10457810B2 (en) | 2009-08-24 | 2019-10-29 | Board Of Trustees Of Michigan State University | Densified biomass products containing pretreated biomass fibers |
BRPI1007699B8 (en) | 2009-08-24 | 2021-03-23 | Univ Michigan State | product, packaged product and process |
US8945245B2 (en) | 2009-08-24 | 2015-02-03 | The Michigan Biotechnology Institute | Methods of hydrolyzing pretreated densified biomass particulates and systems related thereto |
CN102939388B (en) | 2010-04-19 | 2016-08-03 | 密歇根州立大学董事会 | Lignocellulose biomass and extract and preparation method thereof can be digested |
US20120125551A1 (en) * | 2010-11-23 | 2012-05-24 | E. I. Du Pont De Nemours And Company | Biomass pretreatment process for a packed bed reactor |
WO2013131015A1 (en) | 2012-03-02 | 2013-09-06 | Board Of Trustees Of Michigan State University | Methods for increasing sugar yield with size-adjusted lignocellulosic biomass particles |
US8715464B2 (en) * | 2012-05-21 | 2014-05-06 | Pure Pulp Products, Inc. | Soy stalk and wheat straw pulp fiber mixtures |
US20140273105A1 (en) * | 2013-03-12 | 2014-09-18 | E I Du Pont De Nemours And Company | Gradient pretreatment of lignocellulosic biomass |
CN103992144B (en) * | 2014-05-20 | 2016-03-30 | 中国科学技术大学 | A kind of method being prepared nitrogenous carbon material by biomass pyrolytic carbonization |
BR112017025376B1 (en) * | 2015-10-08 | 2022-04-12 | Sulzer Management Ag | Method and arrangement for biomass treatment |
US10730958B2 (en) | 2017-03-08 | 2020-08-04 | Board Of Trustees Of Michigan State University | Pretreatment of densified biomass using liquid ammonia and systems and products related thereto |
US11440999B2 (en) | 2017-07-07 | 2022-09-13 | Board Of Trustees Of Michigan State University | De-esterification of biomass prior to ammonia pretreatment |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1381728A (en) * | 1971-10-01 | 1975-01-29 | Thillaimuthu J | Production of cellulose pulp for paper and paper board |
US4064276A (en) | 1976-08-04 | 1977-12-20 | Worsk Hydro A.S | Process for the production of ammoniated straw and other plant materials containing lignocellulose |
US5037663A (en) * | 1981-10-14 | 1991-08-06 | Colorado State University Research Foundation | Process for increasing the reactivity of cellulose-containing materials |
DE19916347C1 (en) * | 1999-04-12 | 2000-11-09 | Rhodia Acetow Ag | Process for separating biomass containing lignocellulose |
EP1204755B1 (en) | 1999-08-18 | 2006-08-09 | E.I. Du Pont De Nemours And Company | Process for the biological production of 1,3-propanediol |
AU1584201A (en) * | 1999-11-02 | 2001-05-14 | Waste Energy Integrated Sytems, Llc | Process for the production of organic products from lignocellulose containing biomass sources |
US7223575B2 (en) | 2000-05-01 | 2007-05-29 | Midwest Research Institute | Zymomonas pentose-sugar fermenting strains and uses thereof |
BRPI0612966B1 (en) * | 2005-04-12 | 2017-12-05 | E.I.Du Pont De Nemours And Company | METHOD FOR THE TREATMENT OF BIOMASS |
JP5276986B2 (en) | 2005-10-26 | 2013-08-28 | ビュータマックス・アドバンスド・バイオフューエルズ・エルエルシー | Fermentative production of four-carbon alcohol |
WO2007130337A1 (en) * | 2006-05-01 | 2007-11-15 | Michigan State University | Process for the treatment of lignocellulosic biomass |
EP2271743A2 (en) | 2008-03-27 | 2011-01-12 | E. I. du Pont de Nemours and Company | Zymomonas with improved xylose utilization |
US8241873B2 (en) * | 2008-12-19 | 2012-08-14 | E I Du Pont De Nemours And Company | Organic solvent pretreatment of biomass to enhance enzymatic saccharification |
WO2010080489A1 (en) * | 2008-12-19 | 2010-07-15 | E. I. Du Pont De Nemours And Company | Ozone treatment of biomass to enhance enzymatic saccharification |
AU2010307151A1 (en) * | 2009-10-12 | 2012-04-12 | E. I. Du Pont De Nemours And Company | Ammonia pretreatment of biomass for improved inhibitor profile |
CN102939388B (en) * | 2010-04-19 | 2016-08-03 | 密歇根州立大学董事会 | Lignocellulose biomass and extract and preparation method thereof can be digested |
-
2011
- 2011-11-16 US US13/297,413 patent/US20120125548A1/en not_active Abandoned
- 2011-11-21 AU AU2011332103A patent/AU2011332103B2/en not_active Ceased
- 2011-11-21 CA CA2817389A patent/CA2817389A1/en not_active Abandoned
- 2011-11-21 EP EP11791397.0A patent/EP2643517A2/en not_active Withdrawn
- 2011-11-21 BR BR112013007632A patent/BR112013007632A2/en not_active IP Right Cessation
- 2011-11-21 WO PCT/US2011/061617 patent/WO2012071312A2/en active Application Filing
- 2011-11-21 JP JP2013540098A patent/JP2013544099A/en active Pending
- 2011-11-21 CN CN2011800560690A patent/CN103282579A/en active Pending
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