JP5118211B2 - 前加水分解と水蒸気爆裂前処理の連続プロセスを使用するヘミセルロースの前抽出のための装置 - Google Patents
前加水分解と水蒸気爆裂前処理の連続プロセスを使用するヘミセルロースの前抽出のための装置 Download PDFInfo
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- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Description
供給材を受容する第一加圧反応器であって、供給材が加水分解を受ける第一加圧反応器;
第一加圧反応器の供給材排出ポートに通ずる第一加圧カップリング、および第二加圧反応器に通ずる第二加圧カップリングを有するシール装置;
第一加圧反応器とシール装置の内の少なくとも一つの供給材から抽出された溶解ヘミセルロース材を含む液体を排出する廃液管;
第一加圧反応器の圧力より実質的に高い圧力でシール装置から加圧供給材を受容する第二加圧反応器アセンブリ、
および第二加圧反応器アセンブリの下流に位置する膨張装置を備え、
この膨張装置が第二加圧反応器から排出された供給材の圧力を急速に解放することによって、供給材が水蒸気爆裂反応を受け、
第一反応器と第二反応器各々が、スチーム直接加熱を受けるスチーム相および供給材を反応または加熱する液相を有すること
を含む。
供給材を受容する第一加圧反応器であって、供給材が1.5バール(ゲージ)〜6バール(ゲージ)またはそれより高い圧力の範囲のゲージ圧と少なくとも110℃の温度で加水分解を受ける第一加圧反応器;
第一加圧反応器の供給材排出ポートに通ずる第一加圧カップリングおよび第二加圧反応器に通ずる第二加圧カップリングを備えるシール兼抽出装置;
第一加圧反応器とシール兼抽出装置の内の少なくとも一つの供給材に洗浄液を導入する洗浄工程;
第一加圧反応器とシール兼抽出装置の内の少なくとも一つの供給材から抽出された溶解ヘミセルロース材を含む液体を除去する廃液管;
シール兼抽出装置から加圧供給材を受容し、第二加圧反応器の供給材にスチームまたは水蒸気を染み込ませる第二加圧反応器アセンブリであって、8バール(ゲージ)〜25.5バール(ゲージ)の範囲のゲージ圧が供給材に加えられ、排出導管に接続された加圧排出部を有する第二加圧反応器アセンブリ、
および第二加圧反応器アセンブリの下流に位置する膨張装置を備え、
膨張装置が、第二加圧反応器から排出された供給材の圧力を急速に解放して、供給材が水蒸気爆裂反応を受けること
を含む。
Claims (14)
- セルロース系バイオマス供給材を前処理するための装置が、
供給材を受容する第一加圧反応器であって、供給材が加水分解を受ける第一加圧反応器;
第一加圧反応器の供給材排出ポートに通ずる第一加圧カップリング、および第二加圧反応器に通ずる第二加圧カップリングを有する加圧シール兼抽出装置;
第一加圧反応器と加圧シール兼抽出装置の内の少なくとも一つの供給材から抽出された溶解ヘミセルロース材を含む液体を排出する廃液管;
第一加圧反応器の圧力より実質的に高い圧力で加圧シール兼抽出装置から加圧供給材を受容する第二加圧反応器アセンブリ、および
第二加圧反応器アセンブリの下流に位置する膨張装置を備え、
この膨張装置が第二加圧反応器から排出された供給材の圧力を急速に解放することによって、供給材が水蒸気爆裂反応を受け、
第一加圧反応器と第二加圧反応器各々が、スチーム直接加熱を受けるスチーム相および供給材を反応または加熱する液相を有すること
を含むことを特徴とする装置。 - 第一加圧反応器が、供給材を受容する下部領域と供給材排出ポートを有する上部領域とを備え、廃液管が、下部領域に位置し、第一加圧反応器からの溶解ヘミセルロース材を排出する請求項1の装置。
- 第一加圧反応器が傾斜して配置され、供給材排出ポートが反応器の下端に位置する請求項1の装置。
- 溶解ヘミセルロース材を排出する廃液管が減圧弁経由でタンクに通ずる請求項1〜3のいずれかの装置。
- 温和な酸、二酸化硫黄ガス(SO2)、酸素、圧縮空気、アンモニア、水蒸気、水または他の触媒の内の少なくとも一つの供給源をさらに備え、
供給源が、第一加圧反応器または第二加圧反応器の内の少なくとも一つの入口に接続される請求項1〜4のいずれかの装置。 - 加圧シール兼抽出装置が、加圧スクリューフィーダーである請求項1〜5のいずれかの装置。
- 第二加圧反応器アセンブリが、第二加圧反応器、および第二加圧反応器の供給材排出ポートに接続した反応器排出装置を備える請求項1〜6のいずれかの装置。
- セルロース系バイオマス供給材を前処理するための装置が、
供給材を受容する第一加圧反応器であって、供給材が1.5バール(ゲージ)〜6バール(ゲージ)の範囲のゲージ圧と少なくとも110℃の温度で加水分解を受ける第一加圧反応器;
第一加圧反応器の供給材排出ポートに通ずる第一加圧カップリングおよび第二加圧反応器に通ずる第二加圧カップリングを備える加圧シール兼抽出装置;
第一加圧反応器と加圧シール兼抽出装置の内の少なくとも一つの供給材に洗浄液を導入する洗浄手段;
第一加圧反応器と加圧シール兼抽出装置の内の少なくとも一つの供給材から抽出された溶解ヘミセルロース材を含む液体を除去する廃液管;
加圧シール兼抽出装置から加圧供給材を受容し、第二加圧反応器の供給材にスチームまたは水蒸気を染み込ませる第二加圧反応器アセンブリであって、8バール(ゲージ)〜25.5バール(ゲージ)の範囲のゲージ圧が供給材に加えられ、排出導管に接続された加圧排出部を有する第二加圧反応器アセンブリ、および
第二加圧反応器アセンブリの下流に位置する膨張装置を備え、
膨張装置が、第二加圧反応器から排出された供給材の圧力を急速に解放して、供給材が水蒸気爆裂反応を受けること
を含むことを特徴とする前処理のための装置。 - 加圧シール兼抽出装置が、加圧シール兼抽出装置からの溶解ヘミセルロース材を排出する廃液管を備える請求項8の装置。
- 第二加圧反応器アセンブリが、第二加圧反応器、および第二圧力反応器の加圧供給材排出ポートに接続された反応器排出装置を備える請求項8または9の装置。
- 反応器排出装置が、ディスク型ミルリファイナー、中密度ファイバーボード(MDF)ディスク型リファイナー、ディスク型高圧圧縮機またはプラグ型排出フィーダーの内の少なくとも一つを備える請求項10の装置。
- 膨張装置が、供給材の圧力を少なくとも10バール減少させる請求項8〜11のいずれかの装置。
- 第一加圧反応器が傾斜して、第一加圧反応器の下端が、第一加圧反応器の供給材排出ポートを有する端の反対側に位置し、第一加圧反応器の下端にある廃液管により、第一加圧反応器から溶解ヘミセルロース材を排出する請求項8〜12のいずれかの装置。
- 温和な酸、二酸化硫黄ガス(SO2)、酸素、圧縮空気、アンモニアと触媒、水蒸気、水の内の少なくとも一つの供給源をさらに備え、供給源が、第一加圧反応器または第二加圧反応器の内の少なくともの一つの入口に接続される請求項8〜13のいずれかの装置。
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PCT/US2009/035273 WO2009108773A2 (en) | 2008-02-28 | 2009-02-26 | System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process |
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