JP4089914B2 - 被処理物の水熱反応装置 - Google Patents
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Description
CH2Cl2 + 2NaOH → CH2(OH)2 + 2NaCl
2CH2(OH)2 → CH3OH + HCOOH + H2O
図1に示す原料タンク1で自動車の廃エンジンオイル120Lにジクロロメタン50kg(Clとして1018kmolを含む)を溶解した組成物に固形分として5kgの酸性白土(密度:2500kg/m3、平均粒径0.05mm、輸送速度180℃:0.016m/s、200℃:0.017m/s)を加えたものに、酸の中和工程から排出された廃アルカリ(10%の水酸化ナトリウム及び12%の塩化ナトリウムを含む)550L(NaOHとして1.41kmolを含む)を混合した後、加圧ポンプ2により2.0MPaの圧力で100L/時間の割合で内径15mmの配管を用いて(流速:0.16m/s)加熱装置3に送り込んで180℃まで加温した。続いて被処理物を予め200℃の水で満たした内径150mm、高さ5mの縦型反応器4に導入し(流速:0.0016m/s)、補助ヒータにより反応温度200℃まで加温して水熱処理を行った。この時、被処理物の滞留時間は50分であった。被処理物は反応器4内を流通する間に脱塩アルコール化反応が起こる。そして、液状の反応生成物は第1の取出口4bから取り出され、冷却器7を通る間に約40℃まで冷却されてから背圧弁8を介して常圧に戻され、反応物タンク9にフラッシュした。
原料タンク1で自動車の廃エンジンオイル120Lにトリクロロエチレン50kg(Clとして0.38kmol)を溶解した組成物に水500L及び固形分として酸性白土(密度:2500kg/m3、平均粒径0.05mm、輸送速度200℃:0.017m/s、250℃:0.019m/s)5kgを混合した後、加圧ポンプ2により5.0MPakの圧力で100L/時の割合で内径15mmの配管を用いて(流速:0.16m/s)加熱装置3に送り込んで200℃まで加熱した。続いて被処理物を予め260℃の水で満たした内径150mm、高さ5mの縦型反応器4に導入し(流速:0.0016m/s)、補助ヒータにより反応温度250℃まで加温した。同時に、粉体補助タンク5で50.7kg(0.68kmol)の水酸化カルシウム及び50Lの水を混合し、生成したスラリーを加圧ポンプを備えた導入装置6により5.5MPaの圧力で11.8L/時の割合で第2の導入口4eのうち導入口Cより投入した。投入した水酸化カルシウムは反応器4中を沈降する間に亜臨界水等の高温高圧水に溶解し、反応器4中を上昇してくる被処理物中に含まれるトリクロロエチレンと水熱反応した。液状の反応生成物は第1の取出口4bから取り出され、冷却器7を通る間に約40℃まで冷却されてから背圧弁8を介して常圧に戻され、反応物タンク9にフラッシュした。
2 加圧ポンプ
3 加熱装置
4 反応器
4a 第1の導入口
4b 第1の取出口
4c 排出口
4d 第2の取出口
4e 第2の導入口
5 補助タンク
6 導入装置
7 冷却器
8 背圧弁
9 反応物タンク
10 固形分排出装置
11 背圧弁
12 固形物タンク
13、14 導出管
15 導入管
Claims (2)
- 有機化合物を含む被処理物と、亜臨界水等の高温高圧水とを反応させる縦型円筒状の反応器を備え、この反応器は下端部に不溶固形分を排出する排出口が設けられると共に、上端部に液状の反応生成物を取り出す第1の取出口が設けられており、更に反応器の下部に、水と混合した被処理物スラリーを所定の反応圧力に高めると共に、所定の反応温度に加熱した後に圧入する第1の導入口が設けられ、この第1の導入口より上方位置に、前記第1の導入口から水を導入して反応温度、反応圧力で反応器内を下部から上部に向けて流通させる上昇流の中を落下しながら溶解して水熱反応が行われるように密度の大きな被処理物を導入する第2の導入口が設けられ、前記第2の導入口は、前記反応器の側壁に高さ方向に沿って適宜の間隔をあけて複数設けられた導入口から構成され、前記被処理物の性状によって前記第1の導入口に代えて、前記複数の導入口のいずれかの導入口を選択使用することを特徴とする被処理物の水熱反応装置。
- 前記第2の導入口は、導入管を分岐した分岐管を介して並列に接続されると共に、それぞれの分岐管に開閉弁が配設され、これら開閉弁の開閉操作によりいずれかの導入口を選択することを特徴とする請求項1に記載の被処理物の水熱反応装置。
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Families Citing this family (8)
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JP2008255554A (ja) * | 2007-03-11 | 2008-10-23 | Osaka Prefecture Univ | 布地の処理方法 |
JP2009203291A (ja) * | 2008-02-26 | 2009-09-10 | Panasonic Electric Works Co Ltd | 分解装置と分解処理方法 |
JP5324798B2 (ja) * | 2008-02-27 | 2013-10-23 | 三菱重工業株式会社 | 汚染物質を含む処理残渣の処理方法、それに用いる容器 |
JP2010227805A (ja) * | 2009-03-26 | 2010-10-14 | Panasonic Electric Works Co Ltd | 連続処理装置 |
JP5558028B2 (ja) * | 2009-05-08 | 2014-07-23 | 株式会社東芝 | イオン交換樹脂の処理方法およびその処理装置 |
JP2011031226A (ja) * | 2009-08-06 | 2011-02-17 | Tokyo Institute Of Technology | 廃棄物脱塩方法及び廃棄物脱塩装置 |
JP6540548B2 (ja) * | 2016-03-01 | 2019-07-10 | 住友金属鉱山株式会社 | 塩化ニッケル水溶液の銅イオン除去方法、銅イオン除去処理装置 |
JP2022143665A (ja) * | 2021-03-18 | 2022-10-03 | 本田技研工業株式会社 | 加水分解連続処理装置及び加水分解連続処理方法 |
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