AMINE-CONTAINING WATER CONCENTRATION SYSTEM AND CARBON DIOXIDE RECOVERY SYSTEM

• Main Authors: SUZUKI AKIKO, HANDA YUSUKE, IMADA TOSHIHIRO, SANO KENJI
• Format: Patent
• Language: English; Japanese
• Published: 06.10.2022
• Subjects: CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

To provide an amine-containing concentration system capable of concentrating useful amine which reacts with carbon dioxide and reusing it as an absorption solution, and reducing an amount of wastewater containing amine compounds, and a carbon dioxide recovery system equipped with the amine-containing concentration system.SOLUTION: An amine-containing water concentration system according to an embodiment includes: a treatment vessel; an osmotic pressure generator located in the treatment vessel and including a first chamber to which treated water is supplied, a second chamber capable of storing a working medium, and a semipermeable membrane separating the first and second chambers; and carbon dioxide introduction means capable of introducing carbon dioxide into the treated water.SELECTED DRAWING: Figure 1 【課題】 二酸化炭素と反応する有用アミンを濃縮し、吸収液として再利用すること、アミン化合物を含む排水量を低減することが可能なアミン含有濃縮システム、及びアミン含有濃縮システムを備えた二酸化炭素回収システムを提供する。【解決手段】 実施形態に従うアミン含有水濃縮システムは、処理容器と、処理容器内に配置され、被処理水が供給される第１のチャンバおよび作業媒体を収容可能な第２のチャンバ及び第1のチャンバと第２のチャンバを区画する半透膜とを含む浸透圧発生器、および被処理水に二酸化炭素を導入可能な二酸化炭素導入手段を備える。【選択図】図１