JP7490606B2 - アミン含有水濃縮システム及び装置並びに二酸化炭素回収システム - Google Patents
アミン含有水濃縮システム及び装置並びに二酸化炭素回収システム Download PDFInfo
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- JP7490606B2 JP7490606B2 JP2021048952A JP2021048952A JP7490606B2 JP 7490606 B2 JP7490606 B2 JP 7490606B2 JP 2021048952 A JP2021048952 A JP 2021048952A JP 2021048952 A JP2021048952 A JP 2021048952A JP 7490606 B2 JP7490606 B2 JP 7490606B2
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims description 294
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 228
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims description 147
- 239000001569 carbon dioxide Substances 0.000 title claims description 147
- 150000001412 amines Chemical class 0.000 title claims description 75
- 239000007788 liquid Substances 0.000 claims description 71
- 238000010521 absorption reaction Methods 0.000 claims description 68
- 239000012528 membrane Substances 0.000 claims description 52
- 230000008929 regeneration Effects 0.000 claims description 47
- 238000011069 regeneration method Methods 0.000 claims description 47
- 230000003204 osmotic effect Effects 0.000 claims description 44
- -1 amine compounds Chemical class 0.000 claims description 36
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 4
- 235000000346 sugar Nutrition 0.000 claims description 3
- 150000008163 sugars Chemical class 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 38
- 238000004140 cleaning Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 12
- 230000001629 suppression Effects 0.000 description 12
- 239000012466 permeate Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000009292 forward osmosis Methods 0.000 description 7
- 238000000746 purification Methods 0.000 description 6
- 230000004043 responsiveness Effects 0.000 description 6
- 238000001223 reverse osmosis Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000005201 scrubbing Methods 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- UWSDONTXWQOZFN-UHFFFAOYSA-N N-nitrosopiperidine Chemical compound O=NN1CCCCC1 UWSDONTXWQOZFN-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- FSVCELGFZIQNCK-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)glycine Chemical compound OCCN(CCO)CC(O)=O FSVCELGFZIQNCK-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004693 Polybenzimidazole Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007998 bicine buffer Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011557 critical solution Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- CBLGQEBXWDKYDI-UHFFFAOYSA-N piperazine-1,4-dicarbaldehyde Chemical compound O=CN1CCN(C=O)CC1 CBLGQEBXWDKYDI-UHFFFAOYSA-N 0.000 description 1
- 229920002480 polybenzimidazole Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Description
図1は、第1の実施形態のアミン含有水濃縮システムを示す概略図である。
図2は、第2の実施形態のアミン含有水濃縮システム1を示す概略図である。図2において、第1の実施形態で説明した図1と同様な部材は、同符号を付して説明を省略する。
第2の実施形態に係るアミン含有水濃縮システム1において、二酸化炭素導入手段21と第1のチャンバ12を繋ぐ流路32にはポンプ22が介装されている。ポンプ22は、二酸化炭素導入手段21により二酸化炭素を溶解させた被処理水を、流路32を通して浸透圧発生器10の第1のチャンバ12に送出する際、当該被処理水を昇圧する機能を有する。
図3は、第3の実施形態のアミン含有水濃縮システム1を示す概略図である。図3において、第1実施形態で説明した図1と同様な部材は、同符号を付して説明を省略する。
図4は、第4の実施形態に係るアミン含有水濃縮システム1を示す概略図である。図4において、第1の実施形態で説明した図1と同様な部材は、同符号を付して説明を省略する。
第5の実施形態に係る二酸化炭素回収システムについて図5を参照して詳細に説明する。
第6の実施形態に係る二酸化炭素回収システムについて図6を参照して詳細に説明する。
以下に、出願当初の特許請求の範囲に記載された発明を付記する。
[1]
アミンを含有する被処理水を濃縮するシステムであって、
処理容器と、前記処理容器内に配置され、前記被処理水が供給される第1のチャンバ、作業媒体を収容可能な第2のチャンバ及び前記第1のチャンバと前記第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
前記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;
を備えるアミン含有水濃縮システム。
[2]
前記第1のチャンバ内に前記被処理水を供給するためのポンプをさらに備え、当該ポンプの最大吐出圧が1MPa以下である[1]に記載のアミン含有水濃縮システム。
[3]
前記被処理水を前記第1のチャンバに供給する流路に濾過部をさらに備える[1]又は[2]に記載のアミン含有水濃縮システム。
[4]
前記作業媒体は、無機塩、アミン化合物、糖類、極性転換化合物、及び下限臨界点溶液温度を持つ化合物の群から選ばれる少なくとも1つを含む[1]~[3]いずれか1つに記載のアミン含有水濃縮システム。
[5]
前記第1のチャンバで得られた濃縮水の浸透圧は、800mOsm以上である[1]~[4]いずれか1つに記載のアミン含有水濃縮システム。
[6]
[1]乃至[5]のうちいずれか1つに記載のアミン含有水濃縮システムを備える二酸化炭素回収システム。
[7]
吸収液補給タンクと、吸収塔と、再生塔とをさらに備える[6]に記載の二酸化炭素回収システム。
[8]
前記アミン含有濃縮システムにより得られる濃縮水は、前記吸収液補給タンク、前記吸収塔及び前記再生塔から選ばれる少なくとも1つに供給される[7]に記載の二酸化炭素回収システム。
[9]
処理容器と、
前記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、作業媒体を収容可能な第2のチャンバ及び前記第1のチャンバと前記第2のチャンバを区画する半透膜とを含む浸透圧発生器と、
前記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と、
を備えるアミン含有水濃縮装置。
Claims (9)
- アミンを含有する被処理水を濃縮するシステムであって、
処理容器と、前記処理容器内に配置され、前記被処理水が供給される第1のチャンバ、作業媒体を収容可能な第2のチャンバ及び前記第1のチャンバと前記第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
前記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、
前記作業媒体は、前記第2チャンバ内で正浸透圧を誘起する、アミン含有水濃縮システム。 - 前記第1のチャンバ内に前記被処理水を供給するためのポンプをさらに備え、当該ポンプの最大吐出圧が1MPa以下である請求項1に記載のアミン含有水濃縮システム。
- 前記被処理水を前記第1のチャンバに供給する流路に濾過部をさらに備える請求項1又は2に記載のアミン含有水濃縮システム。
- 前記作業媒体は、無機塩、アミン化合物、糖類、極性転換化合物、及び下限臨界点溶液温度を持つ化合物の群から選ばれる少なくとも1つを含む請求項1~3いずれか1項に記載のアミン含有水濃縮システム。
- 前記第1のチャンバで得られた濃縮水の浸透圧は、800mOsm以上である請求項1~4いずれか1項に記載のアミン含有水濃縮システム。
- 請求項1乃至5のうちいずれか1項に記載のアミン含有水濃縮システムを備える二酸化炭素回収システム。
- 吸収液補給タンクと、吸収塔と、再生塔とをさらに備える請求項6に記載の二酸化炭素回収システム。
- 前記アミン含有濃縮システムにより得られる濃縮水は、前記吸収液補給タンク、前記吸収塔及び前記再生塔から選ばれる少なくとも1つに供給される請求項7に記載の二酸化炭素回収システム。
- 処理容器と、
前記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、作業媒体を収容可能な第2のチャンバ及び前記第1のチャンバと前記第2のチャンバを区画する半透膜とを含む浸透圧発生器と、
前記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と、
を備え、
前記作業媒体は、前記第2チャンバ内で正浸透圧を誘起する、アミン含有水濃縮装置。
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