JP2012024756A - 複合半透膜の製造方法 - Google Patents
複合半透膜の製造方法 Download PDFInfo
- Publication number
- JP2012024756A JP2012024756A JP2011138112A JP2011138112A JP2012024756A JP 2012024756 A JP2012024756 A JP 2012024756A JP 2011138112 A JP2011138112 A JP 2011138112A JP 2011138112 A JP2011138112 A JP 2011138112A JP 2012024756 A JP2012024756 A JP 2012024756A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- polyfunctional
- composite semipermeable
- porous support
- acid halide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 82
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000002253 acid Substances 0.000 claims abstract description 40
- 150000004820 halides Chemical class 0.000 claims abstract description 35
- 239000000243 solution Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 23
- 150000001412 amines Chemical class 0.000 claims abstract description 19
- 239000007864 aqueous solution Substances 0.000 claims abstract description 17
- 239000002346 layers by function Substances 0.000 claims abstract description 15
- 239000004952 Polyamide Substances 0.000 claims abstract description 13
- 229920002647 polyamide Polymers 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 150000003839 salts Chemical class 0.000 abstract description 13
- 230000035699 permeability Effects 0.000 abstract description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 18
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000012696 Interfacial polycondensation Methods 0.000 description 8
- 239000011148 porous material Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
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- 238000000576 coating method Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 229920002492 poly(sulfone) Polymers 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 4
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- 230000010933 acylation Effects 0.000 description 4
- 238000005917 acylation reaction Methods 0.000 description 4
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 description 4
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- 238000011156 evaluation Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- NSMWYRLQHIXVAP-UHFFFAOYSA-N 2,5-dimethylpiperazine Chemical compound CC1CNC(C)CN1 NSMWYRLQHIXVAP-UHFFFAOYSA-N 0.000 description 2
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- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 description 2
- NMJJFJNHVMGPGM-UHFFFAOYSA-N butyl formate Chemical compound CCCCOC=O NMJJFJNHVMGPGM-UHFFFAOYSA-N 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- WJTCGQSWYFHTAC-UHFFFAOYSA-N cyclooctane Chemical compound C1CCCCCCC1 WJTCGQSWYFHTAC-UHFFFAOYSA-N 0.000 description 2
- 239000004914 cyclooctane Substances 0.000 description 2
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- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
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- 238000005755 formation reaction Methods 0.000 description 2
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- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
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- 239000004745 nonwoven fabric Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- IREVRWRNACELSM-UHFFFAOYSA-J ruthenium(4+);tetrachloride Chemical compound Cl[Ru](Cl)(Cl)Cl IREVRWRNACELSM-UHFFFAOYSA-J 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 description 2
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Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
【解決手段】 多孔性支持膜上で多官能アミンと多官能酸ハロゲン化物を接触させてポリアミド分離機能層を形成する方法において、多孔性支持膜に多官能アミンを含む水溶液を接触させた後、多官能酸ハロゲン化物を含む溶液を接触させる前に、多官能酸ハロゲン化物を含まない液体Aを接触させることを特徴とする複合半透膜の製造方法。
【選択図】なし
Description
塩除去率(%) = 100×{1 - (透過水中の塩濃度 / 供給水中の塩濃度)}
(膜透過流束)
供給水(海水)の膜透過水量を、膜面1平方メートルあたり、1日あたりの透水量(立方メートル)でもって膜透過流束(m3/m2/日)を表した。
多孔性支持膜である布帛補強ポリスルホン支持膜(限外ろ過膜)は、次の手法により製造した。すなわち、単糸繊度0.5デシテックスのポリエステル繊維と1.5デシテックスのポリエステル繊維との混繊糸からなる、通気度0.7 cm3/cm2/秒、平均孔径7 mm以下の湿式不織布であって、縦30 cm、横20 cmの大きさのものを、ガラス板上に固定し、その上に、ジメチルホルムアミド(DMF)溶媒のポリスルホン濃度15重量%の溶液(20℃)を、総厚み210〜215 mmになるようにキャストし、直ちに水に浸漬してポリスルホンの多孔性支持膜を製造した。得られた多孔性支持膜をPS支持膜と記す。
実施例1において、浸漬させるmPDAの濃度、その後塗布する液体A、さらに塗布するTMC溶液の濃度を下記の表1に記載の通りに変更したこと以外は、実施例1と同様に複合半透膜を作製した。このようにして得られた複合半透膜の評価結果を下記の表1に示す。なお、混合溶媒(つまり液体A)における混合比はいずれも体積比である。
実施例1において、液体Aを用いることなく、直ちにTMC0.175重量%を含むn-デカン溶液の塗布を行ったこと以外は、実施例1と同様に複合半透膜を作製した。このようにして得られた複合半透膜の評価結果を下記の表1に示す。
比較例1において、浸漬させるmPDA濃度およびその後塗布するTMC溶液の濃度を下記の表1に記載の通りに変更したこと以外は、実施例1と同様に複合半透膜を作製した。このようにして得られた複合半透膜の評価結果を下記の表1に示す。
Claims (1)
- 多孔性支持膜上で多官能アミンと多官能酸ハロゲン化物を接触させてポリアミド分離機能層を形成する方法において、多孔性支持膜に多官能アミンを含む水溶液を接触させた後、多官能酸ハロゲン化物を含む溶液を接触させる前に、多官能酸ハロゲン化物を含まない液体Aを接触させることを特徴とする複合半透膜の製造方法。
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KR20160012148A (ko) * | 2013-05-30 | 2016-02-02 | 도레이 카부시키가이샤 | 복합 반투막 |
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JP2015147195A (ja) * | 2014-02-07 | 2015-08-20 | 日東電工株式会社 | スパイラル型分離膜エレメント |
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