JP4883676B2 - イオン交換装置 - Google Patents
イオン交換装置 Download PDFInfo
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- JP4883676B2 JP4883676B2 JP2006036617A JP2006036617A JP4883676B2 JP 4883676 B2 JP4883676 B2 JP 4883676B2 JP 2006036617 A JP2006036617 A JP 2006036617A JP 2006036617 A JP2006036617 A JP 2006036617A JP 4883676 B2 JP4883676 B2 JP 4883676B2
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- JP
- Japan
- Prior art keywords
- exchange resin
- anion exchange
- ion
- ion exchange
- pss
- 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.)
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- 239000003957 anion exchange resin Substances 0.000 claims description 55
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 30
- 239000011148 porous material Substances 0.000 claims description 28
- 238000005342 ion exchange Methods 0.000 claims description 27
- 239000003729 cation exchange resin Substances 0.000 claims description 25
- 238000000354 decomposition reaction Methods 0.000 claims description 17
- 230000007935 neutral effect Effects 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- 125000002091 cationic group Chemical group 0.000 claims description 5
- 238000010612 desalination reaction Methods 0.000 claims description 4
- 229940023913 cation exchange resins Drugs 0.000 claims description 2
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 32
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000003456 ion exchange resin Substances 0.000 description 8
- 229920003303 ion-exchange polymer Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 229920001429 chelating resin Polymers 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005115 demineralization Methods 0.000 description 2
- 230000002328 demineralizing effect Effects 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000004028 organic sulfates Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- -1 ammonium ions Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229960002796 polystyrene sulfonate Drugs 0.000 description 1
- 239000011970 polystyrene sulfonate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
Images
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Description
水銀圧入法を用いた。
・測定分析装置:(株)島津製作所製”オートポア”9520形
・分析方法:60℃・5時間の条件で減圧乾燥した後、約5gの試料を標準セルに取り、初期圧20kPaで測定した。前処理条件としては、メタノール、トルエン、イソオクタンの順に、置換、脱水した(30mL(アニオン交換樹脂あたり)に対し、500mLを30分以上かけて通薬した)。そして、アスピレーターで抜液後、真空乾燥機(60℃、8時間)で乾燥した。
アニオン交換樹脂を塩酸で完全にClイオン形に変換した後、エタノールで過剰の塩酸を洗浄し、次いで硫酸ナトリウム(又は、硝酸ナトリウム)を流した時に流出したClイオンの量を中性塩分解容量とした。
・MW(分子量)10,000-30,000 :東ソー(株)製、”ポリナス”PS-1
・MW 4,800:AMERICAN POLYMER STANDERS CORP.製、MW4,800
・MW 1,400:AMERICAN POLYMER STANDERS CORP.製、MW1,400
(1) 樹脂量:アニオン交換樹脂100ml
(2) 樹脂層高:200mm
(3) 流速:LV100m/h(50L/H)
(4) 温度:42℃
ただし、PSSを直接定量できないので、図1に示すように、試料水1にPSS(2)を注入した後、紫外線3(UV)を照射し、生成するSO4をイオンクロマトグラフ4にて定量した。
HPLC(高速液体クロマトグラフィー)でPSSの分子分布を分析した。
(1)GFCカラム:TGKgel G2000SWXL, TGKgel G3000SWXL(7.8mmID×300mm)
(2)溶離液: 0.1M KH2PO4 /0.1M Na2HPO4 = 1/1, CH3CN(20%)
(3)流速: 1.0mL/min
(4)検出器: UV detector, 225nm
(5)注入量: 1.0mL
(6)標準物質:ポリスチレンスルホン酸(PSS)
(性能評価試験1)
分子量既知のPSS標準物質(H)を、表1に示す実施例1〜3、比較例1〜4の各アニオン交換樹脂に通薬し、PSS除去率を測定した。結果を表1に示す。なお、表1におけるMTCは、物質移動係数を示しており、該MTCは下記の方法で測定した。
K:物質移動係数「MTC」(m/sec)、
ε:空隙率、
R:イオン交換樹脂中のアニオン交換樹脂比率(体積分率)、
F:通水流量(m3/sec)、
A:イオン交換樹脂層断面積(m2)、
L:イオン交換樹脂層高(m)、
d:イオン交換樹脂粒径(m)、
C0:入口水の硫酸イオン濃度、
C:出口水の硫酸イオン濃度、
である。
表1に示した実施例1、2、比較例1のアニオン交換樹脂に、実際に、カチオン交換樹脂”アンバーライト”AJ1006からの溶出物を通水し、出入口の有機硫酸イオン濃度を測定した。結果を図2に示す。図2から分かるように、実施例1、2のアニオン交換樹脂を使用すると、比較例1のアニオン交換樹脂に比べ、実際の復水脱塩装置においてカチオン交換樹脂からの溶出物を、より効率よく吸着除去できることが確認された。
2 ポリスチレンスルホン酸(PSS)
3 紫外線分解装置(UV)
4 イオンクロマトグラフ
Claims (7)
- 中性塩分解容量が1.2〜1.28eq/L(アニオン交換樹脂あたり)、かつ、細孔容積が0.15〜0.22mL/gであるアニオン交換樹脂を、カチオン交換樹脂との混床形態で充填したことを特徴とするイオン交換装置。
- 中性塩分解容量が1.2〜1.28eq/L(アニオン交換樹脂あたり)、かつ、平均細孔径が5〜8.8nmであるアニオン交換樹脂を、カチオン交換樹脂との混床形態で充填したことを特徴とするイオン交換装置。
- 中性塩分解容量が1.2〜1.28eq/L(アニオン交換樹脂あたり)、細孔容積が0.15〜0.22mL/g、かつ、平均細孔径が5〜8.8nmであるアニオン交換樹脂を、カチオン交換樹脂との混床形態で充填したことを特徴とするイオン交換装置。
- 前記カチオン交換樹脂がゲル形カチオン交換樹脂からなる、請求項1〜3のいずれかに記載のイオン交換装置。
- 充填層が少なくとも2層あり、最下流層が前記アニオン交換樹脂からなる層に形成されている、請求項1〜4のいずれかに記載のイオン交換装置。
- 脱塩装置からなる、請求項1〜5のいずれかに記載のイオン交換装置。
- 発電所の復水脱塩装置からなる、請求項6に記載のイオン交換装置。
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JP2006036617A JP4883676B2 (ja) | 2006-02-14 | 2006-02-14 | イオン交換装置 |
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JP2006036617A JP4883676B2 (ja) | 2006-02-14 | 2006-02-14 | イオン交換装置 |
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JP2007216094A JP2007216094A (ja) | 2007-08-30 |
JP4883676B2 true JP4883676B2 (ja) | 2012-02-22 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US9115010B2 (en) * | 2008-06-11 | 2015-08-25 | Organo Corporation | Demineralizer of primary coolant system in pressurized-water reactor power plant and method for purifying primary cooling water in pressurized-water reactor power plant |
JP4938730B2 (ja) * | 2008-06-11 | 2012-05-23 | オルガノ株式会社 | 加圧水型原子力発電所の一次冷却系の脱塩装置および一次冷却水の浄化方法 |
JP5380215B2 (ja) * | 2009-09-07 | 2014-01-08 | 株式会社荏原製作所 | 復水脱塩装置及び復水脱塩方法 |
JP7179641B2 (ja) * | 2019-02-20 | 2022-11-29 | 水ing株式会社 | 陰イオン交換樹脂の性能評価方法、純水の製造方法及び水処理システム |
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JP3232699B2 (ja) * | 1992-10-13 | 2001-11-26 | 三菱化学株式会社 | 多孔性アニオン交換樹脂及びその製造方法 |
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