JPH01218680A - Method for monitoring break of ion-exchange apparatus - Google Patents
Method for monitoring break of ion-exchange apparatusInfo
- Publication number
- JPH01218680A JPH01218680A JP63042972A JP4297288A JPH01218680A JP H01218680 A JPH01218680 A JP H01218680A JP 63042972 A JP63042972 A JP 63042972A JP 4297288 A JP4297288 A JP 4297288A JP H01218680 A JPH01218680 A JP H01218680A
- Authority
- JP
- Japan
- Prior art keywords
- break
- ion exchange
- evaporation residue
- ion
- silica
- 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
- 238000005342 ion exchange Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims description 12
- 238000012544 monitoring process Methods 0.000 title claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000001704 evaporation Methods 0.000 claims abstract description 45
- 230000008020 evaporation Effects 0.000 claims abstract description 44
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 150000001450 anions Chemical class 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 239000008119 colloidal silica Substances 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract 3
- 239000002245 particle Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000443 aerosol Substances 0.000 claims description 6
- 239000003957 anion exchange resin Substances 0.000 claims description 5
- 239000003729 cation exchange resin Substances 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 229940023913 cation exchange resins Drugs 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 claims 1
- 150000001768 cations Chemical class 0.000 abstract description 11
- 150000002500 ions Chemical class 0.000 abstract description 6
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 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 description 7
- 239000010419 fine particle Substances 0.000 description 5
- 229910001415 sodium ion Inorganic materials 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000003456 ion exchange resin Substances 0.000 description 4
- 229920003303 ion-exchange polymer Polymers 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、カチオン交換樹脂およびアニオン交換樹脂を
用いる純水（超純水）製造ラインにおいて、イオン交換
樹脂のブレークをオンラインで監視する方法に関する。Detailed Description of the Invention (Industrial Application Field) The present invention relates to a method for online monitoring of ion exchange resin breakage in a pure water (ultra pure water) production line using cation exchange resins and anion exchange resins. .
（従来の技術）
イオン交換樹脂の質流交換容量を越えるとイオン等のリ
ークが始まる（ブレーク）。純水製造ラインにおいてこ
のイオン交換装置のブレークをオンラインで検知すべく
、ブレーク時にＮａイオンがリークし始めるカチオンブ
レークタイプのイオン交換装置では、比抵抗計を用い、
シリカがリークするアニオンブレークタイプのイオン交
換装置では、オンライン型シリカモニターを用いていた
。(Prior art) When the mass exchange capacity of the ion exchange resin is exceeded, ions, etc. begin to leak (break). In order to detect a break in the ion exchange equipment online in a pure water production line, a resistivity meter is used in the cation break type ion exchange equipment, where Na ions begin to leak when the break occurs.
Anion break type ion exchange equipment that leaks silica uses an online silica monitor.
（発明が解決しようとする課題）
このオンライン型シリカモニターとは、モリブテンイエ
ロー法あるいはモリブテンブルー法を採用し、溶解性シ
リカのみを検出するもので、コロイド状シリカや低重合
シリカはチエツクしえない。つまり、アニオンブレーク
タイプのイオン交換装置のブレーク時を正確に検知でき
ない。(Problem to be solved by the invention) This online silica monitor uses the molybdenum yellow method or molybdenum blue method to detect only soluble silica, and cannot check colloidal silica or low polymerized silica. . In other words, it is not possible to accurately detect when an anion break type ion exchange device breaks.
（課題を解決するだめの手段）
イオン交換装置を用いる純水製造ラインにおいて、イオ
ン交換装置の後段に蒸発残留物測定装置を配置し、検知
した蒸発残留物濃度によりブレーク時を判定する。蒸発
残留物とは、純水中に含まれる微粒子、微量イオン、不
揮発性の有機炭素、そして全シリカ（溶解性シリカやコ
ロイドシリカ）であり、Ｉ）Ｉ）ｂ単位でこれら蒸発残
留物を検出するのが蒸発残留物測定装置である。溶解性
シリカ、コロイド状シリカ、低重合シリカ（以下全シリ
カと称する）を正確に測定してアニオンブレークタイプ
のイオン交換装置のブレーク時を判定し、Ｎａイオン等
を測定してカチオンブレークタイプのイオン交換装置の
ブレーク時をオンラインで判定する。この蒸発残留物測
定装置は出願人が既に開発したもので（特開昭６２−２
２２１４５号）、測定水を一定の粒径分布と中心径を有
する微小な水滴に霧化し、これを蒸発・乾燥して一定粒
径分布を保ちつつそのピーク中心径をシフトし、得られ
るエアロゾルを飽和蒸気と混合して粒径を一様に拡大し
、凝縮核カウンターでピーク中心径を演算するものであ
る。(Means for solving the problem) In a pure water production line using an ion exchange device, an evaporation residue measuring device is placed after the ion exchange device, and a break time is determined based on the detected concentration of the evaporation residue. Evaporation residues are fine particles, trace ions, nonvolatile organic carbon, and total silica (soluble silica and colloidal silica) contained in pure water, and these evaporation residues are detected in units of I)I)b. This is the evaporation residue measuring device. Accurately measure soluble silica, colloidal silica, and low-polymerized silica (hereinafter referred to as total silica) to determine when an anion break type ion exchange device breaks, and measure Na ions, etc. to determine cation break type ions. Determine online when a replacement device breaks. This evaporation residue measuring device was already developed by the applicant (Japanese Patent Laid-Open No. 62-2
No. 22145), the measurement water is atomized into minute water droplets with a constant particle size distribution and center diameter, and these are evaporated and dried to maintain a constant particle size distribution while shifting the peak center diameter, and the resulting aerosol is The particle size is uniformly expanded by mixing with saturated steam, and the peak center diameter is calculated using a condensation nucleus counter.
（作用）
イオン交換装置の貫流交換容量を越えるとイオンやシリ
カ等のリークが始まる。アニオンブレークタイプのイオ
ン交換装置では、このブレーク時に溶解性シリカやコロ
イド状シリカなどの全シリカが処理水中にリークされる
。全シリカの濃度を後段に配置した蒸発残留物測定装置
で検知し、ブレーク時の判定をオンラインで下す。カチ
オンブレークタイプのイオン交換装置ではＮａイオン等
がブレーク時にリークされる。こわ。(Function) When the flow-through exchange capacity of the ion exchange device is exceeded, ions, silica, etc. begin to leak. In an anion break type ion exchange device, all silica such as soluble silica and colloidal silica is leaked into the treated water during this break. The concentration of total silica is detected by the evaporation residue measuring device installed in the latter stage, and a break condition is determined online. In a cation break type ion exchange device, Na ions and the like are leaked at the time of break. scary.
も蒸発残留物測定装置で検知しえる。can also be detected with an evaporation residue measuring device.
（実施例）
第１図はイオン交換装置（１）の前段に逆浸透膜（２）
を配置し、後段に蒸発残留物測定装置（３）を配置した
純水製造ラインの説明図である。分岐管（４）を経て蒸
発残留物測定装置（３）へ処理水が送りこまれる。処理
水の比抵抗を検出するために比抵抗セル（５）と比抵抗
計（６）を配置する。(Example) Figure 1 shows a reverse osmosis membrane (2) installed before the ion exchange device (1).
FIG. 2 is an explanatory diagram of a pure water production line in which an evaporation residue measuring device (3) is arranged at a later stage. The treated water is sent to the evaporation residue measuring device (3) via the branch pipe (4). A resistivity cell (5) and a resistivity meter (6) are arranged to detect the resistivity of the treated water.
蒸発残留物測定装置（３）を第２図に基づいて詳しく説
明する。純水はポンプ（７）に噴霧器（８）に圧送され
、清浄な空気中に噴霧される。噴霧直後の一定の粒径分
布（対数正規分布）と中心径（１０μｍ）を有する。こ
のような分布形状を有する微粒子を乾燥器（９）にて蒸
発・乾燥させる。符号００）は加熱器である。蒸発によ
り不純物が析出した超微粒子の粒径分布は、上記対数正
規分布が保たれるがピークとなる中心径は０．０１／ｚ
ｍ程度にシフトする。不純物の濃度に応じて中心径のシ
フト量が異なるために、このシフト量を検出すれば蒸発
残留物濃度を測定できることになる。このエアロゾルを
希釈器ａυに案内し、所定の粒径以下の微粒子を内壁面
に吸着除去するフィルタｆ１２）内を通過させ、蒸気室
０３）から高温の飽和蒸気が供給される混合室Ｏａへと
導ひく。この混合室０４）内にてエアロゾルはその粒径
を拡大する。The evaporation residue measuring device (3) will be explained in detail based on FIG. 2. The pure water is pumped by a pump (7) to a sprayer (8) and sprayed into clean air. It has a constant particle size distribution (log normal distribution) and a center diameter (10 μm) immediately after spraying. The fine particles having such a distribution shape are evaporated and dried in a dryer (9). Code 00) is a heater. The particle size distribution of the ultrafine particles from which impurities are precipitated by evaporation maintains the above-mentioned lognormal distribution, but the center diameter at the peak is 0.01/z.
Shift to about m. Since the amount of shift in the center diameter differs depending on the concentration of impurities, the concentration of evaporation residue can be measured by detecting this amount of shift. This aerosol is guided to a diluter aυ, passed through a filter f12) that adsorbs and removes fine particles with a predetermined particle size or less on the inner wall surface, and is then passed through a filter f12) that adsorbs and removes fine particles with a predetermined particle size or less, and is then transferred from a steam chamber 03) to a mixing chamber Oa where high-temperature saturated steam is supplied. Guide. In this mixing chamber 04), the aerosol expands its particle size.
計測室（１５）は、レーザービームを用いて粒径を拡大
したエアロゾルの粒径分布とピーク中心径を演算し、蒸
発残留物濃度をＩ）ｐｂ年単位検出し、その結果をデイ
スプレィ（１６）とレコーダー（１７）に表示する。The measurement room (15) calculates the particle size distribution and peak center diameter of the aerosol whose particle size has been expanded using a laser beam, detects the evaporation residue concentration in pb years, and displays the results (16). is displayed on the recorder (17).
第３図の蒸発残留物濃度曲線図は、アニオンブレークタ
イプのイオン交換装置（１１を使用した実験例であり、
アニオン交換樹脂として強塩基性アニオン交換樹脂・デ
ュオライトＡ−１０２Ｄ（デュオライト社） １５ （
１と、強酸性カチオン交換樹脂・デュオライトＣ−２０
（デーオライド社）７５沼をイオン交換装置（１）に充
填し再生する。この混床型のイオン交換装置（１）に、
逆浸透膜（２）処理後の全アニオン２５ ’ｍｙ／Ａ
（ａｓ ＣａＣＯ３）、シリカ２７ｎｆ／−ｅ （ａｓ
Ｃａ ＣＯ３）の処理水を通水する。The evaporation residue concentration curve diagram in Figure 3 is an experimental example using an anion break type ion exchange device (No. 11).
As an anion exchange resin, strongly basic anion exchange resin Duolite A-102D (Duolite Co., Ltd.) 15 (
1 and strong acidic cation exchange resin Duolite C-20
(Deoride Co.) 75 swamp is filled into the ion exchange device (1) and regenerated. In this mixed bed type ion exchange device (1),
Total anion after reverse osmosis membrane (2) treatment 25'my/A
(as CaCO3), silica 27nf/-e (as
The treated water of CaCO3) is passed through.
脱イオン処理した処理水の一部を蒸発残留物測定装置（
３）に案内し、蒸発残留物濃度と通水時間との関係を第
３図の点線（黒丸）にて示す。比抵抗計（６）で測定し
た比抵抗値を白丸で示し、比較のだめ処理水をサンプリ
ングして、溶解性シリカ（白三角）と全シリカ（黒三角
）の濃度をＪＩＳ−に−０１０１法により分析した。A portion of the deionized treated water is measured using an evaporation residue measuring device (
3), and the relationship between the evaporation residue concentration and water flow time is shown by the dotted line (black circle) in Figure 3. The resistivity value measured with a resistivity meter (6) is shown by a white circle, and the concentrations of soluble silica (white triangles) and total silica (black triangles) were determined by sampling treated water for comparison according to the JIS-0101 method. analyzed.
この測定データにより、従来のように溶解性シリカのみ
を検出してアニオンブレーク時（Ｂ点）を判定するよシ
も、蒸発残留物濃度によるアニオンブレーク時（Ａ点）
の方が正確であることが理解される。蒸発残留物濃度曲
線と全シリカ濃度曲線の上昇とがほぼ一致している。With this measurement data, it is possible to determine the anion break (point B) by detecting only soluble silica as in the past, but also to determine the anion break (point A) due to the concentration of evaporated residue.
is understood to be more accurate. The rise in the evaporation residue concentration curve and the total silica concentration curve almost coincide.
第４図の蒸発残留物濃度曲線図は、カチオンブレークタ
イプのイオン交換装置（１）を使用した実験結果である
。第３図の実験例で使用したイオン交換樹脂を再生後、
０．４％のＮａ ＯＨ溶液を５００１通薬し、カチオン
交換樹脂の約７０％をＮａ型にして本来アニオンブレー
クタイプのイオン交換装置（１）をカチオンが最初にブ
レイクするようにしておく。このイオン交換装置（１）
の処理水を蒸発残留物測定装置（３）で測定した結果を
同図の黒丸印の点線で示す。比抵抗値は白丸印の曲線、
溶解性シリカ濃度はＪＩＳ−ＫＯＩＯＩ法により測定し
ｎ＝角印の曲線、そしてＮａ濃度を原子吸光度法により
測定した結果を白四角印の曲線で示す。比抵抗値による
カチオンブレーク時（Ｂ点）と、蒸発残留物濃度による
ブレーク時（Ａ点）とは合致し、カチオンブレーク時の
判定も蒸発残留物濃度により正確に行うことができる。The evaporation residue concentration curve diagram in FIG. 4 is the result of an experiment using a cation break type ion exchange device (1). After regenerating the ion exchange resin used in the experimental example shown in Figure 3,
5,000 times of 0.4% NaOH solution is passed through, and about 70% of the cation exchange resin is changed to Na type, so that the ion exchange device (1), which is originally an anion break type, is set so that cations break first. This ion exchange device (1)
The results of measuring the treated water using the evaporation residue measuring device (3) are shown by the dotted line marked with black circles in the figure. The specific resistance value is the curve marked with a white circle,
The soluble silica concentration was measured by the JIS-KOIOI method, and the curve with n = square marks, and the Na concentration was measured by the atomic absorption method, and the curve with white squares shows the results. The cation break time based on the resistivity value (point B) and the break time based on the evaporation residue concentration (point A) match, and the cation break time can also be accurately determined based on the evaporation residue concentration.
この蒸発物としてはＮａイオン、溶解性シリカ等が含ま
れるために、カチオンブレーク時のＮａイオンのリーク
による蒸発残留物濃度変化を検知することで、正確なブ
レーク時判定ができるのである。Since this evaporated material includes Na ions, soluble silica, etc., by detecting the change in the evaporation residue concentration due to the leakage of Na ions during the cation break, it is possible to accurately determine when the break occurs.
第１図のイオン交換装置（１）の代シにカートリッジ型
カラムを採用し、強酸性カチオン交換樹脂ダイヤイオン
５Ｋ−ＩＢ（三菱化成）２ｏ１と、強塩基性アニオン交
換樹脂ダイヤイオン５Ａ−１ＯＡ（三菱化成）３ｏ１を
混合してカラム内に充填し、ＩＯＭΩ・傭程度のシリカ
５０ ｔｔ？／−ｅ （ａｓ ＣａＣ０ａ ）を含む一
次純水を、このカートリッジ型カラムで処理し、処理水
の一部を蒸発残留物測定装置（３）へ導ひいた実施例の
実験結果が第５図である。比抵抗や溶解性シリカそして
全シリカ濃度の検出方法や同図への表示方法は第３図と
同様である。従来の溶解性シリカ濃度によるアニオンブ
レーク時の判定は、シリカモニターで３０１）Ｉ）ｂの
ポイントでＢ点であったが、本発明の蒸発残留物濃度に
よる判定では同じ３０ ｐｐｂのポイントでもＡ点にな
る。第３図の実験例と同じように全シリカ濃度を正確に
検出しえるためブレーク時を的確に判定しえる。A cartridge-type column was adopted in place of the ion exchange device (1) in Figure 1, and a strong acid cation exchange resin Diaion 5K-IB (Mitsubishi Kasei) 2o1 and a strong basic anion exchange resin Diaion 5A-1OA ( Mitsubishi Kasei) 3o1 was mixed and packed into the column, and 50 tt? Figure 5 shows the experimental results of an example in which primary pure water containing /-e (as CaC0a) was treated with this cartridge type column and a part of the treated water was led to the evaporation residue measuring device (3). be. The method of detecting resistivity, soluble silica, and total silica concentration and the method of displaying them in the same figure are the same as in FIG. 3. In the conventional judgment of anion break based on the soluble silica concentration, the silica monitor gave a point B at point 301)I)b, but in the judgment based on the evaporation residue concentration of the present invention, it was a point A even at the same point of 30 ppb. become. As in the experimental example shown in FIG. 3, since the total silica concentration can be detected accurately, the break time can be accurately determined.
（発明の効果）
微量イオンや微粒子そして全シリカ等の蒸発残留物を、
イオン交換装置（１）の後段に配置した蒸発残留物測定
装置（３）によりオンラインで測定するため、アニオン
ブレークタイプやカチオンブレークタイプのイオン交換
装置（１）のブレーク時を正確に判定できる。特に、ア
ニオンブレークタイプでは従来は溶解性シリカのみ検出
していたため、ブレーク時の正確な判定は不可能であっ
たが、本発明では溶解性シリカのみならずコロイド状シ
リカや低重合シリカなどの全シリカをオンラインで正確
に検出でき、ブレーク時の的確な判定が可能になった。(Effect of the invention) Trace ions, fine particles, and evaporation residues such as total silica can be removed.
Since the measurement is carried out online by the evaporation residue measuring device (3) placed after the ion exchange device (1), it is possible to accurately determine when the anion break type or cation break type ion exchange device (1) breaks. In particular, in the anion break type, only soluble silica was detected in the past, making it impossible to accurately determine when the break occurred. Silica can be detected accurately online, making it possible to accurately judge when a break occurs.
第１図は純水製造ラインの説明図、第２図は蒸発残留物
測定装置の概略説明図、第３図はアニオンブレークタイ
プのイオン交換装置の処理水を蒸発残留物測定装置によ
り測定した蒸発残留物濃度曲線図、第４図はカチオンブ
レークタイプのイオン交換装置の処理水を同上測定装置
により測定した蒸発残留物濃度曲線図、第５図はイオン
交換樹脂を混合したカートリッジ型コラムの処理水を同
上測定装置により測定した蒸発残留物濃度曲線図である
。
■ ・・ イオン交換装置 ２・・・・逆浸透膜
３ ・・蒸発残留物測定装置Figure 1 is an explanatory diagram of the pure water production line, Figure 2 is a schematic diagram of the evaporation residue measuring device, and Figure 3 is the evaporation of treated water from an anion break type ion exchange equipment measured by the evaporation residue measuring device. Residue concentration curve diagram; Figure 4 is an evaporation residue concentration curve diagram obtained by measuring treated water from a cation break type ion exchange device using the same measuring device; Figure 5 is a diagram showing treated water from a cartridge type column mixed with ion exchange resin. FIG. 3 is an evaporation residue concentration curve diagram measured by the same measuring device as above. ■...Ion exchange device 2...Reverse osmosis membrane 3...Evaporation residue measuring device
Claims (4)
水製造ラインにおいて、これらイオン交換装置の後段に
オンライン型蒸発残留物測定装置を配置し、イオン交換
装置のブレーク時に発生する処理水中のリーク物質を蒸
発残留物測定装置の蒸発残留物濃度として検知する、イ
オン交換装置のブレーク監視方法。(1) In pure water production lines that use anion exchange resins and cation exchange resins, an online evaporation residue measuring device is placed after these ion exchange devices to detect leakage substances in the treated water that occur when the ion exchange devices break. A method for monitoring breaks in ion exchange equipment, which is detected as the concentration of evaporation residue in an evaporation residue measuring device.
水滴に霧化し、これを乾燥して得られるエアロゾルを飽
和蒸気と混合して粒径を拡大し、凝縮核カウンターでピ
ーク中心径を演算する、蒸発残留物測定装置を採用する
請求項１記載のイオン交換装置のブレーク監視方法。(2) The measurement water is atomized into minute water droplets with a fixed particle size distribution and center diameter, and the aerosol obtained by drying this is mixed with saturated steam to expand the particle size, and the peak center is measured with a condensation nucleus counter. 2. A break monitoring method for an ion exchange device according to claim 1, which employs an evaporation residue measuring device that calculates the diameter.
る純水製造ラインにおいて、このイオン交換装置の後段
に蒸発残留物測定装置を配置し、イオン交換装置のブレ
ーク時に発生するコロイド状シリカ、溶解性シリカ、低
重合シリカを、この蒸発残留物測定装置の蒸発残留物濃
度として検知する、イオン交換装置のブレーク監視方法
。(3) In a pure water production line that uses an anion break type ion exchange device, an evaporation residue measuring device is placed after the ion exchange device to detect colloidal silica, soluble silica, etc. generated when the ion exchange device breaks. A break monitoring method for ion exchange equipment that detects low polymerized silica as the evaporation residue concentration of this evaporation residue measurement device.
水滴に霧化し、これを蒸発・乾燥して一定の粒径分布を
保ちつつその中心径（ピーク径）をシフトし、このエア
ロゾルを飽和蒸気と混合して粒径を一様に拡大し、凝縮
核カウンターでピーク中心径を演算する蒸発残留物測定
装置を採用する請求項３記載のイオン交換装置のブレー
ク監視装置。(4) Atomize the water to be measured into minute water droplets with a constant particle size distribution and center diameter, and evaporate and dry them to maintain a constant particle size distribution while shifting the center diameter (peak diameter). 4. The break monitoring device for an ion exchange device according to claim 3, which employs an evaporation residue measuring device that uniformly expands the particle size by mixing the aerosol with saturated steam and calculates the peak center diameter using a condensation nucleus counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63042972A JPH01218680A (en) | 1988-02-25 | 1988-02-25 | Method for monitoring break of ion-exchange apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63042972A JPH01218680A (en) | 1988-02-25 | 1988-02-25 | Method for monitoring break of ion-exchange apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01218680A true JPH01218680A (en) | 1989-08-31 |
| JPH0582278B2 JPH0582278B2 (en) | 1993-11-18 |
Family
ID=12650953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63042972A Granted JPH01218680A (en) | 1988-02-25 | 1988-02-25 | Method for monitoring break of ion-exchange apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01218680A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009112894A (en) * | 2007-11-02 | 2009-05-28 | Nomura Micro Sci Co Ltd | Leak monitoring device |
| JP2012037318A (en) * | 2010-08-05 | 2012-02-23 | Japan Organo Co Ltd | Apparatus and method for measuring particle in liquid |
| JP2013255864A (en) * | 2012-06-11 | 2013-12-26 | Nomura Micro Sci Co Ltd | Apparatus for producing purified water |
| US11017344B2 (en) | 2016-09-12 | 2021-05-25 | Ecolab Usa Inc. | Method and apparatus for predicting depletion of deionization tanks and optimizing delivery schedules |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439686A (en) * | 1977-09-05 | 1979-03-27 | Nippon Steel Chemical Co | Detection for quick finding of mixed brine in water to be inspected |
| JPS54131340A (en) * | 1978-03-31 | 1979-10-12 | Mitsubishi Chem Ind Ltd | Water treatment device |
| JPS57104337U (en) * | 1981-08-12 | 1982-06-26 | ||
| JPS62222145A (en) * | 1986-03-24 | 1987-09-30 | Nippon Kagaku Kogyo Kk | Method and apparatus for measuring impurity in liquid |
| JPS62199191U (en) * | 1986-06-04 | 1987-12-18 |
-
1988
- 1988-02-25 JP JP63042972A patent/JPH01218680A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439686A (en) * | 1977-09-05 | 1979-03-27 | Nippon Steel Chemical Co | Detection for quick finding of mixed brine in water to be inspected |
| JPS54131340A (en) * | 1978-03-31 | 1979-10-12 | Mitsubishi Chem Ind Ltd | Water treatment device |
| JPS57104337U (en) * | 1981-08-12 | 1982-06-26 | ||
| JPS62222145A (en) * | 1986-03-24 | 1987-09-30 | Nippon Kagaku Kogyo Kk | Method and apparatus for measuring impurity in liquid |
| JPS62199191U (en) * | 1986-06-04 | 1987-12-18 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009112894A (en) * | 2007-11-02 | 2009-05-28 | Nomura Micro Sci Co Ltd | Leak monitoring device |
| JP2012037318A (en) * | 2010-08-05 | 2012-02-23 | Japan Organo Co Ltd | Apparatus and method for measuring particle in liquid |
| JP2013255864A (en) * | 2012-06-11 | 2013-12-26 | Nomura Micro Sci Co Ltd | Apparatus for producing purified water |
| US11017344B2 (en) | 2016-09-12 | 2021-05-25 | Ecolab Usa Inc. | Method and apparatus for predicting depletion of deionization tanks and optimizing delivery schedules |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0582278B2 (en) | 1993-11-18 |
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