CA941984A - Controlling the level of ion exchange resins by ultrasonic sensing means - Google Patents

Controlling the level of ion exchange resins by ultrasonic sensing means

Info

Publication number
CA941984A
CA941984A CA096,054A CA96054A CA941984A CA 941984 A CA941984 A CA 941984A CA 96054 A CA96054 A CA 96054A CA 941984 A CA941984 A CA 941984A
Authority
CA
Canada
Prior art keywords
controlling
level
ion exchange
sensing means
exchange resins
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.)
Expired
Application number
CA096,054A
Other languages
English (en)
Inventor
Cole R. Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecodyne Corp
Original Assignee
Ecodyne Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ecodyne Corp filed Critical Ecodyne Corp
Application granted granted Critical
Publication of CA941984A publication Critical patent/CA941984A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/02—Column or bed processes
    • B01J47/04—Mixed-bed processes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2961—Acoustic waves for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Automation & Control Theory (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
CA096,054A 1969-11-21 1970-10-20 Controlling the level of ion exchange resins by ultrasonic sensing means Expired CA941984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87878469A 1969-11-21 1969-11-21

Publications (1)

Publication Number Publication Date
CA941984A true CA941984A (en) 1974-02-12

Family

ID=25372831

Family Applications (1)

Application Number Title Priority Date Filing Date
CA096,054A Expired CA941984A (en) 1969-11-21 1970-10-20 Controlling the level of ion exchange resins by ultrasonic sensing means

Country Status (8)

Country Link
JP (1) JPS4815143B1 (fr)
BE (1) BE759217A (fr)
CA (1) CA941984A (fr)
CH (1) CH522209A (fr)
DE (1) DE2057238C3 (fr)
ES (1) ES384863A1 (fr)
FR (1) FR2069813A5 (fr)
GB (1) GB1312096A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3824076A1 (de) * 1988-07-15 1990-01-18 Degussa Verfahren zur regelung der fuellstandshoehe
EP1305618A1 (fr) 2000-07-28 2003-05-02 Euroflow (UK) Limited Procede et appareil permettant de garnir des colonnes de chromatographie et colonne de chromatographie
EP1456640B1 (fr) 2001-11-27 2014-09-10 Pall Corporation Systeme de detection par ultrasons pour la chromatographie et procede
US9604156B2 (en) * 2013-09-25 2017-03-28 Ticona Llc Method and system for separation of a polymer from multiple compounds
CN106354169A (zh) * 2016-10-31 2017-01-25 重庆承亿机电设备有限公司 变频器多端子控制导电液体液位的方法
CN109029635A (zh) * 2017-06-12 2018-12-18 北京北方华创微电子装备有限公司 一种固态源的检测装置及其检测方法

Also Published As

Publication number Publication date
DE2057238B2 (de) 1974-04-18
ES384863A1 (es) 1973-03-16
DE2057238C3 (de) 1974-11-21
CH522209A (de) 1972-06-15
BE759217A (fr) 1971-04-30
FR2069813A5 (fr) 1971-09-03
GB1312096A (en) 1973-04-04
DE2057238A1 (de) 1971-06-24
JPS4815143B1 (fr) 1973-05-12

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