DE2965265D1 - P-ion controller and control of ionic concentration in a flow-line - Google Patents

P-ion controller and control of ionic concentration in a flow-line

Info

Publication number
DE2965265D1
DE2965265D1 DE7979900433T DE2965265T DE2965265D1 DE 2965265 D1 DE2965265 D1 DE 2965265D1 DE 7979900433 T DE7979900433 T DE 7979900433T DE 2965265 T DE2965265 T DE 2965265T DE 2965265 D1 DE2965265 D1 DE 2965265D1
Authority
DE
Germany
Prior art keywords
flow
line
control
ionic concentration
ion controller
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
DE7979900433T
Other languages
English (en)
Inventor
Jan Boeke
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE2965265D1 publication Critical patent/DE2965265D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
DE7979900433T 1978-04-28 1979-04-16 P-ion controller and control of ionic concentration in a flow-line Expired DE2965265D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/900,908 US4181951A (en) 1978-04-28 1978-04-28 In-line pH and pIon controller
PCT/US1979/000236 WO1979000998A1 (en) 1978-04-28 1979-04-16 In-line ph and pion controller

Publications (1)

Publication Number Publication Date
DE2965265D1 true DE2965265D1 (en) 1983-06-01

Family

ID=25413284

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979900433T Expired DE2965265D1 (en) 1978-04-28 1979-04-16 P-ion controller and control of ionic concentration in a flow-line

Country Status (6)

Country Link
US (1) US4181951A (de)
EP (1) EP0018971B1 (de)
JP (1) JPS633323B2 (de)
CA (1) CA1116719A (de)
DE (1) DE2965265D1 (de)
WO (1) WO1979000998A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4762796A (en) * 1981-10-05 1988-08-09 Exxon Research And Engineering Company pH control of a process stream
US4648043A (en) * 1984-05-07 1987-03-03 Betz Laboratories, Inc. Computerized system for feeding chemicals into water treatment system
US4766550A (en) * 1985-10-30 1988-08-23 Westinghouse Electric Corp. Automatic on-line chemistry monitoring system
GB8614530D0 (en) * 1986-06-14 1986-07-23 Clean Water Co Ltd Liquid treatment process
US5073499A (en) * 1988-04-15 1991-12-17 Westinghouse Electric Corp. Chemical diagnostic system
US5481260A (en) * 1994-03-28 1996-01-02 Nordson Corporation Monitor for fluid dispensing system
US5696696A (en) * 1994-10-11 1997-12-09 Betzdearborn, Inc. Apparatus and method for automatically achieving and maintaining congruent control in an industrial boiler
US5923571A (en) * 1994-10-11 1999-07-13 Betzdearborn, Inc. Apparatus and method for automatic congruent control of multiple boilers sharing a common feedwater line and chemical feed point

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072146A (en) * 1959-09-24 1963-01-08 Gizeski Terrence Digital regulator valve
US3718556A (en) * 1970-07-22 1973-02-27 Magna Corp Ionic ph control
US3664951A (en) * 1970-07-22 1972-05-23 Pollution Engineering Internat Apparatus and process to treat waste water for pollution control and industrial reuse
US3791793A (en) * 1972-01-31 1974-02-12 Leeds & Northrup Co Adaptive feed forward-feedback control of the concentration of a selected ion of a solution
IT995258B (it) * 1972-10-12 1975-11-10 Benckiser Gmbh Joh A Dispositivo per la misurazione del potenziale di ossiriduzione di mezzi liquidi
US3856668A (en) * 1973-05-30 1974-12-24 R Shubert Method for treatment of coal washery waters
JPS5920974B2 (ja) * 1976-12-28 1984-05-16 電気化学工業株式会社 流液のｐｈ自動制御装置

Also Published As

Publication number Publication date
US4181951A (en) 1980-01-01
JPS55500241A (de) 1980-04-24
EP0018971A1 (de) 1980-11-26
EP0018971B1 (de) 1983-04-27
CA1116719A (en) 1982-01-19
EP0018971A4 (de) 1980-06-23
WO1979000998A1 (en) 1979-11-29
JPS633323B2 (de) 1988-01-22

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Free format text: ERFINDER IST ANMELDER

8339 Ceased/non-payment of the annual fee