GB2215327B - Ph controller - Google Patents

Ph controller

Info

Publication number
GB2215327B
GB2215327B GB8805750A GB8805750A GB2215327B GB 2215327 B GB2215327 B GB 2215327B GB 8805750 A GB8805750 A GB 8805750A GB 8805750 A GB8805750 A GB 8805750A GB 2215327 B GB2215327 B GB 2215327B
Authority
GB
United Kingdom
Prior art keywords
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 - Fee Related
Application number
GB8805750A
Other versions
GB8805750D0 (en
GB2215327A (en
Inventor
M J Smythe
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB8805750A priority Critical patent/GB2215327B/en
Publication of GB8805750D0 publication Critical patent/GB8805750D0/en
Publication of GB2215327A publication Critical patent/GB2215327A/en
Application granted granted Critical
Publication of GB2215327B publication Critical patent/GB2215327B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1806—Stationary reactors having moving elements inside resulting in a turbulent flow of the reactants, such as in centrifugal-type reactors, or having a high Reynolds-number
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0086—Processes carried out with a view to control or to change the pH-value; Applications of buffer salts; Neutralisation reactions
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1887—Stationary reactors having moving elements inside forming a thin film
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00177—Controlling or regulating processes controlling the pH
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical
GB8805750A 1988-03-10 1988-03-10 Ph controller Expired - Fee Related GB2215327B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8805750A GB2215327B (en) 1988-03-10 1988-03-10 Ph controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8805750A GB2215327B (en) 1988-03-10 1988-03-10 Ph controller

Publications (3)

Publication Number Publication Date
GB8805750D0 GB8805750D0 (en) 1988-04-07
GB2215327A GB2215327A (en) 1989-09-20
GB2215327B true GB2215327B (en) 1991-09-25

Family

ID=10633206

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8805750A Expired - Fee Related GB2215327B (en) 1988-03-10 1988-03-10 Ph controller

Country Status (1)

Country Link
GB (1) GB2215327B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993024831A1 (en) * 1992-06-01 1993-12-09 Cincinnati Milacron Inc. Method for monitoring and controlling metalworking fluid
DE4300388C2 (en) * 1993-01-09 1995-03-16 Metallgesellschaft Ag Process for the continuous adjustment and control of the pH of an acidic liquid, in which the continuous measurement of the pH takes place with a glass electrode
DE19828742A1 (en) * 1998-06-27 1999-12-30 Basf Coatings Ag Taylor reactor comprising vertical rotor and wall in relative rotation, defining constant, divergent or convergent annular gap
AUPR391401A0 (en) 2001-03-22 2001-04-12 Ceramic Fuel Cells Limited Liquid phase reactor
DE10149015B4 (en) 2001-10-04 2005-04-14 Basf Coatings Ag Continuous bulk polymerization process and Taylor reactor for its operation

Also Published As

Publication number Publication date
GB8805750D0 (en) 1988-04-07
GB2215327A (en) 1989-09-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930310