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GB877009A - Improvements relating to the control of the treatment of liquids - Google Patents

Improvements relating to the control of the treatment of liquids

Info

Publication number
GB877009A
GB877009A GB3614458A GB3614458A GB877009A GB 877009 A GB877009 A GB 877009A GB 3614458 A GB3614458 A GB 3614458A GB 3614458 A GB3614458 A GB 3614458A GB 877009 A GB877009 A GB 877009A
Authority
GB
United Kingdom
Prior art keywords
pipe
sample
liquids
treatment
control
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
GB3614458A
Inventor
Francis James Shaw
Edward Mountford
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.)
HARTLEYS STOKE ON TRENT Ltd
Original Assignee
HARTLEYS STOKE ON TRENT Ltd
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 HARTLEYS STOKE ON TRENT Ltd filed Critical HARTLEYS STOKE ON TRENT Ltd
Priority to GB3614458A priority Critical patent/GB877009A/en
Publication of GB877009A publication Critical patent/GB877009A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemically Coating (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

<PICT:0877009/III/1> Free chlorine in a chlorination process for cyanide bearing p electroplating waste is detected by mixing a sample of the waste with starch iodide and passing it between a lamp and photocell. Electroplating waste in a tank 10 is pumped through a pipe 29 to a chlorinator 30 and back through a pipe 33. A sample is taken through a pipe 11 and mixed with starch iodide from a container 14 in a sight glass 13. When the sample turns black the changed output of the photocell 21 stops the pump 27 through an amplifier 24 and a thyratron 25.
GB3614458A 1958-11-11 1958-11-11 Improvements relating to the control of the treatment of liquids Expired GB877009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3614458A GB877009A (en) 1958-11-11 1958-11-11 Improvements relating to the control of the treatment of liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3614458A GB877009A (en) 1958-11-11 1958-11-11 Improvements relating to the control of the treatment of liquids

Publications (1)

Publication Number Publication Date
GB877009A true GB877009A (en) 1961-09-13

Family

ID=10385401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3614458A Expired GB877009A (en) 1958-11-11 1958-11-11 Improvements relating to the control of the treatment of liquids

Country Status (1)

Country Link
GB (1) GB877009A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451380A (en) * 1980-12-06 1984-05-29 Spence Derek W Waste disposal
CN104655622A (en) * 2015-02-11 2015-05-27 沈阳理工大学 Quick online analysis kit
CN111389323A (en) * 2020-04-17 2020-07-10 中国计量大学上虞高等研究院有限公司 Machine vision sight glass liquid separation identification control device and method for partition confirmation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451380A (en) * 1980-12-06 1984-05-29 Spence Derek W Waste disposal
CN104655622A (en) * 2015-02-11 2015-05-27 沈阳理工大学 Quick online analysis kit
CN104655622B (en) * 2015-02-11 2017-09-29 沈阳理工大学 Fast on-line analyzing kit
CN111389323A (en) * 2020-04-17 2020-07-10 中国计量大学上虞高等研究院有限公司 Machine vision sight glass liquid separation identification control device and method for partition confirmation
CN111389323B (en) * 2020-04-17 2023-09-08 中国计量大学上虞高等研究院有限公司 Partition-confirmed machine vision mirror liquid separation identification control device and method

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