ZA931218B - Simultaneous monitoring of multiple water treatment performance indicators. - Google Patents

Simultaneous monitoring of multiple water treatment performance indicators.

Info

Publication number
ZA931218B
ZA931218B ZA931218A ZA931218A ZA931218B ZA 931218 B ZA931218 B ZA 931218B ZA 931218 A ZA931218 A ZA 931218A ZA 931218 A ZA931218 A ZA 931218A ZA 931218 B ZA931218 B ZA 931218B
Authority
ZA
South Africa
Prior art keywords
water treatment
performance indicators
multiple water
treatment performance
simultaneous monitoring
Prior art date
Application number
ZA931218A
Other languages
English (en)
Inventor
John Richardson
Gary G Engstrom
John Arthur Kelly
Larry M Kye
Mark D Brickhouse
Scott J Kahel
Kenneth J Schlager
Original Assignee
Grace W R & Co
Biotronics Tech Inc
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 Grace W R & Co, Biotronics Tech Inc filed Critical Grace W R & Co
Publication of ZA931218B publication Critical patent/ZA931218B/xx

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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1813—Specific cations in water, e.g. heavy metals
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/182—Specific anions in water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/129—Using chemometrical methods

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
ZA931218A 1992-03-04 1993-02-22 Simultaneous monitoring of multiple water treatment performance indicators. ZA931218B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/845,889 US5242602A (en) 1992-03-04 1992-03-04 Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics

Publications (1)

Publication Number Publication Date
ZA931218B true ZA931218B (en) 1993-09-17

Family

ID=25296335

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA931218A ZA931218B (en) 1992-03-04 1993-02-22 Simultaneous monitoring of multiple water treatment performance indicators.

Country Status (16)

Country Link
US (1) US5242602A (xx)
EP (1) EP0559305A2 (xx)
JP (1) JPH0666718A (xx)
KR (1) KR930020163A (xx)
CN (1) CN1046031C (xx)
AU (1) AU669687B2 (xx)
BR (1) BR9300730A (xx)
CA (1) CA2090820C (xx)
FI (1) FI930940A (xx)
MY (1) MY131304A (xx)
NZ (1) NZ245904A (xx)
PH (1) PH29905A (xx)
SG (1) SG46421A1 (xx)
TR (1) TR27811A (xx)
TW (1) TW237517B (xx)
ZA (1) ZA931218B (xx)

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Also Published As

Publication number Publication date
TW237517B (xx) 1995-01-01
EP0559305A2 (en) 1993-09-08
PH29905A (en) 1996-09-16
FI930940A (fi) 1993-09-05
CN1079301A (zh) 1993-12-08
KR930020163A (ko) 1993-10-19
CA2090820A1 (en) 1993-09-05
NZ245904A (en) 1995-03-28
MY131304A (en) 2007-08-30
EP0559305A3 (xx) 1995-07-05
JPH0666718A (ja) 1994-03-11
BR9300730A (pt) 1993-09-08
SG46421A1 (en) 1998-02-20
FI930940A0 (fi) 1993-03-03
CA2090820C (en) 2002-05-07
AU669687B2 (en) 1996-06-20
CN1046031C (zh) 1999-10-27
US5242602A (en) 1993-09-07
AU3319793A (en) 1993-09-09
TR27811A (tr) 1995-08-29

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