Laser capillary spectrophotometric acquisition of bivariate drop size and concentration data for liquid-liquid dispersion
A laser capillary spectrophotometric technique measures real time or near real time bivariate drop size and concentration distribution for a reactive liquid-liquid dispersion system. The dispersion is drawn into a precision-bore glass capillary and an appropriate light source is used to distinguish the aqueous phase from slugs of the organic phase at two points along the capillary whose separation is precisely known. The suction velocity is measured, as is the length of each slug from which the drop free diameter is calculated. For each drop, the absorptivity at a given wavelength is related to the molar concentration of a solute of interest, and the concentration of given drops of the organic phase is derived from pulse heights of the detected light. This technique permits on-line monitoring and control of liquid-liquid dispersion processes. 17 figures.
- Research Organization:
- Syracuse Univ., NY (United States)
- DOE Contract Number:
- AC02-82ER13002
- Assignee:
- Syracuse University, Syracuse, NY (United States)
- Patent Number(s):
- US 5074658; A
- Application Number:
- PPN: US 7-386602
- OSTI ID:
- 7028050
- Resource Relation:
- Patent File Date: 31 Jul 1989
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
DISPERSIONS
SPECTROPHOTOMETRY
ON-LINE MEASUREMENT SYSTEMS
DESIGN
SPECTROPHOTOMETERS
ABSORPTION SPECTRA
CAPILLARY FLOW
CONCENTRATION RATIO
DROPLETS
LASER RADIATION
ORGANIC COMPOUNDS
SOLUTES
ELECTROMAGNETIC RADIATION
FLUID FLOW
MEASURING INSTRUMENTS
ON-LINE SYSTEMS
PARTICLES
RADIATIONS
SPECTRA
400102* - Chemical & Spectral Procedures