Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/20151
Title: Monitoring the kinetics of heterogeneous crystal growth using an Intrinsic Exposed Core Optical Fiber Sensor
Contributor(s): Boerkamp, Martijn (author); Lamb, David (author); Lye, Peter (author)orcid 
Publication Date: 2017
DOI: 10.1016/j.snb.2016.08.133
Handle Link: https://hdl.handle.net/1959.11/20151
Abstract: The prevention of unwanted heterogeneous crystal growth, known as scale formation, requires accurate detection of the rate and amount of scale deposition on surfaces. An Intrinsic Exposed Core Optical Fibre Sensor (IECOFS) has been used to measure heterogeneous crystal growth kinetic parameters, such as the rate of crystal growth and the induction time. Measurements at different temperatures allowed the activation energy to be determined for three crystal types, with excellent agreement with literature values. Crystal growth kinetic parameters were determined for calcium carbonate with the IECOFS and were found to compare well with kinetic parameters extracted from crystal growth measurements on a stainless steel surface. Crystal growth kinetic measurements were also performed in the presence of a poly-acrylic-acid (PAA) crystal growth inhibitor. The IECOFS monitored a reduction in the crystal growth rate and an increase in the induction time, matching well with the expected behaviour of the PAA inhibitor and agreeing with a literature model of crystal growth.
Publication Type: Journal Article
Source of Publication: Sensors and Actuators B: Chemical, v.240, p. 168-173
Publisher: Elsevier BV
Place of Publication: The Netherlands
ISSN: 0925-4005
1873-3077
Field of Research (FOR): 020504 Photonics, Optoelectronics and Optical Communications
030602 Chemical Thermodynamics and Energetics
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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