Chemical characterization by gas chromatography-mass spectrometry and inductively coupled plasma-optical emissionn spectroscopy of membrane permeates from an industrial dairy ingredient production used as process water

Peter Bæk Skou; Bekzod Khakimov; Thomas Hesselhøj Hansen; Stina Dissing Aunsbjerg; Susanne Knøchel; Dorrit Thaysen; Franciscus Winfried J van der Berg

doi:10.3168/jds.2017-12950

Chemical characterization by gas chromatography-mass spectrometry and inductively coupled plasma-optical emissionn spectroscopy of membrane permeates from an industrial dairy ingredient production used as process water

Peter Bæk Skou, Bekzod Khakimov, Thomas Hesselhøj Hansen, Stina Dissing Aunsbjerg, Susanne Knøchel, Dorrit Thaysen, Franciscus Winfried J van der Berg

4 Citations (Scopus)

Abstract

Reusing reverse osmosis (RO) membrane permeate instead of potable water in the dairy industry is a very appealing tactic. However, to ensure safe use, the quality of reclaimed water must be guaranteed. To do this, qualitative and quantitative information about which compounds permeate the membranes must be established. In the present study, we provide a detailed characterization of ultrafiltration, RO, and RO polisher (ROP) permeate with regard to organic and inorganic compounds. Results indicate that smaller molecules and elements (such as phosphate, but mainly urea and boron) pass the membrane, and a small set of larger molecules (long-chain fatty acids, glycerol-phosphate, and glutamic acid) are found as well, though in minute concentrations (<0.2 µM). Growth experiments with 2 urease-positive microorganisms, isolated from RO permeate, showed that the nutrient content in the ROP permeate supports limited growth of 1 of the 2 isolates, indicating that the ROP permeate may not be guaranteed to be stable during protracted storage.

Original language	English
Journal	Journal of Dairy Science
Volume	101
Issue number	1
Pages (from-to)	135-146
Number of pages	12
ISSN	0022-0302
DOIs	https://doi.org/10.3168/jds.2017-12950
Publication status	Published - Jan 2018

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Skou, P. B., Khakimov, B., Hansen, T. H., Aunsbjerg, S. D., Knøchel, S., Thaysen, D., & van der Berg, F. W. J. (2018). Chemical characterization by gas chromatography-mass spectrometry and inductively coupled plasma-optical emissionn spectroscopy of membrane permeates from an industrial dairy ingredient production used as process water. Journal of Dairy Science, 101(1), 135-146. https://doi.org/10.3168/jds.2017-12950

Chemical characterization by gas chromatography-mass spectrometry and inductively coupled plasma-optical emissionn spectroscopy of membrane permeates from an industrial dairy ingredient production used as process water. / Skou, Peter Bæk; Khakimov, Bekzod ; Hansen, Thomas Hesselhøj et al.
In: Journal of Dairy Science, Vol. 101, No. 1, 01.2018, p. 135-146.

Research output: Contribution to journal › Journal article › Research › peer-review

Skou, PB, Khakimov, B , Hansen, TH, Aunsbjerg, SD, Knøchel, S, Thaysen, D & van der Berg, FWJ 2018, 'Chemical characterization by gas chromatography-mass spectrometry and inductively coupled plasma-optical emissionn spectroscopy of membrane permeates from an industrial dairy ingredient production used as process water', Journal of Dairy Science, vol. 101, no. 1, pp. 135-146. https://doi.org/10.3168/jds.2017-12950

Skou PB, Khakimov B , Hansen TH, Aunsbjerg SD, Knøchel S, Thaysen D et al. Chemical characterization by gas chromatography-mass spectrometry and inductively coupled plasma-optical emissionn spectroscopy of membrane permeates from an industrial dairy ingredient production used as process water. Journal of Dairy Science. 2018 Jan;101(1):135-146. doi: 10.3168/jds.2017-12950

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title = "Chemical characterization by gas chromatography-mass spectrometry and inductively coupled plasma-optical emissionn spectroscopy of membrane permeates from an industrial dairy ingredient production used as process water",

abstract = "Reusing reverse osmosis (RO) membrane permeate instead of potable water in the dairy industry is a very appealing tactic. However, to ensure safe use, the quality of reclaimed water must be guaranteed. To do this, qualitative and quantitative information about which compounds permeate the membranes must be established. In the present study, we provide a detailed characterization of ultrafiltration, RO, and RO polisher (ROP) permeate with regard to organic and inorganic compounds. Results indicate that smaller molecules and elements (such as phosphate, but mainly urea and boron) pass the membrane, and a small set of larger molecules (long-chain fatty acids, glycerol-phosphate, and glutamic acid) are found as well, though in minute concentrations (<0.2 µM). Growth experiments with 2 urease-positive microorganisms, isolated from RO permeate, showed that the nutrient content in the ROP permeate supports limited growth of 1 of the 2 isolates, indicating that the ROP permeate may not be guaranteed to be stable during protracted storage.",

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AU - Skou, Peter Bæk

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AU - Hansen, Thomas Hesselhøj

AU - Aunsbjerg, Stina Dissing

AU - Knøchel, Susanne

AU - Thaysen, Dorrit

AU - van der Berg, Franciscus Winfried J

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AB - Reusing reverse osmosis (RO) membrane permeate instead of potable water in the dairy industry is a very appealing tactic. However, to ensure safe use, the quality of reclaimed water must be guaranteed. To do this, qualitative and quantitative information about which compounds permeate the membranes must be established. In the present study, we provide a detailed characterization of ultrafiltration, RO, and RO polisher (ROP) permeate with regard to organic and inorganic compounds. Results indicate that smaller molecules and elements (such as phosphate, but mainly urea and boron) pass the membrane, and a small set of larger molecules (long-chain fatty acids, glycerol-phosphate, and glutamic acid) are found as well, though in minute concentrations (<0.2 µM). Growth experiments with 2 urease-positive microorganisms, isolated from RO permeate, showed that the nutrient content in the ROP permeate supports limited growth of 1 of the 2 isolates, indicating that the ROP permeate may not be guaranteed to be stable during protracted storage.

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