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Title: Determination of microstickies in recycled whitewater by headspace gas chromatography

Source: Progress in paper recycling. Vol. 16, no. 3 (May 2007): Pages 12-17.

Author(s)Chai, X.-S.; Samp, J.C.; Yang, Q.F.; Song, H.N.; Zhu, J.Y.

Publication Year: 2007  View PDF »

Related Publications: view

Category: Journal Articles

Abstract: This study proposed a novel headspace gas chromatographic (HS-GC) method for determination of adhesive contaminants (microstickies) in recycled whitewater, a fiber containing process stream, in the paper mill. It is based on the adsorption behavior of toluene (as a tracer) on the hydrophobic surface of microstickies, which affects the apparent vapor-liquid equilibration partitioning of toluene. It was found that the equilibrium concentration of toluene in the vapor phase is inversely proportional to the apparent effective surface area of microstickies that remain in the corresponding solution. Thus, the amount of microsticky materials in the recycled whitewater can be quantified by HS-GC via indirect measurement of the toluene content in the vapor phase of the sample without any pretreatment. The presented method is simple, rapid and automated.

Keywords: Toluene, adsorption, chromatographic analysis, waste paper, recycling, pulping, papermaking, adhesives, gas charomatography, contamination, water reuse, stickies, microstickies, pulp and paper processes, vapor phase, headspace

File size: 258 kb(s)

This publication is also viewable on Treesearch:  view
RITS Product ID: 2273
Current FPL Scientist associated with this product
Zhu, JunYong
Research General Engineer
  

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