Pulsed corona discharge oxidation of aqueous lignin

decomposition and aldehydes formation.

Iris Panorel, Laura Kaijanen, Iakov Kornev, Sergey Preis, Marjatta Louhi-Kultanen, Heli Sirén

Research output: Chapter in Book/Report/Conference proceedingChapter

11 Citations (Scopus)

Abstract

Lignin is the mass waste product of pulp and paper industry mostly incinerated for energy recovery. Lignin is, however, a substantial source of raw material for derivatives currently produced in costly wet oxidation processes. The pulsed corona discharge (PCD) for the first time was applied to lignin oxidation aiming a cost-effective environmentally friendly lignin removal and transformation to aldehydes. The experimental research into treatment of coniferous kraft lignin aqueous solutions was undertaken to establish the dependence of lignin oxidation and aldehyde formation on the discharge parameters, initial concentration of lignin and gas phase composition. The rate and the energy efficiency of lignin oxidation increased with increasing oxygen concentration reaching up to 82 g kW-1 h-1 in 89% vol. oxygen. Oxidation energy efficiency in PCD treatment exceeds the one for conventional ozonation by the factor of two under the experimental conditions. Oxidation at low oxygen concentrations showed a tendency of the increasing aldehydes and glyoxylic acid formation yield.

Original languageEnglish
Title of host publicationEnvironmental technology
Pages171-176
Number of pages6
Volume35
Edition1-4
Publication statusPublished - 2014

Fingerprint

Lignin
aldehyde
Aldehydes
lignin
corona
decomposition
Decomposition
oxidation
Oxidation
Oxygen
Energy efficiency
energy efficiency
oxygen
Ozonization
Paper and pulp industry
pulp and paper industry
Phase composition
Raw materials
Gases
aqueous solution

ASJC Scopus subject areas

  • Environmental Chemistry
  • Waste Management and Disposal
  • Water Science and Technology

Cite this

Panorel, I., Kaijanen, L., Kornev, I., Preis, S., Louhi-Kultanen, M., & Sirén, H. (2014). Pulsed corona discharge oxidation of aqueous lignin: decomposition and aldehydes formation. In Environmental technology (1-4 ed., Vol. 35, pp. 171-176)

Pulsed corona discharge oxidation of aqueous lignin : decomposition and aldehydes formation. / Panorel, Iris; Kaijanen, Laura; Kornev, Iakov; Preis, Sergey; Louhi-Kultanen, Marjatta; Sirén, Heli.

Environmental technology. Vol. 35 1-4. ed. 2014. p. 171-176.

Research output: Chapter in Book/Report/Conference proceedingChapter

Panorel, I, Kaijanen, L, Kornev, I, Preis, S, Louhi-Kultanen, M & Sirén, H 2014, Pulsed corona discharge oxidation of aqueous lignin: decomposition and aldehydes formation. in Environmental technology. 1-4 edn, vol. 35, pp. 171-176.
Panorel I, Kaijanen L, Kornev I, Preis S, Louhi-Kultanen M, Sirén H. Pulsed corona discharge oxidation of aqueous lignin: decomposition and aldehydes formation. In Environmental technology. 1-4 ed. Vol. 35. 2014. p. 171-176
Panorel, Iris ; Kaijanen, Laura ; Kornev, Iakov ; Preis, Sergey ; Louhi-Kultanen, Marjatta ; Sirén, Heli. / Pulsed corona discharge oxidation of aqueous lignin : decomposition and aldehydes formation. Environmental technology. Vol. 35 1-4. ed. 2014. pp. 171-176
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