Development of environmental protection Wood-Based Activated Carbon Fibers Paperboard and its application in hygroscopic ability

Han Chien Lin, Jyun Fu Liou, Wen Ju Lee, She Ching Wu, Ming Hong Duh, Noboru Fujimoto

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

To develop Wood-Based Activated Carbon Fibers Paperboard (WACFP) as a moisture-proof material for food use, Nadelholz/Laubholz Unbleached Kraft Pulp (NUKP/LUKP) and cardboard from recycled cartons were used as precursors for the method of physical activation with steam to prepare activated carbon fibers (ACFs). The ACFs were evaluated by a preliminary safety evaluation (Ames Test) and reverse mutation assay (antimutagenic activity). The Survival (%) for Salmonella typhimurium TA98 and TA100, with or without the S9 mix (an external metabolic activation system) in the test range (1.0-5.0 mg/plate of ACFs), were all higher than those of a blank (control group) by more than 80%, and the ACFs for TA98 and TA100 with or without S9 did not exceed spontaneous revertants by more than two times, indicating the ACFs had no cytotoxicity or mutagenicity. The antimutagenicity against strains for the ACFs showed an insignificant difference between his+ revertants and the blank, suggesting the safety of the ACFs used primarily as a material for food use. WACFP was made by adding 10,30 and 50 wt% of ACFs using the Beating CNS 12495 Method combined with preparation by the Handsheets CNS 11212 Method. The hygroscopic ability of WACFP was investigated. The water activity of all WACFP was from 0.40 to 0.45. The hygroscopicity of WACFP was 18.74-26.50% and 5.43-6.36% for 90% and 40% relative humidity (RH), and was lower than that of silica gel, 37.20 and 11.70%. While the hygroscopicity was changed from an RH 90% of absorption to an RH 40% desorption, the percent of desorption for the WACFP was reduced faster than that for silica gel. This can demonstrate that the percent weight of the tested saturated WACFP with different temperature desorptions decreased faster than that of silica gel. As a result, WACFP using ACFs prepared from NUKP, LUKP or cardboard could be a potential moisture-proof material for food use.

Original languageEnglish
Pages (from-to)163-171
Number of pages9
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume60
Issue number1
Publication statusPublished - Feb 1 2015
Externally publishedYes

Fingerprint

paperboard
environmental protection
Conservation of Natural Resources
activated carbon
Silica Gel
silica gel
Humidity
desorption
Wettability
cardboard
relative humidity
carbon fibers
carbon fiber
Food
Safety
Ames test
kraft pulp
antimutagenic activity

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

Cite this

Development of environmental protection Wood-Based Activated Carbon Fibers Paperboard and its application in hygroscopic ability. / Lin, Han Chien; Liou, Jyun Fu; Lee, Wen Ju; Wu, She Ching; Duh, Ming Hong; Fujimoto, Noboru.

In: Journal of the Faculty of Agriculture, Kyushu University, Vol. 60, No. 1, 01.02.2015, p. 163-171.

Research output: Contribution to journalArticle

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