title: Adsorption characteristics of sulfur powder by bamboo charcoal to restrain sulfur allergies.
abstract: Exposures to particulate matter with a diameter of 2.5 μm or less (PM2.5) may influence the risk of birth defects and make you allergic, which causes serious harm to human health. Bamboo charcoal can adsorb harmful substances,that was of benefitto people's health. In order to figure out the optimal adsorbtion condition and the intrinsic change of bamboo charcoal, five chemicals were adsorbed by bamboo charcoal and were analyzed by FT-IR. The optimal blast time was 80 min of Na2SO3, 100 min of Na2S2O8, 20 min of Na2SO4, 120 min of Fe2(SO4)3and 60 min or 100 min of S. FT-IR spectra showed that bamboo charcoal had five characteristic peaks of S-S stretch, H2O stretch, O-H stretch, C[bond, double bond]O stretch or C[bond, double bond]C stretch, and NO2stretch at 3850 cm-1, 3740 cm-1, 3430 cm-1, 1630 cm-1and 1530 cm-1, respectively. For Na2SO3, the peaks at 3850 cm-1, 3740 cm-1, 3430 cm-1, 1630 cm-1and 1530 cm-1achieved the maximum at 20 min. For Na2S2O8, the peaks at 3850 cm-1, 3740 cm-1, 3430 cm-1and 1530 cm-1achieved the maximum at 40 min. For Na2SO4, the peaks at 3850 cm-1, 3740 cm-1and 1530 cm-1achieved the maximum at 40 min. For Fe2(SO4)3, the peaks at 3850 cm-1, 3740 cm-1, 1630 cm-1and 1530 cm-1achieved the maximum at 120 min. For S, the peaks at 3850 cm-1and 3740 cm-1achieved the maximum at 40 min, the peaks at 1630 cm-1and 1530 cm-1achieved the maximum at 40 min. It proved that bamboo charcoal could remove sulfur powder from air to restrain sulfur allergies.
authors.affiliation: School of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China.|Laboratory of Biomaterials Science, Kyoto Prefectural University, Kyoto, Japan.
authors.forename: Wanxi
authors.initials: W
authors.lastname: Peng
authors.affiliation: School of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China.
authors.forename: Shengbo
authors.initials: S
authors.lastname: Ge
authors.affiliation: School of Management, Henan University of Technology, Zhengzhou, Henan 450001, China.
authors.forename: Zhenling
authors.initials: Z
authors.lastname: Liu
authors.affiliation: Laboratory of Biomaterials Science, Kyoto Prefectural University, Kyoto, Japan.
authors.forename: Yuzo
authors.initials: Y
authors.lastname: Furuta
keywords: Bamboo charcoal; Desulfuration; Fe2(SO4)3; Na2S2O8; Na2SO3; Na2SO4; S