Počet záznamov: 1
Fine dust after sanding untreated and thermally modified spruce, oak, and meranti wood
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$a 10.1007/s00107-023-01971-2 $2 DOI 035 $a biblio/1086340 $2 CREPC2 100 $a 20231018d2023 m y slo 03 ba 101 0-
$a eng 102 $a DE 200 1-
$a Fine dust after sanding untreated and thermally modified spruce, oak, and meranti wood $f Maciej Sydor, Jerzy Majka ... [et al.] 330 $a Airborne wood dust poses health and safety risks in the construction and furniture industry. The study verified whether the thermal modification affects the share of fine wood dust particles (< 10 μm) generated during spruce, oak, and meranti wood sanding. The experimental research involved nine material variants, including three wood species in three states: untreated, thermally modified at 160 °C, and thermally modified at 220 °C). To collect at least 200 g of each dust sample, a belt sander with P80 sandpaper and a belt speed of 10 m/s was used, along with a dust collector. The collected dust was then separated into fractions using a set of sieves with aperture sizes of 2000, 1000, 500, 250, and 125 μm. A laser particle sizer was employed to measure the sizes of dust particles in the under-sieve fraction (dust with particle sizes smaller than 125 μm). The under-sieve fraction was decomposed into three subfractions, with particle sizes: <2.5, 2.5-4.0, and 4.0–10 μm. Surprisingly the results indicate that sanding dust from thermally modified wood generates a lower average mass share of potentially harmful fine particle fractions than dust from untreated wood. Oak dust contained a higher mass share of fine particles compared to the spruce and meranti dust samples. Dust from thermally modified oak and meranti wood had a lower content of harmful particle fractions than dust from untreated wood. The average mass shares of these dust fractions for modified wood at 160 and 220 °C showed no statictically significant differences (p < 0.05). Conversely, spruce dust had a low content of fine fractions because spruce particles exhibit a more irregular elongated shape. The study considered the extreme temperatures of 160 and 220 °C used in the thermal modification of wood. Therefore, the above statements are assumed to be valid for all intermediate thermo-modification temperatures. 463 -1
$1 001 umb_un_cat*0323683 $1 011 $a 0018-3768 $1 011 $a 1436-736X $1 200 1 $a European journal of wood and wood products $d Holz als Roh- und Werkstoff $v Vol. 81, no. 6 (2023), pp. 1455-1464 $1 210 $a Berlin $c Springer-Verlag $d 2023 606 0-
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$3 umb_un_auth*0288593 $a Majka $b Jerzy $4 070 $9 5 701 -1
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$3 umb_un_auth*0223740 $a Rogoziński $b Tomasz $4 070 $9 5 801 $a SK $b BB301 $g AACR2 $9 unimarc sk 856 $u https://link.springer.com/article/10.1007/s00107-023-01971-2 $a Link na zdrojový dokument T85 $x existuji fulltexy
Počet záznamov: 1