Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Katsunobu Ehara"'
Publikováno v:
Journal of Wood Science. 51:256-261
Softwood (Cryptomeria japonica) and hardwood (Fagus crenata) were treated in supercritical water (380°C, 100 MPa) for 8 s. The treated woods were fractionated to the water-soluble portion, methanol-soluble portion, and methanol-insoluble residues. F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::945e66292ec2ff44ffb489b8304c02fb
https://doi.org/10.1007/s10086-004-0653-z
https://doi.org/10.1007/s10086-004-0653-z
Autor:
Katsunobu Ehara, Shiro Saka
Publikováno v:
Journal of Wood Science. 51:148-153
A comparative study on decomposition of cellulose between supercritical water (400°C, 40 MPa) and subcritical water (280°C, 40 MPa) treatments was made to elucidate the difference in their decomposition behavior. Consequently, the supercritical wat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bcf9455aceecc6d8913bda775fcc7c3
https://doi.org/10.1007/s10086-004-0626-2
https://doi.org/10.1007/s10086-004-0626-2
Publikováno v:
Mokuzai Gakkaishi. 51:207-217
大量生産, 大量消費, 大量廃棄が美徳と考えられた20世紀の人類文明に対する反省から, 21世紀においては環境調和型社会の構築が求められている。46億年という地球の長い歴史の中で, ほ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4193d0cd5b6fe59d47881a739b0ef3fa
https://doi.org/10.2488/jwrs.51.207
https://doi.org/10.2488/jwrs.51.207
Publikováno v:
Applied Biochemistry and Biotechnology. 123:0795-0806
Japanese beech (Fagus crenata Blume), its cell wall components, and model compounds were treated by supercritical water (380 degrees C, 100 MPa) for 5 s using a batch-type reactor to investigate the production behavior of low molecular weight organic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::721cc0f097d12ce047fe913a939da8c1
https://doi.org/10.1385/abab:123:1-3:0795
https://doi.org/10.1385/abab:123:1-3:0795
Publikováno v:
Journal of Wood Science. 50:253-259
Sugi (Cryptomeria japonica D. Don) wood was treated with supercritical water (≫374°C, ≫22.1 MPa), and fractionated into the water-soluble portion, the methanol-soluble portion, and the methanol-insoluble residue. The methanol-soluble portion mai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaa71053d85529367bc64ce70bd35ee4
https://doi.org/10.1007/s10086-003-0562-6
https://doi.org/10.1007/s10086-003-0562-6
Publikováno v:
Journal of Wood Science. 48:320-325
Sugi (Cryptomeria japonica D. Don) and buna (Fugus crenata Blume) woods were treated with supercritical water (>374°C, >22.1 MPa) and fractionated into a water-soluble portion and a water-insoluble residue. The latter was washed with methanol to be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5484171794f26b2de369ef6eab405728
https://doi.org/10.1007/bf00831354
https://doi.org/10.1007/bf00831354
Autor:
Katsunobu Ehara, Shiro Saka
Publikováno v:
Cellulose. 9:301-311
Microcrystalline cellulose (avicel) was treated in supercritical waterusing batch-type and flow-type systems. The flow-type system made it possibletoshorten the heating, treating and cooling times, compared with the batch-typesystem. As a result, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eea134f2d3516bd60535ea3b85df441a
https://doi.org/10.1023/a:1021192711007
https://doi.org/10.1023/a:1021192711007
Publikováno v:
Journal of Wood Science. 46:137-142
The role of Tween 80 in biobleaching of unbleached hardwood kraft pulp (HWKP) with manganese peroxidase (MnP) was investigated. Among the surfactants (e.g., Tween 80, Tween 20, CHAPSO) the most significant brightness increase was obtained with Tween
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84aed3b51bae79963022c452abb1b091
https://doi.org/10.1007/bf00777360
https://doi.org/10.1007/bf00777360
Publikováno v:
Journal of Wood Science. 46:180-183
A possible role of Tween 80 in the polyethylene degradation by manganese peroxidase (MnP) and the basis of the MnP action in the absence of hydrogen peroxide were investigated. The MnP activity in the system was retained its maximum level for 6 days
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::369565a82f0eed0fb75c1a38b5b700c9
https://doi.org/10.1007/bf00777369
https://doi.org/10.1007/bf00777369
Publikováno v:
Journal of Wood Science. 44:327-331
Structural changes of residual lignin in unbleached softwood kraft pulp (SWKP) during manganese peroxidase (MnP) treatment were investigated to obtain some understanding of the biobleaching action of SWKP with MnP treatment. Alkaline-extracted lignin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf74454e7efdbe8be49481f40f1391cc
https://doi.org/10.1007/bf00581315
https://doi.org/10.1007/bf00581315