Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Elyas Afra"'
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 9, Iss 1, Pp 53-63 (2018)
Several factors cause the degradation of cellulose that the most important factor of them is Acidic Hydrolysis. Many historical books are gradually destroyed due to acidic hydrolysis and reduction of the degree of polymerization of cellulose. So deac
Externí odkaz:
https://doaj.org/article/e552af2710c249c4b9ed3e5cec79789a
Autor:
elyas afra, parvaneh Narchin
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 7, Iss 4, Pp 561-572 (2017)
Antibacterial papers such as food packaging papers are important for human health. In this study, with the aim of the production of environmentally friendly antibacterial paper, nanoclay was selected as a productive agent of antibacterial effect. Sin
Externí odkaz:
https://doaj.org/article/f7dc8dce581d46df8750e4cdee2deb29
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 31, Iss 2, Pp 224-236 (2016)
In this research, nano fibrillated cellulose, as a reinforcement nano material and environmentally biodegradable material which has recently attracted the attention of most researchers and paper producers, has been added to chemi-mechanical pulp used
Externí odkaz:
https://doaj.org/article/5f31d92935fc484bb8c604e997a40d46
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 5, Iss 2, Pp 81-92 (2014)
Surface properties of cellulosic fibers can be modified by Layer-by-Layer (LbL) technique. Cotton fibers are one of important non-wood and industrial cellulosic resources in the world. Cotton linters is produced as a by-product accompany with cotton
Externí odkaz:
https://doaj.org/article/31a5cc83837e4cf4bceba4581423bca3
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 29, Iss 2, Pp 254-265 (2014)
In this research, the effect of different steps of enzymatic treatment including enzymatic pre-refining and post-refining by Endoglucanase was investigated on the quality of OCC pulp. Three pulps including a: control sample (without enzyme addition),
Externí odkaz:
https://doaj.org/article/812df3b222d5490e8fef60c77a278d89
Investigation of the Effect of Endoglucanase Treatment on Beatability and Drainage Rate of OCC Pulps
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 5, Iss 1, Pp 129-138 (2014)
This research was performed to investigate of different endoglucanase levels and enzymatic treatment times on the beatability and drainage rate of OCC pulp. Endoglucanase enzyme with different dosages including 1u, 2u and 3u (on oven dry based pulp)
Externí odkaz:
https://doaj.org/article/8ef74ece9bab458189faa34d931b957a
Autor:
Elyas Afra, Iman Akbarpour
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 4, Iss 2, Pp 111-122 (2013)
In this study, the effect of enzymatic refining with endoglucanase was investigated on the physical and mechanical properties of OCC pulp. Collected OCC pulps were pre-treated with different endoglucanse dosages (1u, 2u and 3u on o.d. pulp) under con
Externí odkaz:
https://doaj.org/article/641759306f8c4de4835b4b297f3796ce
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 3, Iss 2, Pp 77-90 (2013)
Several processing parameters affect the function of cellulose nanofiber as an environmentally friend cellulosic reinforcer. One of the potential parameters can be the mixing temperature of pulp and cellulose nanofiber that has been investigated in t
Externí odkaz:
https://doaj.org/article/198d0d6078e44a6da2f47b8a6c41e027
Publikováno v:
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. :1-12
Biomass has increasingly proven as a sustainable and important resource for the production of renewable fuels worldwide. The present study investigated the effect of cellulosic binders on thermal a...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::816a997e70064195226d7e6b76f543a4
https://doi.org/10.1080/15567036.2020.1806955
https://doi.org/10.1080/15567036.2020.1806955
Autor:
Nasibeh Mohammadi, Elyas Afra
Publikováno v:
انرژیهای تجدیدپذیر و نو, Vol 7, Iss 1, Pp 12-19 (2020)
Using of biomass for energy purpose in the path of sustainable energy supply and in response to increasing energy demand can be an effective solution. Biofuel reduces global warming impacts, which is today the main concern of the countries of the wor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::b03128dc650db9bae3909841ff62ae21
http://www.jrenew.ir/article_93846_cc5682abe1d78a91c9897450f27375ab.pdf
http://www.jrenew.ir/article_93846_cc5682abe1d78a91c9897450f27375ab.pdf