The reprecipitation of cellulose from alkaline solutions was studied. The influence of the following factors on cellulose specific surface area was investigated: temperature, precipitant concentration, cellulose concentration in a stock alkaline solution, rate of precipitation, and presence of polyethylene glycol. After considering the results of regression analysis, the effects of different parameters on cellulose specific surface area were determined. The ratio of crystalline and amorphous phases in cellulose before and after reprecipitation was determined by XRD analysis.
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The authors are grateful to D. A. Bakulin for conducting X-ray diffraction experiments. The research was carried out within the framework of the Federal Target Program “Research and Development in Priority Areas for the Development of the Russian Science and Technology Complex for 2014-2020” with the financial support of the Ministry of Education and Science of the Russian Federation (project 14.577.21.0235, unique identifier: Applied Research and Experimental Development RFMEFI57716X0235).
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 5, pp. 57-59, September-October, 2017.
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Kotelev, M.S., Bobyleva, Z.V., Tiunov, I.A. et al. Investigation of the Influence of Conditions of Reprecipitation of Cellulose on its Adsorption Properties. Chem Technol Fuels Oils 53, 722–726 (2017). https://doi.org/10.1007/s10553-017-0854-y
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DOI: https://doi.org/10.1007/s10553-017-0854-y