The effect of nanocrystalline cellulose on flow properties of fiber crop aqueous suspension

Gharehkhani, Samira and Seyed Shirazi, Seyed Farid and Yarmand, Hooman and Montazer, Elham and Kazi, Salim Newaz and Ibrahim, Rushdan and Ashjaei, Mehdi and Zulkifli, Nurin Wahidah Mohd and Rahmati, Sadegh (2018) The effect of nanocrystalline cellulose on flow properties of fiber crop aqueous suspension. Carbohydrate Polymers, 184. pp. 376-382. ISSN 0144-8617, DOI

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Nanocrystalline cellulose (NCC) a nature-based material, has gained significant attentions for its unique properties. The present study aims to investigate the flow behavior of cellulosic suspension containing non-wood pulp fibers and NCC, by means of rheological and pressure drop measurements. The NCC sample was prepared by sulfuric acid hydrolysis from Acacia mangium fibers. The rheological properties of kenaf/NCC suspensions were studied using viscosity and yield stress measurements. The pressure drop properties of the suspension flow were studied with respect to variation in flow velocity (0.4 m/s–3.6 m/s) and the NCC concentration (70 mg/l and 150 mg/l). The pressure drop results showed that the pulp suspension containing 150 mg/l NCC had higher drag reduction than kenaf suspension alone. The present insights into the flow of pulp/NCC suspension provide a new data and promote the application of NCC in industries.

Item Type: Article
Funders: High Impact Research Grant UM.C/HIR/MOHE/ENG/45, UMRG Grant RP045C-17AET, University of Malaya, Malaysia
Uncontrolled Keywords: Nanocrystalline cellulose; Fiber suspension; Rheological properties; Drag reduction
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 26 Aug 2019 01:04
Last Modified: 26 Aug 2019 01:04

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