Cellulose microfibrils from banana rachis: Effect of alkaline treatments on structural and morphological features

Zuluaga, Robín; Putaux, Jean‐Luc; Cruz, Javier; Vélez, Juan Manuel; Mondragón, Iñaki; Gañán, Piedad

doi:10.1016/j.carbpol.2008.09.024

Cited by 411 publications

(238 citation statements)

References 60 publications

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“…Preparation and modification of bagasse with dithizone was performed according to experiments obtained in previous studies (24)(25)(26). Accordingly, bagasse was washed in running water for 24 hours to eliminate mud sticking to the trashes and remaining sugars in its structure.…”

Section: Preparation Of Dithizone-modified Bagasse Adsorbentmentioning

confidence: 99%

Removal of Pb (II) From Contaminated Water by Bagasse Adsorbent Modified with Dithizone

Shiralipour

Hamoule

Manochehripour

2018

Jundishapur J Health Sci

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Background: Nowadays, water pollution by toxic elements has become a universal environmental issue. Lead, as a toxic element, is approximately enhanced in the environment by industrial development. The potential risk of lead to health has attracted the interest of researchers to eliminate it from contaminated water. Objectives: In the present study, a dithizone-modified bagasse adsorbent, used for removing lead ions from aqueous solutions, was successfully prepared. Methods: The prepared adsorbent was characterized by FT-IR and XRD techniques. The adsorptive properties of adsorbent were studied at room temperature. Different parameters like pH value, solution concentration, adsorption time, and amount of adsorbent were optimized. Results: Results show that the adsorption of lead on dithizone-modified bagasse fitted well to the Freundlich isotherm equation following the Langmuir isotherm. The maximum removal efficiency was obtained to be more than 99.5% in a short contact time (1.0 minutes) at pH 6. The loading capacity was studied and obtained to be 37.20 mg g -1 . The adsorption process was replicated for 4 times without a considerable loss in its efficiency (> 95%). Conclusions: High efficiency at a short time, recyclability, and biodegradability are the main advantages of this adsorbent. The proposed method is cost-effective and environmentally friendly.

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Section: Preparation Of Dithizone-modified Bagasse Adsorbentmentioning

confidence: 99%

Removal of Pb (II) From Contaminated Water by Bagasse Adsorbent Modified with Dithizone

Shiralipour

Hamoule

Manochehripour

2018

Jundishapur J Health Sci

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“…The bio-refining of BSG and techno-economic analysis is reported by Mussatto et al (2006). Nano-cellulose has been reported to be prepared from a wide range of sources, including raw cotton linter (Morais et al 2013), sisal fibres (Morán et al 2008), sugarcane bagasse (Mandal and Chakrabarty 2011), oil palm empty-fruit-bunch (Fahma et al 2010), rice husk, (Ludueña et al 2011), wood (Abe et al 2007), bamboo (Abe and Yano 2009), cotton (Morais et al 2013), soy hulls (Alemdar and Sain 2008), hemp (Wang et al 2007), branch-barks of mulberry (Li et al 2009), pineapple leaf fibres (Cherian et al 2010), pea hull fibre (Chen et al 2009), coconut husk fibres (Rosa et al 2010), banana rachis (Zuluaga et al 2009) and sugar beet (Dufresne et al 1997;Dinand et al 1999). In a very recent study (Berglund et al 2016), production of CNF from BSG has been reported using an ultragrinding method with a main focus on energy consumption and feasibility of the process.…”

Section: Introductionmentioning

confidence: 99%

Utilising Brewer’s Spent Grain as a Source of Cellulose Nanofibres Following Separation of Protein-based Biomass

Mishra¹,

Gregor²,

Wimmer³

2016

BioResources

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A multistage process was employed to obtain value-added products from brewer's spent grain (BSG). This paper is focused on the production and characterisation of cellulose nano-fibres (CNF) as one of the products obtained during the complete process. In the first stage, protein-rich liquor was separated via the alkaline (NaOH) treatment of dried BSG and stored for further utilisation. In the second stage, bleaching treatments were conducted to separate cellulose, which was later converted to CNF by high-pressure homogenisation. The lignocellulosic product from each step was analysed for its chemical composition by means of alkaline hydrolysis combined with the HPEAC method. The thermal properties were measured using thermogravimetric analysis (TGA). The morphology was studied using scanning electron microscopy (SEM) and atomic force microscopy (AFM). X-ray diffraction (XRD) was done to observe changes in crystallinity. The nano-cellulose produced can be regarded as a value-added material from the bio-refinery of BSG along with numerous already-reported products.

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“…Cellulose is the most abundant natural biopolymer found in the world, and it has considerable advantages, such as environmental friendliness, biodegradability, and renewability (Goetz et al 2009;Li et al 2009;Zuluaga et al 2009). Many different kinds of cellulose materials exist in nano-scale.…”

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Polysulfone/Sulfonated Polysulfone/Cellulose Nanofibers Ternary Blend Membranes

Zhong¹,

Ding²,

Li³

et al. 2015

BioResources

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Ternary blend membranes were prepared with polysulfone (PSf), sulfonated polysulfone (SPSf), and cellulose nanofibers (CNF) by a LoebSourirajan (L-S) phase inversion process. The cross-section and bottom surface morphology of the membranes were analyzed by scanning electron microscopy (SEM), and the performance of the membranes was evaluated in terms of pure water flux, bovine serum albumin (BSA) rejection, contact angle, tensile strength, and breaking elongation. The morphology of the cellulose nanofibers (CNF) was detected by transmission electron microscopy (TEM). Results showed that within a certain range, the addition of SPSf improved compatibility between PSf and CNF, and the addition of CNF could improve the hydrophilicity of the membranes. The maximum value of pure water flux reached 137.6 L/m 2 h, and the minimum value of BSA rejection reached 95.8% when CNF content was 0.3 wt% in casting solution. Also, a certain addition of CNF could enhance the mechanical properties of the membranes.

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Cellulose microfibrils from banana rachis: Effect of alkaline treatments on structural and morphological features

Cited by 411 publications

References 60 publications

Removal of Pb (II) From Contaminated Water by Bagasse Adsorbent Modified with Dithizone

Removal of Pb (II) From Contaminated Water by Bagasse Adsorbent Modified with Dithizone

Utilising Brewer’s Spent Grain as a Source of Cellulose Nanofibres Following Separation of Protein-based Biomass

Preparation and Characterization of Polysulfone/Sulfonated Polysulfone/Cellulose Nanofibers Ternary Blend Membranes

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