Desalination performance of a forward osmosis membrane from acetylated nata de coco (bacterial cellulose)

Alberto, Erika Louise A.; Ocampo, Ailey Nicole V. de; Depasupil, Christopere Ghil E.; Ligaray, Mayzonee; Eusebio, Ramon Christian; Orbecido, Aileen H.; Beltran, Arnel B.; Bautista-Patacsil, Liza

doi:10.1063/1.5117085

Cited by 4 publications

(2 citation statements)

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“…Results showed unprecedented desalination capacities (55-79 mg g À1 of salt at an initial concentration of 585 mg L -1 ). Forward, Alberto et al [150] fabricated an RO membrane from BC that used to remove NaCl. Membranes' performance exhibited high thickness, strength, and porosity with a potential NaCl removal (97.9%).…”

Section: Water Desalinationmentioning

confidence: 99%

Bacterial Cellulose Nanofibers

Hamimed

Abdeljelil

Landoulsi

et al. 2022

Handbook of Nanocelluloses

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Cellulose is among the world's wealthiest biopolymers and primarily has a wood, plant, and microbial source. To date, cellulose nanofibers (CNFs) are synthesized under controlled conditions (temperature, pH, and agitation). The bacterial synthesis of CNFs, so-called bacterial cellulose (BC), has become actively interested in recent times. These emerged natural biopolymers have excellent hydrophilicity, biodegradability, renewability, and mechanical properties. The nanoscale dimension of the synthesized cellulose provides a sizeable functional surface area, low weight and density, and a high-interconnected pore system. Based on these properties, bacterial cellulose nanofibers open a broad range of environmental applications as biosorbents, ultrafiltration membrane, as well as a bio-reducing agent for the biosynthesis of nanoparticles with high photocatalytic activity. Moreover, these nanofibers prove their complete applications in the biomedical, textile, food, and cosmetic industries. The present chapter is devoted to investigating the mechanism of bacterial cellulose nanofibers biosynthesis, functionalization, and its area of applications.

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Section: Water Desalinationmentioning

confidence: 99%

Bacterial Cellulose Nanofibers

Hamimed

Abdeljelil

Landoulsi

et al. 2022

Handbook of Nanocelluloses

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“…BC as a membrane has been used in several applications in the medical field and food industry [10]. There are recent studies that also utilized BC in separation processes, specifically for forward osmosis and desalination [9,[11][12]. However, studies on the selection of DS and operating parameters suitable for a BC membrane are still relatively few and have yet to be further investigated.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Draw Solutions for Forward Osmosis Using a Sodium Alginate-Bacterial Cellulose Membrane for Water Recovery

Acyatan

Lim

Orbecido

et al. 2022

AEJ

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Forward osmosis (FO) is an emerging membrane technology that is comparable with existing industrial membrane separation processes. Several studies have shown the potential of bacterial cellulose-alginate (BCA) as membrane material for FO system. An ideal draw solution (DS) compatible with this material was investigated. The three solutions used in the study include NaCl, MgCl2, and fructose. A simulated dirty water was used as the feed solution (FS) and a BCA as the membrane. An optimization study was conducted using central composite design (CCD) with the aid of Design Expert 7.0.0. The optimization was based on a fitted linear model analyzed through ANOVA with the normalized water flux maximized. The optimal solution was determined to be fructose with operating conditions at an osmotic pressure of 70 bar and a flow rate of 300 mL/min. The normalized water flux given these optimal conditions is predicted to be 1.437 LMH∙mm with a desirability of 0.768.

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