Bacteria immobilized electrospun polycaprolactone and polylactic acid fibrous webs for remediation of textile dyes in water

Autor: Omer Faruk Sarioglu, Tamer Uyar, Nalan Oya San Keskin, Turgay Tekinay, Asli Celebioglu
Přispěvatelé: Uyar, Tamer
Rok vydání: 2017
Předmět:
Textile
Health
Toxicology and Mutagenesis
Dye bioremoval
Nanofibers
Optical density
02 engineering and technology
Wastewater
010501 environmental sciences
Polylactide
01 natural sciences
Bacterial immobilization
Bacterium adherence
chemistry.chemical_compound
Bacterium
Polylactic acid
pollutant removal
Computer software reusability
Water pollutant
Coloring Agents
Bacteria (microorganisms)
water pollution
Waste water management
biology
Textiles
General Medicine
Adhesion
021001 nanoscience & nanotechnology
Pollution
Waste water systems
Electrospinning
Polycaprolactone
Biodegradation
Environmental
Textile Industry
Bacterial isolates
Coloring agent
Bacterium isolation
Waste water
0210 nano-technology
Scanning electron microscopy
Bioremediation
Environmental Engineering
Environmental remediation
Polyesters
Immobilized bacteria
Polyester
Remediation
Bacterial adhesion
Removal performance
Microbiology
Immobilization
Environmental Chemistry
wastewater
0105 earth and related environmental sciences
Bacteria
business.industry
technology
industry
and agriculture
Public Health
Environmental and Occupational Health
Water
Nanofiber
General Chemistry
Concentration (composition)
Nonhuman
biology.organism_classification
Poly lactic acid
Clavibacter michiganensis
Biocomposite materials
Metabolism
Isolation and purification
chemistry
Chemical engineering
Initial dye concentration
Biocomposite
business
Controlled study
Water Pollutants
Chemical
Zdroj: Chemosphere
ISSN: 0045-6535
DOI: 10.1016/j.chemosphere.2017.06.020
Popis: In this study, preparation and application of novel biocomposite materials for textile dye removal which are produced by immobilization of specific bacteria onto electrospun nanofibrous webs are presented. A textile dye remediating bacterial isolate, Clavibacter michiganensis, was selected for bacterial immobilization, a commercial reactive textile dye, Setazol Blue BRF-X, was selected as the target contaminant, and electrospun polycaprolactone (PCL) and polylactic acid (PIA) nanofibrous polymeric webs were selected for bacterial integration. Bacterial adhesion onto nanofibrous webs was monitored by scanning electron microscopy (SEM) imaging and optical density (OD) measurements were performed for the detached bacteria. After achieving sufficient amounts of immobilized bacteria on electrospun nanofibrous webs, equivalent web samples were utilized for testing the dye removal capabilities. Both bacteria/PCL and bacteria/PLA webs have shown efficient remediation of Setazol Blue BRF-X dye within 48 hat each tested concentration (50, 100 and 200 mg/L), and their removal performances were very similar to the free bacteria cells. The bacteria immobilized webs were then tested for five times of reuse at an initial dye concentration of 100 mg/L, and found as potentially reusable with higher bacterial immobilization and faster dye removal capacities at the end of the test. Overall, these findings suggest that electrospun nanofibrous webs are available platforms for bacterial integration and the bacteria immobilized webs can be used as starting inocula for use in remediation of textile dyes in wastewater systems. (C) 2017 Elsevier Ltd. All rights reserved.
Databáze: OpenAIRE
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