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All-polyamide composite coated-fabric as an alternative material of construction for textile-bioreactors (TBRs)
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0002-1404-9134
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-3488-4003
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0001-5719-7252
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-4887-2433
2017 (English)In: Energies, ISSN 1996-1073, E-ISSN 1996-1073, Vol. 10, no 11Article in journal (Refereed) Published
Abstract [en]

All-polyamide composite coated-fabric (APCCF) was used as an alternative material for the construction of textile-bioreactors (TBRs), which are prepared as a replacement of the traditional stainless steel bioreactors (SSBRs) or concrete-based bioreactors. The material characteristics, as well as the fermentation process performance of the APCCF-TBR, was compared with a TBR made using the polyvinyl chloride (PVC)-coated polyester fabric (PVCCF). The TBRs were used for the anaerobic fermentation process using baker's yeast; and, for aerobic fermentation process using filamentous fungi, primarily by using waste streams from ethanol industries as the substrates. The results from the fermentation experiments were similar with those that were obtained from the cultivations that were carried out in conventional bioreactors. The techno-economic analysis conducted using a 5000 m3 APCCF-TBR for a typical fermentation facility would lead to a reduction of the annual production cost of the plant by 128,000,000 when compared to similar processes in SSBR. The comparative analyses (including mechanical and morphological studies, density measurements, thermal stability, ageing, and techno-economic analyses) revealed that the APCCF is a better candidate for the material of construction of the TBR. As the APCCF is a 100% recyclable single-polymer composite, which was prepared from Nylon 66 textile production-line waste, it could be considered as an environmentally sustainable product. 

Place, publisher, year, edition, pages
MDPI AG , 2017. Vol. 10, no 11
Keywords [en]
All-polyamide coated-fabric, Edible filamentous fungi cultivation, Nylon 66, Polyvinyl chloride (PVC) coated-textile, Single-polymer composite, Techno-economic analysis, Textile bioreactor, Waste management, Yeast fermentation
National Category
Industrial Biotechnology
Identifiers
URN: urn:nbn:se:hb:diva-14814DOI: 10.3390/en10111928ISI: 000417046500247Scopus ID: 2-s2.0-85035113895ISBN: 19961073 (ISSN) OAI: oai:DiVA.org:hb-14814DiVA, id: diva2:1236526
Available from: 2018-08-02 Created: 2018-08-02 Last updated: 2020-01-08
In thesis
1. Material development for textile bioreactor: All-polyamide composite for construction of bioreactors
Open this publication in new window or tab >>Material development for textile bioreactor: All-polyamide composite for construction of bioreactors
2019 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Bioreactors are manufactured from stainless/carbon steel, concrete, glass, etc., which are costly and time-consuming to install. Recently, several research studies have been initiated to find cost-efficient materials for constructing bioreactors, one of which is coated textiles. Polyvinyl chloride (PVC)-coated polyester textile (PVCT) has been used for this purpose to make bioreactors more cost-effective and easier to install. In this thesis, the thermal insulation property of PVCT was improved, that enhances the energy efficiency of the process carried out within the bioreactor. However, recycling PVCT is challenging, as it is a mixture of PVC, polyester fabric, a plasticizer for the PVC, chemical linkers, and other processing-aid additives. A possible solution to address these issues is to use a coated textile composed of a single material. The polyester fabric can be replaced with a better performing fabric, such as polyamide, that generally has a longer lifetime as well as higher mechanical stability and is light-weight. A facile method was introduced to make a same-polymer coated textiles composite out of polyamide through the partial dissolution of the fabric’s surface followed by coagulation. The all-polyamide composite coated textiles (APCT) is mechanically stronger and more thermally stable than the PVCT as well as having less weight. Additionally, the APCT is fully recyclable as it contains only a single component. This property can be beneficial for the recyclability of the material. The APCT can be used in the construction of textile bioreactors as well as other applications that require gas-/water-tightness and flexibility at the same time. In addition, a new solvent for polyamide was proposed which can be used for the preparation of the APCT. A computer-assisted theoretical solvent selection method based on the Hansen solubility parameters was also introduced. The findings of this research can increase the economic efficiency of the biofuel production process by decreasing the initial investment. From a technical perspective, the methods introduced in this thesis can encourage researchers in related fields to produce same-polymer composites and find/replace solvent(s) in a more efficient way.

Place, publisher, year, edition, pages
Borås: Högskolan i Borås, 2019
Series
Skrifter från Högskolan i Borås, ISSN 0280-381X ; 94
Keywords
textile bioreactor, biofuel, coated fabric; all-polyamide composite, polyvinyl chloride (PVC), solvent replacement, Hansen solubility parameters (HSPs)
National Category
Materials Chemistry
Research subject
Resource Recovery
Identifiers
urn:nbn:se:hb:diva-15939 (URN)978-91-88838-28-5 (ISBN)978-91-88838-29-2 (ISBN)
Public defence
2020-01-31, E310, Allégatan 1, Borås, 10:00 (English)
Opponent
Available from: 2020-01-08 Created: 2019-04-02 Last updated: 2020-01-08Bibliographically approved

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Jabbari, MostafaOsadolor, Osagie AlexNair, Ramkumar BTaherzadeh, Mohammad J

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