ArticleWorld journal of microbiology & biotechnology2015
Integration of poly-3-(hydroxybutyrate-co-hydroxyvalerate) production by Haloferax mediterranei through utilization of stillage from rice-based ethanol manufacture in India and its techno-economic analysis.
Article in World journal of microbiology & biotechnology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 74 citations in OpenAlex.
- Identification and Mitigation of Inhibitory Substances Contained in High-Salinity Crude Glycerol Generated from Biodiesel Production for Polyhydroxyalkanoate Synthesis byACS sustainable chemistry & engineering · 2025Article
- Bioplastic Production from Agri-Food Waste through the Use ofMicroorganisms · 2024Review
- Production of Polyhydroxyalkanoates for Biodegradable Food Packaging Applications UsingFoods (Basel, Switzerland) · 2024Review
- Unveiling the repressive mechanism of a PPS-like regulator (PspR) in polyhydroxyalkanoates biosynthesis network.Applied microbiology and biotechnology · 2024Article
- Bioconversion of bread waste into high-quality proteins and biopolymers by fermentation of archaeaFrontiers in microbiology · 2024Article
- Production of polyhydroxyalkanoates from renewable resources: a review on prospects, challenges and applications.Archives of microbiology · 2023Review
- Process Development of Polyhydroxyalkanoates Production by Halophiles Valorising Food Waste.Bioengineering (Basel, Switzerland) · 2022Article
- An updated overview on the regulatory circuits of polyhydroxyalkanoates synthesis.Microbial biotechnology · 2022Review
- A Critical Review on the Economically Feasible and Sustainable Poly(3-Hydroxybutyrate-Polymers · 2022Review
- Study on the production of high 3HV content PHBVFrontiers in microbiology · 2022Article
- Haloarchaea as Cell Factories to Produce Bioplastics.Marine drugs · 2021Review
- Halophilic archaea and their potential to generate renewable fuels and chemicals.Biotechnology and bioengineering · 2021Review
- Current developments on polyhydroxyalkanoates synthesis by using halophiles as a promising cell factory.Microbial cell factories · 2020Review
- Polyhydroxyalkanoate Biosynthesis at the Edge of Water Activitiy-Haloarchaea as Biopolyester Factories.Bioengineering (Basel, Switzerland) · 2019Review
- Polymerase chain reaction-based screening method applicable universally to environmental haloarchaea and halobacteria for identifying polyhydroxyalkanoate producers among them.Extremophiles : life under extreme conditions · 2015Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Haloferax mediterranei has potential for economical industrial-scale production of polyhydroxyalkanoate (PHA) as it can utilize cheap carbon sources, has capacity for nonsterile cultivation and allows simple product recovery. Molasses-based Indian distilleries are converting themselves to cereal-based distilleries. Waste stillage (14 l) of rice-based ethanol industry was used for the production of PHA by H. mediterranei in the simple plug-flow reactor configuration of the activated sludge process. Cells utilized stillage and accumulated 63 ± 3 % PHA of dry cell weight and produced 13.12 ± 0.05 g PHA/l. The product yield coefficient was 0.27 while 0.14 g/l h volumetric productivity was reached. Simultaneous lowering of 5-day biochemical oxygen demand and chemical oxygen demand values of stillage by 82 % was attained. The biopolymer was characterized as poly-3-(hydroxybutyrate-co-17.9 mol%-hydroxyvalerate) (PHBV). Directional properties of decanoic acid jointly with temperature-dependent water solubility in decanoic acid were employed for two-step desalination of the spent stillage medium in a cylindrical baffled-tank with an immersed heater and a stirrer holding axial and radial impellers. 99.3 % of the medium salts were recovered and re-used for PHA production. The cost of PHBV was estimated as US$2.05/kg when the annual production was simulated as 1890 tons. Desalination contributed maximally to the overall cost. Technology and cost-analysis demonstrate that PHA production integrated with ethanol manufacture is feasible in India. This study could be the basis for construction of a pilot plant.
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