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Bio Fuels

Dengjie Zhong, Xinrong Liao, Yaqi Liu, Nianbing Zhong, Yunlan Xu
It is of significant importance to simultaneously shorten the start-up time and enhance the electricity generation performance for practical application of microbial fuel cell (MFC). In this paper, the polydiallyldimethylammonium chloride (PDDA) modified carbon felt (PDDA-CF) electrode was prepared and used as the anode of PDDA-MFC. The anode significantly enhanced the start-up speed and electricity generation and dye wastewater degradation performances of the PDDA-MFC. The start-up time of PDDA-MFC is only 9 h, which is only 7...
August 1, 2018: Biosensors & Bioelectronics
V Hariram, S Prakash, S Seralathan, T Micha Premkumar
This data article presents the experimental values pertaining to the bio-oil extraction, optimizing biodiesel production and formulation of emulsified fuel blends of E.tereticornisis bio-oil for its use in compression ignition engine. The E.tereticornisis leaves were collected from the interior region of Puducherry, India. Soxhlet extraction process, in the presence of n-hexane, yielded 5.2% of bio-oil. Based on the free fatty acid content, base catalysed transesterification process was adopted along with use of sodium hydroxide and methanol...
October 2018: Data in Brief
Peng Cheng, Rui Shan, Hao-Ran Yuan, Li-Fang Deng, Yong Chen
In this study, a trehalose lipid was added to a Rhodococcus pyridinivorans-inoculated MFC to improve the power output by enhancing electron transfer. Upon trehalose lipid additions of different concentrate from 0 to 20 mg/L, the maximum power density increased from 54.7 mW/m2 to 324.4 mW/m2 (5.93 times) while the corresponding current density was 3.66 times increased from 0.35 A/m2 to 1.28 A/m2 . Cyclic voltammetry analysis revealed that the addition of trehalose lipid increased the electron transfer performance, while electrochemical impedance spectroscopy results proved a decrease in internal resistance...
August 4, 2018: Bioresource Technology
Khalid A Al-Hothaly
The use of fossil fuels which are derived from non-renewable sources has been linked to global warming, adverse human health effects and environmental pollution. Consequently, there is a need to develop alternative sources of fuel that are renewable and more environment-friendly. Biofuel (biodiesel), produced from microalgae such as Botryococcus braunii is an alternative energy source, that is renewable (because algae can be cultured as needed), more biodegradable with lower global warming potential compared to fossil fuels...
2018: MethodsX
Sachin Agate, Michael Joyce, Lucian Lucia, Lokendra Pal
Flexible-hybrid printed electronics (FHPE) is a rapidly growing discipline that may be described as the precise imprinting of electrically functional traces and components onto a substrate such as paper to create functional electronic devices. The mass production of low-cost devices and components such as environmental sensors, bio-sensors, actuators, lab on chip (LOCs), radio frequency identification (RFID) smart tags, light emitting diodes (LEDs), smart fabrics and labels, wallpaper, solar cells, fuel cells, and batteries are major driving factors for the industry...
October 15, 2018: Carbohydrate Polymers
Sara González-García, Jacopo Bacenetti
The concerns related to the environmental impact related to energy production from fossil fuel are increasing. In this context, the substitution of fossil fuel based energy by bio-energy can be an effective solution. In this study, the production of electricity and heat in Italy in a combined heat and power plant (CHP) based on an Organic Rankine Cycle (ORC) turbine from wood based biomass both from forest and agricultural activities has been analysed considering four potential alternative scenarios to the current energy status: biomass from very short rotation forestry (VSRF) poplar and willow stands as well as residues from natural forests and from traditional poplar plantations...
July 24, 2018: Science of the Total Environment
Tunc Catal, Sehnaz Yavaser, Vildan Enisoglu-Atalay, Hakan Bermek, Selma Ozilhan
Indirect detection and quantification of the neomycin sulfate antibiotic was accomplished in microbial fuel cells. Performance of the microbial fuel cells was examined on the basis of the following parameters; voltage generation, power density, current density and coulombic efficiencies. Removal of neomycin sulfate was monitored using LC-MS/MS in parallel with chemical oxygen demand and total carbohydrate removal. While neomycin sulfate was partially degraded, microbial fuel cell performance appeared to be affected and eventually inhibited by neomycin sulfate on a concentration-based fashion...
July 26, 2018: Bioresource Technology
Elena Geiser, Hamed Hosseinpour Tehrani, Svenja Meyer, Lars M Blank, Nick Wierckx
Background: Itaconate is getting growing biotechnological significance, due to its use as a platform compound for the production of bio-based polymers, chemicals, and novel fuels. Currently, Aspergillus terreus is used for its industrial production. The Ustilaginaceae family of smut fungi, especially Ustilago maydis , has gained biotechnological interest, due to its ability to naturally produce this dicarboxylic acid. The unicellular, non-filamentous growth form makes these fungi promising alternative candidates for itaconate production...
2018: Fungal Biology and Biotechnology
M I ElGalad, K M El-Khatib, E Abdelkader, R El-Araby, G ElDiwani, S I Hawash
Distillate of upgraded palm biodiesel was blended in different volume percentages (5, 10, 15, and 20%) with jet A-1. The mixture can be used as a replacement for petroleum Jet fuel. Physical properties of blends were measured and compared with those of jet A-1. Empirical equations were developed to predict the properties of blended fuel, including density, kinematic viscosity, freezing point, H/C ratio, and acid value. The statistical analysis indicated that the proposed equations predictions agree well with the experimental data...
January 2018: Journal of Advanced Research
Judith Becker, Christina Maria Rohles, Christoph Wittmann
Corynebacterium glutamicum is a major workhorse in industrial biotechnology. For the past several decades, this soil bacterium has been used to produce the amino acids l-glutamate and l-lysine at a level of 6 million tons per year. Utilizing novel genome editing methods and advanced tools of systems and synthetic biology, the portfolio of C. glutamicum has exploded from classical food and feed products to the chemical industry, cosmetics and healthcare applications. Within the past five years, the number of industrial products has almost doubled to approximately 70 natural and nonnatural compounds...
July 19, 2018: Metabolic Engineering
Yingxi Chen, Michael Reinhardt, Natalia Neris, Lucas Kerns, Thomas J Mansell, Laura R Jarboe
Fermentative production of many attractive biorenewable fuels and chemicals is limited by product toxicity in the form of damage to the microbial cell membrane. Metabolic engineering of the production organism can help to mitigate this problem, but there is need for identification and prioritization of the most effective engineering targets. Here, we use a set of previously-characterized environmental E. coli isolates with high tolerance and production of octanoic acid, a model membrane-damaging biorenewable product, as a case study for identifying and prioritizing membrane engineering strategies...
July 20, 2018: Applied and Environmental Microbiology
Wei Chen, Haiping Yang, Yingquan Chen, Kaixu Li, Mingwei Xia, Hanping Chen
Algae are extremely promising sustainable feedstock for fuels and chemicals, while they contain high nitrogen content, which may cause some serious nitrogen emission during algae pyrolysis utilization. In this study, we proposed a feasible method to control the nitrogen emission during algae pyrolysis by introducing lignocellulosic biomass and biochar addition. Nitrogen transformation mechanism was investigated through quantitative analysis of N-species in the pyrolysis products. Results showed that copyrolysis of algae and lignocellulosic biomass greatly increased nitrogen in solid char with large amount of NH3 and HCN releasing (∼20 wt %), while nitrogen in bio-oil decreased largely...
August 1, 2018: Environmental Science & Technology
Milena Rusin, Janina Gospodarek, Aleksandra Nadgórska-Socha, Gabriela Barczyk, Elżbieta Boligłowa, Marzena Dabioch
The aim of the study was to determine the effects of various petroleum-derived substances (PDSs), namely petrol, diesel fuel, and spent engine oil, on life history traits of the bird cherry-oat aphid Rhopalosiphum padi L., and on the growth and chemical composition of its host plant-winter wheat Triticum aestivum L. Each substance was tested separately, using two concentrations (9 and 18 g kg-1 ). Plants were cultivated in both control and contaminated soils. In early October 2013, soil was contaminated and after 1 week, winter wheat seeds, 'Batuta' cultivar, were sown...
July 16, 2018: Environmental Science and Pollution Research International
Lahiru N Jayakody, Jing-Jing Liu, Eun Ju Yun, Timothy Lee Turner, Eun Joong Oh, Yong-Su Jin
Simultaneous saccharification and fermentation (SSF) of cellulose via engineered Saccharomyces cerevisiae is a sustainable solution to valorize cellulose into fuels and chemicals. In this study, we demonstrate the feasibility of direct conversion of cellulose into ethanol and a bio-degradable surfactant, ethyl-β-d-glucoside, via an engineered yeast strain (i.e., strain EJ2) expressing heterologous cellodextrin transporter (CDT-1) and intracellular β-glucosidase (GH1-1) originating from Neurospora crassa. We identified the formation of ethyl-β-d-glucoside in SSF of cellulose by the EJ2 strain owing to transglycosylation activity of GH1-1...
July 16, 2018: Biotechnology and Bioengineering
Deanne W Sammond, Noah Kastelowitz, Bryon S Donohoe, Markus Alahuhta, Vladimir V Lunin, Daehwan Chung, Nicholas S Sarai, Hang Yin, Ashutosh Mittal, Michael E Himmel, Adam M Guss, Yannick J Bomble
Background: Strategies for maximizing the microbial production of bio-based chemicals and fuels include eliminating branched points to streamline metabolic pathways. While this is often achieved by removing key enzymes, the introduction of nonnative enzymes can provide metabolic shortcuts, bypassing branched points to decrease the production of undesired side-products. Pyruvate decarboxylase (PDC) can provide such a shortcut in industrially promising thermophilic organisms; yet to date, this enzyme has not been found in any thermophilic organism...
2018: Biotechnology for Biofuels
Nalok Dutta, Malay Kumar Saha
BACKGROUND: Appropriate pretreatment strategies that fractionate sugarcane bagasse (SB) are essential for the successful implementation of this feedstock in ethanol production. In this paper, we investigate a purely enzymatic process to achieve increased production of reducing sugars from SB in presence of magnesium oxide nanoparticles (MgN) submitted to three-step sequential enzyme treatment. RESULT: Pre-treatment of SB with MgN-pro at 95°C showed an increase in amino acid production by 6...
July 11, 2018: Journal of the Science of Food and Agriculture
Michail-Antisthenis Tsompanas, Andy Adamatzky, Ioannis Ieropoulos, Neil Phillips, Georgios Ch Sirakoulis, John Greenman
An accurate modelling of bio-electrochemical processes that govern Microbial Fuel Cells (MFCs) and mapping their behaviour according to several parameters will enhance the development of MFC technology and enable their successful implementation in well defined applications. The geometry of the electrodes is among key parameters determining efficiency of MFCs due to the formation of a biofilm of anodophilic bacteria on the anode electrode, which is a decisive factor for the functionality of the device. We simulate the bio-electrochemical processes in an MFC while taking into account the geometry of the electrodes...
April 30, 2018: IEEE/ACM Transactions on Computational Biology and Bioinformatics
Sheeja Jagadevan, Avik Banerjee, Chiranjib Banerjee, Chandan Guria, Rameshwar Tiwari, Mehak Baweja, Pratyoosh Shukla
In the wake of the uprising global energy crisis, microalgae have emerged as an alternate feedstock for biofuel production. In addition, microalgae bear immense potential as bio-cell factories in terms of producing key chemicals, recombinant proteins, enzymes, lipid, hydrogen and alcohol. Abstraction of such high-value products (algal biorefinery approach) facilitates to make microalgae-based renewable energy an economically viable option. Synthetic biology is an emerging field that harmoniously blends science and engineering to help design and construct novel biological systems, with an aim to achieve rationally formulated objectives...
2018: Biotechnology for Biofuels
Zhi-Yan Du, Jonathan Alvaro, Brennan Hyden, Krzysztof Zienkiewicz, Nils Benning, Agnieszka Zienkiewicz, Gregory Bonito, Christoph Benning
Background: Although microalgal biofuels have potential advantages over conventional fossil fuels, high production costs limit their application in the market. We developed bio-flocculation and incubation methods for the marine alga, Nannochloropsis oceanica CCMP1779, and the oleaginous fungus, Mortierella elongata AG77, resulting in increased oil productivity. Results: By growing separately and then combining the cells, the M. elongata mycelium could efficiently capture N...
2018: Biotechnology for Biofuels
Liuye Mo, Wanjin Yu, Huangju Cai, Hui Lou, Xiaoming Zheng
In this work, mesoporous silica materials SBA-15 functionalized with propyl/ phenyl-sulfonic acid group were synthesized and loaded with Pt to form bifunctional catalysts. SAXRD, WAXRD, N2 adsorption-desorption, TEM techniques were used to characterize the above bifunctional catalysts. These bifunctional catalysts were applied to the reaction of hydrodeoxygenation (HDO) of bio-derived phenol (PhOH) to produce cyclohexane fuel and showed very good catalytic performances. There were strong synergies between the metal sites and the acid sites on the bifunctional catalysts...
2018: Frontiers in Chemistry
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