Search results: 91,457 results (approx.)

1. Distribution characteristics and parameter optimisation of an air-assisted centralised seed-metering device for rapeseed using a CFD-DEM coupled simulation.

A numerical study was carried out on the motion characteristics of rapeseeds in the two-phase flow of the distribution head of an air-assisted centralised seed-metering device based on coupled simulations using computational fluid dynamics (CFD) and discrete element method (DEM). The effects of...

Author(s) : Hu HongJi; Zhou ZhongLin; Wu WenCheng; Yang WenHao; Li Tao; Chang Cheng; Ren WanJun; Lei XiaoLong

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Biosystems Engineering 2021 Vol.208 pp.246-259

2. Circular economy strategies: use of corn waste to develop biomaterials.

The circular economy is a process through which elements that have already been used are reincorporated and given a second use so that they can reduce the consumption of virgin raw materials. This article shows how, from the reuse of an agro-industrial waste such as corn husks, a biomaterial can be ...

Author(s) : Castaño Castrillón, H. D.; Gutiérrez Aguilar, C. M.; Angel Álvarez, B. E.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Sustainability 2021 Vol.13 No.15 ref.64

3. Solar photovoltaic architecture and agronomic management in agrivoltaic system: a review.

Agrivoltaic systems (AVS) offer a symbiotic strategy for co-location sustainable renewable energy and agricultural production. This is particularly important in densely populated developing and developed countries, where renewable energy development is becoming more important; however, profitable...

Author(s) : Zainol Abidin, M. A.; Mahyuddin, M. N.; Mohd Zainuri, M. A. A.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Sustainability 2021 Vol.13 No.14 ref.143

4. Novel trends in extraction and optimization methods of bioactives recovery from pomegranate fruit biowastes: valorization purposes for industrial applications.

Pomegranate biowastes present potential economic value worldwide owing to their several health benefits mediated by a complex mixture of unique bioactives. The exploitation of these bioactives has motivated the exploration of eco-friendly, efficient, and cost-effective extraction techniques to...

Author(s) : El-Shamy, S.; Farag, M. A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Chemistry 2021 Vol.365

5. Comparison of synthetic and low-cost natural zeolite for bio-oil focused pyrolysis of raw and pretreated biomass.

Acid-pretreatment of rice straw (RS) and its subsequent pyrolysis with and without natural zeolite (NZ) and HZSM-5 catalysts were investigated and compared comprehensively. Acid-washing eluted 96% K, 74.73% Ca, 94.78% Mg and 98.33% Na metals from RS besides improving its higher heating value (HHV)...

Author(s) : Khan, S. R.; Muhammad Zeeshan; Absar Ahmed; Sara Saeed

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Journal of Cleaner Production 2021 Vol.313

6. Cultivation method effect on Schizochytrium sp. biomass growth and docosahexaenoic acid (DHA) production with the use of waste glycerol as a source of organic carbon.

Inexpensive carbon sources offering an alternative to glucose are searched for to reduce costs of docosahexaenoic acid production by microalgae. The use of waste glycerol seems substantiated and prospective in this case. The objective of this study was to determine the production yield of...

Author(s) : Kujawska, N.; Talbierz, S.; Dębowski, M.; Kazimierowicz, J.; Zieliński, M.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.73

7. Decentral energy generation potential of anaerobic digestion of black water and kitchen refuse for eco-district planning.

Biogas technology is an important alternative energy source worldwide. Blackwater and kitchen refuse represent ideal waste streams for bioenergy recovery through anaerobic co-digestion. Modeling of the biokinetics of anaerobic digestion on several aspects, such as microbial activity, substrate...

Author(s) : Mohammadi, S.; Álvarez Uribarri, P. M. de; Eicker, U.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.34

8. Life cycle assessment of bioethanol production: a review of feedstock, technology and methodology.

So far, a lot of efforts have been put in life cycle assessments (LCA) of bioethanol production. There are many works that have assessed bioethanol production in different points of view to illustrate the environmental impacts. This study reviewed former LCA studies on bioethanol produced from...

Author(s) : Angili, T. S.; Grzesik, K.; Rödl, A.; Kaltschmitt, M.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.65

9. A system dynamics approach to comparative analysis of biomass supply chain coordination strategies.

Biomass is an abundant energy source, particularly in Canada, as an alternative or primary source for electricity generation. However, low economy of scale could cause a loss of efficiency for bioenergy adoption in small remote communities. In this sense, coordination among the players could...

Author(s) : Khoddami, S.; Mafakheri, F.; Zeng Yong

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.44

10. Evaluating the influence of cetane improver additives on the outcomes of a diesel engine characteristics fueled with peppermint oil diesel blend.

This paper aims to evaluate the impact of cetane improvers on the combustion, performance and emission characteristics of a compression ignition engine fueled with a 20% peppermint bio-oil/diesel blend (P20). It is hypothesized that the low viscosity and boiling point of peppermint oil could...

Author(s) : Purushothaman Paneerselvam; Gnanamoorthi Venkadesan; Panithasan, M. S.; Gurusamy Alaganathan; Wierzbicki, S.; Mikulski, M.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.44

11. A system for optimizing the process of straw bale retrieval.

During a baling operation, the operator of the baler should decide when and where to drop the bales in the field to facilitate later retrieval of the bales for transport out of the field. Manually determining the time and place to drop a bale creates extra workload on the operator and may not...

Author(s) : Vahdanjoo, M.; Nørremark, M.; Sørensen, C. G.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Sustainability 2021 Vol.13 No.14 ref.33

12. Sustainability evaluation of non-toxic Jatropha curcas in rural marginal soil for obtaining biodiesel using life-cycle assessment.

Using information from an experimental planting of non-toxic Jatropha curcas (NTJC) with minimal water and fertilization resources on rural marginal soil the objective of this article is to determine the sustainability of this raw material for producing biodiesel and the possibilities for improving ...

Author(s) : Pérez, G.; Islas-Samperio, J. M.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.76

13. Biogas from anaerobic digestion as an energy vector: current upgrading development.

The present work reviews the role of biogas as advanced biofuel in the renewable energy system, summarizing the main raw materials used for biogas production and the most common technologies for biogas upgrading and delving into emerging biological methanation processes. In addition, it provides a...

Author(s) : Iglesias, R.; Muñoz, R.; Polanco, M.; Díaz, I.; Susmozas, A.; Moreno, A. D.; Guirado, M.; Carreras, N.; Ballesteros, M.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.156

14. Identifying synergistic effects between biomass components during pyrolysis and pointers concerning experiment design.

A review of existing data has shown that "char yield deficits" develop during the pyrolysis of lignocellulosic biomass, relative to char yields expected from pyrolyzing chemically isolated lignins and the proportion of lignin in the particular biomass. This paper describes two sets of pyrolysis...

Author(s) : Barr, M. R.; Volpe, R.; Kandiyoti, R.

Publisher : American Chemical Society, Washington, USA

Journal article : ACS Sustainable Chemistry & Engineering 2021 Vol.9 No.16 pp.5603-5612

15. Ultimate resourcization of waste: crab shell-derived biochar for antimony removal and sequential utilization as an anode for a li-ion battery.

The development of high-capacity adsorbents is pivotal for the removal of antimonite (Sb(III)) and antimonate (Sb(V)) as priority pollutants in water. Herein, a Fe-La-doped biomass carbon adsorbent (Cs/Fe-La) was prepared for efficient removal of both Sb(III) and Sb(V). Cs/Fe-La shows excellent...

Author(s) : Zhang XinYue; Wang Yao; Ju Na; Ai YongJian; Liu YangYang; Liang JiaXing; Hu ZeNan; Guo RongXiu; Xu WenJuan; Zhang Wei; Qi Yang; Niu Dun; Liang QiongLin; Sun HongBin; Yang Yang

Publisher : American Chemical Society, Washington, USA

Journal article : ACS Sustainable Chemistry & Engineering 2021 Vol.9 No.26 pp.8813-8823

16. Climate change impacts on renewable energy supply.

Renewable energy resources, which depend on climate, may be susceptible to future climate change. Here we use climate and integrated assessment models to estimate this effect on key renewables. Future potential and costs are quantified across two warming scenarios for eight technologies:...

Author(s) : Gernaat, D. E. H. J.; Boer, H. S. de; Daioglou, V.; Yalew, S. G.; Müller, C.; Vuuren, D. P. van

Publisher : Nature Publishing Group, London, UK

Journal article : Nature Climate Change 2021 Vol.11 No.2 pp.119-125 ref.52

17. Transesterification of Litsea cubeba kernel oil to biodiesel over zinc supported on zirconia heterogeneous catalysts.

An effective approach for synthesizing green and sustainable biodiesel fuel from low-value vegetable oils has been explored. Herein, a series of catalysts of zinc supported on zirconia (xZn/ZrO2) were successfully synthesized, characterized, and applied for the production of biodiesel from Litsea...

Author(s) : Li DongMing; Feng WenPing; Chen Chao; Chen ShangXing; Fan GuoRong; Liao ShengLiang; Wu GuoQiang; Wang ZongDe

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.13-22

18. Biobutanol production from pruned vine shoots.

This research aimed to demonstrate the feasibility of producing biobutanol by acetone-butanol-ethanol (ABE) fermentation on vine shoots at laboratory scale. In order to avoid a detoxification process prior to fermentation, an alkaline pretreatment and its posterior enzymatic hydrolysis were...

Author(s) : Garita-Cambronero, J.; Paniagua-García, A. I.; Hijosa-Valsero, M.; Díez-Antolínez, R.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.124-133

19. Process optimization for deep eutectic solvent pretreatment and enzymatic hydrolysis of sugar cane bagasse for cellulosic ethanol fermentation.

This study investigated cellulosic ethanol production from sugar cane bagasse (SCB) pretreated by triethylbenzyl ammonium chloride/lactic acid (TEBAC/LA) deep eutectic solvent (DES). The results showed that the pretreatment of SCB with TEBAC/LA DES at 120°C for 4 h with 1:15 (solid to liquid ratio) ...

Author(s) : Liu Yao; Zheng XiaoJie; Tao ShunHui; Hu Lei; Zhang XiaoDong; Lin XiaoQing

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.259-267

20. Solar and biomass hybridization through hydrothermal carbonization.

Hydrothermal carbonization process can transform wet bio-wastes into value-added products. This work aims to hybridize a concentrating solar technology and a biomass reactor for the continuous and sustainable valorization of biomass. The novel technology proposed integrates a linear beam-down solar ...

Author(s) : Briongos, J. V.; Taramona, S.; Gómez-Hernández, J.; Mulone, V.; Santana, D.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.268-279

21. Modification of lignin by various additives to mitigate lignin inhibition for improved enzymatic digestibility of dilute acid pretreated hardwood.

During acidic pretreatment of renewable lignocellulosic biomass, lignin depolymerization/repolymerization reactions often occur, which intensifies lignin inhibition on cellulose hydrolysis generally through lignin-derived inhibitors formation, unproductive binding and physical blockage effect. In...

Author(s) : Chu QiuLu; Tong WenYao; Wu ShuFang; Jin YongCan; Hu JinGuang; Song Kai

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.992-1000

22. Biomass gasification using mixtures of air, saturated steam, and oxygen in a two-stage downdraft gasifier. Assessment using a CFD modeling approach.

This work proposes and employs a mixed-complexity modeling approach to creating a 3D computational fluid dynamics (CFD) model to predict the syngas production from Miscanthus briquettes in a two-stage downdraft gasifier operating with different gasification fluids. The study was performed at steady ...

Author(s) : Maya, D. M. Y.; Lora, E. E. S.; Andrade, R. V.; Ratner, A.; Martínez Angel, J. D.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.1014-1030

23. Economical evaluation of jojoba cultivation for biodiesel production in Jordan.

In this study, the economic feasibility of jojoba cultivation for biodiesel production in Jordan is analyzed. The investigations are carried out for all activities and operations from jojoba farming, through oil extraction to biodiesel production and byproduct utilization. A thousand-hectare farm,...

Author(s) : Sandouqa, A.; Al-Hamamre, Z.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.1116-1132

24. Insights of enhancing methane production under high-solid anaerobic digestion of wheat straw by calcium peroxide pretreatment and zero valent iron addition.

Recent investigations verified CaO2 accelerated hydrolysis of lignocellulose, but its residue caused a harmful oxidizing environment. This study therefore proposed the combined CaO2 pretreatment and zero-valent iron (ZVI) addition to enhance high-solid anaerobic digestion of wheat straw, trying to...

Author(s) : Tian WenJing; Li JianHao; Zhu LiRong; Li Wen; He LinYan; Gu Li; Deng Rui; Shi DeZhi; Chai HongXiang; Gao Meng

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.1321-1332

25. In situ catalytic fast pyrolysis over CeO2 catalyst: impact of biomass source, pyrolysis temperature and metal ion.

Catalytic conversion of pyrolysis vapor from biomass was performed over CeO2 catalysts to produce ketones. Thermogravimetric-gas chromatography/mass spectrometry (TG-GC/MS) and TG-MS were applied to understand the distribution of pyrolysis vapors from various biomass including rape straw, poplar,...

Author(s) : Shao ShanShan; Liu ChengYue; Xiang XianLiang; Li XiaoHua; Zhang HuiYan; Xiao Rui; Cai Yixi

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.1372-1381