Search results: 151,385 results (approx.)

1. Access to mechanization for smallholder farmers in Africa.

Author(s) : Fatunbi, O. A.; Kombat, R.

Publisher : Burleigh Dodds Science Publishing Limited, Cambridge, UK

Book chapter : The sustainable intensification of smallholder farming systems 2021 pp.187-213 ref.many

2. Application of an adaptive PID controller enhanced by a differential evolution algorithm for precise control of dissolved oxygen in recirculating aquaculture systems.

In aquaculture, the dissolved oxygen (DO) content of a water body is important for the growth of aquatic products and thus needs to be precisely controlled. For this purpose, through an open-loop experiment of DO aeration under different airflow rates, empirical transfer function models that can...

Author(s) : Zhou XinHui; Li DaoLiang; Zhang Lu; Duan QingLing

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Biosystems Engineering 2021 Vol.208 pp.186-198

3. Thermal, physical and mechanical performance of orange peel boards: a new recycled material for building application.

More than 124 million tons of oranges are consumed in the world annually. Transformation of orange fruit generates a huge quantity of waste, largely composed of peels. Some attempts to reuse by-products derived from citrus waste have been proposed for energy production, nutrient source or...

Author(s) : Vitale, M.; Barbero-Barrera, M. del M.; Cascone, S. M.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Sustainability 2021 Vol.13 No.14 ref.60

4. Process water recirculation during hydrothermal carbonization of waste biomass: current knowledge and challenges.

Hydrothermal carbonization (HTC) is considered as an efficient and constantly expanding eco-friendly methodology for thermochemical processing of high moisture waste biomass into solid biofuels and valuable carbonaceous materials. However, during HTC, a considerable amount of organics, initially...

Author(s) : Picone, A.; Volpe, M.; Messineo, A.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.100

5. Applying artificial intelligence to predict the composition of syngas using rice husks: a comparison of artificial neural networks and gradient boosting regression.

The purpose of this study is to utilize two artificial intelligence (AI) models to predict the syngas composition of a fixed bed updraft gasifier for the gasification of rice husks. Air and steam-air mixtures are the gasifying agents. In the present work, the feeding rate of rice husks is kept...

Author(s) : Wen HungTa; Lu JauHuai; Phuc MaiXuan

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.32

6. Technical solutions of forest machine hybridization.

The paper deals with the characteristics of three different types of power train hybridization of forest logging machines and with the benefits of reducing environmental impacts by comparing new technology with more conventional, older technology. New hybridization options that could be implemented ...

Author(s) : Mergl, V.; Pandur, Z.; Klepárník, J.; Kopseak, H.; Bačić, M.; Šušnjar, M.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.52

7. Torrefaction of agricultural and wood waste: comparative analysis of selected fuel characteristics.

Abundant biomass is a potential energy source. However, it possesses several challenges when considered for energy applications. Torrefaction, a thermal pretreatment process can improve the properties of biomass as energy source. This study focused on comparing effect of torrefaction operating...

Author(s) : Cahyanti, M. N.; Doddapaneni, T. R. K. C.; Madissoo, M.; Pärn, L.; Virro, I.; Kikas, T.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Energies 2021 Vol.14 No.10 ref.71

8. Near infrared technique as a tool for the rapid assessment of waste wood quality for energy applications.

Considering the focus of the current European policy in promoting the reuse of waste products and increasing the share of renewable energies, waste wood is becoming an appealing resource rather than a product to dispose of. End-life waste wood products could be used for the production of panel...

Author(s) : Mancini, M.; Rinnan, Å.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.113-123 ref.37

9. 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

10. 1-(Carboxymethyl)pyridinium chloride as an acidic ionic liquid for rice straw effective pretreatment.

Herein, a suitable pretreatment based on an acidic ionic liquid was employed for superior enzymatic hydrolysis of rice straw, which is regarded as an inexpensive, easily accessible, and renewable agricultural waste. Using 1-(carboxymethyl)pyridinium chloride as an acidic ionic liquid, containing,...

Author(s) : Abdolmaleki, A.; Nabavizadeh, S. S.; Badbedast, M.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.544-553

11. Hydrothermal carbonization of spent mushroom compost waste compared against torrefaction and pyrolysis.

The effects of operating conditions (temperature, residence time, and water contents) of hydrothermal carbonization (HTC) of spent mushroom compost (SMC) waste on the hydrochars (HCs) and liquid effluent characteristics were experimentally revised and ranked in increasing order: residence time < ...

Author(s) : Atallah, E.; Zeaiter, J.; Ahmad, M. N.; Leahy, J. J.; Kwapinski, W.

Publisher : Elsevier, Oxford, UK

Journal article : Fuel Processing Technology 2021 Vol.216

12. Development of a dually operated biomass briquette press.

Technological transformation of biomass residues into briquettes is essential for industrial energy applications. This research was undertaken to design, fabricate, and test a dually operated screw press for briquette production. The machine was designed and fabricated using 0.3%-carbon steel, and...

Author(s) : Fadeyibi, A.; Adebayo, K. R.

Publisher : Prince of Songkla University, Hat Yai, Thailand

Journal article : Songklanakarin Journal of Science and Technology 2021 Vol.43 No.3 pp.737-743 ref.32

13. Technical possibilities for protection of tall fruit trees.

Applying plant protection products to tall fruit trees is a very demanding job, which often leads to a large loss of spray. The paper presents the machines that are mostly used for the protection of walnuts and other tall fruits. For the protection of tall fruit trees, the axial mist blower must...

Foreign Title :Tehničke mogućnosti zaštite visokih voćaka.

Author(s) : Poje, T.

Publisher : Zadružna Štampa, Zagreb, Croatia

Journal article : Glasnik Zaštite Bilja 2021 Vol.44 No.4 pp.40-46 ref.17

14. An optimal biorefinery development for pectin and biofuels production from orange wastes without enzyme consumption.

Orange wastes, including peel and pulp, were used as a biorefinery feedstock to produce pectin, ethanol, and biogas. The orange wastes were subjected to dilute acid treatment with sulfuric acid (1% w/v) at 94, 100, 140, and 180°C for 60, 30, and 0 min. The sulfuric acid treatment was performed for...

Author(s) : Vaez, S.; Karimi, K.; Mirmohamadsadeghi, S.; Jeihanipour, A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Process Safety and Environmental Protection 2021 Vol.152 pp.513-526

15. Divide and prosper? Impacts of power-distribution feeder separation on household energy-use, irrigation, and crop production.

Subsidized access to electricity is important to meet increasing demand for irrigation and reducing reliance on dirtier diesel pumps. Feeder Separation (FS) is an engineering-solution which can ration supply to farmers, curtail power theft, and upgrade the power-grid network. However, limited...

Author(s) : Sumeet Patil; Nandish Kenia; Herath Gunatilake

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Energy Policy 2021 Vol.156

16. RSM-optimised slow pyrolysis of rice husk for bio-oil production and its upgradation.

The present work highlights thermal decomposition of acid treated rice husk to produce useful and valuable products using slow pyrolysis process . The sample with higher volatile matter content (57.8%) and reduced metallic contaminants was pyrolyzed and the process was optimised using CCD followed...

Author(s) : Sutapa Das; Goud, V. V.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Energy (Oxford) 2021 Vol.225

17. Torrefaction of fruit waste seed and shells for biofuel production with reduced CO2 emission.

This study investigated the torrefaction of fruit waste of Mangifera indica seeds (MIse) and Passiflora edulis shells (PEsh) at different temperatures (210-300°C) and reaction times (30 and 60 min) to produce biochar as an ecofriendly renewable energy resource. The results confirmed that the...

Author(s) : Lin YiLi; Zheng NaiYun

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Energy (Oxford) 2021 Vol.225

18. Highly efficient utilization of walnut shell biochar through a facile designed portable direct carbon solid oxide fuel cell stack.

The direct carbon solid oxide fuel cell (DC-SOFC) is a green and efficient energy conversion device with all-solid-state structure, which can convert carbon fuel into electricity directly. Recently, using biomasses as fuels for DC-SOFC has become fascinating due to their abundance and renewable...

Author(s) : Xie YongMin; Xiao Jie; Liu QingSheng; Wang XiaoQiang; Liu Jiang; Wu PeiJia; Ouyang ShaoBo

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Energy (Oxford) 2021 Vol.227

19. Supercritical water gasification of wheat straw: composition of reaction products and kinetic study.

Supercritical water gasification (SCWG) technology is a potential technology to convert solid wastes to hydrogen rich gas products. But the gasification mechanism of real biomass in SCW is unclear due to its complicated composition and unique properties of SCW. In this paper, the gasification...

Author(s) : Wang Cui; Li LinFeng; Chen YunAn; Ge ZhiWei; Jin Hui

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Energy (Oxford) 2021 Vol.227

20. Numerical study of wheat conveying in separator cyclone using computational fluid dynamics.

Computational Fluid Dynamics (CFD) is a diversified tool for predicting flow behavior in a wide range of design and operational conditions. Numerical solution of Navier-Stokes equations is the basis of all CFD techniques, which are the result of fast computer upgrades and a better understanding of...

Author(s) : Dizajyekan, S. N.; Shahgholi, G. H.; Fanaei, A. R.; Rostampour, V.

Publisher : Ferdowsi University of Mashhad, Mashhad, Iran

Journal article : Journal of Agricultural Machinery 2021 Vol.11 No.2 pp.fa231-fa246 ref.18

21. Effect of nozzle selection on deposition of thiamethoxam in Actara® spray drift and implications for off-field risk assessment.

Off-target drift during pesticide spray applications represents a potential pathway for the introduction of active ingredient into field-adjacent water, soils, and/or vegetation. This study investigated the extent of downwind spray drift deposition of thiamethoxam (as a model insecticide) from an...

Author(s) : Perine, J.; Anderson, J. C.; Kruger, G. R.; Abi-Akar, F.; Overmyer, J.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Science of the Total Environment 2021 Vol.772 ref.47

22. Development of DLC and DLCA pretreatments with alkalis on rice straw for high titer microbial lipid production.

Microbial lipid production from lignocellulosic biomass is largely impeded by unsatisfactory fermentation performance due to the presence of toxic degradation products generated by pretreatment. DLC (Densifying Lignocellulosic biomass with Chemicals) pretreatment completed at room temperature,...

Author(s) : Yu Yang; Yu JianMing; Wang Zhao; Yuan XinChuan; Chen XiangXue; Zhai Rui; Xu ZhaoXian; Jin MingJie

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.172 ref.31

23. Method for determining the energy consumption for dynamic tearing off the peanut gynophores.

One of the main reasons for the losses in mechanized harvesting of peanuts is the insufficient strength of the gynophores that bind each fruit to the stem of the plant. A method for determining the energy consumption for dynamic tearing off single peanut fruits from gynophore is justified and based ...

Author(s) : Ishpekov, S.; Naydenov, N.; Zaykov, R.

Publisher : Agricultural Academy of Bulgaria, Sofia, Bulgaria

Journal article : Bulgarian Journal of Agricultural Science 2021 Vol.27 No.4 pp.810-815 ref.19

24. Wheat-straw derived bioethanol production: a review of life cycle assessments.

This article was developed to review the application of Life Cycle Assessment (LCA) in systems that produce materials and energy from agricultural residues, like Wheat Straw (WS) in the context of a circular bio-based economy. Attention was focussed upon WS, because it was documented as a valuable...

Author(s) : Ingrao, C.; Matarazzo, A.; Gorjian, S.; Adamczyk, J.; Failla, S.; Primerano, P.; Huisingh, D.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Science of the Total Environment 2021 Vol.781

25. Whole sugar 2,3-butanediol fermentation for oil palm empty fruit bunches biorefinery by a newly isolated Klebsiella pneumoniae PM2.

Effective utilization of cellulose and hemicelluloses is essential to sustainable bioconversion of lignocellulose. A newly isolated xylose-utilizing strain, Klebsiella pneumoniae PM2, was introduced to convert the biomass "whole sugars" into high value 2,3-butanediol (2,3-BDO) in a biorefinery...

Author(s) : Rehman, S.; Islam, M. K.; Khalid Khanzada, N.; An KyoungJin [An, K. J. A.]; Chaiprapat, S.; Leu ShaoYuan

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Bioresource Technology 2021 Vol.333