Analysis of Energy Consumption in Drying Process of Biomaterials Using a Combined Unsymmetrical Double-Feed Microwave and Vacuum System (CUMV)—Case Study: Tea Leaves

Jindarat, W.; Sungsoontorn, Sopida; Rattanadecho, Phadungsak

doi:10.1080/07373937.2013.778863

Cited by 13 publications

(10 citation statements)

References 29 publications

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“…Schematic of the control volume during a drying process in a CMCB. [115] The mass balance equation can be defined as in Eq. (36).…”

Section: Discussionmentioning

confidence: 99%

“…Exergy analysis has been increasingly accepted as a useful tool in the design, assessment, optimization, and improvement of energy systems. For example, Jindarat et al [115] experimentally investigated the energy consumption during the drying of non-hygroscopic porous packed beds by an industrial CMCB, as shown in Fig. 9, accounting for the effects of drying time, hot-air temperature, porous structure (F-or C-bed), and magnetron location on the overall drying kinetics and energy consumption.…”

Section: Energy and Exergy Analysesmentioning

confidence: 98%

“…In 2013, Jindarat et al [115] analyzed the energy consumption during the drying of biomaterials using a combined unsymmetrical double-feed microwave and vacuum system (CUMV) (Fig. 56).…”

Section: Energy and Exergy Analysesmentioning

confidence: 99%

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Microwave-Assisted Drying: A Review of the State-of-the-Art

2015

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Offering advantages of energy-saving rapid drying rates, short processing times, deep penetration of the microwave energy, instantaneous and precise electronic control, as well as clean heating processes, microwave-assisted drying (MWD) has become a popular method that is currently used for many materials and processes. This paper presents a systematic and comprehensive review of experimental and theoretical studies regarding the kinetic mechanisms of MWD. Factors affecting, methods for measuring, and applications of the dielectric property are discussed. From the experimental perspective, laboratory-and commercial-scale MWD systems are elaborated, including the equipment used and the stability, safety, and regulation of MWD systems. Theoretical investigations of thermal and non-thermal equilibrium models and moving-load computational models are discussed. Finally, some future trends in the research and development of MWD systems are suggested. Downloaded by [University of Otago] at 16:52 21 July 2015 2

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“…Schematic of the control volume during a drying process in a CMCB. [115] The mass balance equation can be defined as in Eq. (36).…”

Section: Discussionmentioning

confidence: 99%

Section: Energy and Exergy Analysesmentioning

confidence: 98%

See 1 more Smart Citation

Microwave-Assisted Drying: A Review of the State-of-the-Art

2015

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“…Intermittent power delivery is also shown to improve energy performance in some cases (Yongsawatdigul and Gunasekaran, 1996;Aghilinategh et al, 2015) or worsen it in other cases (e.g. Jindarat et al, 2013). Product properties (e.g.…”

Section: Review Of Energy Performance Studies In Microwave Food Procementioning

confidence: 99%

Energy issues in microwave food processing: A review of developments and the enabling potentials of solid-state power delivery

Atuonwu

Tassou

2018

Critical Reviews in Food Science and Nutrition

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The enormous magnitude and variety of microwave applications in household, commercial and industrial food processing creates a strong motivation for improving the energy efficiency and hence, sustainability of the process. This review critically assesses key energy issues associated with microwave food processing, focusing on previous energy performance studies, energy performance metrics, standards and regulations. Factors affecting energy-efficiency are categorised into source, load and source-load matching factors. This highlights the need for highly-flexible and controllable power sources capable of receiving real-time feedback on load properties, and effecting rapid control actions to minimise reflections, heating non-uniformities and other imperfections that lead to energy losses. A case is made for the use of solid-state amplifiers as alternatives to conventional power sources, magnetrons. By a full-scale techno-economic analysis, including energy aspects, it is shown that the use of solid-state amplifiers as replacements to magnetrons is promising, not only from an energy and overall technical perspective, but also in terms of economics.

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“…[1,3] Industrial sludge management requires careful consideration because the associated costs can constitute 50% or more of the overall wastewater treatment cost. [3][4][5][6][7] Solids handling alternatives should be chosen considering the sludge properties (e.g., dry solids content, moisture distribution, lost on ignition, oil and grease content, and hazardous or non-hazardous components). In addition, handling and stabilization requirements, local land, energy, and labor costs, local, state, and federal regulations for solids treatment and disposal should be considered in life cycle assessment.…”

Section: Introductionmentioning

confidence: 99%

A Review of Dehydration of Various Industrial Sludges

Tunçal

Uslu

2014

Drying Technology

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Wastewater characteristics and sludge generation potential of point source categories are reviewed critically. Novel industryspecific sludge dewatering/drying solutions necessary to establish a sustainable model are examined through a detailed literature survey. Knowledge of sludge properties is one of the most critical issues needed to design dewatering/drying equipment. This study focuses on industrial wastewater/sludge characterization. In addition, a comprehensive review of current drying models and technologies is also presented. A summary of the results derived from a novel thin-filmbased photonic sludge dewatering/drying study is outlined as an alternative approach for industrial sludge control. Sludge was dried in a tubular quartz reactor (TQR), the inner surface of which was coated with a TiO 2 thin film. The TQR was irradiated with UV A, UV B, and UV C lamps. The consumed and generated energy fluxes through endergonic and exergonic reactions driven by photolysis and photocatalysis were investigated. In addition, the variations in sludge dewatering/drying characteristics were also examined and compared with conventional methods to evaluate the energy requirements.

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Analysis of Energy Consumption in Drying Process of Biomaterials Using a Combined Unsymmetrical Double-Feed Microwave and Vacuum System (CUMV)—Case Study: Tea Leaves

Cited by 13 publications

References 29 publications

Microwave-Assisted Drying: A Review of the State-of-the-Art

Microwave-Assisted Drying: A Review of the State-of-the-Art

Energy issues in microwave food processing: A review of developments and the enabling potentials of solid-state power delivery

A Review of Dehydration of Various Industrial Sludges

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