Industrial and Agricultural Applications of Solar Heat

Norton, Brian

doi:10.1016/b978-0-08-087872-0.00317-6

Cited by 15 publications

(9 citation statements)

References 84 publications

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“…Mekhilef et al reviewed solar energy utilization by industrial applications thus identified potential industries [53]. Norton illustrated the industrial applications of solar heat such as solar water heating system, solar drying system, solar furnaces, green houses, heating and ventilation systems, solar cooking, solar desalination and solar refrigeration [63,64]. Vajen et al outlined solar heat integration potential at supply level and process level in Europe, Germany and worldwide [91].…”

Section: Methodological Approachmentioning

confidence: 99%

“…Table 13 lists existing research and review describing solar industrial process heating systems in food industries. [72] 2012 Global Different devices in use with solar energy [24] 2013 Global Discussed the potential of SHIP [27] 2013 Global Different devices are analyzed [14] 2013 Global Small and medium scale industry thermal energy requirements [63] 2016 Global Estimates the potential of SHIP through greenhouse-gas mitigation [80] Kalogirou gave an overview on the solar industrial process heat potential in the food industry through solar collector analysis, annual energy gain and economic analysis [39]. Palaniappan described the roof mounted solar hot air technology adopted in various food processing systems in India [67].…”

Section: Food Industrymentioning

confidence: 99%

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Solar process heat in industrial systems – A global review

Farjana

Huda

Saidur

2018

Renewable and Sustainable Energy Reviews

224

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In developing countries, industries and manufacturing sectors consume a major portion of the total consumption of energy, where most of the energy is used for low, medium or high temperature heat generation to be used for process applications known as process heat. The necessity to commercialize clean, cheap and efficient renewable sources of energy in industrial applications emerges from increasing concerns about greenhouse gas emissions and global warming and decreasing fossil fuel use in commercial sectors. As an abundant source of energy, solar energy technologies have proven potential. Recent research shows currently only a few industries are employing solar energy in industrial processes to generate process heat while replacing fossil fuels. Solar thermal power generation is already very well-known and getting popular in recent years while other potential applications of the concentrated heat from solar radiation are little explored. This review paper presents a detailed overview of the current potential and future aspects of involving solar industrial process heating systems in industrial applications. In order to keep pace with this emerging and fast growing sector for renewable energy applications, it is necessary to get in depth knowledge about the overall potential of industrial processes in individual industrial sector where solar process heat is currently in use and identifying industrial processes are most compatible for solar system integration depending on temperature level and the type of solar collector in use. Furthermore, the promising sectors needs to be identified for the use of solar heat using industrial processes for the integration of solar heat, so that countries with immense solar energy potential can use those technologies in future to reduce fossil fuel consumption and develop sustainable industrial systems. This paper presents a comprehensive review of the potential industrial processes that can adopt solar process heating systems and thus driving towards sustainable production in industries.

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Section: Methodological Approachmentioning

confidence: 99%

Section: Food Industrymentioning

confidence: 99%

Solar process heat in industrial systems – A global review

Farjana

Huda

Saidur

2018

Renewable and Sustainable Energy Reviews

224

View full text Add to dashboard Cite

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“…The agro-industrial system often uses thermal energy for drying operations [8,9], which exerts mainly two parallel phenomena: (i) heat flow from the driving force to the inside of the food, and (ii) mass transfer where moisture moves from the inside to the exterior/surface of the food and is then evaporated in the air [10][11][12], which enables the reduction in the food moisture content to a certain proportion [13][14][15]. The resulting moisture reduction may confer improved preservation and bioavailability of the endogenous phytonutrients including phenolic constituents via (i) protecting them against oxidative [16] and enzymatic activities [6], and spoilage microorganisms [17][18][19], (ii) enhancing the stability of large scale samples for further processing including extraction, (iii) enabling cellular destruction through rupturing the cell membrane that potentially gives rise to the liberation of bound phenolics [16,19].…”

Section: Typical Preprocessing Means Applicable To Olive Leave Extraction 21 Dryingmentioning

confidence: 99%

Roles of Drying, Size Reduction, and Blanching in Sustainable Extraction of Phenolics from Olive Leaves

Markhali

2021

Processes

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It is now known that olive leaves contain a sizable portion of polyphenols and there is much research highlighting that these natural ingredients favorably exhibit bio-functional activities. In this regard, many studies have focused on the exploration of optimum conditions involved directly in the extraction process. These investigations, while being highly valuable, may somewhat cast a shadow over other contributing factors such as those involved in the preprocessing of leaves, including size reduction, drying, and blanching. The use of these unit operations under appropriate conditions, together with other benefits, potentially exert improved surface area, homogeneity, and diffusion/mass transfer which may help develop the liberation of target bio-compounds. The research work in this area, particularly size reduction, is relatively limited. Although in various experiments they are incorporated, not many studies have focused on them as the main predictor variables. The performance of further research may help ascertain the magnitude of their effects. Consideration of the operational parameters in preprocessing step is equally important as those in the processing/extraction step that may comparably influence on the extraction efficiency. This review provides an overview of the potential roles of drying, size reduction, and blanching in the extraction efficiency of phenolics from olive leaves.

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“…In the pulp and paper industry, most temperatures are below 100 • C except by the bleaching process that operates between 130 • C and 150 • C [18]. Other examples are the beverage and meat industry, with temperatures below 80 • C [19,20], and the leather tanning industry with temperatures of around 45 • C [21] and the greenhouses industry with temperatures around 30 • C [22].…”

Section: Introductionmentioning

confidence: 99%

Incorporating the Concept of Flexible Operation in the Design of Solar Collector Fields for Industrial Applications

et al. 2019

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This work introduces the concept of flexible operation in the design of solar thermal utility systems for low temperature processes. The design objectives are: (a) The supply of the thermal needs of the process (heat duty and minimum required temperature), and (b) the maximization of the operating time during the day. The approach shows how the network structure is defined by adjusting the mass flow rate and the inlet temperature of the working fluid to achieve the smallest collector surface area. This work emphasizes the need to specify the solar network structure, which is comprised of two main elements: The number of lines in parallel and the number of collectors in series in each line. The former of these two design specifications is related to the heat load that the system will supply, while the latter is directly related to the delivery temperature. A stepwise design approach is demonstrated using two case studies where it is shown that the detailed design of the solar collector network structure is fundamental for a successful thermal integration with minimum investment. In this paper, the design methodology is based on flat-plate solar collectors, but it can be extended to any other type of low temperature solar technology.

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Industrial and Agricultural Applications of Solar Heat

Cited by 15 publications

References 84 publications

Solar process heat in industrial systems – A global review

Solar process heat in industrial systems – A global review

Roles of Drying, Size Reduction, and Blanching in Sustainable Extraction of Phenolics from Olive Leaves

Incorporating the Concept of Flexible Operation in the Design of Solar Collector Fields for Industrial Applications

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