Eucalyptus sp. WOODCHIP POTENTIAL FOR INDUSTRIAL THERMAL ENERGY PRODUCTION1

Miranda, Marcos Antonio da Silva; Ribeiro, Gabriel Browne de Deus; Valverde, Sebastião Renato; Isbaex, Crismeire

doi:10.1590/1806-90882017000600004

Cited by 12 publications

(10 citation statements)

References 11 publications

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“…In the actual scenario, thermal power plants (TPPs) using forest biomass are increasing their participation in cogeneration and industrial-specific projects, through the utilization of Eucalyptus woodchips, with a high degree of national content and reduced operational costs (Deboni et al 2019, Miranda et al 2017. In addition, it can be considered that woodchips present technical improvements, such as i) high degree of mechanization, from the harvest until its combustion in power plants; ii) almost complete use of the trees for energy (all aerial components) in well-managed forest plantations; iii) better steam quality when compared to firewood, as woodchips allow uniform burning and flow in thermal systems (Do et al 2014, Ignacio et al 2019.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants

Ribeiro¹,

Magalhães²,

Batista

et al. 2021

Maderas, Cienc. tecnol.

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This paper aims to evaluate the implications of Eucalyptus woodchip utilization as an alternative solid fuel for thermal power plants, highlighting its energy properties, power generation expenses and unit variable costs. Woodchip samples were collected from different sources and a proximate analysis was carried out in order to determine their moisture content, basic and bulk densities, ash content and higher heating value. Then, with these properties, empirical indices of a 10-megawatt thermal power plant were used to simulate the potential woodchip consumption, the forest area needed and the unit variable cost (US$•MWh −1 ) for each sample. The results indicate that woodchip samples with lower moisture content and improved higher heating value presented: reduced woodchip consumption for the same power generation, decreased generation expenses, reduced unit variable costs and smaller Eucalyptus plantations area needed to supply the woodchip consumption. Greater energy density may result in lower transportation and storage expenses, however, does not indicate better generation performance, since it is influenced by biomass field conditions. All samples obtained satisfactory levels of ash content, which may result in lower emissions of pollutants and superior operational efficiency. Finally, all samples presented unit variable costs below the limit established by the government for participation in the regulated energy market, which might be an economic attraction for this kind of project. Therefore, Eucalyptus woodchip moisture content, higher heating value and energy density are key issues in sustainable thermal power generation and should be managed by Eucalyptus power plants in order to reach better generation performance and reduced expenses.

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Section: Introductionmentioning

confidence: 99%

Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants

Ribeiro¹,

Magalhães²,

Batista

et al. 2021

Maderas, Cienc. tecnol.

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“…According to the analysis of Figures 1 and 2 and Tables 10 and 11, they were feasible to be used in scale for energy production in industries in the MRS, the chip and the eucalyptus log. In addition, according to Silva Miranda et al (2017), the use of the chip reduces the energy cost, when compared to the use of firewood, since the chip allows the mechanization of the boiler feeding process, which decreases the labor cost. Still, according to the authors, the reduction in the cost of energy with the use of the chip has led industries in several sectors, such as dairy, refrigeration, paper, fertilizers and the agribusiness to reduce the use of fossil fuels.…”

Section: Resultsmentioning

confidence: 99%

“…Among the limitations that interfere with the use of forest biomass for energy production are availability, high production cost, conversion techniques, logistics and their physical and chemical characteristics. However, such limitations in the use of forest biomass can be reduced through incentives made by public policies (Silva Miranda, et al, 2017;Deboni et al, 2019).…”

Section: Resultsmentioning

confidence: 99%

“…It should be noted that the use of biomass of forest origin in Brazil has advantages when compared to the use of fossil fuels, such as competitive cost, being renewable, high productivity, job creation and availability of land for planting (SILVA MIRANDA, et al, 2017). Research, Society and Development, v. 9, n. 8, e757986050, 2020 (CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v9i8.6050…”

Section: Resultsmentioning

confidence: 99%

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A logistical and economical approach to coordinating a biomass supply chain, including energy characteristics

Areias

Júnior

Faria

et al. 2020

RSD

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The use of biomass energy is increasingly widespread among industries. There is a growing demand for the purchase of biomass aiming at the generation of thermal and electric energy, as in the case of the sugar and energy sectors, pulp and paper and wood panels. The aim of this article is to analyze a biomass supply chain considering the offer, distance and energy characteristics of biomass. The demand for biofuel is from a panel industry located in the Metropolitan Region of Sorocaba. The final cost was calculated based on price quotes, freights and energy properties of each biomass. The biomasses chosen for analysis were: sawdust, wood chips, briquettes, firewood, standing eucalyptus forest (log) and rice husks. It was found that the largest supply of biomass at the lowest cost is in the distances between 50 km and 250 km. The best materials were wood chips and eucalyptus log. Freight was not a determining factor in the final cost of biomass, even for the longest distances. It was concluded that the chip and the log had advantages for different distances.

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“…Eucalyptus (Myrtales: Myrtaceae), a native plant mainly from Australia, was introduced to Brazil and planted in genetically homogeneous and continuous areas to produce raw material for the forestry industry 1,2 . Eucalyptus plantations occupy 5.7 million hectares, representing 72% of the total planted trees in this country 3 .…”

Section: Introductionmentioning

confidence: 99%

Chemical vs entomopathogenic control of Thaumastocoris peregrinus (Hemiptera: Thaumastocoridae) via aerial application in eucalyptus plantations

Wilcken

Pogetto²,

Lima

et al. 2019

Sci Rep

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The Thaumastocoris peregrinus spread to eucalyptus plantations in many countries. Chemical control is a questionable measure, mainly due to the environmental impact, high cost and moreover has the use restricted by the forest certifications. Bio-insecticides may have similar efficiency to chemical products to control T. peregrinus . The chemical thiamethoxam, thiamethoxam + lambda-cyhalothrin, acephate and the microbial Beauveria bassiana and Metarhizium anisopliae insecticides were tested at different doses to manage T. peregrinus . The products were sprayed on eucalyptus plants using aircraft and populations of this insect were counted before application and at 1, 14 and 21 days afterwards (DAA). Ten eucalyptus trees were evaluated per plot, with the collection of ten leaves from the middle third of the crown of each tree, and the number of T. peregrinus nymphs and adults obtained per leaf was determined. All the chemical insecticides had similar control at 1 DAA for T. peregrinus nymphs and adults. At 14 DAA, the number of T. peregrinus nymphs and adults on eucalyptus leaves was similar for the chemical and microbial insecticide treatments. At 21 DAA the control efficiency of T. peregrinus nymphs and adults was higher than 80% with all insecticides. The entomopathogenic insecticides have potential for aerial application to control T. peregrinus nymphs and adults and provide viable and environmentally-friendly alternative to manage this pest.

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Eucalyptus sp. WOODCHIP POTENTIAL FOR INDUSTRIAL THERMAL ENERGY PRODUCTION1

Cited by 12 publications

References 11 publications

Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants

Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants

A logistical and economical approach to coordinating a biomass supply chain, including energy characteristics

Chemical vs entomopathogenic control of Thaumastocoris peregrinus (Hemiptera: Thaumastocoridae) via aerial application in eucalyptus plantations

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