scholarly journals CHARACTERIZATION OFWASTE BIOMASS FROM GREENHOUSE ROSE CULTIVATION AND PACKAGING

2010 ◽  
Vol 41 (2) ◽  
pp. 29
Author(s):  
Giovanni Cascone ◽  
Alessandro D'Emilio ◽  
Erika Buccellato
Keyword(s):  
Nitrogen Content ◽  
Calorific Value ◽  
Volatile Matter ◽  
Chemical Processes ◽  
The Other ◽  
Waste Biomass

In this work a characterization of the waste biomass originating from a rose cultivation under greenhouse was carried out. Two types of biomass were examined: one made of both branches and leaves, and the other made up only of branches. For each type of biomass the following properties were determined: percentage of carbon, hydrogen and nitrogen, content of moisture, volatile matter and ashes, gross and net calorific value. The results show that the biomass made of only branches has a better quality than the biomass with leaves for use in thermo-chemical processes.

scholarly journals Characterization of Mexican waste biomass relative to energy generation

BioResources ◽  
2020 ◽  
Vol 15 (4) ◽  
pp. 8529-8553
Author(s):  
José Guadalupe Rutiaga-Quiñones ◽  
Luis Fernando Pintor-Ibarra ◽  
Rocio Orihuela-Equihua ◽  
Nicolás González-Ortega ◽  
María Alejandra Ramírez-Ramírez ◽  
...  
Keyword(s):  
Chemical Elements ◽  
Initial Moisture Content ◽  
Calorific Value ◽  
Volatile Matter ◽  
Proximate Analysis ◽  
Waste Biomass ◽  
Tropical Woods ◽  
Physical And Chemical

In this work, physical and chemical analyses of 28 sawdust samples (tropical woods, pine woods, and oak woods) derived from the primary process of wood transformation and 4 samples of citrus residues were performed, as an option to make densified biofuels. The study included the determination of initial moisture, particle size distribution, proximate analysis, ultimate analysis, calculation of the calorific value, and ash microanalysis. The initial moisture content of the biomass samples ranged from 6.04 to 75.21%. The biomass granulometry results indicate that the highest proportion corresponds to the 1.0-mm (33.10%) (Fraction retained in mesh 0.5 mm). Other results obtained indicate the following ranges: ash content (0.27 to 6.27%), volatile matter (78.90 to 90.50%), fixed carbon (9.10 to 20.44%), carbon (49.13 to 50.78%), oxygen (42.62 to 44.49%), and hydrogen (5.24 to 6.55%). The calculated calorific value ranged from 17.65 MJ/kg to 20.72 MJ/kg. The chemical elements with the highest concentration in the biomass samples were K and Ca, followed in some cases by Al and P. The biomass with the greatest possibilities for making densified biofuels of better quality is the group of pine woods because they have low mineral content, low nitrogen content, and high calorific value.

scholarly journals Experimental and Theoretical Fuel Property Comparison of Four Different Waste Biomass with A Commercial Counterpart

2021 ◽  
Author(s):  
Mustafa Kaan Baltacıoğlu ◽  
Mustafa Tunahan Başar ◽  
Hüseyin Turan Arat ◽  
Yasin Erdoğan
Keyword(s):  
Calorific Value ◽  
Orange Peel ◽  
Volatile Matter ◽  
Waste Biomass ◽  
Heating Value ◽  
Moisture Contents ◽  
Accredited Laboratory ◽  
Pomegranate Seed ◽  
Pomegranate Seeds ◽  
Pellet Form

Abstract This study focuses on determining the fuel properties of apple pulp, pomegranate seeds, pomegranate peel and orange peel wastes and converting them into pellet fuel. Within the scope of the study, the organic wastes were dried, ruined into small pieces and then pressed to take the pellet form. Moisture content, ash content, volatile matter determination, fixed carbon content, total sulfur content, hydrogen content, lower heating value and higher heating value were analyzed as solid fuel characterization process. Experiments were carried out in an internationally accredited laboratory in accordance with ASTM and TS EN ISO/IEC 17025 Standards. Considering the results, it was determined that the pellet obtained from fully dry state pomegranate seed had a calorific value of 4244 kcal/kg, whereas the commercial pellet was 4759 kcal/kg under the same conditions. On the other hand, the moisture contents of the commercial pellet and pomegranate seed sample were 5.42% and 1.83%, respectively. The drying process was one of the costliest stages of pellet production. The low moisture contents can reduce the production cost and shorten the time.

scholarly journals Characterization of Banana Peels Wastes as Potential Slow Pyrolysis Feedstock

2018 ◽  
Vol 11 (2) ◽  
pp. 14 ◽  
Author(s):  
Isa Kabenge ◽  
Godfrey Omulo ◽  
Noble Banadda ◽  
Jeffrey Seay ◽  
Ahamada Zziwa ◽  
...  
Keyword(s):  
Value Added ◽  
Calorific Value ◽  
Volatile Matter ◽  
Banana Peel ◽  
Fixed Carbon ◽  
Slow Pyrolysis ◽  
Pyrolysis Feedstock ◽  
Lower Heating ◽  
Banana Wastes

Uganda is the world’s second largest producer and consumer of banana after India. This has resulted into vast quantities of banana wastes, including the leaves, pseudostem, stalks, rejected and rotten fruits and the fruit peels. This study focuses on the characterization of banana peels to yield banana peels vinegar (BPV), tar and biochar as value added products that can be useful to farmers. Dried banana peels were characterized via proximate, ultimate, lignocellulosic, thermogravimetric (TG), and calorific value analyses. The obtained results showed that the volatile matter and fixed carbon contents were 88.02% and 2.70% while carbon, nitrogen and sulphur were 35.65%, 1.94% and 20.75 ppm respectively. The hemicellulose, cellulose and lignin contents were 41.38%, 9.90% and 8.90% while the higher and lower heating values were 16.15 MJ/kg and 14.80 MJ/kg. The maximum devolatilization rate in the banana peel biomass occurred in the temperatures range of 450–550oC which was taken as the slow pyrolysis regime temperature. The high levels of fixed carbon, volatile matter and ash contents were strong indicators that banana wastes are adequate feedstock for pyrolysis work to yield bio-infrastructure products. Similarly, the lignin, cellulose and hemicellulose fractions had significant correlation between the biomass heating values and the eventual chemical compounds present BPV and biochar. The characterization properties of the banana peels are akin to the leaves and pseudostem and thus are suitable for pyrolysis process.

Fuel Briquettes from Sisal Waste in Thailand

2017 ◽  
Vol 866 ◽  
pp. 168-171
Author(s):  
Udomdeja Polyium ◽  
Amornrat Pigoolthong
Keyword(s):  
Moisture Content ◽  
Chemical Properties ◽  
Calorific Value ◽  
Volatile Matter ◽  
Ash Content ◽  
Physical And Chemical Properties ◽  
Fixed Carbon ◽  
Physical And Chemical ◽  
And Chemical Properties

The research aims to develop fuel briquettes from sisal waste material mixed with bagasse. Sisal wastes were collected from Hub Kapong Royal Project Phetchaburi Province Thailand. These material were mixed according to the ratios of 90:10, 80:20, 70:30, 60:40 and 50:50 respectively. Characterization of physical and chemical properties of fuel briquettes were determined by percentage moisture content, percentage ash content, percentage volatile matter, percentage fixed carbon, and calorific value with the standard number ASTM 3173, ASTM D 3175, ASTM D 3174, ASTM D 3177 and ASTM D 3286 respectively. The results show that percentage moisture content values of 9.98 - 18.14, percentage volatile matter values of 42.59 - 68.04, percentage ash content values of 16.05 -25.41, percentage fixed carbon values of 5.93 - 13.86 and calorific values of 1,820.52 - 2,485.19 kcal/kg. Fuel briquettes to be used as a fuel substitute for firewood and charcoal.

scholarly journals Characterization of Biochar Properties Affected by Different Pyrolysis Temperatures Using Visible-Near-Infrared Spectroscopy

2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Haiqing Yang ◽  
Kuichuan Sheng
Keyword(s):  
Near Infrared ◽  
Nir Spectroscopy ◽  
Calorific Value ◽  
Volatile Matter ◽  
Coefficient Of Determination ◽  
Single Type ◽  
Good Prediction ◽  
Cotton Stalk ◽  
Fixed Carbon

Rapid characterization of biochar for energy and ecological purpose utilization is fundamental. In this work, visible and near-infrared (vis-NIR) spectroscopy was used to measure ash, volatile matter, fixed carbon contents, and calorific value of three types of biochar produced from pine wood, cedar wood, and cotton stalk, respectively. The vis-NIR spectroscopy was also used to discriminate biochar feedstock types and pyrolysis temperature. Prediction result shows that partial least squares (PLS) regression calibrating the spectra to the values of biochar properties achieved very good or excellent performance with coefficient of determination (R2) of 0.86~0.91 and residual prediction deviation (RPD) of 2.58~3.32 for ash, volatile matter, and fixed carbon, and good prediction with R2 of 0.81 and RPD of 2.30 for calorific value. Linear discrimination analysis (LDA) of the principal components (PCs) produced from PCA of wavelength matrix shows that three types of biochar can be successfully discriminated with 95.2% accuracy. The classification of biochar with different pyrolysis temperatures can be conducted with 69% accuracy for all three types and 100% accuracy for single type of cotton stalk. This experiment suggests that the vis-NIR spectroscopy is promising as an alternative of traditionally quantitative and qualitative analysis of biochar properties.

Thermal Characterization of Various Reduced Derived Fuel Materials for Energy Applications

2021 ◽  
Vol 875 ◽  
pp. 42-48
Author(s):  
Tayyab Qureshi ◽  
Muhammad Asif Hussain ◽  
Tanveer Iqbal ◽  
Ehsan Ul Haq ◽  
Asif Nadeem Tabish ◽  
...  
Keyword(s):  
Calorific Value ◽  
Environmental Issues ◽  
Thermal Characterization ◽  
Volatile Matter ◽  
Fuel Quality ◽  
Energy Applications ◽  
Thermal Analysis Techniques ◽  
Energy Products ◽  
Day By Day

The quest to research the new engineering materials for energy applications is increasing day by day due to decrease in fossil fuel materials. Moreover, the management of municipal solid waste (MSW) by converting it to the energy is need of our society to address the energy shortage as well as environmental issues. Refused derived fuel (RDF) material is one of the energy products of MSW, whose reliability and quality with respect to the energy is analyzed in this work. Three different RDF materials (RDF-A, RDF-B and RDF-C) have been characterized by thermal analysis techniques to suggest best RDF based on energy efficiency. The results showed that the RDF-A contains higher amounts of carbon (52.44%) and hydrogen (4.184%) contents and good calorific value (5278 kcal/kg), which leads to a better fuel quality. TGA analysis revealed that with the increase in volatile matter fraction of RDF materials, the retention time under combustion atmosphere has also been increased accordingly. In the light of all results RDF-A was suggested to be a good candidate for energy applications and can be used as fuel for various combustion reactions.

scholarly journals Preparation and characterization of leaf-based biobriquette with tapioca as adhesives

2018 ◽  
Vol 1 (1) ◽  
pp. 31-35
Author(s):  
Otong Nurhilal ◽  
◽  
Sri Suryaningsih ◽  
Sisilia Nusi ◽  
◽  
...  
Keyword(s):  
Environmental Sustainability ◽  
Raw Materials ◽  
Calorific Value ◽  
Volatile Matter ◽  
Proximate Analysis ◽  
Alternative Source ◽  
Carbonation Process ◽  
Fallen Leaves ◽  
Samanea Saman

The fall leaves waste are abundantly and freely available from trees which are grown aims for reforestation and environmental sustainability purposes such as Samanea saman, Filicium decipiens, and mahogany trees. However, burning fallen leaves used to be standard practice across some local areas though most municipalities now ban or discourage the incendiary practice due to the air pollution causes bad impact to human health and the environment, and often results in dangerous wildfires. Also, ash particulates irritate the eyes and throat and restrict visibility. On the other hand, the powder of those dried leaves is potential raw materials for briquettes as an alternative source of energy provide proper carbonation process. This paper reports the preparation and characterization of briquettes from the powder of those dry leaves utilized tapioca as an adhesive. The proximate analysis showed that the lowest water content was 6.13% obtained from carbonization of Filicium decipiens briquettes, the lowest ash content was 4.66% for non-carbonization briquettes Samanea saman, the lowest volatile matter was 29.85% for carbonization briquette Samanea saman, the highest fixed carbon was 49.32% for briquette carbonization Samanea saman. The highest calorific value was 5,236 cal/g received from carbonized Filicium decipiens briquettes. It was concluded that the use of tapioca as adhesive could improve the calorific value of as prepared briquettes.

Energy Analysis and Waste Valorization in a Kraft Paper Plant

2020 ◽  
Author(s):  
Pedro Antunes ◽  
Manuel Eduardo Ferreira ◽  
Maria Cândida Vilarinho ◽  
José Carlos Teixeira
Keyword(s):  
Gas Turbine ◽  
Synthesis Gas ◽  
Experimental Analysis ◽  
Gas Turbines ◽  
Black Liquor ◽  
Calorific Value ◽  
Biomass Gasification ◽  
Waste Biomass ◽  
Recovery Boiler

Abstract Paper production is an energy intensive industry but due to the wastes of its process (black liquor, waste biomass, sludge) has the capacity to generate most of its energy internally. Central to this balance are cogeneration units that guarantee the internal production of heat and electricity. These are sized for the company’s thermal load, with excess electricity injected into the grid. The efficient use of endogenous resources is a major route for improving the energy and environmental efficiency of the plant. Some of the waste materials include biomass wastes, sludges and other industrial wastes such as plastics. The present work aims to identify the opportunity of introducing a waste biomass gasification plant and the use of the produced synthesis gas, replacing the natural gas currently used in the turbine included in the company’s cogeneration unit. In this scenario, one of the cogeneration units in its current configuration has two steam boilers (one biomass; one black liquor) and a gas turbine whose waste heat feeds a recovery boiler to produce steam. The work involved several steps: the energy balance of the unit, the characterization of biomass residues (mixing bark, pine bark, eucalyptus bark, and refuse fibers), the test experimental analysis of residual biomass gasification and the characterization of the synthesis gas produced. In the electric and thermal energy producing units, gas turbines have a working efficiency above 35% while the steam turbines is considerably lower (15%). The efficiency of the chemical recovery boiler (79.5%) is lower than that of the biomass boiler (89.5%). From the experimental analysis of biomass it was found that most of them have a carbon and hydrogen content higher than 48 % and 5 %, respectively. In terms of higher calorific value (HHV), for the biomass where it was possible to determine it, the value is between 19.3 and 23.6 MJ/kg. These properties reveal that the selected biomasses from within the company, have potential as fuels. The limitation on its use may be due to the ash content, which tends to exceed 10 %. A gasification test (90 % eucalyptus biomass and 10 % mixture biomass) was also carried out to produce syngas and further characterization. The calorific value of the gas produced was 18 MJ/kg, with an absolute density of 1.17 kg/m3. It can thus be seen that for a gas turbine with a 35.8 % efficiency with a workload of 29.9 MWe 4.6 kg/s of syngas is required.

scholarly journals BIOPELET DARI LIMBAH CANGKANG KEMIRI (ALEURITES MOLUCCANA) DENGAN CAMPURAN BIOMASSA LIMBAH BATANG SAGU (METROXYLON SAGU) DAN SERBUK GERGAJI SEBAGAI SUMBER ENERGI ALTERNATIF

2021 ◽  
Vol 16 (2) ◽  
pp. 170-180
Author(s):  
Widia Istiani ◽  
Evi Sribudiani ◽  
Sonia Somadona
Keyword(s):  
Alternative Energy ◽  
Raw Materials ◽  
Calorific Value ◽  
Volatile Matter ◽  
Matter Content ◽  
Ash Content ◽  
Waste Biomass ◽  
Volatile Matter Content ◽  
Randomized Design ◽  
Aleurites Moluccana

Utilization of biomass as biopellet is a solution for the creation of renewable alternative energy. So that a research was conducted on the manufacture of biopellets from waste shells of candlenut (Aleurites moluccana) with a mixture of waste biomass from sago stems (Metroxylon sago) and sawdust. This study aims to determine the quality and determine the composition of the best raw materials in biopellets. This study used a completely randomized design (CRD) method with four treatments and five replications. The raw materials are dried for 3 days, then mashed and filtered, then the raw materials are mixed with adhesive and printed, the last parameter is tested. The results showed that the water content, calorific value, and volatile matter content of the biopellet met the SNI standard. 8021:2014. However, in the density and ash content test, the biopellet did not meet the SNI 8021:2014 standard. The best biopellet composition was obtained in treatment P2 with the addition of 10% of the total weight of biomass with a moisture content of 9.96%, density 0.31g/cm3, calorific value 4.232 cal/g, and ash content 11.3%, and volatile matter content of 73 ,69%

A very rapid in situ Kikuchi technique to determine relative crystal misorientation

1988 ◽  
Vol 46 ◽  
pp. 830-831
Author(s):  
J. I. Bennetch
Keyword(s):  
Electron Beam ◽  
Analytical Techniques ◽  
Superplastic Forming ◽  
The Other ◽  
Kikuchi Pattern ◽  
Kikuchi Line ◽  
Line Analysis

In a recent study of the superplastic forming (SPF) behavior of certain Al-Li-X alloys, the relative misorientation between adjacent (sub)grains proved to be an important parameter. It is well established that the most accurate way to determine misorientation across boundaries is by Kikuchi line analysis. However, the SPF study required the characterization of a large number of (sub)grains in each sample to be statistically meaningful, a very time-consuming task even for comparatively rapid Kikuchi analytical techniques.In order to circumvent this problem, an alternate, even more rapid in-situ Kikuchi technique was devised, eliminating the need for the developing of negatives and any subsequent measurements on photographic plates. All that is required is a double tilt low backlash goniometer capable of tilting ± 45° in one axis and ± 30° in the other axis. The procedure is as follows. While viewing the microscope screen, one merely tilts the specimen until a standard recognizable reference Kikuchi pattern is centered, making sure, at the same time, that the focused electron beam remains on the (sub)grain in question.

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