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

Author(s):  
Mustafa Kaan Baltacıoğlu ◽  
Mustafa Tunahan Başar ◽  
Hüseyin Turan Arat ◽  
Yasin Erdoğan

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.

2010 ◽  
Vol 41 (2) ◽  
pp. 29
Author(s):  
Giovanni Cascone ◽  
Alessandro D'Emilio ◽  
Erika Buccellato

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.


Konversi ◽  
2015 ◽  
Vol 4 (2) ◽  
pp. 16
Author(s):  
Yuli Ristianingsih ◽  
Ayuning Ulfa ◽  
Rachmi Syafitri K.S

Abstrak-Tandan Kosong Kelapa Sawit merupakan limbah padat hasil produksi Crude Palm Oil (CPO). Setiap 1(satu) ton tandan buah segar dihasilkan 23% limbah padat. Limbah padat ini dapat di konversi menjadi bahan bakar pengganti minyak yaitu briket. Briket bioarang adalah bahan bakar padat yang dapat digunakan sebagai bahan bakar alternatif pengganti bahan bakar yang berasal dari fosil seperti minyak dan gas. Penelitian ini bertujuan untuk mengetahui pengaruh suhu pirolisis terhadap yield bioarang yang dihasilkan dan mengetahui pengaruh konsentrasi perekat kanji (5% w/w, 10% w/w, 15% w/w) terhadap karakteristik briket hasil penelitian (kadar air, volatile matter, kadar abu, fixed carbon, nilai kalor dan laju pembakaran). Penelitian dilakukan dengan metode pirolisis yaitu proses pembakaran bahan baku dalam reaktor pirolisis dengan menggunakan suhu yang tinggi dan tanpa atau dengan sedikit oksigen. Pirolisis dilakukan selama 2,5 jam dengan variasi suhu yaitu 350°C, 400°C, 450°C dan 500°C. Arang yang dihasilkan dicampur dengan perekat sesuai variasi dan dicetak menjadi briket. Briket kemudian dianalisa kadar air, kadar abu, kadar karbon, kadar zat terbang, nilai kalor dan laju pembakaran. Briket dengan yield tertinggi terdapat pada suhu 350°C sebesar 51,53% dan yield terendah pada suhu 500°C sebesar 26,03%. Briket hasil penelitian ini telah memenuhi standar mutu briket sebagai bahan bakar dilihat dari nilai kalor. Komposisi optimal antara perekat kanji dan arang TKKS hasil pirolisis yaitu pada 5%:95% yang menghasilkan nilai kalor terbesar yaitu 6748,15kal/g.  Kata kunci : Briket Bioarang, Pirolisis, Tandan Kosong Kelapa Sawit                Abstract-Palm Oil Empty Fruit Bunches are solid waste from Crude Palm Oil (CPO industry). For 1 ton of fresh fruit bunches produced 23% of solid waste. This solid waste can be converted into alternative energy that called briquettes. Briquettes are solid fuel that can be used as an alternative fuel replacement for fossil fuels such as oil and gas. This study aims to determine the effect of temperature on the yield generated briquettes and the effect of stach adhesive concentration (5, 10 and 15% wt) to briquettes characteristics (moisture content, volatile matter, ash content, fixed carbon, calorific value and the rate of combustion). In this reseacrh, two kilograms of palm oil empty fruit bunches was burned using pyrolisis reactor at different temperatur (350, 400, 450 and 5000C) for 2.5 hour. Charcoal produced was mixed with an adhesive in accordance variations and molded into briquettes. Briquettes then analyzed the water content, ash content, carbon content, volatile matter content, heating value and rate of combustion. The maximum yield of briquettes which was obtained in this research is 51.53% at temperature 3500C and the lowest yield at temperature of 500 ° C by 26.03%. Briquettes results of this study have met the quality standards of fuel briquettes as seen from the heating value. Optimal adhesive composition between starch and charcoal TKKS is 5%: 95% that generates highest calorific value about 6748.15kal/ g. Keywords: Briquette Bioarang, Pyrolysis, oil palm empty bunches


Author(s):  
J. M. Makavana ◽  
P. N. Sarsavadia ◽  
P. M. Chauhan

Bio-char is carbon-rich product generated from biomass through batch type slow pyrolysis. In this study, the effects of pyrolysis temperature and residence time on the yield and properties of bio-chars obtained from shredded cotton stalks were investigated. Safely said that the quality of bio-char of shredded cotton stalk obtained at 500°C temperature and 240 min is best out of the all experimental levels of variables of temperature and residence time. At this temperature and residence time, the quality of bio-char in terms higher heating value (8101.3cal /g or 33.89 MJ/kg), nitrogen (1.56%), Carbon (79.30%), and C/N ratio (50.83) respectively. The quality of bio-char for various applications is discussed along with different quality parameters. The bio-char could be used for the production of activated carbon, in fuel applications, and water purification processes. Average bulk density of whole cotton stalk and shredded cotton stalk was found as 29.90 kg/m3 and 147.02 kg/m3 respectively. Thus density was increased by 3.91 times. The value of pH, EC and CEC of shredded cotton stalk biomass was found as 5.59, 0.03 dS/m and 38.84 cmol/kg respectively. Minimum and maximum values pH, EC and CEC of its bio-char was found as 5.85 to9.86, 0.04 to 0.10 dS/m and 38.02 to 24.39 cmol/kg at 200°C and 60 min and; 500°C and 240 min temperature and residence time respectively. Moisture content, ash content, volatile matter and fixed carbon of shredded cotton stalk biomass were found as, 12.5, 5.27, 80.22, and 14.51 (%, d.b) respectively. The minimum and maximum value of bio-char in terms of ash content, volatile matter and fixed carbon of bio-char were found as 5.5 to 15.56, 48.02 to 79.48 and 15.02 to 36.40 (%, d.b) respectively. Calorific value of cotton stalk biomass was found as 3685.3 cal /g. The minimum and maximum higher heating value of its bio-char was found as 4622.0 cal/ g and 8101.3 cal/g at 200°C and 60 min and; 500˚C and 240 min temperature and residence time.


Author(s):  
Nofriady Handra ◽  
Anwar Kasim ◽  
Gunawarman Gunawarman ◽  
Santosa Santosa

<p><span>Empty Fruit Bunches (EFB) are one of the palm oil industry wastes, which are quite plentiful and currently unused optimally. Biomass is one of the renewable energy resources which has important roles in the world. The bio-briquettes are manufactured through densification of waste biomass by implementing certain processes. This research aimed to obtain variations in the mold temperature at 150 ºC, 200 ºC, and 250 ºC to the calorific value and toughness of the briquette material. The toughness was tested using ASTM D 440-86 R02 standard. Arduino program was used for setting the heating resistance time of the mold, which was 20 minutes and the thermal controller was used to adjust the temperature variation. The average mold pressure was 58 Psi. The highest heating value was obtained at a mold temperature of 250 ºC with a value of 5256 cal/g, and the lowest was resulted at a temperature of 150 ºC (4117 cal/g). Meanwhile, the briquette toughness test at 200 ºC mold temperature indicated good data results in which the average loss of fiber particles was only 4.17 %, this was because the adhesion between particles by lignin and cellulose in the fiber functions optimally at this temperature so that the resistance of briquettes went through minor damage.</span></p>


2019 ◽  
Vol 141 (11) ◽  
Author(s):  
A. Ozyuguran ◽  
H. Haykiri-Acma ◽  
S. Yaman

Thirty-nine different species of waste biomass materials that include woody or herbaceous resources as well as nut shells and juice pulps were used to develop empirical equations to predict the calorific value based on the proximate analysis results. Ten different linear/nonlinear equations that contain proximate analysis ingredients including or excluding the moisture content were tested by means of least-squares method to predict the HHV (higher heating value). Prediction performance of each equation was evaluated considering the experimental and the predicted values of HHV and the criteria of MAE (mean absolute error), AAE (average absolute error), and ABE (average bias error). It was concluded that the presence of moisture as a parameter improves the prediction performance of these equations. Also, the samples were classified into two subsets according to their fixed carbon (FC)/ash values and then the correlations were repeated for each subset. Both the full set of samples and the subsets showed a similar trend that the presence of moisture in equations enhances the prediction performance. Also, the FC content may be disregarded from the equation of the calorific value prediction when the FC/ash ratio is lower than a given value.


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 ◽  
...  

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.


2021 ◽  
pp. 25-25
Author(s):  
Jelena Petrovic ◽  
Marija Simic ◽  
Marija Mihajlovic ◽  
Marija Koprivica ◽  
Marija Kojic ◽  
...  

In recent decades, massive exploitation of fossil fuels caused a growing demand for the production of energies from renewable sources. Hydrochar obtained from waste biomass via hydrothermal carbonization (HTC) possesses good potentials as a biofuel. Therefore, we performed HTC of corn cob, paulownia leaves, and olive pomace at different temperatures (180, 220, and 260 oC). The main goal of this study was to comparatively evaluate the influence of HTC conditions on the structure and fuel characteristics of the obtained solids. The results showed that the yields of hydrochar decrease significantly with increasing temperature in all samples. The carbon content and higher heating value increased and reached the highest values in hydrochars obtained at 260 oC, while the content of volatile matter decreased. Furthermore, the Van Krevelen diagram reveals that the transformation of feedstock to lignite-like products upon HTC was achieved. In this study, the results showed that processes of dehydration and decarboxylation during HTC provoke intensive biomass transformation and that hydrochars obtained at higher temperatures have significantly enhanced fuel properties and fewer volatiles compared to the feedstock.


2022 ◽  
Vol 12 (1) ◽  
pp. 68
Author(s):  
Sophia Nawaz Gishkori ◽  
Ghulam Abbas ◽  
Aqeel Ahmad Shah ◽  
Sajjad Ur Rahman ◽  
Muhammad Salman Haider ◽  
...  

In this study we report biofuel potential in waste cake obtained from oil refinery. The sample was analyzed for its calorific value using auto bomb calorimeter (LECO AC-500), proximate analysis using Thermogravimetric analyzer (LECO 701) and elemental analysis using CHNS analyzer (LECO Tru-Spec). The elemental analysis of dry waste cake vs wet cake depicted the percentage composition of carbon (49.8%, 40.8%), hydrogen (7.9%, 6.0%), nitrogen (2.8%, 1.9%), Sulphur (1.9%, 0.5%) and oxygen content (37.6%, 40.4%). As for as the thermal degradation behavior of dry and wet cake in TGA is concerned, higher moisture contents (68.50%) found in wet cake and lower in dry cake (40.1%). Whereas the volatile matter in dry cake (30.9%) and low volatile in wet cake (14.3%). Similarly, %age of ash become high in dry cake (17.3%) and low in wet cake (5.11%). The results reflected that higher heating value of dry waste cake is higher (22.5 MJ/kg) than wet waste cake (20.5 MJ/kg) and commonly used sugarcane bagasse (17.88 MJ/kg).


2021 ◽  
Vol 16 (2) ◽  
pp. 170-180
Author(s):  
Widia Istiani ◽  
Evi Sribudiani ◽  
Sonia Somadona

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%


2020 ◽  
Vol 4 (1) ◽  
pp. 1-7
Author(s):  
Made Dirgantara ◽  
Karelius Karelius ◽  
Marselin Devi Ariyanti, Sry Ayu K. Tamba

Abstrak – Biomassa merupakan salah satu energi terbarukan yang sangat mudah ditemui, ramah lingkungan dan cukup ekonomis. Keberadaan biomassa dapat dimaanfaatkan sebagai pengganti bahan bakar fosil, baik itu minyak bumi, gas alam maupun batu bara. Analisi diperlukan sebagai dasar biomassa sebagai energi seperti proksimat dan kalor. Analisis terpenting untuk menilai biomassa sebagai bahan bakar adalah nilai kalori atau higher heating value (HHV). HHV secara eksperimen diukur menggunakan bomb calorimeter, namun pengukuran ini kurang efektif, karena memerlukan waktu serta biaya yang tinggi. Penelitian mengenai prediksi HHV berdasarkan analisis proksimat telah dilakukan sehingga dapat mempermudah dan menghemat biaya yang diperlukan peneliti. Dalam makalah ini dibahas evaluasi persamaan untuk memprediksi HHV berdasarkan analisis proksimat pada biomassa berdasarkan data dari penelitian sebelumnya. Prediksi nilai HHV menggunakan lima persamaan yang dievaluasi dengan 25 data proksimat biomassa dari penelitian sebelumnya, kemudian dibandingkan berdasarkan nilai error untuk mendapatkan prediksi terbaik. Hasil analisis menunjukan, persamaan A terbaik di 7 biomassa, B di 6 biomassa, C di 6 biomassa, D di 5 biomassa dan E di 1 biomassa.Kata kunci: bahan bakar, biomassa, higher heating value, nilai error, proksimat  Abstract – Biomass is a renewable energy that is very easy to find, environmentally friendly, and quite economical. The existence of biomass can be used as a substitute for fossil fuels, both oil, natural gas, and coal. Analyzes are needed as a basis for biomass as energy such as proximate and heat. The most critical analysis to assess biomass as fuel is the calorific value or higher heating value (HHV). HHV is experimentally measured using a bomb calorimeter, but this measurement is less effective because it requires time and high costs. Research on the prediction of HHV based on proximate analysis has been carried out so that it can simplify and save costs needed by researchers. In this paper, the evaluation of equations is discussed to predict HHV based on proximate analysis on biomass-based on data from previous studies. HHV prediction values using five equations were evaluated with 25 proximate biomass data from previous studies, then compared based on error value to get the best predictions. The analysis shows that Equation A predicts best in 7 biomass, B in 6 biomass, C in 6 biomass, D in 5 biomass, and E in 1 biomass. Key words: fuel, biomass, higher heating value, error value, proximate 


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