Ignition and Burning Rate of Water Hyacinth Briquettes

Davies, R. M.; Abolude, D. S.

doi:10.9734/jsrr/2013/1964

Cited by 31 publications

(28 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The content was dried in an over at 110 0 C -120 0 C for 2hrs to obtain over dry weight (w2). Moisture Content was then calculated according to Davies and Abolude (2013) as: %MC = Initial weight (w1) -Dry weight (w2) x 100…”

Section: Density = Weight Of Briquettesmentioning

confidence: 99%

Density, Shatter index, and Combustion properties of briquettes produced from groundnut shells, rice husks and saw dust of <i>Daniellia oliveri</i>

Tembe¹,

Otache²,

Ekhuemelo³

2014

J. App. Bioscience.

View full text Add to dashboard Cite

Objective: This study investigated the potential use of sawdust of Daniellia oliveri (African Copaiba Balsam Tree), Rice husk and Groundnut shells to make briquettes for energy generation. Methodology and Result: Doughnut shaped briquettes were produced from three biomass materials at 15%, 25%, and 35% level of starch binder in binary and tertiary combinations. Density, Shatter index and Combustion properties of the briquettes were investigated. The compressed density of Daniellia oliveri + Groundnut briquettes was highly significant (P<0.01) at 2.32g/cm 3 . The relaxed density was highly significant (P<0.01) among the biomass materials and binder levels. Daniellia + Groundnut briquettes recorded the highest relaxed density of 2.46g/cm 3 at 25% starch binder. Daniellia + Groundnut briquettes recorded the highest shatter resistance of 90.4. The specific heat of combustion of briquettes ranged from 4455.0Kcal/kg to 4734.0Kcal/kg. Conclusion and Application of Results: The relative high heating values of the briquettes biomass materials indicate that they can be a very good alternative source of energy for domestic cooking. It is therefore recommended that sawdust of Daniellia oliveri, Rice husk and Groundnut shells that are usually discarded as waste in Nigeria could be converted to briquettes, which will serve as alternative source of energy for domestic cooking.

show abstract

Section: Density = Weight Of Briquettesmentioning

confidence: 99%

Density, Shatter index, and Combustion properties of briquettes produced from groundnut shells, rice husks and saw dust of <i>Daniellia oliveri</i>

Tembe¹,

Otache²,

Ekhuemelo³

2014

J. App. Bioscience.

View full text Add to dashboard Cite

show abstract

“…This may be attributed to the low levels of lignin (1.78 g/100 g) and ash (1.2 g/100 g) contained in the carrot leaves [30,36]. The reduced compactness of the briquettes with increased proportion of paper could be due to the relatively larger particle sizes of the paper, which engendered greater pore spaces [37]. Water from these pores was removed and created voids along the structure of the briquettes, which led to cracks [26].…”

Section: Discussionmentioning

confidence: 99%

“…The briquettes made from sun-dried cabbage residues had the shortest ignition time of all the briquette types because of their larger particle sizes [25]. The larger particle sizes offered more pronounced pore spaces for the easy percolation of oxygen and the outflow of combustion products during combustion [25,37]. The increase in the time taken to ignite this particular briquette type (Figure 5a) with an increase in the percentage of paper could be due to the increase in the concentration of biomass in those briquette types [16].…”

Section: Discussionmentioning

confidence: 99%

Potential of Briquetting as a Waste-Management Option for Handling Market-Generated Vegetable Waste in Port Harcourt, Nigeria

Akande

Olorunnisola

2018

Recycling

View full text Add to dashboard Cite

Abstract:The conversion of biomass to high-density briquettes is a potential solution to solid waste problems as well as to a high dependence on fuel wood in developing countries. In this study, the potential of converting vegetable waste to briquettes using waste paper as a binder was investigated. A sample size of 30 respondents was interviewed using a self-administered questionnaire at the D-line fruit and vegetable market in Port Harcourt, Nigeria. Carrot and cabbage leaves were selected for briquetting based on their availability and heating value. This waste was sun-dried, pulverized, torrefied and fermented. Briquettes were produced with a manual briquette press after the processed vegetable waste was mixed with waste paper in four paper:waste ratios, i.e., 10:90, 15:85, 20:80 and 25:75. The moisture content, densities and cooking efficiency of the briquettes were determined using the oven-drying method, the water-displacement method, and the water-boiling test, respectively. There was no observed trend in moisture content values of the briquettes, which varied significantly between 3.0% and 8.5%. There was no significant variation in the densities, which ranged from 0.79 g/cm 3 to 0.96 g/cm 3 for all the briquette types. A degree of compaction above 300% was achieved for all the briquette types. Water-boiling test results revealed that 10:90 paper:sun-dried cabbage briquettes had the highest ignitability of 0.32 min. Torrefied carrot briquettes with 25% paper had the least boiling time and the highest burning rates of 9.21 min and 4.89 g/min, respectively. It was concluded that cabbage and carrot waste can best be converted into good-quality briquettes after torrefaction.

show abstract

“…Particle size and PSD have a great impact on the compressibility of a bulk input material and the durability of the final briquettes [8,11,22,61]. Usually, with the smaller particle size, the density, mechanical strength, hardness, mechanical durability, impact resistance and the burning time of densified briquettes are increased [4,6,15,[20][21][22], however very fine grinding is undesirable due to the increased cost of briquette production [11] and the longer fuel ignition time [23].…”

Section: Discussionmentioning

confidence: 99%

Determination of Particle Size and Distribution through Image-Based Macroscopic Analysis of the Structure of Biomass Briquettes

et al. 2018

View full text Add to dashboard Cite

Via image-based macroscopic, analysis of a briquettes' surface structure, particle size, and distribution was determined to better understand the behavioural pattern of input material during agglomeration in the pressing chamber of a briquetting machine. The briquettes, made of miscanthus, industrial hemp and pine sawdust were produced by a hydraulic piston press. Their structure was visualized by a stereomicroscope equipped with a digital camera and software for image analysis and data measurements. In total, 90 images of surface structure were obtained and quantitatively analysed. Using Nikon Instruments Software (NIS)-Elements software, the length and area of 900 particles were measured and statistically tested to compare the size of the particles at different surface locations. Results showed statistically significant differences in particles' size distribution: larger particles were generally on the front side of briquettes and vice versa, smaller particles were on the rear side. As well, larger particles were centred in the middle of cross sections and the smaller particles were centred on the bottom of the briquette.

show abstract

Ignition and Burning Rate of Water Hyacinth Briquettes

Cited by 31 publications

References 0 publications

Density, Shatter index, and Combustion properties of briquettes produced from groundnut shells, rice husks and saw dust of <i>Daniellia oliveri</i>

Density, Shatter index, and Combustion properties of briquettes produced from groundnut shells, rice husks and saw dust of <i>Daniellia oliveri</i>

Potential of Briquetting as a Waste-Management Option for Handling Market-Generated Vegetable Waste in Port Harcourt, Nigeria

Determination of Particle Size and Distribution through Image-Based Macroscopic Analysis of the Structure of Biomass Briquettes

Contact Info

Product

Resources

About