Development of ceiling board using breadfruit seed coat and recycled low density polyethylene.

In this study, investigations were carried out on the energy evaluation, performance analysis and optimization of briquettes produced from biomass wastes (rice-husk and sawdust) and their composites using starch and clay as binders. The proximate compositions of the briquettes were determined following ASTM analytical methods. The moisture content of rice husk and sawdust before briquettes was 20wt.% and 15wt.% respectively. The briquettes produced from bio-waste material of homogeneous particle sizes of 0.5mm and two binders of a percentage of 90:10 which were sun-dried, prepared and moisturized, were reduced to 5wt.% and compressed for the production of briquettes. The energy evaluation of the briquettes was performed using an oxygen bomb calorimeter and the performance test of the briquettes was carried out. Design Expert Central Composite Design Tool was used in the design and Response surface methodology was used to optimize the energy values of rice-husk/sawdust composite briquettes with clay and starch as binders, after which composite briquette made of mahogany sawdust/rice-husk were produced using the optimum condition values of 15% binder starch, 28% rice-husk and 9Mpa compaction pressure. The results showed that composite briquettes of mahogany sawdust and rice-husk produced with starch had a maximum energy value of 5.69kcal/g, while those made with clay had a minimum energy value of 3.35kcal/g. However, the experimental result was less than the predicted optimum value of 2%. This shows that composite briquette made from mahogany sawdust/rice-husk has better energy efficiency than other briquettes considered and it has been observed that starch is a better bonding material than clay. Briquetting technology has great potential to transform waste biomass in affordable, effective and environmentally safe, high-quality solid fuel for households and industry use.

/pdf/optimization-of-composition-of-selected-biomass-for-1zopkpldgt.pdf

Optimization of Composition of Selected Biomass for Briquette Production

In this study, the physical properties and optimization of briquettes made from rice husk and sawdust were carried out. The bio-waste material of homogeneous particle sizes of 0.5mm and two binders of 90:10 percentage compositions which were sun-dried, prepared and compressed for the production of the briquettes. Energy valuation of the briquettes was carried out using a bomb Calorimeter. Response surface methodology was implored in the optimization of the energy values from rice husk/sawdust composite briquettes with clay and starch as binders, after which a composite briquette made from mahogany sawdust/rice husk was produced using the optimal condition values of 15% binder starch, 28% rice husk and 9Mpa compaction pressure. The results indicated that composite briquettes of mahogany sawdust and rice husk produced using starch gave the maximum energy value of 5.69kcal/g whereas those made with clay gave the least calorific value of 3.35kcal/g. This indicates that briquette from a composite of Mahogany sawdust/rice husk is, as a result, more appropriate for starting and retaining the fire for cooking and other domestic heating.

/pdf/optimisation-of-composite-briquette-made-from-sawdust-rice-2lw11312gw.pdf

Optimisation of Composite Briquette Made From Sawdust / Rice Husk Using Starch and Clay Binder

The study on the effect of cane wood and palm kernel as filler materials on the compressive strength and density of an automobile brake pad has been done. The Central Composite Design tool of the D...

https://journals.sagepub.com/doi/pdf/10.1177/1687814020947611

Effect of cane wood and palm kernel fibre filler on the compressive strength and density of automobile brake pad

Wood is a solid material, and it is derived from shrubs and trees. The wood is composed of cellulose (40% to 50%), hemicellulose (15% to 25%), and lignin (15% to 30%). It can be classified as (i) softwood or (ii) hardwood, and some of the advantages include biodegradable nature, non-corrosive, high load-bearing capacity, etc. Though the wood has many benefits, it has a significant disadvantage of porous nature, poor resistance against abrasion, and delamination. Furthermore, the wood is susceptible to (i) light, (ii) heat, and (iii) ultraviolet (UV) radiations. Thus, this chapter examines that the issues related to the tribological behavior of wood plastic-based composites. The term ‘tribology’ is dealt with the subject of (i) wear, (ii) friction, and (iii) lubrication characteristics. Furthermore, any tribomaterials are developed by analyzing their friction and wear characteristics by varying (i) applying a load, (ii) sliding velocity, (iii) sliding distance, and (iv) working temperature.

Tribology of Wood Polymer Composites

A brake pad has been developed employing a hybrid of cane wood and palm fruit fibre as filler material. The filler materials were extracted and processed; however, the palm fruit fibre was further ...

Optimisation of hybridised cane wood–palm fruit fibre frictional material:

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Optimisation of hybridised cane wood–palm fruit fibre frictional material: