Briquettes are compressed blocks made from combustible materials such as coal dust, charcoal, sawdust, wood chips, peat, paper, or agricultural residues. They provide a practical way to convert fine or otherwise difficult-to-handle combustible materials into convenient solid fuels. Coal briquettes have historically been used to utilize small coal generated during mining, while charcoal briquettes are widely used for cooking and heating applications.
Biomass briquettes are produced from agricultural and forestry residues and can serve as an alternative fuel for boilers and other industrial heating applications. In India, several industries have adopted biomass briquettes as boiler fuel in place of furnace oil and coal, particularly in southern India and Maharashtra. Their use can provide fuel-cost savings and support the utilization of renewable biomass resources.
Charcoal briquettes are manufactured in several forms, including barbecue briquettes, hexagonal logs, pillow-shaped products, coconut-shell briquettes, and other specialty formats. Manufacturing typically involves processes such as carbonization, crushing, drying, formulation, briquetting, final drying, and bagging, depending on the selected raw material and product specification. Effective handling of coal and coal dust is also important because dust can create health, safety, handling, and product-loss concerns. Proper suppression and process control can reduce these issues and improve operational efficiency.
| Particulars | Value |
|---|---|
| Plant Capacity | 9 Ton/Day |
| Land & Building (700 sq.mt.) | Rs. 87 Lac |
| Plant & Machinery | Rs. 9 Lac |
| Working Capital for 2 Months | Rs. 36 Lac |
| Total Capital Investment | Rs. 1.35 Cr |
| Rate of Return | 23% |
| Break Even Point | 64% |
Coal and charcoal briquettes are compressed solid fuels made from fine coal, charcoal, or other combustible carbonaceous materials. Briquetting converts loose particles into compact shapes that are easier to handle, transport, store, and use. Coal briquettes can utilize small coal generated during mining, while charcoal briquettes are commonly manufactured for cooking, barbecue, heating, and other fuel applications. Depending on the product, binders and other formulation components may be incorporated to achieve the required strength, ignition characteristics, ash properties, and burning performance.
Biomass briquettes are primarily used as solid fuel for boilers, industrial heating systems, and other thermal applications. They are manufactured from agricultural, forestry, and wood-processing residues and provide a way to convert low-density waste materials into a more convenient fuel. Biomass briquettes can be used as alternatives to conventional fossil fuels in suitable combustion systems. Their practical suitability depends on factors such as moisture content, calorific value, ash content, raw-material consistency, storage conditions, and the specifications of the boiler or heating equipment.
The manufacturing process for charcoal briquettes generally includes raw-material preparation, carbonization where required, crushing, drying, formulation, briquetting, final drying, and bagging. Not every product requires all of these stages. For example, pre-carbonized charcoal may proceed directly to size reduction and formulation, whereas raw biomass may require carbonization before briquetting. The selected process depends on the feedstock, desired briquette shape, moisture level, binder system, density, strength, ignition behavior, and intended end use.
Briquettes can be produced from a wide range of combustible raw materials, including coal dust, charcoal, sawdust, wood chips, agricultural residues, coconut shells, chaff, and other biomass materials. The appropriate feedstock depends on the intended product and application. Charcoal barbecue briquettes may use charcoal together with formulation ingredients such as binders and other functional components, while wood briquettes can rely on the natural lignin in wood to bind particles under suitable processing conditions. Feedstock quality and consistency are important for achieving stable product performance.
Coal dust management is important because airborne coal dust can create health, safety, handling, and product-loss problems. Dust may be generated during mining, crushing, conveying, transfer, and other processing operations. Excessive dust can also accumulate on equipment and contribute to housekeeping and operational difficulties. Source-level suppression, suitable material-handling systems, controlled transfer points, ventilation, housekeeping, and appropriate protective measures can help reduce exposure and improve plant conditions. The exact control strategy should be selected according to the material characteristics and applicable safety requirements.
Key factors include reliable raw-material supply, proximity to markets, power and fuel availability, water supply, climate, transportation, waste disposal, labor availability, regulatory requirements, taxes, site characteristics, and community considerations. A suitable location should support efficient movement of raw materials and finished briquettes while providing adequate infrastructure for production and storage. Accessibility to suppliers and customers can also influence logistics costs and operating efficiency. Site selection should therefore be evaluated alongside plant layout, utilities, environmental requirements, and future expansion needs.
The report covers plant and machinery requirements and provides supplier categories relevant to briquette manufacturing operations. These include addresses of raw-material suppliers and plant and machinery suppliers, as well as suppliers of air compressors, storage vessels or storage tanks, D.G. sets, and belt conveyors. Equipment selection ultimately depends on the process route, feedstock, briquette specification, production requirements, and plant layout. Supplier evaluation should also consider technical specifications, installation support, service availability, spare parts, operating reliability, and compliance with applicable requirements.
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