{"id":37,"date":"2025-07-14T14:59:18","date_gmt":"2025-07-14T07:59:18","guid":{"rendered":"https:\/\/annguyenphat.com\/wood-pellets\/"},"modified":"2026-08-05T21:20:06","modified_gmt":"2026-08-05T14:20:06","slug":"wood-pellets","status":"publish","type":"post","link":"https:\/\/annguyenphat.com\/en\/wood-pellets","title":{"rendered":"Cashew Nut Shells \u2013 Biofuel from Cashew Industry By-products"},"content":{"rendered":"

Vietnam is one of the world’s largest exporters of cashews. The process of extracting kernels generates a significant amount of cashew shells.<\/strong> After the extraction of cashew nut shell liquid (CNSL), the remaining pressed shell residue<\/strong> serves as a biomass fuel characterized by high<\/strong>, stable calorific value\u2014a fuel that is increasingly favored in industrial applications. <\/em><\/p><\/blockquote>\n

1. What is cashew residue?<\/b><\/h1>\n

\"\"In the cashew processing workflow, after shelling <\/span>and extracting the kernels<\/b>, the peels are sent to be pressed for oil\u2014a highly valuable industrial raw material. The residue remaining after oil extraction is <\/span>Cashew nut residue\u2014an agricultural by-product that might seem like waste, but is actually highly effective as fuel.<\/p>\n

With<\/span> an average calorific value exceeding 4,600 kcal\/kg<\/b> and<\/span> an ash content of less than 3%<\/b>,<\/span> oil-pressed cashew<\/b> nut residue<\/span> has become one of the most cost-effective and high-performance biomass fuels<\/b> on the market.<\/span><\/p>\n

2. Advantages of cashew nut shells as boiler fuel<\/b><\/h1>\n

\"Cashew<\/p>\n