Coffee is a kind of drink widely loved by people. No matter on output capacity, consumption quantity or output value, it ranks first among world’s three major beverages. Coffee is mainly produced from developing regions and countries in tropical and subtropical zone in South Africa, Asia and Africa. Consumption to coffee is widely spread all over the world, especially in developed countries. During making coffee process, there is large amount of coffee grounds (Spent Coffee Grounds). According to 2021 Year survey data from Zonelion Taeda Research Institute, there is 9.6MT coffee grounds produced annually. In China, SCG is majorly produced in Yunan and Hainan Regions. About 1t coffee beans will produce 650kg SCG. Taking one cup of flavorful freshly ground coffee as example, about 30g coffee grounds will be produced. Compared with fast development of coffee industry, disposal to SCG still remains at a coarse landfill stage. Although coffee market in China is limit, there is about millions of kilograms such “brown garbage” produced every year in Shanghai. Great amount of coffee grounds are thrown away or dumped, which will cause pollution to environment and a waste of resources.
Spent coffee grounds contain great amount of Organic compounds such as fatty acids, amino acids, polyphenols, minerals， polysaccharides and organic compounds. Take the dry basis test result as example, normally, spent coffee grounds normally contain 20% coarse fiber, 12% coarse protein, 13% fat and only 2% ash. What worth mentioning is that calorific value of spent coffee grounds is higher than 1200kj/kg (this data differ from different coffee beans). Application to animal feedstuff nutrition, fertilization and fuel are all simple and feasible recycling way suitable for industrial large scale production. Besides, spent coffee ground can also be used for bio oil extraction and active carbon production. For small commercial use aspect, relying on absorption feature, coffee grounds can be used for air purification and plant soil amendments.
Although Taeda can provide you full set active carbon production line, we still recommend you to adopt superior raw materials like coconut shell and bamboo charcoal to produce high-added value active carbon. Therefore, this article only analyzes from comprehensive utilization in animal feedstuff nutrition additives and provides large scale industrialized solution. For this solution, spent coffee grounds can be directly processed and no need oil extraction. But, during processing, there shall be no odor produced. Protein and fat content cannot be affected. If there is steam available at working site, we can also provide steam heated drying line for option. If there is natural gas available at working site, we correspondingly have more efficient and cost effective production line. Price for common coffee grounds is RMB250/ton. As for animal feedstuff additive, price is about RMB1400/ton and the price may fluctuate according to market condition. Taeda specially designed spent/used coffee grounds drying production line can produce high quality product efficiently while meeting requirement of animal feedstuff nutrition additive. For each ton dry spent coffee grounds, production cost (including labor force, electricity, fuel and raw material) is about RMB860/ton. Profit for one ton produce is about 38%.
Taeda specially designed spent coffee grounds drying production line is featured in large processing capacity. Processing capacity of standard model is 0.5tph, 1.5tph, 3tph, 6tph and 9tph. Daily profit is RMB6000, RMB18000, RMB36000, RMB72000 and RMB116000. This production line is suitable for both small-medium sized and large scale enterprises. Taeda coffee grounds drying line occupies small space and holds large processing capacity. Its configuration mode can be flexibly arranged based on working site. In terms of operation, this coffee grounds drying line adopts automatic control which can store full day working data and no need much labor force. Therefore, if you have large scale used/spent coffee grounds supplying channel, Taeda is willing to co-work with you to realize comprehensive utilization of spent coffee grounds. Making coffee grounds waste into resources not only benefits environment, but also contributes to healthy development of coffee industry.
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