< img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=4184978094946615&ev=PageView&noscript=1" /> How to Deal with Tea Residues?

How to Deal with Tea Residues? – Turning Tea Residues into Biomass Pellet Fuel

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Ceylon black tea is produced in Sri Lanka. Ceylon highland black tea, Anhui Qimen black tea and Darjeeling black tea are also known as the three major black teas in the world. Ceylon black tea has gained more and more people’s understanding and recognition in China with its excellent quality and pure taste. Ceylon black tea is called “a gift to the world”!

With the continuous expansion of the field of tea deep processing, the output of teas, instant tea and tea polyphenols has increased rapidly, resulting in a large amount of tea residues. The preparation of tea residues into biological particulate fuel is a new treatment method of tea residues, which has the characteristics of environmental protection, economy and sustainable development.

Status of Comprehensive Utilization of Tea Residues

Tea contains a lot of nutrients, while traditional tea beverages and tea deep-processed products only use the water-soluble components in tea leaves, and there are still more nutrients remaining in the discarded tea residues. According to research reports, 17%-19 % crude protein, 16%-18% crude fiber, 1%-2% tea polyphenols, 0.1%-0-3% caffeine still remain in the tea residue after extraction. , 1.5% to 2.0% of lysine, 0.5% to 0.7 % of methionine, etc., which have high potential utilization value.

At present, the treatment of tea residues mainly focuses on tea residue fertilizer, tea residue feed, and extraction of effective functional components from tea residues. In addition, tea residues can also be used as dietary fiber, making pillow cores, and treating wastewater.

Possibility of Tea Residue Biomass Pellet Fuel Utilization

Waste tea residues contain a large amount of insoluble components and some residual soluble components. The conventional practice is to use it as fertilizer, feed, etc. At present, there are related research reports on the modification of tea residues into hydrogels, biosorbents, extraction of water-insoluble dietary fibers from tea residues, preparation of tea flavors, antioxidant peptides, enhanced fertilizers for corn, and fermentation of biogas. The tea residue treatment method only extracts some useful components, and the utilization of tea residue is incomplete, and a large amount of tea residue is still discharged eventually; Waste tea residues accumulate, causing secondary pollution to the environment. It can be seen that none of the current treatment methods for tea residues really solves the problem of comprehensive utilization of tea residues. The tea residue pellet fuel biomass solves the technical defects of incomplete utilization of the current tea residue treatment and c auses secondary environmental pollution, and provides a clean, energy-saving and environmentally friendly biomass fuel, which can replace other Fossil fuel will not cause the accumulation of tea residues, reduce production costs, reduce environmental pollution and environmental protection investment.

Production Process of Tea Residue Biomass Pellet Fuel

The tea residue biomass pellet fuel uses the tea residue after tea extraction and the sludge in the wastewater treatment as raw materials, and is filtered by a plate and frame filter press, and then the tea residue after the pressure filter is put into a Rotary Dryer for drying. Finally, the pressed-dried sludge and the dried tea residue are mixed and extruded through a Ring Die Pellet Mill. The biomass pellet fuel can be used as fuel for biomass water heater and biomass hot blast stove. Through the development of tea residue Pellet biomass fuel, the waste tea residue can be completely digested and used as a new type of energy, which can effectively solve the environmental pressure caused by a large number of tea residues, improve the utilization rate of resources and reduce production costs while protecting the biomass environment. Improving the product yield is in line with the sustainable development needs of the ecological environment, and is more conducive to improving the added value of t ea production.

The key technology of using tea residue to develop biomass pellet fuel lies in the setting and optimization of technical parameters of plate and frame filter press, tumble dryer, Ring Die Pellet Machine, and optimization of the mixing ratio of tea residue and sludge.

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