Various conversion techniques for the recovery of value-added products from tea waste

A Review on the Challenges and Choices for Food Waste Valorization: Environmental and Economic Impacts

“…A wide range of applications of biochar/biocarbon have been reported, which include cement mortar, 161 soil amendment to improve crop growth, 162,163 water purification, 164,165 as well as a catalytic material to support the catalytic conversion process, 166 as an additive in AD of FW for enhancing the biogas production, 36,106 as well as for energy storage. 167 For example, biochar-based composite was used for contaminant removal from water. 168,169 Biochar is also being used as a soil amendment in wheat cultivation, which confirmed better crop growth.…”

“…For example, biochar-based composite was used for contaminant removal from water. , Biochar is also being used as a soil amendment in wheat cultivation, which confirmed better crop growth . Refined carbon from tea waste attains better electrochemical properties and a greater capacitance, which is used in a porous carbon nanosheet, and thus can be an alternative material for carbon-based electrical devices . However, FW hydrothermally converted into formate is an excellent hydrogen carrier that can be used as a fuel cell material …”

“…163 Refined carbon from tea waste attains better electrochemical properties and a greater capacitance, which is used in a porous carbon nanosheet, and thus can be an alternative material for carbon-based electrical devices. 167 However, FW hydrothermally converted into formate is an excellent hydrogen carrier that can be used as a fuel cell material. 149 Value-added products such as antioxidant compounds and anthocyanins have various industrial applications including in the food industries.…”