工业茶渣炭化甲基橙吸附

摘 要茶是生活中随处可见的饮品，在茶产业快速发展的同时，不可避免的产生了许多工业茶渣。将这些工业茶渣回收处理，实现其高值化利用，对茶产业的价值延伸和环境减负有着重要意义。本文将收集的工业茶渣置于马弗炉中，通入氮气 10 min，保持温度在 400℃，炭化 2 h，制备出茶渣炭化产物。通过分析茶渣的物化性值，以及茶渣炭化产物对甲基橙的吸附性能，得出以下结论：工业茶渣在 400℃时，热失重达到 52.92%，制备的炭化茶渣对 1×10-5 mol/L 甲基橙的吸附率，在 60 min 内，能达到 44.01%；通过电镜扫描发现，与一般茶渣相比，炭化茶渣表面具有更多的孔洞和更大的表面积，因此能提高其对有机污染物的吸附效果。关键词：AbstractTea is a drink that it can be seen everywhere in our life. With the rapid development of tea industry, many industrial tea dregs have been produced. It is of great significance for the value extension and environmental reduction of tea industry to recover and treat these industrial tea residues and realize their high value utilization. In this paper, the collected industrial tea dregs were put into muffle furnace, nitrogen was introduced for 10 minute, the temperature was kept at 400oC, and carbonized for 2 hours respectively, to prepare the carbonized products of tea dregs. By analyzing the physicochemical properties of tea residues and the adsorption properties of tea residue charring products for methyl orange, the following conclusions are drawn: the thermal weight loss of industrial tea pomace reaches 52.92% at 400oC. The adsorption rate of the prepared carbonized tea pomace to 1×10-5 mol/L methyl orange can reach 44.01% within 60 min; Compared with general tea dregs, the surface of carbonized tea dregs has more holes and a larger surface area, so it can improve its adsorption effect on organic pollutants.Key words: Industrial tea dregs, Charring, Methyl orange, Adsorb目 录1 引言......