中文摘要：\r本文利用溶膠－凝膠法（Sol－Gel method）製備二氧化鈦奈米粒子（Anatase\r晶相），測定廷得耳效應判斷其是否為奈米粒子，並以二氧化鈦奈米粒子加入水\r中，以紫外光照射測試其光催化分解水反應的活性，並測試其分解南崁溪河川廢\r水的能力。結果顯示自製二氧化鈦奈米粒子具有明顯的廷得耳效應，光催化分解\r水反應因紫外光源功率過低未能呈現，有待改進；分解河川廢水的能力仍在進行\r中。\rAbstract\rThis experiment produces Titanium dioxide nano-particles (Anatase crystal\rphase)by using Sol-Gel method. We prove the particles as nano-order by the Tyndall\reffect And adds Titanium Dioxide into water, illuminate it with special wavelength\rultraviolet radiation. The activity of its light catalysis reaction to water was tested.\rThe capability of the treatment of wastewater in Nancan River by nano-titanium\rparticles was also studied. The results show that the powder prepared by this\rexperiment has apparently Tyndall effect，the photo-catalysis reaction of water is\rfailed due to the weak power of UV light sources. The test of wastewater treatment is\rstill processed.
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