It is found that the clay with low cost could solve the carrier problem and extremely enhance the TiO2 photo catalysis behavior owing to active carbon and bivalent Mn.

• 发现用廉价粘土可以解决二氧化钛的载体问题，而且由于活性炭和二价锰的作用可以极大的提高二氧化钛的光催化效果。