光催化技术是一种新兴的高效节能现代污水处理技术。
Photocatalytic process is one of the current technologies with high efficiency and saving energy for the removal of pollutant from water.
光催化技术是一种新兴、高效、节能、现代污水处理技术。
Photocatalytic process is an energy-saving and high efficiency technology in sewage disposal.
现代污水处理技术，按原理可分为物理处理法、化学处理法和生物处理法三类。
Modern wastewater treatment technology, according to the principle can be divided into physical treatment method, chemical processing method and biological treatment method with three types.
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