Unit 12 Transport Phenomena in Process Industry These transport processes are also involved in the 涉及，专心 human body as well as in the complex processes 复杂过程 whereby pollutants react and diffuse in the 污染物 atmosphere. These transport processes are also involved in the 涉及, 专心 human body as well as in the complex processes 复杂过程 whereby pollutants react and diffuse in the 污染物 atmosphere. Unit 12 Transport Phenomena in Process Industry