Name: Huixue Ren , professor, doctor, master tutor. Main social part-time jobs: member of Chinese chemical society and Chinese society of biological engineering; expert member of shandong environmental protection industry association. Main research directions and contents:Research direction 1: development and recycling of new environmental materials: mainly developing bio-based environmental adsorption materials for the removal of heavy metal ions in water, the remediation of heavy metal contaminated soil; Research direction 2: environmental catalysis and intelligent water pollution control: mainly developing new composite nano-polymer and inorganic molecular photocatalysis materials, environmental catalysis technology to remove refractory organic wastewater. Current scientific research projects: Responsible person of the subproject "research on key performance and safety testing technology of household environmental purification products" of the national key R&D program (2017YFF0209904,2017.7-2020.12). Main scientific research awards:in 2017, "Efficient Pb (II) removal using sodium Alginate, Carboxymethyl Cellulose Gel Beads: Preparation, Characterization, and Adsorption Mechanism" won the first prize in environmental science institute of shandong province outstanding papers, the first place. Authorized invention patent: Ren huixue et al., a composite adsorption material for removing heavy metal ions, its preparation method and application.(patent no. : ZL201410024690.4)