Lin Maosong has long been engaged in the R&D and engineering practice of solid waste resource utilization technologies, evaluation of green low-carbon building materials. He focuses on the research fields such as coal-fired solid waste, metallurgical slag, construction waste, urban sludge and its incineration ash. He has mainly studied more than 10 national key R&D programs and municipal-level scientific research projects, and achieved breakthroughs in core technologies involving safety control and resource recycling of desulfurization & denitrification fly ash, sludge and relevant incineration ash. He has published more than 20 papers and participated in 5 technical standards.