Construction waste refers to the general term for engineering debris, engineering mud, engineering waste, demolition waste, and decoration waste. Through the development of pre-treatment and resource utilization technologies for construction waste, harmless treatment of construction waste can be achieved through resource utilization, and sustainable and healthy development of treatment plants can be achieved through policy support and the application of recycled products.

Firstly, pre sorting is carried out to remove large particle interference substances. Through coarse crushing, coarse screening, primary sorting (magnetic separation, air separation), fine crushing, fine screening, and fine sorting (air separation, magnetic separation), wood, plastic, ferrous metals, non-ferrous metals, etc. are accurately separated and sent to corresponding resource utilization pathways or enterprises for reuse; Inert materials such as brick and concrete are adjusted in particle size to produce recycled coarse and fine aggregates that meet different needs. They can be directly utilized as resources or used as raw materials for various building materials; The remaining combustible materials and residues can be incinerated or landfilled for disposal.

The resource utilization of construction waste should be combined with capacity reduction and resource utilization, which is not only beneficial for protecting the environment and reducing pollutants, but also can achieve the comprehensive utilization of solid waste and achieve the goal of resource recycling.