Can be treated physically or chemically.
1. Physical treatment: Separate water-packed sand paint waste and treat sand and water-packed paint waste separately. Among them, water-packed sand can be cleaned by screening, washing, etc. ., in order to facilitate reuse, waste paint can be recycled and reused by distillation, filtration, etc.
2. Chemical treatment: Chemical treatment of waste paint containing water in sand, such as using acid-base methods to separate and recover waste paint, or using oxidation methods, reduction methods, etc. eliminate harmful substances.