Recent progress of waterless technologies for Jeans washing in denim industry

This review focuses on the current situation of sustainable development of denim industry and analyzes the water consumption in the production process of denim.In the washing process of jeans,the dry treatment or near-anhydrous treatment is becoming a sustainable trend to replace the traditional wet treatment.From the perspective of environmental protection,this review summarizes the recent research frontiers of water-saving technologies such as recycling and utilization of printing and dyeing wastewater,foam finishing technology,ozone washing technology and laser washing technology in denim industry.With the upgrading of textile industry and the implementation of national environmental protection laws and regulations,technologies such as foam finishing,ozone washing and laser engraving have been well-developed in the field of denim garment washing processing.In the future,the denim industry will be revolutionized by the water-free manufacturing.