Leather making is the process of converting raw hides into leather.Amounts of solid waste containing hazardous and high value components are generated during this process.Therefore,the elimination of the potential pol...Leather making is the process of converting raw hides into leather.Amounts of solid waste containing hazardous and high value components are generated during this process.Therefore,the elimination of the potential pollution and resource utilization of leather solid waste are the primary research hotspots.Herein,we comprehensively review the recent advances in the resource utilization of leather solid waste generated from chrome tanning including the utilization of tannery hair waste,untanned solid waste,chrome-containing leather solid waste,tannery sludge and finished leather waste,emphasizing on the general and novel utilization approaches.Finally,the remaining challenges and perspectives were summarized,in order to accelerate the development of resource utilization of leather solid waste.展开更多
The recycling of leather solid waste not only involves resource utilization and environmental protection but also has important significance for the sustainable development of the leather industry.In this paper,the le...The recycling of leather solid waste not only involves resource utilization and environmental protection but also has important significance for the sustainable development of the leather industry.In this paper,the leather waste was crushed into fibers,which were stabilized and mixed with nitrile-butadiene rubber(NBR).The mixture was milled and vulcanized and a composite NBR-SLF(Stabilized Leather Fiber)is prepared for sealing material.The physical and mechanical properties,water resistance,oil resistance and aging resistance of NBR-SLF were tested and analyzed.It is found that the optimized NBR-SLF not only reduces the cost of raw material,but also changes the physical and mechanical performance of NBR.As a sealing material,it satisfies the substitution of NBR in terms of hardness and thermal stability.Especially the anti-aging ability is better than NBR.展开更多
基金National Key Research and Development Program of China(No.2017YFB0308402)Shandong Provincial Key Research&Development Project(No.2018GGX108006).
文摘Leather making is the process of converting raw hides into leather.Amounts of solid waste containing hazardous and high value components are generated during this process.Therefore,the elimination of the potential pollution and resource utilization of leather solid waste are the primary research hotspots.Herein,we comprehensively review the recent advances in the resource utilization of leather solid waste generated from chrome tanning including the utilization of tannery hair waste,untanned solid waste,chrome-containing leather solid waste,tannery sludge and finished leather waste,emphasizing on the general and novel utilization approaches.Finally,the remaining challenges and perspectives were summarized,in order to accelerate the development of resource utilization of leather solid waste.
基金This work was supported by the Chengdu Science and Technology Plan Project(2018-YF05-01219-SN).
文摘The recycling of leather solid waste not only involves resource utilization and environmental protection but also has important significance for the sustainable development of the leather industry.In this paper,the leather waste was crushed into fibers,which were stabilized and mixed with nitrile-butadiene rubber(NBR).The mixture was milled and vulcanized and a composite NBR-SLF(Stabilized Leather Fiber)is prepared for sealing material.The physical and mechanical properties,water resistance,oil resistance and aging resistance of NBR-SLF were tested and analyzed.It is found that the optimized NBR-SLF not only reduces the cost of raw material,but also changes the physical and mechanical performance of NBR.As a sealing material,it satisfies the substitution of NBR in terms of hardness and thermal stability.Especially the anti-aging ability is better than NBR.
