Research status and suggestions of yellow hosphorus production technology by thermal processing under peak carbon dioxide emission and carbon neutrality
Yellow phosphorus is the important basic raw material of phosphorus chemical industry,which supports our phosphate refinement and the development of organic phosphorus chemical industry.Thermal yellow phosphorus production has the characteristics of high energy consumption,high pollution and high carbon emission.It is the only way for Chinese yellow phosphorus enterprises to innovate the sustainable development mode of industry,to break through the multiple constraints of resources,energy and environment,and to develop green yellow phosphorus production technology.Combined with the time background of"carbon peak and carbon neutrality",this paper described the development of yellow phosphorus production technology and the status quo of by-product resource utilization.There were some problems in yellow phosphorus production,such as phosphate ore resource depletion,widespread utilization of low-value by-products,high difficulty in energy transformation,low overall energy efficiency level of enterprises and insufficient key technologies of industrial chain link.In order to realize energy saving and carbon reduction and green development of yellow phosphorus industry,this paper put forward five suggestions:to accelerate the promotion of pelletizing technology of low and medium grade phosphorus ore in tail gas sintering of yellow phosphorus,to increase the development of value-added utilization technology of resources,to explore new technology of yellow phosphorus reduction,to strengthen cooperation between enterprises,and to build a multi-industry coupled circular economy of phosphorus resource industry.
low carbonyellow phosphorusphosphorus recycling economyenergy conservation and emission reduction
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