Research progress and development trend of coal-based activated carbon binders
The clean and efficient utilization of coal is a crucial strategy for attaining the"double carbon"goals,and the application of coal-based activated carbon serving as a key component of this approach.As the environmental protection industry continues to advance,the demand for coal-based activated carbon has significantly intensified.Among them,the addition of binders during the production of coal-based formed activated carbon plays a significant role in enhancing the performance of activated carbon.Therefore,it is essential to conduct research on developing new binders for the preparation of formed activated carbon.This analysis delineates the function mechanism of coal-based activated carbon binders,and summarizes the research progress of coal-based activated carbon binders in or-ganic binders(including phenolic resin,adhesive cellulose,polyvinyl alcohol and its derivatives,starch,humic acid and its sodium salts),inorganic binders(like silicates,aluminates,sulfates,phosphates,chlorides,lime,bentonite,soapstone,water glass),composite binders(organic-inorganic,inorganic-inorganic,organic-organic,etc.)in recent years.It summarizes the main characteristics of coal-based activated carbon binders,encompassing their binding efficacy,formability,thermal and chemical stability,environmental sustainability,influence on ad-sorption capacity,cost-efficiency,ease of management and recuperation,compatibility,and modifiability.Finally,the future development trends of coal-based formed activated carbon binders are discussed.Future research should fo-cus on the development of environmentally friendly binders,research on multifunctional binders,comprehensive uti-lization of resources,performance optimization of binders,standardized and large-scale production,driving of envi-ronmental regulations and market demand,and interdisciplinary cooperation.Coal-based activated carbon binders are poised to evolve towards enhanced environmental sustainability,efficiency,multifunctionality,and comprehensive resource utilization.This development trend will necessitate synergistic support from policy frameworks,market de-mands,and advancements in technology.As an innovative material,coal-based activated carbon binders are set to substantially propel the growth of the activated carbon sector,elevate environmental and energy efficiencies,catalyze technological breakthroughs and industrial advancement,stimulate regional economic progress,and expedite the for-mulation of pertinent regulations and standards.
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