Transforming waste particles into valuable adsorbents via amyloid-mediated molecular engineering  

作　　者：Qingmin Yang Jian Zhao Yujia Zhang Xingyu Zhou Hao Ren Bowen Hu Zhongli Lei Lixin Chen Peng Yang 

机构地区：[1]Key Laboratory of Applied Surface and Colloid Chemistry,Ministry of Education,School of Chemistry and Chemical Engineering,Shaanxi Normal University,Xi’an 710119,China [2]School of Material and Chemical Engineering,Bengbu University,Bengbu 233030,China [3]Anhui Provincial Engineering Laboratory of Silicon-Based Materials,Bengbu 233030,China [4]Xi’an Key Laboratory of Polymeric Soft Matter,School of Chemistry and Chemical Engineering,Shaanxi Normal University,Xi’an 710119,China [5]International Joint Research Center on Functional Fiber and Soft Smart Textile,School of Chemistry and Chemical Engineering,Shaanxi Normal University,Xi’an 710119,China [6]School of Chemistry and Chemical Engineering,Northwestern Polytechnical University,Xi’an 710129,China

出　　处：《Science China Chemistry》2025年第1期317-328,共12页中国科学(化学英文版)

基　　金：funding from the National Key R&D Program of China(2020YFA0710400,2020YFA0710402);funding from the National Key R&D Program of China(2020YFA0710400,2020YFA0710403);the National Science Fund for Distinguished Young Scholars(52225301);the 111 Project(B14041);the International Science and Technology Cooperation Program of Shaanxi Province(2022KWZ-24);the Key Science&Technology Innovation Team of Shaanxi Province(2022TD-35);the Fundamental Research Funds for the Central Universities(GK202305001);the Fundamental Research Funds for the Central Universities(GK202205017);the National Natural Science Foundation of China(51903146);funding from the National Natural Science Foundation of China(21905166);the Natural Science Foundation of Shaanxi Province(2024JC-YBMS-304);the Natural Science Foundation of Shaanxi Province(2020JQ-406);funding from Key R&D projects in Shaanxi Province-General items(Industrial field)(2023-YBGY-180)。

摘　　要：The high-value utilization of industrial solid waste using a facile and eco-friendly process is of great interest and significance in reducing environmental pollution and developing a green circular economy.Herein,we propose an amyloid-mediated molecular engineering strategy to transform particulate waste into valuable adsorbents for metal ions.Our method has the advantage of aqueous solution fabrication under mild conditions without the use of high-temperature hydrothermal methods and toxic chemical reagents.Amyloid-mediated molecular engineering manipulates the phase transition of bovine serum albumin(BSA)on particulate waste surfaces,resulting in a remarkable~3.1 times improvement in the adsorption capacity of fly ash,a typical industrial solid waste for gold ions after modification with the phase-transitioned BSA(PTB).The resultant adsorption ability was 69–1,980 times higher than those of conventional and emerging adsorbent materials such as ion exchange resins,activated carbon(AC),covalent organic frameworks(COFs),and metal-organic frameworks(MOFs).We further demonstrated the application of our PTB-modified materials in the recovery of precious metals from low-grade gold ore and electronic waste leachates.Consequently,this strategy could increase the value of waste materials nearly 27 times.In addition,this method is generally extendable to other conventional industrial adsorbents such as resin,clay,and Al_(2)O_(3),and enhances their adsorption capabilities at least twofold.Overall,this work provides a simple and green approach for improving the adsorption performance of solid particles,and is expected to develop into a universal strategy for transforming waste particles into high-value-added products.

关 键 词：amyloid-like protein aggregates surface engineering fly ash solid waste adsorption 

分 类 号：TQ424[化学工程] X705[环境科学与工程—环境工程]