Results 21 to 30 of about 320,256 (172)
Dimensional Assembly Engineering of Ce‐MOF Interfaces for Selective Recognition of Phytic Acid
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Selective molecular recognition is central to chemical sensing yet discriminating structurally similar molecules at complex interfaces remains challenging. Traditional strategies based on tuning size, charge, or binding‐site chemistry often suffer from limited flexibility.
Qiang Miao +7 more
wiley +1 more source
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Recovering palladium (Pd) from low‐concentration metallurgical wastewater still poses significant challenges. In this study, triaminoguanidine hydrochloride was used as the key functional site, and three guanidine‐functionalized covalent organic frameworks (GCOFs) were successfully constructed by adjusting the substituents (–H, –OH, and –OCH3)
Jiaxing Xiong +9 more
wiley +1 more source
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Efficient catalytic materials are vital for addressing the polysulfide shuttle and sluggish redox kinetics in lithium–sulfur batteries. Herein, we report a facile sugar‐blowing method to prepare porous carbon‐supported FeCoNiCuPt high‐entropy alloy (HEA) nanospheres with abundant lattice defects in a single crystalline phase.
Guixiang Zhong +8 more
wiley +1 more source
Gongye shui chuli, 2016 以天然铁矾土为原料制备得到改性铁矾土除砷吸附剂，考察了反应时间、pH、竞争离子对该吸附剂吸附砷效能的影响，并对吸附机理进行了分析。结果表明：该吸附剂对废水中的砷具有较高的吸附效能。在反应时间为60 min内，该吸附剂对砷的吸附呈快速上升趋势；该吸附剂对砷的饱和吸附量可达19.2 mg/g；酸性与中性的pH环境有利于砷的吸附去除；废水中的PO43-与砷存在较强的竞争吸附，而SO42-、NO3-与砷的竞争吸附作用较小。
刘兴旺, 陈建宏, 胡晞
doaj
Gongye shui chuli, 2022 为回收利用废水中的Cu2+，通过酸处理和化学改性法制备了新型纤维状海泡石吸附剂。分别考察了酸处理、十六烷基三甲氧基硅烷（HDTMS）改性对天然海泡石（Sep）表面性质的影响，并用制备的海泡石吸附剂（H-T-Sep）对水中的Cu2+进行吸附。对改性吸附剂的理化性质进行表征分析，HDTMS能在保持Sep原始晶体结构的情况下对其进行疏水化改性。静态吸附实验结果表明：H-T-Sep对水中Cu2+的吸附过程符合准二级反应动力学模型及Langmuir吸附方程，表明该吸附过程由多种行为控制。H-T ...
魏珊珊 +4 more
doaj
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT The Janus structure of ZnIn2S4 (ZIS) endows it with an intrinsic built‐in electric field that effectively drives photogenerated charge separation. However, this very structure also renders the predominant (001) facet (In–S termination) catalytically inert due to its low electron density and high energy barrier for the hydrogen evolution ...
Qingao Zhou +8 more
wiley +1 more source
Gongye shui chuli, 2012 用3种超高交联吸附树脂对4B酸水溶液进行吸附实验,筛选出吸附效果最好的NDA-99树脂。通过静态吸附、动态吸附和脱附实验,探讨了pH、浓度、温度和流速等对树脂吸附4B酸的影响及合适的再生条件。结果表明,该树脂对水溶液中4B酸的吸附主要为物理吸附,降低温度有利于吸附。动态吸附实验表明:在288K下,进液流速为3BV/h的条件下动态饱和吸附量为158.35mg/g;以质量分数为8%的NaOH溶液为脱附剂,脱附流速为1BV/h,脱附温度为343K时,1.5BV的NaOH溶液对饱和树脂的脱附率高达97.5%。
曹侃, 李斐, 翟志才
doaj
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Layered double hydroxides (LDHs) are attractive non‐noble catalysts for overall water splitting (OWS), yet their hydrogen evolution reaction (HER) activity is often limited by suboptimal *H adsorption and a paucity of accessible sites. Herein, we introduce an oxygen‐vacancy (Ov) engineering strategy to construct ultrathin Ni‐Fe LDH nanosheets ...
Qi Liu +8 more
wiley +1 more source
Gongye shui chuli, 2019 为开发廉价高效去除水中重金属Cr（Ⅵ）污染的生物吸附剂，在以沉水植物菹草固形物作为吸附剂研究的基础上，对菹草进行改性以提高吸附性能，并以其为吸附剂进行吸附实验。改性菹草对Cr（Ⅵ）的去除率最高为99.6%，其对Cr（Ⅵ）的吸附动力学符合准二级动力学方程，吸附等温线符合Langmuir吸附等温线，最大吸附量可达64.5 mg/g，与未改性的菹草相比，最大吸附量提高了84.3%。
刘子琪, 王芳, 王爱丽
doaj
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Aqueous zinc‐ion batteries are plagued by anode challenges such as dendrite growth and corrosion, which stem from intrinsic surface heterogeneity. Although constructing a homogeneous interfacial layer is a promising strategy, conventional electrolyte additives often suffer from incomplete or unstable coverage.
Ke Huang +6 more
wiley +1 more source