Results 101 to 110 of about 602 (238)

基于亚硫酸盐活化体系的Cr(Ⅵ)和罗丹明B同步去除

open access: yesGongye shui chuli
Cr(Ⅵ)-染料复合污染废水在印染、制革等工业生产活动中普遍存在。基于“以废治废”的理念,利用水体中的Cr(Ⅵ)活化工业废物亚硫酸盐〔Cr(Ⅵ)/S(Ⅳ)体系〕,探究其同步去除罗丹明B(RhB)和Cr(Ⅵ)的可行性,鉴别了反应体系中的活性物种,并考察了Na2SO3和Cr(Ⅵ)的初始浓度、反应溶液初始pH以及溶解氧对RhB和Cr(Ⅵ)降解效果的影响。结果表明:在pHini=3时,1.00 mmol/L Na2SO3和0.15 mmol/L Cr(Ⅵ)在60 min内可去除95.1%的RhB和87.4 ...
李天羽   +4 more
doaj  

Preparation of CMC-Stabilized FeS Nanoparticles and their Enhanced Performance for Cr(VI) Removal

open access: yes, 2011
FeS nanoparticles with uniform size have been prepared through a facile route using (sodium carboxymethyl cellulose) CMC as soft template. The nanoparticles are about 4-6 nm by observation of transmission electron microscopy (TEM). The CMC template could
Jin Liu   +3 more
core   +1 more source

Revisiting Stability Criteria in Ball‐Milled High‐Entropy Alloys: Do Hume–Rothery and Thermodynamic Rules Equally Apply?

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
The stability criteria affecting the formation of high‐entropy alloys, particularly focusing in supersaturated solid solutions produced by mechanical alloying, are analyzed. Criteria based on Hume–Rothery rules are distinguished from those derived from thermodynamic relations. The formers are generally applicable to mechanically alloyed samples.
Javier S. Blázquez   +5 more
wiley   +1 more source

不同碳基材料对Cr(Ⅵ)的吸附动力学研究

open access: yesGongye shui chuli, 2017
以传统活性炭(木质炭、煤质炭)与碳纳米管为碳基吸附剂,研究不同碳基吸附剂对Cr(Ⅵ)的吸附效果,并对其吸附动力学进行研究。结果表明,传统活性炭对Cr(Ⅵ)的吸附性能优于碳纳米管,木质、煤质活性炭和碳纳米管对Cr(Ⅵ)的理论最大吸附量分别为158.23、152.44、48.69 mg/g;传统活性炭和碳纳米管对Cr(Ⅵ)的吸附过程均符合准二级动力学方程;传统活性炭和碳纳米管对Cr(Ⅵ)的吸附属于物理吸附。
刘航   +5 more
doaj  

Characterization of Aluminized Layers on Inconel‐738 Alloy: Microstructure, Modeling of Aluminizing Kinetics, and Thermal Behavior

open access: yesAdvanced Engineering Materials, EarlyView.
This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe   +4 more
wiley   +1 more source

Research on Detoxifying Treatment to Chromium Slag

open access: yes, 2011
A particular industrial waste was selected as reducer for detoxified chromium slag in solid phase. Oxidation resisting was also tested. The results showed that concentration of Cr(Ⅵ)in the products was related to experimental condition, such as the ...
Zhi Tong Sui   +4 more
core   +1 more source

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira   +4 more
wiley   +1 more source

Comparative study on the adsorption characteristics of MIL-53(Fe) on MB, Cr(Ⅵ) and their composite pollution systems

open access: yesGongye shui chuli
The complex harmful components in industrial wastewater pose challenges to traditional adsorption materials in treating composite pollutants, such as low adsorption efficiency and poor cycling stability.
ZHONG Chenchen   +5 more
doaj   +1 more source

Removal of Hexavalent Chromium-Contaminated Wastewater by Micro-Emulsion Liquid Membrane Method

open access: yes, 2011
The micro-emulsion liquid membrane (MELM) was prepared for the extraction of hexavalent chromium (Cr (Ⅵ)) from wastewater. The membrane phase consists of kerosene as a membrane solvent, tributyl phosphate (TBP) as a mobile carrier, and sorbitan ...
Yan Li Yuan   +3 more
core   +1 more source

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy