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过硫酸盐 - Open Access .click
Results 11 to 20 of about 2,069 (87)

Ultrafast Catalytic Decomposition Reaction Using a ZIF‐67@Cellulose Nanofiber Composite‐Based Cobalt/ Nitrogen Co‐Doped Nanoporous Carbon for Water Treatment

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Recently, cobalt/nitrogen co‐doped materials have emerged as heterogeneous catalysts to activate peroxymonosulfate (PMS) and have been applied to advanced oxidation processes for environmental remediation. However, their recyclability and reusability remain major barriers to practical application.
Wen‐Kai Zhu   +11 more
wiley   +1 more source

厌氧复合床反应器处理高浓度硫酸盐有机废水

open access: yesGongye shui chuli, 2007
通过对硫酸盐还原菌与产甲烷菌的竞争机制、硫酸盐还原产物的影响以及反应器运行性能等方面的研究,认为厌氧复合床反应器处理高硫酸盐有机废水是可行的。当进水硫酸盐质量浓度为1000~1600mg/L时,即SO42-容积负荷为1~1.6kg/(m3·d)时,出水硫酸盐质量浓度为140mg/L左右,平均去除率为88.6%。
冯雷雨, 孙力平, 严媛媛, 张艳
doaj   +2 more sources

Synergy of Built‐In Electric Field and Surface Reconstruction of Co–NiS/Ni3S2 Nanowires for Enhanced Bifunctional Activity and Anti‐Chlorine Corrosion in Seawater Electrolysis

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT The development of efficient and stable bifunctional electrocatalysts is a key challenge for the industrialization of hydrogen production by water electrolysis. In this work, Co‐doped NiS/Ni3S2 heterostructured nanowire arrays (Co–NiS/Ni3S2 NA) were successfully constructed by precisely modulating the phase‐selective behavior of nickel ...
Xing‐Hang Liu   +2 more
wiley   +1 more source

In Situ Fabrication of Sulfate‐Grafted Mo‐Doped NiOOH for Electrocatalytic Methanol Oxidation Coupled With Hydrogen Production at Industrial‐Level Current Density

open access: yesRare Metals, Volume 45, Issue 1, January 2026.
ABSTRACT Developing efficient and sustainable energy conversion technologies is crucial for addressing the global energy and environmental challenges. As a promising clean energy conversion strategy, the electrocatalytic methanol oxidation coupled with cathodic hydrogen production provides a pivotal path to solve the above problems.
Tao Chen   +4 more
wiley   +1 more source

工业循环冷却水中钼酸盐含量测定研究

open access: yesGongye shui chuli, 2012
介绍了一种测定工业循环冷却水中钼酸盐含量的方法———硫氰酸盐分光光度法。在待测水样中加入6.0 mL硫酸溶液,1.0 mL硫酸亚铁铵溶液,10.0 mL硫氰酸铵溶液以及1.0 mL抗坏血酸溶液,此时钼酸盐被还原成Mo5+,并与硫氰酸盐形成橙色络合物,在460 nm波长处测定该络合物的吸光度并通过标准曲线计算出钼酸盐含量。该方法科学、稳定,抗干扰能力强,测定范围适用于循环冷却水中钼酸盐含量的测定。
白莹, 邵宏谦, 杨裴, 李琳
doaj   +2 more sources

Lewis Acid–Base Interactions Enable Sustained Catalytic Activity for Polysulfide Conversion in Lithium‐Sulfur Batteries

open access: yesRare Metals, Volume 45, Issue 1, January 2026.
ABSTRACT Lithium‐sulfur batteries (LSBs) face sluggish sulfur reduction reaction kinetics and severe polysulfide shuttling issues, which significantly limit their performance. In this work, a multifunctional separator with a 3D porous framework featuring confined pore structures and selective adsorption capability is constructed to address these ...
Mengchen Zhang   +12 more
wiley   +1 more source

硫酸盐还原——甲烷发酵两步厌氧法处理含高浓度硫酸盐有机废水可行性研究

open access: yesGongye shui chuli, 1993
本文以合成废水为基质,采用软性纤维填料反应器和UASB反应器,研究了硫酸盐还原作用与甲烷发酵相结合的两阶段厌氧消化工艺处理含高浓度硫酸盐有机废水的可行性,并探讨了处理系统的最佳工艺条件。研究表明,反应器通过18天的启动,硫酸盐的去除率可达到95%;硫酸盐还原的同时有机物被酸化,酸化产物以乙酸为主;废水pH在6.48-7.14时,反应器可获得最高的硫酸盐去除率并使出水中硫酸盐浓度在国家规定标准以下。
康风先, 伦世仪, 陈坚
doaj   +2 more sources

柠檬酸螯合Fe(Ⅲ)活化过硫酸盐降解活性艳红X-3B

open access: yesGongye shui chuli, 2018
文章研究了柠檬酸螯合Fe(Ⅲ)活化过硫酸盐体系对水中活性艳红X-3B的降解效果。考察了过硫酸盐浓度、Fe(Ⅲ)/柠檬酸(CA)、pH及阴离子(NO3-、NO2-、HCO3-、Cl-)对X-3B降解效果的影响,并研究体系中产生自由基的贡献率。结果表明,过硫酸盐浓度为0.2 mmol/L时,X-3B降解率最大;X-3B的降解率随Fe(Ⅲ)/CA增大而增大;pH的增大不利于X-3B的降解;无机阴离子的加入抑制X-3B的降解。·OH和SO4 ·-在光解过程中的贡献率分别为58%和31%。
张楠, 李建民, 汪应灵
doaj   +2 more sources

单原子活化过硫酸盐降解有机污染物研究进展

open access: yesGongye shui chuli
随着工业的迅速发展,含有大量难降解有机污染物的生活生产废水被排入水体,对人体健康与环境产生严重威胁。基于过硫酸盐的高级氧化技术在处理难降解有机废水上有着突出表现,而采用单原子催化剂能最大限度地利用金属原子,减少金属离子溶出,在活化过硫酸盐降解有机污染物中有很好的应用前景。综述了单原子催化剂的制备方法,并阐述了各种方法的优缺点。分别论述了Fe、Co、Mn和Cu等金属单原子催化剂活化过硫酸盐降解有机污染物的应用,并总结了单原子催化剂活化过硫酸盐的机理以及单原子催化剂活化过硫酸盐体系对有机污染物的降解机理 ...
赵杰   +8 more
doaj   +2 more sources

HABR反应器硫酸盐型厌氧氨氧化启动特性研究

open access: yesGongye shui chuli, 2016
试验探讨了复合式厌氧折流板反应器(HABR)里硫酸盐型厌氧氨氧化启动特性及不同COD对系统的影响。通过提升进水基质浓度成功启动硫酸盐型厌氧氨氧化。结果表明,硫酸盐型厌氧氨氧化是分步进行的,一号、三号和四号隔室所进行的主要反应各不相同。NH4+-N、SO42-、COD去除效果稳定,最高值分别为52.2%、53.7%、60.9%。较低的COD(60~150 mg/L)能促进硫酸盐型厌氧氨氧化的进行,COD过高会抑制厌氧氨氧化菌活性。
李军, 向韬, 郑驰骏
doaj   +2 more sources

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