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peroxide is generated by anatase TiO2 from a series of complex reaction, and the generated hydrogen peroxide is only an intermediate, which is responsible for the degradation of organic pollutants under visible light irradiation. Key words: hydrogen peroxide; titanium dioxide; visible-light photocatalytic  ......
/halerite[J]. Hydrometallurgy, 2009, 95(1): 5-7. [26] Arvin E, Pedersen L F. Hydrogen peroxide decomposition kinetics in aquaculture water[J]. Aquacultural Engineering., 2015, 64: 1-7. Oxalic acid leaching... time, liquid-to-solid (L/S) ratio, leaching temperature, and hydrogen peroxide concentration on the leaching of gallium and germanium, together with the filterability of the leaching residues were......
Trans. Nonferrous Met. Soc. China 28(2018) 1444-1455 Leaching of chalcopyrite with hydrogen peroxide in hydrochloric acid solution Sanja J. PETROVI1, Grozdanka D. BOGDANOVI2, Milan M. ANTONIJEVI2 1... 23 October 2017 Abstract: The aim of this work was to investigate the leaching of chalcopyrite concentrate in hydrochloric acid with hydrogen peroxide as a strong oxidizing agent. The effects......
过氧化氢-考马斯亮蓝阻抑动力学光度法测定痕量铋(Ⅲ)王晓菊1,李志宏1,高烨1(1.吉林省长春市长春师范学院 化学学院)摘 要:在硫酸和溴代十六烷基吡啶(CPB)胶束介质中,痕量铋(对过氧化氢氧化考马斯亮蓝的反应具有阻抑作用,据此建立了阻抑动力学光度法测定痕量铋(的新方法.研究了表面活性剂,反应介质及用量,试剂用量,加热时间,加热温度,干扰离子等因素的影响.在最佳实验条件下,阻抑反应与非阻抑反应体系在600 nm处的吸光度差值与铋(Ⅲ)的浓度在0.8~112μg/L范围呈良好线性关系,检出限为9.37×10-7......
distinctly enhance the catalytic activity for the direct oxidation of NaBH4. A simple direct borohydride-hydrogen peroxide fuel cell (DBHFC) is fabricated in which the Au/C is used as the cathode catalyst... density at 1 mol/L NaBH4 and 60 ℃. Key words: direct borohydride-hydrogen peroxide fuel cell; AuPd/C; nanosized particles; anode electrocatalyst 燃料电池是一种高效和清洁的能源[1-3],目前发展比较迅速的直接甲醇燃料电池(DMFC)存在效率低,能量密度低......
extraction of aquifer materials which were found in a contaminated site in China with hydrogen peroxide catalytic oxidation. The experimental results indicate that extracting method can enhance iron...; nitrobenzene; Fenton-like; hydrogen peroxide; extraction 硝基苯(nitrobenzene,NB)是一种较为常见且具有较大毒性的化工原料.近年来,由于硝基苯泄漏进入地下环境而造成土壤和地下水的污染越来越引起人们的关注,对其修复和治理也逐渐成为研究热点[1-3].相关研究表明:Fenton氧化技术是H2O2与Fe2+共同构成的以产生羟基自由基为核心......
Trans. Nonferrous Met. Soc. China 25(2015) 615-621 Role of hydrazine and hydrogen peroxide in aluminium hydroxide precipitation from sodium aluminate solution N. K. SAHU1, C. K. SARANGI2, B. DASH2, B... or hydrogen peroxide. The addition of low concentration of hydrazine is found to be effective, while higher amount of hydrogen peroxide is required to generate similar effect. XRD data confirm the product phase......
, YANG Xing-wen (School of Metallurgical Science and Engineering, Central South University,Changsha 410083, China) Abstract: Chloroauric acid was prepared by the method of hydrogen peroxide and hydrochloric acid. The thermal decomposition of chloroauric acid was researched. When the dosages of hydrogen peroxide and hydrochloric acid are respectively 5 and 2.49 times of theoretical dosage......
and hydrogen peroxide as oxidant to leach galena concentrate in the hydrochloric acid solution, with FeCl3 as leaching agent. The influence of all kinds of operation parameters on the leaching rate... words: galena; hydrogen peroxide; ozone; lead chloride; leaching rate 方铅矿是最重要的含铅矿物,是提取金属铅的铅精矿的主要成分.火法治铅工艺[1-2]是将方铅矿经融炼得到粗铅,粗铅电解后所得电解铅经酸溶解,再转化成其他铅盐,此工艺具有技术成熟,生产能力大等优点,但是劳动强度大,能耗高,产生的二氧化硫和含铅烟尘对环境的污染严重.因......
-stabilized zirconia; nanopowders; coprecipitation; hydrogen peroxide; microwave drying 1 Introduction The widespread applications of various zirconia-based materials make zirconia a hotspot in materials... grade) and aluminium chloride hexahydrate (AlCl3·6H2O, AR grade). Ammonia solution (NH3·H2O, 6 mol/L) and hydrogen dioxide solution (H2O2, 30%(mass fraction)) were used as precipitant and complexant......