A method for the determination of potassium ferrate based on the oxidation of chromite was introduced in this paper.

以亞鉻酸鹽氧化還原反應(yīng)為基礎(chǔ)建立了高鐵酸鉀的滴定分析方法。

Using silicon iron as anode to preparation sodium ferrate in non-diaphragm electrobath.

利用含鐵材料為陽極国产在线精选免费，銅為陰極色喲哟，NaOH溶液為電解液，于隔膜電解槽中電解制備高鐵酸鈉操操干操干。

Preparation of potassium ferrate and its application in water treatment are studied in this paper.

本論文主要研究了高鐵酸鉀的合成及其應(yīng)用于水處理的效果日韩在线vip福利电影网。

Based on that the instability of ferrate, fresh ferrate prepared by electrolysis was released directly to treat wastewater.

針對(duì)高鐵酸鹽難以長時(shí)間穩(wěn)定存在的特點(diǎn)，實(shí)驗(yàn)用電解新制的高鐵酸鹽直接投加進(jìn)行廢水處理天天舔。

The results indicated that the rate of potassium ferrate removing aniline depends on the value of pH, potassium ferrate concentration, and reacting time.

結(jié)果表明人妻AV无码系列专区移动可看，高鐵酸鉀對(duì)苯胺具有比較好的去除作用18禁黄网站禁片无遮挡，但受高鐵酸鉀的投加量、反應(yīng)時(shí)間在线资源av网站、體系的pH永久黄网站色视频免费大全91、苯胺初始濃度等的影響，其最佳反應(yīng)時(shí)間為30min欧美日韩一级特黄大片在线直播，pH=

Then studied on several clays affect on the stability of ferrate solution. The results show the addition of clays retarded the decomposition of ferrate in alkaline solution. Through analysed the results of test, we found this due to the silicium or polysilicium of clays and its increasing stabilizing effect on ferrate when the concentration of silicium or polysilicium increases.

接著作了粘土對(duì)高鐵酸鹽溶液的穩(wěn)定作用的研究青青青草视，結(jié)果表明粘土對(duì)高鐵酸鹽溶液有良好的穩(wěn)定作用，通過實(shí)驗(yàn)分析得到其穩(wěn)定作用是由于粘土中溶出的硅酸根或多聚硅酸根所致超碰在人人操，且隨著其濃度的增加對(duì)高鐵酸鹽的穩(wěn)定作用增強(qiáng)精品在线精品视频。

The experimental results showed that the existence of ultrasound could decrease the formation potential of ferrate and the passivation extent of iron anode, as well as O_2 evolution rate, which led to higher current efficiency for the direct electrosynthesis of solid ferrate at 65℃in 14 mol/dm~3 KOH solution.

通過對(duì)超聲波對(duì)純鐵電極電化學(xué)行為影響的研究表明，超聲波能加快電極表面上的固體K_2FeO_4向本體溶液中的轉(zhuǎn)移和延緩電極表面的鈍化99久久免费看,视频，還能減慢O_2析出的速度黄色高清无码在线，這可能就是超聲波作用能夠提高固體K_2FeO_4生成的電流效率的原因。

In this paper, the preparations, analytical methods, physical characteristics of ferrates and the application of ferrates in the fields of synthesis of organic compounds, treatment of waste water and the usage as cathode material in alkaline batteries are summarized. The electrochemical preparation of sodium ferrate is described and the relationships between the main parameters in the process are deeply investigated. One method of in-situ electrosynthesizing potassium ferrate of high purity with both high efficiency and low energy consumption is invented. The cyclic voltammogram and feature characterization of iron anode in alkaline solutions is studied. One preparation method of ex-situ electrosynthesizing tripotassium sodium ferrate of high purity is created.

本文概述了高鐵化合物的制備方法中文字幕在线更新资源站、分析方法欧洲性爱一级二级网站视频、物理化學(xué)性質(zhì)及其在氧化合成有機(jī)物、水處理和用作堿性電池正極材料等領(lǐng)域的應(yīng)用人人操人人草色；深入系統(tǒng)地研究了高鐵酸鈉的電化學(xué)制備及其影響參數(shù)之間的關(guān)系午夜熟女毛片；研發(fā)了一種高效率低能耗直接電合成高純度高鐵酸鉀的工藝方法；探討了鐵電極在濃的苛性堿溶液中的循環(huán)伏安特征及其極化特征黄av在线日韩；研發(fā)了一種電化學(xué)制備高鐵酸三鉀鈉的工藝方法并用多種現(xiàn)代分析測試技術(shù)對(duì)K_3Na(FeO_4美女裸体日韩成人网站大全，)_2進(jìn)行了表征。

A comparison of the degradation effectiveness of PVA by potassium ferrate, sodium hypo-chlorite and combination of them was studied. The effects of potassium ferrate and sodium hypochlorite dosage, oxidation time, initial concentration of PVA and pH on removal rate of PVA were explored.

文章比較了高鐵酸鉀一级AAAAAA大黄片、次氯酸鈉亚洲日韩一区二区三区网站、高鐵酸鉀與次氯酸鈉聯(lián)用對(duì)PVA的降解效果，考察了高鐵酸鉀和次氯酸鈉的投加量亚洲一区二区视频在线免费视频、氧化時(shí)問欧美操屄、PVA溶液的pH值和初始質(zhì)量濃度對(duì)PVA去除率的影響。

The results show that the degradation effectiveness of PVA was optimum when potassium ferrate and sodium hypochlorite were jointly used as the oxidative agent. The removal rate of PVA and COD was more than 98% and 40% under the conditions that the concentration of PVA was 3.0 g/L and the pH value was 7.2, the dosage of potassium ferrate and sodium hypo chlorite were 0.32 g/L and 3.92 g/L, and the reaction time was 50 min. In the process of united oxidative degradation, the chain of PVA was cut off and many low molecular weight compounds were formed. The main degradation products were carboxyl compounds.

結(jié)果表明在线观看国产美乳视频，用高鐵酸鉀與次氯酸鈉聯(lián)合氧化PVA時(shí)外国熟妇性交，降解效果最佳；在3.0 g/L国产精品亚韩精品无码a在线观看，pH值為7.2的PVA溶液中免费看黄网址国产精品，當(dāng)高鐵酸鉀與次氯酸鈉的投加量分別為0.32 g/L、3.92 g/L国产精品熟女露脸对白视频，反應(yīng)時(shí)間為50 min時(shí)九九草在线乱码av，PVA的去除率大于98%，COD去除率大于40%；在聯(lián)合氧化降解過程中欧美激情視頻，PVA斷鏈成小分子物質(zhì)三级片91韩国自拍，最終降解產(chǎn)物主要為羧基化合物。