稀硝酸

aspenplus在稀硝酸装置吸收塔、漂白塔模拟过程的应用

Application of Aspen Plus in Simulation of Absorption and Bleaching Towers in Thin Nitric Acid Unit

在稀硝酸介质中，铀能催化过氧化氢氧化罗丹明B褪色的反应，据此建立了催化动力学光度法测定痕量铀的新方法。

A new kinetic method for determination of trace uranium (ⅵ) has been developed , based on the catalytic effect of uranium (ⅵ) on the discoloring reaction of Rhodamine B oxidated by Hydrogen peroxide in nitric acid medium .

含稀硝酸己二胺有机废水焚烧时的NOx排放特性

No_x emission from incineration of organic waste water containing hexamethylenediamine and dilute hno_3

在活性填料塔内用稀硝酸吸收废气中的NOX

The absorption of no_x into dilute nitric acid within an active packing tower

稀硝酸与双氧水混合溶液中的腐蚀测试表明碳包覆层对球核中心的金属Cu具有很好的保护作用。

It was found that the carbon shell could effectively shield the metallic Cu core from oxidation in the mixed solution of dilute hydrogen peroxide and nitric acid .

介绍了稀硝酸制备工艺过程中，使用aspenplus流程模拟软件对吸收塔、漂白塔模拟过程中的处理方法。

This paper introduced simulation method for absorption tower and bleaching tower in thin nitric acid unit by using of Aspen Plus software .

详细说明了双加压稀硝酸工艺装置中复杂控制回路和联锁，以及DCS控制方案的实际应用效果。

The complex control loop of dual-pressure process and interlock of units are explained in detail , DCS automatic control is accurate and effective in practice .

所得溶液蒸发至近干，用稀硝酸（1+99）溶解盐类，溶液经定容后供作FAAS测定。

The salts were taken up with HNO3 solution ( 1 + 99 ), and ready for FAAS determinations .

稀硝酸介质中非离子表面活性剂对MBT铜缓蚀率的影响

Effect of Nonionic Surfactant on the Corrosion Inhibitive Rate of MBT for Copper in Diluted Nitrate Acid Solution

BET测试结果说明载体用稀硝酸处理时间的长短可改变Fe2O3/YSZ-Al2O3的比表面积从而影响其甲烷燃烧活性，其中0.5h最佳。

BET results suggested treatment time of nitric acid to YSZ-Al_2O_3 support exerted an influence on catalytic activity of the catalyst by changing its BET areas , and 0.5 h was best .

介绍了以溴甲酚绿为指示剂，用氢氧化钠滴定游离硝酸，然后在醋酸-醋酸钠缓冲溶液中以EDTA络合滴定铜（），再用铁铵矾为指示剂，在稀硝酸介质中以硫氰酸盐滴定银。

In the silver electrolyte , free nitric acid was titrated with sodium hydroxide used bromcresol green as indicator . Copper was determined by EDTA compleximetry in the Hac-NaAc buffering solution .

采用30%磷酸三丁酯（TBP）-煤油作补萃剂，稀硝酸作反萃剂，常温操作。

The operation of IB extractor was carried out with 30 % TBP-kerosene as scrubbing agent and dilute nitric acid as stripping agent at room temperature .

介绍了Pt-Pd-Rh三元针织经向铂催化网在稀硝酸生产装置中的使用情况及巩固措施。

The application of Pt-Pd-Rh ternary knitting warpwise Pt catalyst net in the production of dilute nitric acid is described .

YG8硬质合金经稀硝酸水溶液化学侵蚀后，表面一定深度内的粘结相钴将被化学刻蚀掉，引起表层疏松。

Cobalt phase was chemically etched to certain depth beneath the surface and porous layer was formed after YG8 cemented carbide had been soaked in aqueous solution of dilute nitric acid .

还原后得到的硫酸亚铁经过净化除杂，滴加到含有适量有机添加剂的沉淀剂NH4OH-NH4HCO3中，沉淀洗涤干燥后900℃煅烧2h，煅烧产品再用稀硝酸和氢氟酸洗涤，得到高纯球形-αFe2O3。

The FeSO_4 obtained by reduction is purified , adding to NH_4OH-NH_4HCO_3 solution containing organic additives , precipitated and finally washed and then calcined at 900 ℃ for 2 hours . The calcined product is washed using dilute nitric acid and hydrofluoric acid , obtaining high-purity α - Fe_2O_3 .

碳纳米管在稀硝酸纯化后，用混酸、浓碱、浓硫酸/双氧水混合试剂以及Fenton试剂处理碳纳米管，在其表面引入羟基，再通过缩水甘油氧丙基硅烷偶联剂（KH560）修饰。

After purification of CNTs with dilute nitric acid , CNTs were modified in order to introduce hydroxyl groups on their surface with mixed acid , strong alkali , mixture reagent of concentrated sulfuric acid / hydrogen peroxide and Fenton reagent , respectively .

稀硝酸对普通碳钢腐蚀速率的研究

Study on Corrosion Rate of Dilute Nitric Acid to Carbon Steel

双加压稀硝酸装置的自控方案

Automatic Control of the Dilute Nitric Acid Units with Dual-pressure Process

铜与浓、稀硝酸反应的一体化实验装备

The Integrated Experiment Plant of Copper and Thick , Thin Nitric Acid Reaction

稀硝酸装置清洁生产水平分析

The Clean Production Analysis of Thin Nitric Acid Unit

稀硝酸法氧化淀粉生产草酸的可行性研究

Research on practicable production of ethane diacid by oxidizing starch with dilute nitric acid

稀硝酸替代盐酸作为再生剂在除盐系统的运用

Use of Dilute Nitric Acid Instead of Hydrochloric Acid as Regenerant in Desalting System

本文试验了以稀硝酸作为黑、白钨矿分离的选择性溶剂。

Diluted nitric acid is used as a selective solvent to separate scheelite from wolframite .

将玻璃料溶于稀硝酸中来完成两个组分的分离。

Separation of the two components is accomplished by dissolving the frit in dilute nitric acid .

造纸黑液木素稀硝酸氧化及其螯合锌肥的初步研究

Preliminary Study on the Oxidation of Black-Liquor Lignin by Dilute Nitric Acid and its Chelated Zn-Fertilizer

30kt/a全中压法稀硝酸装置技术改进

Technical Improvement of 30kt / a Dilute Nitric Acid Unit Based on All Medium Pressure Process

研究了造纸黑液木素稀硝酸氧化法制备活性氧化木素的适宜条件。

Optimal conditions for preparation of active lignin oxide by oxidizing black-liquor lignin with nitric acid were studied .

用稀硝酸预处理煤可大大提高煤的抽提率；

The pretreatment of coal with diluent HNO 3 before extraction could greatly increase the yield of coal extraction ;

稀硝酸作为选择性溶剂的钨矿物相分析&白钨矿与黑钨矿的分离测定

Chemical Phase Analysis of Tungsten Minerals using Diluted Nitric Acid as the Selective Solvent for Separation of Scheelite from wolframite

也可用于稀硝酸提纯生产浓硝酸，主要在生产过程中起到吸水作用。

Aslo can be used in purify the dilute nitric acid to aquafortis because of the water absorption in the process .