硫氰酸钠

本文通过实验分析了循环水中含有硫氰酸钠对循环水腐蚀性的影响。

The paper discussed the affect of NaSCN to the corrosion of recycle cooling water .

结果表明，利用高温净化除杂方法，可以把硫氰酸钠中的有机杂质全部去除干净。

Results indicate that all organic impurities can be cleaned out from NaSCN solution with this method .

采用套碱工艺（碱性硫氰酸钠）将碱性流出液与硫氰酸钠产品分开，从而使产品pH呈中性，同时降低工艺过程中氢氧化钠的消耗量。

Fourthly , a kind of set alkali solution technique was adopted to separate the alkaline from the product , hence a neutral product was produced and the consumption of sodium hydroxide was reduced .

本文研究了丙烯腈（AN）和烯西基磺酸钠（SAS）在硫氰酸钠浓水溶液中于pH5和70℃下的共聚合。

The copolymerization of acrylonitrile ( AN ) with sodium allyl sulfonate ( SAS ) in concentrated aqueous solution of sodium thiocyanate at pH 5 and 70 ℃ is investigated .

本项目针对大庆石化公司腈纶厂污水回收系统存在的硫氰酸钠回收率低、硫氰酸钠产品的pH、硫酸根和NVI（非挥发性杂质）含量等指标过高的问题开展研究。

Research was performed aiming at the low recovery rate of the waste recovery system and the high pH , high sulphate and high NVI ( non-volatile impurities ) in the sodium thiocyanate product .

根据离子阻滞法原理，应用YC-207树脂对腈纶溶剂硫氰酸钠溶液进行除杂脱色。

The sodium thiocyanate ( NaSCN ) solution was subjected to impurity removal and decolourization with YC-207 resin according to ion retardant principle , which had the advantages of high recovery ratio , satisfied purification effect and low cost .

GB/T14540.1-1993复混肥料中钼的测定方法硫氰酸钠分光光度法

Determination of molybdenum content for compound fertilizers & Thiocyanate spectrophotometric method

腈纶工业中硫氰酸钠溶剂的净化技术

The purification technology of sodium thiocyanate solvent for polyacrylonitrile fiber industry

硫氰酸钠法高吸湿腈纶的研制

Development of high-moisture absorption PAN fiber via sodium thiocyanate method

硫氰酸钠溶剂中铁离子脱除工艺的技术改进

Process improvement of ferrous ion removal from sodium rhodanate solution

丙烯腈、乙腈和硫氰酸钠对摇蚊幼虫的急性毒性

Acute Toxicity of Acrylonitrile , Acetonitrile and Sodium Rhodanide to Chironomus SP

从栲胶脱硫液中提取硫氰酸钠复合栲胶脱硫工艺的优化

Recovery of Sodium Thiocyanate from Desulfuration Liquid of Tannin Extract

58%硫氰酸钠储槽腐蚀原因分析

Analysis on the Causes of Corrosion of 58 % Sodium Thiocyanate Storage Tanks

反应混合液中硫氰酸钠的浓度为40%。

The concentration of sodium thiocyanate is 40 % in the reaction solution .

对硫氰酸钠除杂的基本方法进行了简要回顾。

Basic cleaning methods of NaSCN solution for PAN fiber have been discussed .

硫氰酸钠溶剂中甲基丙烯磺酸钠的测定

Determination of sodium Methylallyl sulfonate in sodium thiocyanate solvent

本文叙述硫氰酸钠溶剂中甲酸钠的测定方法。

A method of determination of the formates in sodium thiocyanate solvents is described .

膜分离法净化硫氰酸钠

Purification of sodium thiocyanate by membrane

GB/T1268-1998化学试剂硫氰酸钠

Chemical reagent Sodium thiocyanate

本文探讨了硫氰酸钠&氨太阳能间歇吸收制冷循环的性能。

This paper discusses the performance of a periodic ammonia & sodium thiocyanate solar energy absorption refrigeration cycle .

简要介绍了大庆石化腈纶厂回收污水中硫氰酸钠的工艺流程、原理及操作。

Brief Introduction the process , principles and operation that recovery in Daqing Petrochemical acrylic sodium thiocyanate from wastewater .

指出这一方法必将成为今后硫氰酸钠除杂的最有效的方法之一。

It will be a good method for us to remove the impurities in the NaSCN solution in the future .

腈纶生产中有一些有机物转化为可溶的不挥发性杂质，进入硫氰酸钠溶液，影响腈纶丝的质量。

Some organics are converted to soluble but non-volatile impurities and go into the sodium rhodanate solution which influence the quality of acrylic fibers .

根据这一理论对硫氰酸钠一步法腈纶装置的除铁工艺进行改进后，装置的物料消耗量显著减少。

The process of ferrous ion removal was improved for the nitrilon plant by sodium rhodanate one-step method and the consumption of materials decreased .

论述了硫氰酸钠高温净化除杂的基本原理，以此原理为基础建立起高温净化除杂的新型实施方法。

Basic NaSCN principle of high-temperature-cleaning is expatiated . A kind of new cleaning method has been suggested here on the foundation of this principle .

并研究了无机盐氯化钠、硫酸钠、氯化钾、硫酸钾、硫氰酸钠以及硫氰酸钾六种溶液对从复合物中回收鱼精蛋白的影响。

Sodium chloride , sodium sulfate , potassium chloride , potassium sulfate , sodium thiocyanate and potassium thiocyanate was studied on the recovery of protamine .

膜分离对硫氰酸钠中的总杂质、硫酸根和含铁杂质的去除率约为80%，97%，60%。

About 80 % , 97 % of total impurities and sulfates and 60 % of iron contained impurities were rejected by the membrane process .

将活性炭吸附除杂工艺应用于湿法腈纶溶剂硫氰酸钠的净化，是国内一项独一无二的技术。

The application of the adsorption process of active carbon in the purification of sodium rhodanate of wet-spun acrylic fiber was the only technology in our country .

大庆石化公司腈纶厂每年消耗硫氰酸钠600余吨，在全国同行业中处于中游水平。

More than 600 tons of sodium thiocyanate was consumed every year in the Acrylic Fiber Plant of Daqing Petrochemical Company , which was the average level among the national craft brothers .

工业硫氰酸钠质量的研究第一报：硫氰酸钠中甲酸钠对丙烯腈聚合影响的发现及其含量的测定

Research for Quality of the Commercial Sodium Thiocyanate & Part ⅰ: Discovery of the influence of sodium formate in sodium thiocyanate on acrylonitrile polymerization ; Determination of sodium formate content in sodium thiocyanate