The causes of liquid caustic soda loss during the liquid caustic soda electrolyte evaporation process were analyzed, and preventive measures were proposed. 分析了液碱电解液蒸发工艺过程中液碱损失的原因,并提出了预防措施。
The bottom plates in the liquid section have suffered from severe corrosion caused by the precipitation of sulfuric acid carried by neutral oil in spent caustic. 液相部位的罐底板,由于碱渣中性油带有的硫酸沉积,造成底板局部位置腐蚀严重。
The PVC/ chlor-alkali industry in the west of our country should also develop in coordination with the local economics. The large-scale transportation of liquid caustic soda from west to east is to be avoided, so as to prevent the east and southeast markets from being influenced. 我国西部的PVC/氯碱产业也应同当地经济协调发展,避免出现大规模西碱(液体烧碱)东运冲击我国东部、东南部烧碱市场的被动局面。
During the operation of evaporating facility for the production of 48% ion-exchange membrane liquid caustic, problems existing in the fields of process, facility and control are introduced and methods to the corresponding are proposed. 阐述了48%离子膜液碱蒸发装置运行中,于工艺、装置、控制等方面存在的问题及解决方法。
Measures of reducing salt content in 42% liquid diaphragm caustic soda 降低42%隔膜液碱含盐量的措施
The designed capacity of the original electrolytic liquid evaporation unit is only 80.000 t/ a, as the bottleneck, the running situation of the evaporation device influenced the total unit ability of caustic soda directly. 原配套的三套隔膜碱液蒸发装置设计能力仅8万吨/年,作为生产瓶颈,蒸发装置的运行情况直接影响烧碱总装置能力的发挥。
This paper profits from the petrified industry to pick up and unload experience with other hard trenches, analyzed several kinds of unloading procedures, proposed the vacuum siphon to unload the liquid caustic soda and had a wide application. 借鉴石化系统与其它铁路槽车的接卸经验,分析了铁路槽车的几种卸车工艺,提出了利用虹吸进行铁路槽车卸液碱工艺,具有较强的应用性。
Observations by optical microscopy and scanning electron microscopy are conducted on the fracture of scrapped silver passage tubes for hot liquid caustic soda. 对流动热碱液下使用的失效银通道管作了光学显微镜、扫描电镜的断口观察。
The problems of disulfide and caustic liquid entrainment and waste caustic residue existed in caustic sweetening process are discussed. The improving technical route is proposed. 同时分析了液化气碱法脱臭工艺存在的二硫化物夹带、碱液夹带和废碱渣等问题,提出了改进的工艺技术路线。
The experimental results show that during the resin finishing process, uniformity of DMDHEU distribution on cotton fabrics treated with liquid ammonia has not been decreased in comparison with that on the cotton fabrics mercerized with caustic soda. 实验证明:液氨处理后的棉织物再经传统的PDC方式的树脂整理时,树脂(2D)的泳移程度并不小于烧碱丝光棉织物。
Innovation on treatment process of salt slurry in 30% liquid caustic soda production 30%液碱生产中盐泥处理工艺的改进
The operation of evaporating facility for the production of 48% ion-exchange membrane liquid caustic 48%离子膜液碱蒸发装置的运行
After modifying caustic soda evaporation process in recent years, better results are obtained in Salt Chemical Industry General Plant of Jianghan Petroleum Administrative Bureau, such as improvement of quality of liquid caustic with high concentration, decrease of steam consumption and more stable operation. 江汉石油管理局盐化工总厂近几年通过对烧碱蒸发工艺进行的技术改造,取得了较好的效果,提高了高浓度碱质量,降低了蒸汽消耗,装置运行更加稳定。
Spent caustic liquid from ethylene cracking is the waste caustic liquid produced from the caustic scrubbing of cracking gas in ethylene plant. 乙烯裂解废碱液是乙烯装置在裂解气碱洗过程中产生的一股碱性废液。
The procedure of innovation of treatment process of salt slurry in 30% liquid caustic soda productions were introduced. 介绍了30%液碱生产过程中盐泥处理工艺的改造过程。
The development of large scale film evaporator and its application in concentrating liquid caustic soda 大型薄膜蒸发器的研制及其在烧碱浓缩中的应用
Process of vacuum siphon picking up and unloading liquid caustic soda in railroad tank car 铁路槽车液碱真空虹吸接卸工艺
Study of DMDHEU distribution on cotton Fabrics Treated with Liquid Ammonia and Caustic Soda 经液氨处理及烧碱丝光的棉织物上树脂分布的研究
Increasing liquid Chlorine Production of Membrane Caustic Soda Plant 提高离子膜法烧碱装置中液氯产量
When liquid ammonia is used as the neutralizer for titanyl sulfate hydrolysis seed instead of caustic soda, the TiO 2 will have higher whiteness and color strength as well as better economic benefit. 用液氨代替烧碱作钛液水解晶种的中和剂,所得TiO2产品的白度、着色力好,且经济效益好。