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- DCS has been used in 40 kt/a sulfur recovery plant. 40 kt/a硫磺回收装置自动控制采用DCS集散控制系统。
- The solvent recovery operation itself need not be described in detail. 不必对溶剂回收操作本身进行详细的描述。
- To be economical these processes will require efficient solvent recovery operations. 若要经济,就要有有效的溶剂回收工序。
- The drying of wet polymer particles with solvent recovery is an operation which may see wide use in the plastics industry. 干燥湿的聚合物颗粒并把溶剂回收是在塑料工业中有广泛用途的一种操作。
- The furfural solvent recovery with nitrogen stripping was studied by experiment. 进行了用氮气汽提回收糠醛溶剂的实验室研究。
- But membrane technology is a potential solvent recovery means, and the major problem is how to increase the membrane flux and selectivity. 而膜分离法作为最有发展前景的一种回收方法,主要问题为提高膜的通量和选择性。
- A production line for high viscosity carboxymethyl starch of food grade is introduced,including etherizing,filtering and washing,drying,desolventizing,and solvent recovery. 本文介绍了食用级高粘度羧甲基淀粉的生产工艺,包括醚化,过滤洗涤,干燥脱溶及溶剂回收四个工段。
- The synthesis of prochloraz was introduced;the best reaction conditions were confirmed.The lowering of charge rate,solvent recovery and aftertreatment were discussed. 介绍了咪鲜安的合成方法,确定了最佳的反应条件,并给出了实验结果,还对投料比、溶剂回收、以及后处理等相关问题进行了讨论。
- Separation of n-hexane/1-hexene mixture with precise distillation was investigated under background of the solvent recovery of low pressure polyethylene process. 针对低压聚乙烯装置过程中溶剂回收为研究背景,在间歇和连续条件下考查回流比、进料浓度与进料量等条件对1-己烯塔顶浓度和收率的影响。
- The research progress and application of technologies for organic solvent recovery, such as adsorption, absorption, condensation, and membrane technology, are reviewed. 摘要本文对有机溶剂的回收方法,如吸附法、吸收法、冷凝法和膜分离法等的研究进展与应用进行了综述。
- The application of the technology on this plant tackled the environmental pollution problems resulting from waste polymer from thiamine recovery plant. 并在装置上应用了该技术,解决了硫铵回收装置的废聚合物污染环境的问题。
- The minimization of energy consumption of solvent recovery from slag wax benzol-ketone dewaxing unit under conditions of guarantting the recovered solvent quality was analyzed. 分析了在保证回收溶剂质量的前提下,尽量降低酮苯脱蜡蜡液溶剂回收装置能耗的问题。
- The technical features of SSR sulphur recovery process, its application in a large-size sulphur recovery plant and comparison with introduced advanced technology are described. 介绍了SSR硫回收工艺技术特点、在大型硫回收装置上的成功应用及与引进技术的对比。
- The main process improvements were two-stage filtration, total filtrate recyling, application of filtration aids, solvent recovery with osmotic membrane, room temperature dewaxing, etc. 工艺方面的进展主要是两段过滤、滤液循环、滤剂应用、透膜溶剂回收和室温脱蜡等。
- The main process improvements were two-stage filtration, total filtrate recyling, application of filtration aids, solvent recovery with osmotic membrane,room temperature dewaxing, etc. 工艺方面的进展主要是两段过滤、全滤液循环、助滤剂应用、渗透膜溶剂回收和室温脱蜡等。
- The separation of ethanol-water using glycol as solvent was carried out and the result showed that the temperature in still increased gently and the operation of the solvent recovery was... 以乙二醇作溶剂分离乙醇-水物系统为例的实验研究表明:新的操作方式具有塔釜温度稳定、溶剂回收简便、操作时间短和操作弹性大等优点。
- A mixed solvent, naphtha and petroleum ether in certain proportions was used in synthesizing 2-ni-troaniline-4-sulfonic acid, the yield of the product >91 % , solvent recovery >95%. 以溶剂汽油和石油醚按一定比例复配成混合型溶剂,用该溶剂合成了2-硝基苯胺-4-磺酸。产品收率在的91%25以上,溶剂回收率在95%25以上。
- The advances of production process are mainly applications of two stage filtration, full filtrate circulation, filter aids, membrane solvent recovery, dewaxing at room temperature, etc. 工艺进展主要是两段过滤、全滤液循环、助滤剂应用、渗透膜溶剂回收、室温脱蜡等。设备方面的进展主要是套管结晶器、真空过滤机、螺杆压缩机高效能。
- In this paper, according to the problem of C_3 recovery rate is not high in a NGL recovery plant with turbo-expander, the main unit process models were built up, and the process simulation calculation is taken . 本文针对某使用透平膨胀致冷工艺的轻烃回收装置在实际生产中存在丙烷收率偏低的具体问题,建立了主要单元过程的工艺计算模型并对工艺过程进行模拟计算。
- The plant was growing at an angle. 植物呈一定角度生长。