FL-J non-hydro-dewaxing catalyst has good application foreground.
型非临氢降凝催化剂具有良好的应用前景。
The present invention is an improvement of dewaxing process of isopropanol and urea.
本发明是对尿素异丙醇脱蜡过程的改进。
The method of dewaxing by thermal treatment in laboratory was studied in this paper.
在实验室探索了化学热处理法降蜡的可行性。
It is suitable tor the dewaxing of water glass shell moulds and shell moulds by electrophoresis.
它既适用于水玻璃型壳的脱蜡，也适用于电泳型壳的脱蜡。
The infrared dewaxing technique is a dry dewaxing technique, effectual and economizing on energy.
提要红外脱蜡工艺是一种效果好、能耗低的干式脱蜡方法。
Several suggestions are proposed for further application of catalytic dewaxing process in refineries.
最后，为在我国炼油厂进一步推广脱蜡工艺提出了几点建议。
Selective activation is accomplished by treated the dewaxing catalyst with a carrier feed containing oxygenate.
通过用含有含氧物质的载体原料处理所述脱蜡催化剂来进行选择活化。
The better result of refining and dewaxing was achieved by using the ethanol solution with mass concentration of 70%.
本文采用质量浓度为70%的稀乙醇进行精制除蜡，效果较佳。
The liquid paraffins obtained from urea-dewaxing process generally contain aromatic hydrocarbons in the range of 3~10%.
用尿素脱蜡方法生产出来的液体蜡，一般都含有3～10%的芳香烃。
The method can improve the filtrating speed and the dewaxing oil yield but decrease the solvent ratio and the energy cost.
该方法提高脱蜡段过滤速度和脱蜡油收率，降低溶剂比，降低能耗。
The reasons of containing water in solvent in ketone-benzol dewaxing unit and the disadvantageous influence are introduced.
介绍了酮苯脱蜡装置溶剂含水原因及对生产过程的不利影响。
The research is made on dewaxing shellac by centrifugal subside and refining shellac-wax by Carbon tetrachloride extraction.
介绍了用离心沉降对紫胶脱蜡和四氯化碳萃取精制紫胶蜡的研究过程和结果。
Denitrogenation experiments towards Daqing third vacuum dewaxing distillate were carried out with TTS denitrogenation agent.
采用TTS脱氮剂对大庆减三线脱蜡油进行脱氮实验，考察增加脱氮工艺对油品质量的影响。
This technology has the advantages of high yield and high quality of target products compared with catalytic dewaxing process.
与催化脱蜡工艺相比具有液体产品、基础油收率和产品档次较高等特点。
PPD not only have a well-dewaxing role but also to tolerate a variety of external changes and add intensity and drug concentration.
一个好的降凝剂不仅具备降凝作用而且要耐受各种外力变化和强度以及加药浓度的影响。
The paper introduced the process for low-melting of semi-refined wax made with slack wax from by-product in butanone-toluene dewaxing unit.
介绍了应用石蜡发汗工艺以酮苯脱蜡装置副产的蜡膏为原料生产低熔点半精炼石蜡的过程。
The paper deals with a method of thermoelectric dewaxing with high voltage and high electric current, simple to handle, safe and economical.
本文介绍一种利用高电压、大电流的电热解堵法，这种方法解堵快、安全、经济、简单易行，凡有供电线路的地方均可使用。
Transformer oil, white oil and aluminium foil rolling oil could also be produced with selected feedstock at certain operating severity of dewaxing.
选择不同的原料，调整异构脱蜡操作的苛刻度，经调合可生产变压器油、白油和铝箔轧制油等。
This product is multiple choice dewaxing agent . especially used to remove the emulsive was. amino wax or other kinks of wax on marble floor and board.
本品为综合性质的脱蜡液。专门脱离在大理石地面及地板上的水乳质地板蜡，氨基蜡以及地面上各种涂蜡及水乳类化涂等。
The serious corrosion occurred in aqueous solution section of MEK dewaxing unit usually. It was one of great bottleneck of steady operation in the unit.
酮苯脱蜡装置的腐蚀主要发生在水溶液系统，是困扰装置长周期平稳运行的关键环节之一。
Plant waxes include carnauba wax candelilla wax and sugarcane wax used in polishes. About90% of the waxes in commerce are recovered by dewaxing petroleum.
植物蜡主要是巴西棕榈蜡，小烛树蜡和甘蔗蜡都用作擦亮剂。工业用蜡中约有90%是由石油中回收的。
High purity heavy liquid paraffin and low condensing point dewaxing oil are produced by urea complex using Daqing crude oil distilling cut as raw materials.
以大庆直馏柴油为原料，经异丙醇尿素脱蜡制得纯度较高的重质液体石蜡和低凝点脱蜡油。
It can be used as catalyst or catalyst carrier for dewaxing via isomerization, selective hydrogenation, cracking, condensation of alcohol and aldehyde, etc.
可在异构脱蜡、选择性加氢及裂化、醇醛缩合等反应中用作催化剂的活性组分和载体。
The crude rice bran oil with high acid value should be refined with physical refining, including degumming, bleaching, de-acidification, dewaxing, defatting.
米糠浸出所得到的毛糠油为一种高酸值毛油，采用物理精炼工艺在提高油脂精炼率和经济效益方面具有明显的优势。
Two section furfural extraction process was used to re-extract the deasphalted dewaxing oil and vacuum cut 3 dewaxing oil produced by Jingmen Subsidiary of SINOPEC.
采用两段糠醛抽提工艺，对轻脱脱蜡油和减三线脱蜡油进行了糠醛再抽提试验。
Investigation of dewaxing multiplex AIDS was finished using the fraction of the second vacuum side-streams of Fushun Refinery No. 2 as feedstocks in this experiment.
以抚顺石油二厂减二线馏分油为原料进行了加入脱蜡复合助滤剂的实验室试验研究。
The process of low-temperature dewaxing can greatly decrease the temperature of dewaxing, so it has obviously effects in energy saving and reducing costs of production.
采用低温排蜡工艺，大大降低了排蜡温度，在节约能源，降低生产成本方面有显著效果。
In order to produce n pentane desorbing agent for molecular sieve dewaxing unit, the refining tests for reformed n pentane oil were carried out by using complexing agents.
为了生产用于分子筛脱蜡装置的正戊烷脱附剂，利用络合化学试剂对切割分离后的重整正戊烷油进行了脱烯烃精制实验。
In order to produce n pentane desorbing agent for molecular sieve dewaxing unit, the refining tests for reformed n pentane oil were carried out by using complexing agents.
为了生产用于分子筛脱蜡装置的正戊烷脱附剂，利用络合化学试剂对切割分离后的重整正戊烷油进行了脱烯烃精制实验。
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