It is possible that the filter-aids could be made from low grade diatomite and perlite;
认为低品位硅藻土和珍珠岩经过适当加工是可以制成合格助滤剂的；
Results show that sodium dodecyl benzene sulfonate is more suitable to be as filter-aids during the filtration of iron concentrate.
结果表明，十二烷基苯硫酸钠是铁精矿过滤中适宜的助滤剂。
The influence of many kinds of filter aids , temperature and filter method on dewatering of copper-smelting dust leaching pulp are systemically studied.
系统考查了多种助滤剂、温度、过滤方式等对烟灰水洗料浆脱水的影响；
Three methods of filtration with diatomite filter AIDS were introduced, and the types and characteristics of filters with diatomite filter AIDS were also summarized.
介绍了应用硅藻土助滤剂过滤操作的三种方式以及硅藻土过滤机的类型及特点和硅藻土的过滤性能。
The preferred filter box 22 permits positioning of the air filter 18 therein and AIDS in the proper alignment of the air filter 18 within the housing 12 in the airflow path.
优选的过滤器盒22允许空气过滤器18在其内定位，并且有利于空气过滤器18在气流通路内的外壳12内的合适排列。
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。
Through selecting filter aids, ascertain optimum formula of filter aids and technological process. A cheap effcient and easy to operate regeneration method is obtained.
通过筛选助滤剂，确定最佳助滤剂配方和最佳工艺条件，获得成本低、效果好的再生方法，且操作简便。
Commercial tests for the imported filter aids ECA7433 and SDA1615 were carried out in heavy lube oil benzol-ketone dewaxing unit in the refinery of Maoming Petrochemical Company.
在茂名石化公司炼油厂重质（?） 苯脱腊装置上对进口ECA7433和SDA1615两种助滤剂进行了工业试验。
Commercial tests for the imported filter aids ECA7433 and SDA1615 were carried out in heavy lube oil benzol-ketone dewaxing unit in the refinery of Maoming Petrochemical Company.
在茂名石化公司炼油厂重质（?） 苯脱腊装置上对进口ECA7433和SDA1615两种助滤剂进行了工业试验。
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