It can reduce cement slurry filtration, provide a channeling-preventing effect and mitigate corrosion of formation fluids on cement ring.
另一方面使水泥浆具有防窜性，减轻了地层流体对水泥环的侵蚀。
The silica slurry filtration, washing, get silica and ammonium fluoride solution, ointment, ointment of silica was washed, dried silica products;
将白炭黑料浆过滤、洗涤，得到白炭黑软膏和氟化铵溶液，白炭黑软膏经洗涤、干燥得到白炭黑产品；
Regressing and fitting the experimental datum, the aim is to establish an empirical mathematical model for filtration rate of phosphoric acid slurry.
对实验数据进行回归拟合，建立了磷酸料浆过滤速度的经验数学模型。
The filtration mechanism of PVA17-88 crosslinked is that the formation of a fine film between filtrate medium and cake can prevent loss of water in slurry into formation.
加入交联剂的PVA17- 88降失水剂的降滤失机理是：在过滤介质与滤饼之间形成一层致密的薄膜，阻止了水泥浆中的水向地层流失。
The suitable surface active agent was added to decrease the liquor surface tension of bae yer red mud slurry so as to achieve the aim of decreasing mud moisture content after the filtration.
主要针对赤泥过滤时，添加适宜的表面活性剂，使拜耳赤泥料浆中的液体表面张力下降，从而达到降低过滤后拜耳赤泥浆含水率的目的。
The slurry of precipitated silica is treated by acidification, filtration, washing, drying and comminuting, the finished product is finally obtained.
所得固体悬浮液经酸化、过滤、洗涤、干燥和粉碎得到白炭黑产品。
A filter aid is synthesized by improving the traditional filter aid which is used in filtration separation of the phosphoric acid slurry.
合成出一种助滤剂，对传统磷酸料浆过滤分离助滤剂进行了改性。
Based on the mixed filtration of phosphoric acid slurry in the conventional manufacturing of wet-process phosphoric acid, a new stratified filtration process was advanced in this article.
本文在传统的湿法磷酸生产中磷酸料浆混合过滤的基础上，提出了分层过滤的新工艺。
The suitable surface active agent was added to decrease the liquor surface tension of Baeyer red mud slurry so as to achieve the aim of decreasing mud moisture content after the filtration.
主要针对赤泥过滤时，添加适宜的表面活性剂，使拜耳赤泥料浆中的液体表面张力下降，从而达到降低过滤后拜耳赤泥浆含水率的目的。
Catalytic cracking oil slurry after filtration separation can be used to manufacture carbon black, needle coke, carbon fibrous material, plasticizer and so on.
过滤后的油浆可作为炭黑针状焦、碳素纤维材料、增塑剂等产品的原料，最后对催化裂化油浆过滤技术进行了展望。
The slurry quickly layered technology developed by Sichuan University, is also applied to improve the filtration capacity.
使用四川大学开发的快速分层技术，增加过滤能力。
The properties of this slurry with conventional density, such as filtration, thickening, rheology and strength, were evaluated in laboratory.
对常规密度抗盐水泥浆的失水、稠化、流变、强度等性能进行了室内评价。
This cement slurry provides good properties such as low density, low filtration, gas channeling prevention and stable compressive strength at high temperature.
超细防气窜水泥浆体系具有防气窜、低密度、低失水、抗水泥石高温强度退化等优点，适用于超深油气井注水泥作业。
Study on filtration of phosphoric acid slurry by addition of the filter aid;
着重研究了磷铵料浆中所含杂质对酸性料浆粘度的影响。
Study on filtration of phosphoric acid slurry by addition of the filter aid;
着重研究了磷铵料浆中所含杂质对酸性料浆粘度的影响。
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