滤饼

用硫酸调节硫精矿矿浆的pH值可以降低其滤饼水份。

Regulating the pH value of the sulfur concentrate pulp with sulfuric acid can reduce the filter cake moisture .

普通滤饼存在时，水泥浆和MTC均不能得到令人满意的胶结性能；

With common filter cake both cinder MTC slurry and well cement slurry can 't produce the satisfactory cementing performance ;

高TMP会导致较快的膜渗透通量下降速率，并且形成更加密实的滤饼层。

Higher TMP results more rapid flux decline rate and form a more compact cake layer .

过滤完成后对滤饼进行脱水干燥，获得含湿率符合要求的PTA颗粒。

After the filtration , the filter cake is dewatered to obtain PTA cake with satisfied water content .

结果表明：陶瓷过滤机生产能力达500～2000kg/m2·h，滤饼水分小于10%。

Result shows the capacity of ceramic filter is up to 500 ~ 2 000 kg / m 2 · h and the moisture in cake is less than 10 % .

研究了稀土离子与NaY分子筛滤饼柱的交换过程。

The exchange process of NaY zeolite with rare earth ion through a zeolite cake column was studied .

进而测定了Gore膜过滤磷酸时的截留率、过滤常数、滤饼的压缩性指数、过滤阻力等性能，并与传统使用的滤布进行了对比。

Then Gore membrane 's interception rate , filtration constant , condensation exponent of filtration cake , filtration resistance , etc.

结果表明，表面活性剂有良好的EPS提取效果，能显著降低过滤后污泥滤饼含水率和结合水含量，其中CTAB效果优于SDS。

Experimental result showed that surfactants could extract EPS of sludge , reduce water content of sludge cake . CTAB has a better effect than SDS .

向膜生物反应器（MBR）中投加颗粒活性炭（GAC）以干扰膜面滤饼层的形成，减轻膜污染与膜堵塞。

GAC was added into MBR to interfere the formation of cake layer on membrane surface , and to lighten membrane fouling and clogging .

CTAB投加量为15%TS时可将滤饼含水率降低约10%，又能改善污泥沉降性能和过滤性能。

Water content of sludge cake after filtering was decreased 10 % when the CTAB dosage was 15 % TS. sedimentation and filtration performances were also improved .

采用BP神经网络原理，对精煤压滤过程数据进行处理，建立了基于人工神经网络的精煤滤饼水分预测模型。

The principle of BP neural networks was used to process the data of float coal filter pressing , so as to establish a prediction model of float coal filter pressing product moisture on the basis of neural networks .

实验结果表明，没有滤饼存在时，油井水泥浆的胶结性能明显优于矿渣MTC；

The testing results show without filter cake the cementing performance of well cement slurry is obviously better than that of cinder MTC slurry ;

当矾花表面的Zeta电位与膜表面的电位相同时，滤饼层阻力较低，相异时，滤饼层阻力较大。

When Zeta potential of flocs was the same as that of membrane surface , the cake resistance was decreased , when they were different , cake resistance was increased .

本次研究过程利用管袋式过滤的方法对PTA母液进行回收处理，母液中的PTA颗粒截留在管袋外表面形成滤饼。

Utilizing the tubular bag filtration to deal with the PTA mother liquor , the PTA particles are trapped on the outer surface of the bag to form a cake to be recovered .

通过几种不同的膜清洗方式对PVA微滤膜进行清洗，结果表明：单独采用机械刮膜对膜的清洗仅限于膜表面的滤饼层，三个周期后膜通量减小了9%。

Cleaning PVA microspheres membrane in several different ways has showed that : Only use mechanical scraping membrane to clean the Cake layer on surface of membrane , And membrane flux decreased by9 % after three cycles .

由微米与亚微米微粒组成的物料，其滤饼过滤的过滤介质的毛细孔径均比较小，因而过滤介质的阻力Rm均较大；

For the suspension consisted of micron and submicron particles , the filter media pore diameter of the cake filtration is relatively little , so the resistance Rm of filter media is large .

作用机理是KF－102可使滤饼比阻降低，减弱了水化膜的影响，进而降低了滤饼的水分。

Its mechanism lies in that it can reduce the specific resistance of the filter cake and weaken the effect of water film so as to reduce the cake moisture .

随着SRT的增加，受细胞衰老死亡以及滤饼层拦截的作用，上清液中大分子量物质发生累积。

As the increase of SRT , the high molecular weight substances in the supernatant increased for the interception by the cake layer and the accumulation of old and dead cell .

研究结果表明：（1）原水pH值对超滤膜透水通量的影响为：低pH条件下，过滤初期以滤饼堵塞为主，污染较严重，导致膜透水通量急剧衰减；

The results showed that : ( 1 ) The influence of original water pH value to ultra film flux : Under the low pH condition , the primary pollution in the initial period of filtration is cake , rapidly has the pollution , causes the sharply decline of flux ;

为此，系统地比较了矿渣MTC水泥浆与油井水泥浆在没有滤饼、普通钻井液滤饼、多功能钻井液滤饼3种情况下的界面胶结性能。

Here the interface cementing performance of cinder MTC slurry and well cement slurry is compared under 3 states of no filter cake , common mud filter cake and multi-function mud filter cake .

室内采用动态方法研究了PRD钻开液与在岩心端面上的滤饼形成时间及该滤饼耐各完井工作液的冲刷性；

A dynamic method is used to study PRD drill-in fluid and the formation time of filter cake on the core and flushing resistance of the filter cake to completion fluids .

用H2O2从除铁浸出液中沉淀铀，用MgO浆体调节铀沉淀过程的pH值至3.5，沉铀尾液可用于洗涤浸出尾渣的滤饼。

H2O2 is then used to precipitate uranium in the leach liquor free of iron , and the pH of process for uranium precipitation adjusted by adding MgO slurry to 3 . 5 . The barren solution can be used to wash the filter cakes of leach tailing .

同时，根据Darcy渗流理论，推导出内外滤饼相互关系模型，从而提出了通过形成良好的内滤饼来控制外滤饼质量的观点。

And based on Darcy 's law , a model showing the interrelation between internal and external mud cakes is set up , thus putting forward a viewpoint of controlling external mud cake quality by forming good internal mud cake .

NFA-25能与水、土乳化、结合，形成可压缩性滤饼，起到封堵、防塌、降低高温高压滤失量的作用。

NFA-25 provides sealing , collapse prevention and filtration reduction at HTHP condition by emulsifying water and clay to form compressive filter cake .

介绍了测定PVC浆料中残留VCM含量的方法，并对浆液测定法、滤饼测定法、仿国际法进行了理论分析，确定了最佳测定方法&滤饼测定法。

Methods for the measurement of residue VCM content in PVC slurry were introduced . Based on the theoretical analysis of slurry measurement method , filter cake measurement method and imitation of National Standard , the optimum measurement method , ie filter cake measurement method , was determined .

本文介绍了一种生产效率高、可靠性高、滤饼水分低及计算机自动控制的新型KX系列快速压滤机的开发与应用。

This text introduces the development and application on a new type of KX series of quick pressure filter which has high productive efficiency , high reliability , low misture of filter cake and computer automatic control .

结果表明，气压过滤条件下，虽然过滤压差较大，但成饼阶段仍遵循Darcy定律；气压过滤的滤饼结构为一分段Sierpinski分形，其分维数值介于1.775～1.885之间。

Results showed that Darcy 's Law is also followed in the filter formation stage of air pressure filtration , and that the filter cake constructure is a sort of Sierpinski fractal , the fractal dimensions of different filter cake are within 1.775 ~ 1.885 .

结果表明，投加约为干污泥质量10%的CSG-1可使滤饼的含水率降至78%左右，此时污泥的沉降效果较好，污泥毛细吸水时间（CST）也较短（约为62s）；

Experimental results indicate that the water content in the remaining sludge cake after filtration is decreased to 78 % by adding 10 % of CSG-1 , this addition results in effective sludge sedimentation , the CST is also reduced to 62 s.

与CSG-1相比，CSG-2虽可使滤饼含水率降至约74%，但其对污泥过滤性能和沉降效果的改善均较差。

Compared with the CSG-1 , the water content in remaining sludge cake after filtration is decreased to 74 % by the CSG-2 , but the velocities of filtration and settlement are slower correspondingly .

在钻井液中加入0.3%弹性石墨后，在150℃高温条件下老化16h后，可以将钻井液的润滑系数降低30.4%，滤饼粘滞系数降低30.1%。

And the lubricating factor of drilling fluid will be decreased by 30.4 % and the coefficient of viscosity of filter cake by 30.1 % , after adding 0.3 percent of elastic graphite to the drilling fluid and ageing the drilling fluid at high temperature 150 ℃ for 16 hours .