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界面沉降
相关语句
  “界面沉降”译为未确定词的双语例句
     Study on factors affecting the initial setting velocity of suspension interface
     悬浮液界面沉降初速影响因素的研究
短句来源
  相似匹配句对
     Study on factors affecting the initial setting velocity of suspension interface
     悬浮液界面沉降初速影响因素的研究
短句来源
     INTERFACE FRACTURE
     界面断裂
短句来源
     the settling stability should be good;
     水泥浆的沉降稳定性;
短句来源
     process of sedimentation and separation of phosphate.
     沉淀物的沉降、分离。
短句来源
     ON THE INTERFACE MISFIT AND THE SUPERLATTICE STRUCTURES
     界面失配和超晶格结构
短句来源
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Factosrs having influence on the initial settling velicity of suspension interface,such as initial concentration,solid paricle size,agents and their molal weight and dosage,as well as pH value of the medium,are researched.The result has practical values for improving thickening effeciency and technical index.

悬浮液的初始浓度、物料粘度、絮凝剂或凝聚剂的种类及用量、介质pH值等是影响悬浮液界面沉降初速的主要因素.研究结果对改善浓缩分离效果具有指导意义.

The chemical conditioning of water treatment plant sludge using polymer flocculants,surfactants,lime,acids and bases was investigated by measuring the sludge's Zeta potential,sedimentation properties and specific resistance to filtration(SRF).Results showed that organic polymer flocculants were much better than inorganic ones on sludge conditioning,and the larger the molecular weight of the flocculants,the more effective the flocculants.It was found that cationic surfactant CTAC had positive effects while anionic...

The chemical conditioning of water treatment plant sludge using polymer flocculants,surfactants,lime,acids and bases was investigated by measuring the sludge's Zeta potential,sedimentation properties and specific resistance to filtration(SRF).Results showed that organic polymer flocculants were much better than inorganic ones on sludge conditioning,and the larger the molecular weight of the flocculants,the more effective the flocculants.It was found that cationic surfactant CTAC had positive effects while anionic surfactant SDS had negative effects on the sludge conditioning.The addition of lime efficiently reduced the sludge's SRF but did not significantly improve the sludge's sedimentation.The settlement and dewatering of the sludge were enhanced with the decrease of the pH value.

通过测量Zeta电位、界面沉降性能及比阻,对应用高分子絮凝剂、表面活性剂、石灰、酸和碱进行水厂排泥水的化学调质处理效果进行了研究.结果表明:有机高分子絮凝剂对污泥的调质效果明显优于无机絮凝剂,且调质效果随絮凝剂相对分子质量的增大而加强;阳离子型表面活性剂十六烷基三甲基氯化铵(CTAC)调质对污泥处理有促进作用而阴离子型表面活性剂十二烷基硫酸钠(SDS)却有负面影响;投加石灰能有效地降低污泥比阻(SRF),但对污泥沉淀无明显改善且增加了泥饼干重;污泥的沉淀和脱水性能随pH值的降低而改善.

The conventional jar test and the monitoring technique of floc size in line were employed to investigate the breakage and regrowth of the flocs formed by PACl.It was found that the breakage and regrowth of flocs varied with coagulation zones.The flocs formed in stabilization zone were of high strength and difficult to break,and could regrow better after broken,with the recovery factor of up to 259%.The flocs formed in charge neutralization zone were of the lowest strength and prone to break,but could reform...

The conventional jar test and the monitoring technique of floc size in line were employed to investigate the breakage and regrowth of the flocs formed by PACl.It was found that the breakage and regrowth of flocs varied with coagulation zones.The flocs formed in stabilization zone were of high strength and difficult to break,and could regrow better after broken,with the recovery factor of up to 259%.The flocs formed in charge neutralization zone were of the lowest strength and prone to break,but could reform completely after broken.The flocs formed in restabilization and sweep coagulation zones were also of high strength and difficult to break,but significantly irreversible after broken.The recovery factor of the broken flocs in sweep coagulation zone was only 18.6%.The effects of remixing on the breakage and regrowth of flocs increased with remixing intensity.In sweep coagulation zone,the settling height and mean settling velocity of the interface between flocs blanket and water were lower for the broken and partly reforming flocs than for those unbroken;Moreover,in flocculation settling and zone settling zones,the instantaneous settling velocity of the interface at the same flocs concentration was also lower for the broken flocs than for those unbroken,but in compression settling zone,the instantaneous settling velocity was the same whether the flocs were broken or not.

通过烧杯实验以及在线粒度监测考察了聚合氯化铝(PACl)混凝所生成絮体的破碎以及随后絮体的恢复情况.结果发现,絮体的破碎以及恢复情况因混凝区域的不同而呈现不同的规律.在稳定区,絮体的强度较大,不易破碎,且破碎后的絮体可进一步增长,其恢复因子高达259%;在电中和混凝区,絮体的强度最小,易于破碎,但破碎后可完全恢复;在再稳区和卷扫混凝区,絮体的强度较大,不易破碎,但破碎后不能完全恢复,其中后者的恢复因子仅为18.6%.再搅拌强度越大,对絮体的破碎及恢复程度的影响越大.对于卷扫混凝,经再搅拌破碎后而得到部分恢复的絮体,相对于未经再搅拌的絮体而言,其絮体层与水体间界面的沉降高度及平均沉降速率均较低,且在絮凝沉降区和区域沉降区,该絮体界面的瞬时沉降速率在同一絮体浓度下均较低,但在压缩沉降区,二者的瞬时沉降速率相同.

 
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