初沉池

本研究考察了重金属在活性污泥工艺各个构筑物的迁移情况，研究发现，经过初沉池后，B，Zn约20-30%被去除，Cu则去除了50%左右；

The basic information that heavy metals migration in each construction of activated sludge process is investigated . The results revealed that after primary sedimentation tank , the influencing B and Zn are reduced by 20 percent , meanwhile a 50 % of Cu .

不设初沉池时沉砂池的选型分析

Type Selection of Grit Clarifier without Primary Sedimentation Tank

对于采用CEPT工艺的污水处理厂而言，较合理的初沉池的排泥周期宜小于8h。

As to the wastewater treatment plant in CEPT , the reasonable interval to discharge sludge is less than 8h .

从第12天开始，在超越初沉池的情况下AO池满负荷运转，且各项出水水质指标均优于设计目标。

After 12 days , AO basin operated at full loading under the condition of bypassing the primary clarifier , and all effluent indexes were better than the designed ones .

NP的迁出与去除途径包括：初沉池生污泥和二沉池活性污泥的吸附作用，曝气池内的生物降解作用以及随处理出水的排放。

The NP transference ways and removal routes from wastewater treatment system include the adsorption by the primary sedimentation sludge and the activated sludge of secondary sedimentation tank , the biodegradation in aerated tank , and the discharge with the effluent .

结合日处理污水能力4×105t的大型污水处理工程中污水初沉池和二沉池的预应力混凝土施工，通过三维混凝土有限元分析确定了池壁环向预应力钢绞线的张拉方法。

In this paper , combined with the prestressed concrete construction of the sedimentation tank in large sewage treatment plant with capacity of 400 thousand tons one day , the tension method of the ringlike unbonded strands was determined by three-dimensional concrete finite element analysis .

无粘结预应力初沉池的施工

Construction of the primary sedimentation tank of the unbounded prestressed concrete

关于城市污水处理中初沉池作用的探讨

Study on the effect of primary settling tank of urban wastewater treatment

城市污水对初沉池混凝土不均衡损伤特性研究

Nonuniform damage of primary sedimentation pool concrete by city sewage

不设初沉池时除磷脱氮系统产率系数的选择

Selection of Yield Coefficient for Biological Phosphorus and Nitrogen Removal System Without Primary Clarifier

制革污水采用预曝气处理后，可大大提高初沉池沉淀效果。

By pre aeration in tanyard wastewater , the effect of primary settling improves obviously .

其中大跨度初沉池加盖部分工程投资为733万元。

Capping for the large-span primary settling tank 7.33 million yuan among the estimated investment .

试验基地设于安亭国际汽车城污水处理厂，试验用水采用该厂初沉池出水，属于典型城市污水。

The test base was located at the wastewater treatment plant in Anting international auto town .

沸石吸附去除城市污水厂初沉池出水中氨氮的研究

The study of ammonia nitrogen removal from the effluent of primary sedimentation tank by zeolite adsorption

该系统由初沉池、组合式人工湿地、曝气池和养殖池组成。

The system consisted of primary sedimentation tanks , combined-type constructed wetlands , aeration tanks and culture tanks .

污水处理过程中，不同污泥的理化特性存在明显差异，最终处理污泥的特性主要受初沉池污泥特性的影响。

The physicochemical properties of sludge differed from sludges generated from different treatment stages of the treatment process .

真空过滤脱水用于初沉池和消化池污泥脱水；

Sludge dewatering of vacuum filtration is mainly applied to dehydrate the sludge in primary setting tank and digestion tank .

初沉池是二级污水处理厂的预处理构筑物，一级污水处理厂的主要构筑物。

The primary sedimentation tank is the pretreatment construction of secondary waste water treatment plant , and the main construction of first waste water treatment process .

介绍了制革废水处理工艺或构筑物的选择，包括调节池的选择，初沉池的选择，水解酸化池的选择等。

The choice of tannery waste water treatment technics and constructions was introduced , including adjusting pool , first deposition pool , hydrolyzation & acidification pool etc.

试验结果表明：在污水处理厂取消初沉池，及修建住宅时取消化粪池，对污水处理厂的稳定运行有益。

The experimental results indicated as well that canceling primary sedimentation tank and cesspool when building houses would avail to stable running of sewage treatment plant .

研究结果表明：（1）沸石对初沉池出水中的氨氮具有很强的选择性；

The results are as follows : ( 1 ) Zeolite has a great selective exchange ability to removal ammonia-nitrogen in the effluent of the primary sedimentation tank .

城市污泥是城市污水处理厂经各级处理净化污水而产生的沉积物，主要来自初沉池和剩余污泥的排放。

Sewage sludge which mainly comes from the primary settling tank and discharge of surplus sludge is the deposit produced in each operating unit in municipal wastewater treatment plant .

通过静态和动态沉淀模拟试验，研究初沉池的水力停留时间与初沉池沉降效应的关系，以确定比较合适的初沉池水力停留时间。

In order to probe the relation between the HRT and settling effect of the primary settling tank and to confirm the suitable HRT , both static test and dynamic test are conducted in this research .

相比初沉池，春季二沉池的苯、甲苯和二甲苯逸散速率分别下降了40.8%，46.7%和95.5%；然而，氯代烃逸散速率平均增长了13%。

Compared to primary clarifier , the volatile rates of benzene , toluene and xylene in secondary clarifier decreased 40.8 % , 46.7 % and 95.5 % . However , the average volatile rates of chlorinated hydrocarbon average increased 13 % .

文章介绍了以城市污水厂初沉池出水为对象，对文献报道的几种废水特性鉴定方法进行试验比较研究的结果，提出：批量OUR测定是一种简便易行的废水特性鉴定方法；

In this paper , the results of experimental research on different methods for city wastewater characterization are presented and compared . It is concluded that the batch OUR test is an appropriate and easy method for characterization of wastewater COD fractions ;