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تصفیه خانه فاضلاب چیست ؟(What is a wastewater treatment plant?)

مراحل تصفیه فاضلاب(Sewage treatment steps))Dirt stuck آشغالگیر()Grainyدانه گیر (متعادل ساز(Balancing)چربی گیری(Liposuction))Initial sedimentationته نشینی اولیه ()Aerationهوا دهی ()Secondary sedimentationته نشینی ثانویه ()Disinfection گند زدایی (

تصفیه خانه فاضلاب چیست و چه عملی را انجام می دهد ؟

تصفیه خانه ی فاضلاب همانطور که از نامش پیداست ؛ به جایی اطلاق میشود که در آن مجموعه فعالیت هایی که برای زدودن و از بین بردن مواد آلاینده و اضافی و ناخالصی ها از آب فاضلاب و به دست آوردن آب تصفیه شده به کار میرود تصفیه فاضلاب گفته می شود که این اعمال زدودن مواد شیمیایی و آلاینده ها و ناخالصی ها از آب در مکان هایی صورت میگیرد که به آن ها تصفیه خانه گفته می شود . روش های مختلفی برای تصفیه آب فاضلاب وجود دارد

در زیر مقاله ای درباره ی تصفیه خانه ی فاضلاب به زبان انگلیسی آورده شده است :

 

What is a wastewater treatment plant?

The sewage collection area is collected through sewage collection networks to clean up and remove contaminants. Sewage treatment processes include physical, biological and chemical processes. Today, due to the shortage of available drinking water in the world, the importance of wastewater treatment plants has been taken into account more than ever. Today in the world, the refinery is considered as an important pillar of civil progress.  Sewage treatment steps:Sewage treatment is divided into pretreatment, primary purification and secondary purification.

 

 .۱Dirt stuck: 

The first unit of operation, which is commonly used in sewage treatment plants, is a lumber unit.  The rubbish is a device that usually has a pore size and is used to separate the solids in the wastewater flow into the wastewater treatment plant.

 .1Dirt stuck: 
.1Dirt stuck:

۲Grainy:

Bulking ponds prevent the entry of granular materials such as sand, gravel, ash and solids. Removal of seed from sewage may be carried out in granular ponds or by centrifugal separators

.          .۳Balancing:  In order to generate a normal flow without sudden changes, a balanced basin is used. .۴Liposuction:  This unit is used to remove the oil and fat particles in the sewage.

     .۵Initial sedimentation:  The unit is separated by suspended solids using gravity. The time is between 45 minutes and 2 hours. Deposition is used to remove particles larger than 10 micro meter.  .۶Aeration:  In sewage treatment plants, aeration is used to transport air to sewage.
Two main methods of aeration:1. Incorporating pure air or pure oxygen into sewage using submerged air vents. 2. Create mechanical turbulence of the sewage in such a way as to increase the air-to-air dissolution.   .۷Secondary sedimentation:

2Grainy:
2Grainy:

 In the secondary sedimentation, the goal of the removal of biological clots has been produced.In the active sludge process, secondary sedimentation is used to separate sludge from water and some sludge returns to the aeration pond to provide the nutrients needed to grow microorganisms and their activity to remove organic matter.

  .۸Disinfection:  Disinfection is a unit commonly used in the final treatment of sewage treatment.
Disinfection has various physical and chemical properties, including chemical disinfectants, chlorine and ozone. Chlorine is the most commonly used substance for disinfection because of its low cost, But the residual chlorine in water may cause illness. For this reason, experts have been looking for alternatives to Chlorine. One of these is the UV lamp, which is considered a physical disguise.

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