Our Services

Construction Wastewater Treatment Tank Effectively

What is wastewater treatment tank?

Wastewater is a major problem affecting our living environment if it is not properly treated. Wastewater from manufacturing facilities, industrial parks, and residential areas should be thoroughly treated before being discharged into the environment to avoid polluting water and soil sources. The most effective and popular solution today is to build wastewater treatment tanks to remove toxic substances and clean water sources before discharging into the environment. This article will guide in detail the safe and effective process of wastewater treatment tank construction.
thi công bể xử lý nước thải hiệu quả

Construction process of wastewater treatment tank

Research and project development

Before starting construction, it is necessary to conduct a thorough survey to assess the volume of wastewater to be treated, wastewater composition, site terrain and other environmental factors. Based on that, engineers will make detailed projects on scale, treatment technology, construction materials and other specifications to ensure effective operation of the system.
The survey and preparation of the project plays a decisive role in the investment cost as well as the operation efficiency of the wastewater treatment tank. So, this is a step that cannot be ignored.

Leveling and foundation construction

After completing the project, the next stage is to prepare the ground for construction. Leveling, compaction and foundation preparation are important works to ensure a solid foundation, avoid subsidence, sinking, even collapse during construction and operation later.
Depending on the terrain and geology, the engineer will choose the appropriate foundation plan. For weak soils, it may be necessary to dig to the hard soil and pour the rock foundation or reinforce the foundation with modern measures such as cement piles, bored piles,… This process requires high professionalism to ensure long-term safety and effectiveness.

Construction of treatment tanks and auxiliary works

The next important stage is the construction of treatment tanks and auxiliary works such as air conditioning tanks, sedimentation tanks, sludge treatment zones, sewage piping systems, air filtration areas, ventilation systems, etc…
The process of building a treatment tank usually involves the following steps:
  • Installation of cement formwork and plastered mortar formwork
  • Digging foundation pit, pouring concrete foundation
  • Reinforcing tank frame construction
  • Brick construction, plastering finished tank body
  • Installation of piping systems, valves, electromechanical services for the tank
  • Construction of auxiliary works according to design
This is an extremely important stage, directly affecting the features and service life of the entire wastewater treatment system. Therefore, it is necessary to strictly comply with the design and application of labor safety and environmental hygiene standards during the construction process.

Installation of wastewater treatment system

When the works on the lake, the tank has been completed, it is time to install the wastewater treatment system with machinery and treatment equipment. This is a stage that requires high expertise, with the participation of engineers, skilled technical workers.
lắp đặt bể xử lý nước thải

Some popular wastewater treatment systems today:

  • Chemical treatment systems: use of chemical and physical reactions to remove harmful substances from wastewater
  • Biological treatment system: applying the method of using microorganisms to decompose pollutants
  • Filtration system: passing wastewater through filter materials such as activated carbon, sand, mud to remove suspended residue and part of toxic substances
  • Disinfection systems: use UV light, ozone gas or special chemicals to kill bacteria and viruses present in wastewater
Based on wastewater characteristics and output quality requirements, engineers will select and combine appropriate technologies for efficient, cost-effective and environmentally friendly treatment.

Inspection, commissioning and finishing

After the installation of all machinery systems, conduct a test run of the overall wastewater treatment system. This stage is very important, helping to detect and overcome errors, unsatisfactory operating parameters to ensure the system operates stably, safely and with high performance before going into official operation.
Some common problems that are fixed:
  • Water leakage at pipe joints
  • The phenomenon of pipeline blockage
  • It is necessary to adjust parameters during operation such as oxygen flow, water retention time, chemical ratio, etc…
  • Non-synchronous electrical system
After fixing the problems, the system will be tested and monitored for a while to evaluate the effectiveness. If all indicators are good, the authorities will evaluate and license the official operation.

Wastewater treatment tank maintenance usually includes:

  • Replacement, maintenance of machinery and equipment periodically
  • Dredging, mud sanitation, waste accumulated in the tank
  • Addition of processing chemicals and auxiliary substances
  • Check, repair damage such as leaks, blockages
  • Inlet and outlet wastewater quality monitoring
In addition, timely monitoring and troubleshooting measures should be taken to ensure the safety of workers and prevent the discharge of pollution into the environment.


Construction of wastewater treatment tank is a complex project and requires high professionalism at every stage of work from survey, design, construction to operation and maintenance. To ensure sustainable quality and efficiency, it is necessary to comply with strict procedures, apply safety standards and invite the participation of experienced experts, good construction capacity. With reasonable investment and operation costs, wastewater treatment tanks will protect the environment in the long run.

Scroll to Top