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Trang Chủ > Blog > Secondary Wastewater Treatment

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January 19th, 2026

The difference between tubular aerators and disc aerators

This article provides a detailed comparison between tubular and disc aerators, covering their working principles, features, advantages, disadvantages, and ideal application scenarios to help you choose the right aeration solution for your wastewater treatment needs.

January 14th, 2026

Low Dissolved Oxygen (DO) in Biological Tanks Despite Aeration Bubbles: Root Causes and Solutions

Discover why biological tanks have low dissolved oxygen (DO) despite visible aeration bubbles. Learn key causes (sludge loading, aeration equipment, water quality) and targeted solutions to restore stable DO levels for efficient wastewater treatment.

December 10th, 2025

What Treatment Is Given to the Wastewater?

Learn about secondary wastewater treatment processes, including biological treatment and aeration systems. HINKTON Environmental Technology provides advanced aeration equipment and complete secondary treatment solutions for municipal and industrial wastewater facilities.

December 6th, 2025

Xử lý nước thải thứ cấp là gì?

Xử lý nước thải thứ cấp là một giai đoạn quan trọng trong quy trình xử lý nước thải, được thiết kế để loại bỏ các chất hữu cơ hòa tan và lơ lửng mà quá trình xử lý sơ cấp không thể loại bỏ. Giai đoạn này đóng vai trò then chốt trong các hệ thống xử lý nước thải công nghiệp, các nhà máy xử lý nước thải đô thị và các dự án xử lý phân tán trên toàn thế giới.

December 1st, 2025

Types of Aerators for Wastewater Treatment

Aeration is a key process in modern wastewater treatment. By delivering oxygen into the wastewater, aerators support microbial activity, enhance organic degradation, and improve overall system efficiency. Today, several types of aerators are commonly used depending on the treatment design, energy requirements, and water depth.

November 26th, 2025

Types of Wastewater Treatment Systems

Choosing the right wastewater treatment system is essential for improving water quality, reducing pollution, and keeping treatment plants running efficiently. Different types of systems are used in municipal and industrial projects, and each one offers unique advantages. Below is a clear and simple overview of the most common wastewater treatment systems used today.

November 24th, 2025

What Is Water Aeration?

Water aeration is the process of introducing air into water to increase its dissolved oxygen (DO) levels. In wastewater treatment, aeration is one of the most important steps because microorganisms require oxygen to break down organic pollutants. Without sufficient oxygen, wastewater treatment efficiency drops, odors increase, and sludge becomes difficult to manage.

September 27th, 2025

Types of Wastewater Treatment

Wastewater treatment is a fundamental process to protect the environment and public health. Depending on the level of pollution and the final purpose of the treated water, treatment systems are divided into three main stages: primary, secondary, and tertiary treatment.