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Beijing Qinrunze Environmental Protection Technology Co., Ltd. News

Industrial Wastewater Treatment Equipment: Technology, Applications, and Sustainability

Industrial wastewater treatment equipment encompasses a range of specialized systems designed to purify wastewater generated by manufacturing, chemical processing, food production, and other industrial activities. These technologies address the unique challenges of industrial effluents, which often ...

November 27, 2025
【Practical Guide】How to Cultivate a Short-Cut Nitrification System

Short-cut nitrification, as one of the core processes for efficient nitrogen removal in wastewater treatment, operates on the principle of selectively enriching ammonia-oxidizing bacteria (AOB) while inhibiting the activity of nitrite-oxidizing bacteria (NOB) through controlled environmental ...

November 24, 2025
DTRO Reverse Osmosis Wastewater Treatment Equipment: A Comprehensive Overview

1. IntroductionDouble-pass Tubular Reverse Osmosis (DTRO) is an advanced membrane separation technology designed for high-efficiency wastewater treatment, particularly for challenging feedwaters with high salinity, organic content, or suspended solids. Unlike conventional RO systems, DTRO features a ...

November 21, 2025
```[Insight] Autotrophic Microorganisms in Activated Sludge```

In the aeration tank of a wastewater treatment plant lies a bustling "microscopic food city." Here, there are no Michelin-starred chefs, no food delivery couriers, and even ready-made "boxed meals" are scarce. The autotrophic microorganisms in the activated sludge are the most unconventional "diners...

November 18, 2025
Two-Stage DTRO Process: An Efficient Solution for Landfill Leachate Treatment

Landfill leachate, a highly complex wastewater generated from municipal solid waste landfills, poses significant challenges due to its high concentrations of organic pollutants (BOD₅, COD), heavy metals, and ammonia nitrogen, coupled with unstable water quality and quantity. In response to these ...

November 17, 2025
Reverse Osmosis Scale Inhibitor and Circulating Water Scale Inhibitor

1. The circulating water scale inhibitor is a composite product made from organic phosphonates, multicomponent copolymers, and corrosion inhibitors, featuring excellent chemical stability and thermal stability with low hydrolysis tendency. This product exhibits outstanding corrosion inhibition, ...

November 14, 2025
Let's Talk About the Tornado Air Flotation Aerators: Their Principles and Structures Aren't That Complex After All

If you have stayed in a sewage plant or some place that treats industrial wastewater, you are likely to have seen a vortex concave air flotation aerator. This thing may seem unremarkable, but it is a skilled hand in separating impurities in sewage treatment. Many people get confused when they hear ...

November 11, 2025
Is a sedimentation tank really necessary for the hydrolysis and acidification tank? A detailed guide to clarify the intricacies

For those in the wastewater treatment field, there's a common question many have pondered: Should a sedimentation tank be installed after the hydrolysis and acidification tank? Some argue it's redundant and simply a waste of money, while others insist it's necessary—without it, the subsequent ...

November 7, 2025
【Practical Guide】How to Control ORP in Biochemical Systems?

For friends who work in water treatment or biochemical reactions, when it comes to ORP (oxidation-reduction potential), they may feel overwhelmed - this thing is invisible and intangible, with values jumping back and forth. Sometimes, even though the indicators seem to be correct, when ORP collapses...

November 5, 2025
Title: Advanced Membrane Technologies for Water Purification: RO, MBR, UF, and NF Systems

AbstractMembrane-based separation processes have revolutionized water treatment by offering efficient, modular, and eco-friendly solutions for desalination, wastewater reuse, and drinking water production. This article reviews four key membrane technologies—Reverse Osmosis (RO), Membrane Bioreactor ...

November 4, 2025
Two-Stage DTRO Technology: Revolutionizing Wastewater Treatment Efficiency and Sustainability

AbstractDisc tube reverse osmosis (DTRO) has emerged as a cutting-edge membrane separation technology, particularly in high-concentration wastewater treatment scenarios. This article focuses on the two-stage DTRO system, analyzing its structural advantages, operational mechanisms, and application ...

November 3, 2025
【Key Insights】Analysis of the Differences Between Autotrophic and Heterotrophic Microorganisms in Activated Sludge Systems

In the activated sludge system of wastewater treatment, microorganisms serve as the core "executors" for pollutant purification. Depending on their energy acquisition methods and carbon source utilization forms, these microorganisms can be broadly classified into two categories: autotrophic and ...

October 31, 2025
**Revolutionizing Wastewater Treatment: High-Efficiency Two-Stage DTRO System for Industrial & Municipal Applications** In an era where water scarcity and environmental regulations demand cutting-edge solutions, **two-stage DTRO (Disk Tube Reverse Osmosis)** technology emerges as a game-changer in wastewater treatment. Engineered to tackle high-salinity, high-organic-content wastewater with unmatched efficiency, our DTRO systems deliver superior water purification, operational reliability, and

In an era where water scarcity and environmental regulations demand cutting-edge solutions, two-stage DTRO (Disk Tube Reverse Osmosis) technology emerges as a game-changer in wastewater treatment. Engineered to tackle high-salinity, high-organic-content wastewater with unmatched efficiency, our DTRO ...

October 23, 2025
Title: Advanced Sewage Treatment Equipment: Innovations, Processes, and Sustainable Solutions

Abstract Sewage treatment equipment plays a crucial role in environmental protection and sustainable water resource management. With the increasing pressure of urbanization and industrialization, the demand for efficient, durable, and intelligent wastewater treatment systems has never been greater. ...

October 16, 2025
Title: Our Planet, Our Responsibility: The Urgent Need for Environmental Protection

In the 21st century, humanity stands at a critical crossroads. While technological advancements and economic growth have improved living standards, they have also come at a steep cost to our environment. Climate change, deforestation, air and water pollution, and the loss of biodiversity are no ...

October 11, 2025
Failures caused by design defects and improper operation and maintenance of the equipment

There are numerous issues with reverse osmosis systems, some of which stem from inherent design flaws, while others arise from operational and maintenance deviations during daily use, leading to significant operational risks. It is specifically manifested in: 1. During the initial design phase, the ...

October 9, 2025

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