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Beijing Qinrunze Environmental Protection Technology Co., Ltd. News

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
Can't the RO membrane be cleaned thoroughly? You may be missing this' chelation 'secret

EDTA2Na and EDTA4Na, their core skill is "chelation". In human terms, it can firmly clamp metal ions such as calcium, magnesium, iron, and aluminum in water like crab claws, removing them from the membrane surface and turning them into something soluble in water to wash away. This thing is not cheap...

September 27, 2025
Title: Understanding DTRO Wastewater Treatment Equipment: An Advanced Solution for Modern Water Purification

In the face of growing environmental concerns and increasing water scarcity, efficient wastewater treatment has become a global priority. Among the advanced technologies developed to address this challenge, DTRO (Disc Tube Reverse Osmosis) wastewater treatment equipment has emerged as a highly ...

September 26, 2025
Innovations in Decentralized Wastewater Treatment Equipment: Advancing Sustainable Solutions for Modern Challenges

As urbanization accelerates and environmental regulations tighten, the demand for efficient, compact, and versatile wastewater treatment solutions has never been greater. Traditional centralized systems, while once the cornerstone of urban sanitation, often struggle with high infrastructure costs, ...

September 25, 2025
```[Insight] Strategies and System Solutions for Improving Poor Sludge Settling Performance```

In wastewater treatment processes, the activated sludge method is widely used due to its high efficiency and cost-effectiveness. The settling performance of activated sludge directly determines the solid-liquid separation efficiency of secondary sedimentation tanks, thereby affecting the stability ...

September 24, 2025
Low load operation of activated sludge: looking 'stable', but actually hiding a bunch of troubles

Friends in the field of dry sewage treatment may have encountered situations where the activated sludge load is low. Sometimes I feel that even at a low load point, it doesn't seem like much, the water output looks quite clear, and it seems to be easy to operate. But in reality, this matter is like ...

September 23, 2025

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