vr

News Get a Quote

Home -

Beijing Qinrunze Environmental Protection Technology Co., Ltd. News

Application of Ozone Synergistic Oxidation Technology in Wastewater Treatment

1. Introduction: At present, with the continuous development and progress of the social economy, the scale of social production is constantly expanding, resulting in increasingly serious water pollution. However, with the improvement and enhancement of people's living standards, the quality ...

August 31, 2024
Manual Operating Procedures for Nanofiltration and Reverse Osmosis Systems of Garbage Leachate

NF system 1、 NF startup operation 1. Low flow exhaust: Open the NF inlet electric slow opening valve, concentrated water quick flushing valve, and fresh water unqualified discharge valve (this valve can be ignored in NF automatic state), then start the NF feed pump and exhaust at low flow for 3 ...

August 29, 2024
How to extend the service life of reverse osmosis membranes is of great practical significance

Reverse osmosis membrane is an important component of water treatment equipment, widely used in fields such as electronics, electricity, automobiles, food, and medical care. All mechanical equipment has a service life, and the service life of water treatment equipment is not only related to factors ...

August 28, 2024
Method for calculating the amount and concentration of salt used in softened water equipment

The calculation method for the amount and concentration of salt used in softened water equipment is generally as follows: resin amount (L) * 160=salt amount (g), and the concentration of NaCl regeneration solution in softened water is 5-12%; If the resin content is 10L, it is generally 1600g or 1...

August 27, 2024
Do you know the reason why the sludge in the aerobic tank turns black?

There are many reasons for sludge blackening during sewage treatment operation, such as the lack of dissolved oxygen in the aeration tank causing sludge blackening, and the presence of a large amount of pigment substances in the influent. The blackening of sludge in aeration tanks is often caused by ...

August 26, 2024
Introduction to DTRO sewage treatment equipment

1. Introduction to DTRO DTRO stands for Disc Tube Reverse Osmosis, and the core of the disc tube reverse osmosis system is the disc tube membrane column. The DTRO membrane column is specifically designed for high concentration water sources and has an open channel, suitable for various water sources...

August 24, 2024
How to deal with ammonia nitrogen exceeding the standard and total nitrogen exceeding the standard?

The total nitrogen remains high, hovering at the critical point of exceeding the standard, and there is no way to start. The inflow of more than 7000 water has not exceeded the standard, the sludge concentration is around 4500, the internal and external reflux is 100%, other equipment is normal, and ...

August 24, 2024
DTRO membrane technology and selection

1、 DTRO classification: mainly divided into three types according to pressure level 1) 75bar DT membrane column 2) 120bar DT membrane column 3) 160bar DT membrane column 2、 Usage conditions: 1) The siltation index SDI is less than 20; 2) Free residual chlorine

August 23, 2024
【 Dry goods 】 Technical renovation method for meeting the total nitrogen standard in sewage treatment plants!

introduction: With the acceleration of urbanization and the continuous increase of population, sewage treatment has become an issue that cannot be ignored in today's society. Excessive total nitrogen is a common challenge in the process of sewage treatment plants. This article will introduce a ...

August 23, 2024
Why is aeration control the key to sewage treatment!

1. What is the role of aeration in sewage treatment ▶ In sewage treatment, aeration equipment supplies oxygen to the aeration tank through aeration, and also has the function of mixing and stirring to enhance the mass transfer conditions of pollutants in the water treatment system and improve ...

August 22, 2024
The process of treating seawater desalination by reverse osmosis method

Desalination refers to the technology and process of obtaining fresh water from seawater. There are many types of seawater desalination technologies, including distillation, membrane methods (reverse osmosis, electrodialysis membrane evaporation, etc.), ion exchange methods, etc. However, the only ...

August 21, 2024
Causes and countermeasures of scum and foam in biochemical system

The reason for the generation of scum in the biochemical tank is due to abnormal metabolism from the activated sludge system, or it may be caused by the floating of inorganic particles. Secondary sedimentation tank scum: scum from the biochemical system, sludge rising after nitrification of ...

August 20, 2024
A Brief Discussion on the Pollution Control Standards for Landfills of Domestic Waste GB16889-2024

New era, new opportunities, new journey 1、 Preface Friends in the solid waste industry and colleagues in the leachate treatment industry. hello everyone! On July 23, 2024, the Ministry of Ecology and Environment of China issued GB16889-2024 "Pollution Control Standards for Landfills of Municipal ...

August 19, 2024
What are the characteristics of iron and manganese removal equipment? What is filter material?

Hello everyone, this is a new perspective on water treatment. I am an engineer engaged in the design and installation of water treatment equipment. Today, I am here to answer some questions about water treatment equipment for you, hoping to be helpful. As is well known, trace elements such as iron ...

August 19, 2024
The function, principle, and precautions of scale inhibitors for circulating water treatment

Hello everyone, this is a new perspective on water treatment. I am an engineer engaged in the design and installation of water treatment equipment. Today, I am here to answer some questions about water treatment equipment for you, hoping to be helpful. The function, principle, and precautions of ...

August 19, 2024
Cleaning and maintenance methods for ultrafiltration membranes!

Friends who want to know about the cleaning and maintenance methods of ultrafiltration membranes believe that: Cleaning and maintenance methods of ultrafiltration membranes, ultrafiltration membrane cleaning, seven steps of ultrafiltration membrane cleaning, sharing of ultrafiltration membrane ...

August 19, 2024

12 13 15 16 Last Total 17 Pages