lehu乐虎

【Hongjie Water Service】 Selection of feed pump form for sludge dewatering machine The flow rate of a single feed pump should not only be calculated based on sludge volume, dewatering time, and number of units, but also consider matching with the processing capacity and cycle of the dewatering mach...

What is a sedimentation tank? What is the principle of a sedimentation tank? 1、 What is a sedimentation tank? A sedimentation tank is a treatment structure that uses gravity sedimentation to remove suspended particles with a higher density than water from water. It is one of the most widely used ...

Why is MBR membrane prone to scaling? How to handle it? Why is it so easy to scale on MBR membranes that they have to be removed and washed every month, and online backwashing is useless? MBR has been widely and maturely applied in wastewater treatment, as it replaces the secondary sedimentation ...

25 common problems and solutions of reverse osmosis membrane treatment technology in sewage treatment In general, when the standardized flux decreases by 10-15%, or the desalination rate of the system decreases by 10-15%, or the operating pressure and inter section pressure difference increase by ...

【Hongjie Water Service】 Iron and manganese removal filter 1、 Introduction to Iron and Manganese Removal Equipment Iron and manganese exist almost simultaneously in underground (well) water. When the iron content in the water is high, the water has a fishy smell, which affects the taste of the wat...

The application of nanofiltration membranes in the water treatment industry The development and application of nanofiltration (NF) membranes were approximately 20 years later than those of reverse osmosis membranes. In the 1970s, J.E. Cadote began studying the NS-300 membrane, marking the beginnin...

The difference between pure water and ultrapure water! It's clear at a glance Before understanding their differences, first understand what they are: Pure water, also known as pure water, refers to water that meets the standards for drinking water. It is the source water that is treated by i...

【Hongjie Water Service】 Reverse osmosis membrane lifespan and identification of pollution types 1、 The lifespan of reverse osmosis membranes During the use of equipment, in addition to normal performance degradation, the degradation of equipment performance caused by pollution is more severe. Th...

Why is it easy to cause water hammer if a "check valve" is not installed at the pump outlet? First, let's take a look at the consequences of not installing a check valve on the water pump: The sudden changes in the water flow inside the pump outlet pipeline, such as opening, closing, and sto...

【Hongjie Water Service】 The installation and commissioning process of the two-stage RO reverse osmosis equipment is standardized and very practical! With the continuous development of science and technology, the manufacturing level of two-stage RO reverse osmosis equipment is also constantly impro...

What is DT-RO water treatment process The DT-RO membrane does not require any form of pre-treatment, and can directly treat the leachate to meet the discharge standards required by the owner. For the treatment of urban household waste leachate, if it is to meet the national first level emission ...

Analysis on scaling phenomenon of reverse osmosis membrane in Hongjie Water Service 1. Fouling analysis 1.1 Treatment of raw water To avoid clogging the reverse osmosis device, the raw water should be pre-treated to eliminate suspended solids in the water and reduce its turbidity; In addition,...