membrane osmosis reverse

Reverse osmosis (RO) is a process whereby water is passed through a membrane under pressure in cross-flow fashion. With its exceptional purifying efficiency, reverse osmosis is one of the most economical methods for the removal of up to 99% of impurities.
 

reverse osmosis membrane ULP-8040HF is applicable to the desalination of municipal water, groundwater with salt concentration less than 1500ppm, and can be widely
used in residential dual water supplying system, pure water preparation plant, industry, food production and other fields etc.

How it works

During reverse osmosis, feedwater is pumped past the input side of an RO membrane under pressure (typically 4-15 bar, 60-220 psi) in cross-flow fashion. Typically 15-30% of feedwater passes through the membrane as permeate and the exits the membrane as the concentrate that contains most of the salts, organics and essentially all particulates.
RO membranes are typically thin film polyamide and are stable over a wide pH range, however, they can be damaged by oxidizing agents such as chlorine, so pretreatment is usually required to protect the membrane. RO membranes are used to remove water contaminants and reject water contaminants that are less than 1 nm in diameter. Typically over 90% of ionic impurity, most organic impurity, and nearly all particulates, bacteria and bio-molecules are removed from the filtrate or permeate water; these are carried out of the RO module in a waste or concentrate water stream.Water purification membrane osmosis reverse

Model & Parameters

Standard Test Condition

Engineering Case

Groundwater Treatment

The ground water is features of high hardness, with process of "disc filter + UF + RO" ,

adopting RO Membrane Element-ULP-8040HF
it’s running since April 2016, the stable rejection rate is 98.5%, permeate water is stable as well.

membrane osmosis reverse 
 

Surface Water Treatment

"UF +RO” double membrane" treatment Process. Its daily treatment capability reaches to 50,000 tons.

membrane osmosis reverse 
 

Landfill Leachate Treatment

Its leachate processing capacity up to 1,800 tons per day, the treated wastewater fully meet the national discharged standards,
which regard as a demonstrative project for treatment of solid wastes disposal by the National Ministry of Housing and Urban-Rural
Development.

membrane osmosis reverse 
 

Food Process Water

The pure water system of Shanghai Production Base is applying "ULP-8040" RO membrane element with 200 tons per hour
output from June, 2013. So far, membrane system is working under a well condition, which has gained the recognition of their
leader for stable membrane performance.

membrane osmosis reverse