What are the differences between UV treatment and reverse osmosis? In which situation is one better than the other for the production of drinking water for a city (+15,000 inhabitants)?
1 answer

UV treatment utilise des lampes à rayons ultraviolets pour inactiver les micro-organismes pathogènes. C'est une méthode de désinfection efficace contre les bactéries, virus et protozoaires, sans ajouter de produits chimiques. Cependant, elle n'élimine pas les contaminants chimiques ou solides dissous.
L'osmose inverse, quant à elle, utilise une membrane semi-perméable pour retirer les solides dissous, les sels, les métaux lourds et certains contaminants organiques. Elle est plus appropriée pour la désalinisation ou l'élimination de contaminants chimiques spécifiques.
Pour une ville de plus de 15,000 habitants, le choix dépend des contaminants présents dans l'eau brute. Si le principal souci est la présence de micro-organismes, le traitement UV est suffisant. Cependant, si l'eau contient des niveaux élevés de contaminants chimiques ou solides dissous, l'osmose inverse est préférable. Une combinaison des deux peut également être envisagée pour une solution complète.
Questions on the same topic
I am looking for online training on the treatment of unconventional water, specifically desalination and demineralization. Do you have any tips or recommendations?
Last response: Hello, I recommend the IOWater training courses! Cordially Isabelle Duchemin / Polymem
Can raw water be made drinkable by UV treatment or is it necessarily by reverse osmosis?
Last response: Hello, In order to obtain drinking water from raw water, it would first be necessary to have a complete analysis of this water. Read more
We are looking for a solution to make the water from the well of our future (old) house drinkable, not connected to the collective drinking water network. Recommendations?
Last response: Hello, It is important to carry out an analysis of your water before taking any action. This will make it possible to determine the physicochemical parameters of the latter and highlight the... Read more
How to analyze the hardness of soft water?
Last response: You need a colorimetric analyzer that uses solutions that will color the water depending on the degree of hardness. This mixture is then passed in front of a lamp which then determines the hardness... Read more
I am looking for a uv treatment to treat borehole water for a guest house. What do you recommend?
Last response: Hello, BIO-UV specializes in the design, manufacture and marketing of UV reactors and ozonators (Triogen). In order to send you a suitable technical proposal, we would need additional information... Read more
How is UV water treatment done? (process)
Last response: The principle of ultraviolet water treatment is simple: it involves passing the water, after filtration, through a reactor containing one (or more) UV lamps to disinfect the water. How it works ? Read more
I would like to treat well water against enterococci, can UV treatment be suitable?
Last response: Hello, To treat the water of a well, I invite you to put a filter upstream of your UV. There are kits: https://www.1h2o3.com/produit/kit-de-potabilisation-uv-home/ Have a good day
What is the best system for a vegetable shop wishing to recycle its washing water and therefore reuse it in a closed circuit?
Last response: If you are looking for efficiency, go for the Ozone & ZonoSistem
What is the average price of osmosis water?
Last response: The price of reverse osmosis water depends on several factors. First of all, the origin of the raw water to be treated and its production cost. (well, public network drilling, etc. Read more
What is the difference between prechlorination and disinfection?
Last response: Hello Pre-chlorination is a process for treating certain reducing compounds at the entry into the potabilisation process. This technique can lead to the formation of undesirable by-products or THMs... Read more