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RPI Antiscalants

RPI Antiscalants

ROPUR RPI® Antiscalants are friendly solutions designed to operate safely reverse osmosis systems at maximum efficiency.

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RPI Calculator

RPI Calculator

Your key partner to dose only what is needed.
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Knowledge Base

Knowledge Base

Because knowledge is the best way to make the right choice.

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Video Tutorial

Video Tutorial

The easiest way to learn.

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News

How “Cheap” Water Pretreatment Destroys High-Tech Membranes?

1. Introduction: As water scarcity intensifies, municipal utilities are increasingly forced to transition toward high-tech membrane solutions like Reverse Osmosis […]

microbial digestion of phosphonates

Natural Degradation of Phosphonates

The below scientific review explores the microbial degradation of phosphonates, compounds characterized by a stable carbon-phosphorus bond. The articles differentiate between natural […]

SILICATE CHEMISTRY & SILICATE MANAGEMENT IN RO OPERATIONS

To reduce the speed of silicate scaling, strategies generally involve manipulating the water chemistry (such as pH and ion concentrations) […]


About

Toray Membrane Europe AG, a company of Toray Industries Japan, is the successor company of ROPUR AG, an engineering firm established in Switzerland in 1983 who pioneered the development of the Antiscaling Chemicals in the Reverse Osmosis field.

Under the ROPUR brand name, TMEU AG innovates, manufactures and supplies high-quality scaling inhibitors for water treatment using RO and NF membrane technology.