Products & Services

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

Silicate Scaling in Reverse Osmosis: latest updates

After weeks of investigations, analysis of autopsy reports, and countless brainstorming sessions, we reached a consensus to explain an unusual silicate scaling phenomenon. This can occur when sodium silicate is the primary species present, even in the absence of the typical problematic cations such.

Video Tutorial

A new video tutorial on how best to use the RPI dosing calculator is just released. 4 minutes only to master the most advanced antiscalant dosing calculator available on the market. The version is in English speaking for an easy watch. Five minutes only to become an expert.

Toray Water Treatment Offices

Protect Your Reverse Osmosis Membranes with Our Advanced Antiscalants Scale and mineral fouling can scratch and damage the active polyamide […]


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.