Products & Services

RPI Antiscalants

RPI Antiscalants

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

Find out more


RPI Calculator

RPI Calculator

Your key partner to dose only what is needed.
Find out more

Open calculator


Knowledge Base

Knowledge Base

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

Find out more


News

ROPUR RPI Receives Use Approval from Spanish Sanitary Laboratories

As part of a standard annual process, the ROPUR RPI Antiscalants are analysed by Spanish accredited chemical laboratories, prior to […]

Continue reading

Germany – largest Nano-filtration plant

14th Sep. 2016 The successful operation at Germany’s largest drinking water plant using Toray ROMEMBRA Reverse Osmosis elements has triggered […]

Continue reading

New RPI-5000A – More Performance

7th Nov. 2014 In RO plants, 35% of the total mineral scalings are due to metallo-silicate cristals. To face this […]

Continue reading

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.