"You re going to learn something new today"

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


Video Tutorial

Video Tutorial

The easiest way to learn.

Find out more


News

microbial digestion of phosphonates

Microbial Degradation of Phosphonates: Pathways and Regulation

The below scientific review explores the microbial degradation of phosphonates, compounds characterized by a stable carbon-phosphorus bond. The article differentiates 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) […]

Latest Chemical Discoveries on the Crystallization of Silica in Water

The solubility of silica in water is significantly influenced by the presence of various cations…


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.