RO membrane elements help Ghanaian beverage firm stop downtime

After suffering from filter clogging and facility downtime, North Ghana drinks company Mazareka turned to German company LANXESS to take delivery of reverse osmosis (RO) filter elements to supply clean drinking water...

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After suffering from filter clogging and facility downtime, North Ghana drinks company Mazareka turned to German company LANXESS to take delivery of reverse osmosis (RO) filter elements to supply clean drinking water.

The water-treatment plant of Mazareka, which is based in Tamale/Kanshegu, is equipped with Lewabrane RO B400 HR membrane elements. It has a capacity of 40 m3/hour to supply water to 600,000 people.

In October 2013, Mazareka began producing sachets filled with water and soft drinks. But with the filter elements initially used in the system, the channels of the membrane elements quickly became clogged, and the elements blocked the flow of water. That problem shut down the plant.

The spiral-wound Lewabrane RO B400 HR membranemodule consists of a polyamide composite membrane and was developed for industrial water treatment and the purification of drinking water. The membrane features high retention of critical components such as nitrates and organic compounds and meets NSF/ANSI Standard 61 for drinking water system components.

Mazareka’s modern drinking watertreatment plant is the first of its kind in the northern region of Ghana. The supply of drinking water is especially poor in this part of the country, with approximately half of the population having no access to clean drinking water at all.

Water commonly comes in the form of one-half-liter plastic bags of normal tap water, from which only the suspended solids have been filtered out. These "sachets" cost the equivalent of about three euro cents yet the water and its taste can be of concern.

Mazareka set itself the goal of combining the best hygienic practices with modern reverse osmosis technology to produce high-quality water for safe consumption.

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