How uranium comes out of pinzberg water?

How uranium comes out of pinzberg water?

In november 2012, the acquisition of a uranium processing plant was the central topic of the meeting of the ehrenburg water association. Alexander durrschmidt from the planning office of the same name discussed possible approaches to the problem. All this had become necessary because the uranium content in the drinking water of pinzberg is too high. Pinzberg obtains part of its water from the special-purpose association and mixes it with its own water.
The permissible uranium value of 10 micrograms per liter had been exceeded three times in samples. The situation is still uncritical for the towns in the other regions of the association, such as wiesenthau, schlaifhausen and gosberg. Even if 11 micrograms/l have been measured in a sample there recently as well. Association chairman hans weisel has no illusions, however, that the safety of drinking water could also be endangered here in the long run.

Bad for the kidneys
Durrschmidt recommends that the association purchase a system that could purify the water. An investment volume of around 80.000 euros has since been talked about. Now, members of the special-purpose association, together with pinzberg's mayor reinhard seeber (CSU), have traveled to hirschaid, where such a plant is already in operation.

Mayor andreas schlund (CSU) and his water keeper ronald welsch explained the background of the so-called ion exchange process to their visitors. In 2007, high uranium levels were discovered in the water of numerous wells in northern upper franconia.

Uranium is a waterless heavy metal that can damage the kidneys and pose a health risk, especially to small children. Hirschaid operates ten wells and was ultimately involved in erlach with two wells with a considerable 37 micrograms/l uranium. "We wanted a clean variant, without compromises, completely without uranium", stressed schlund.

The hirschaiders decided to install the system from a specialist company in bayreuth. In december 2007, the uranium was finally removed from the water.

Cost: 35.000 euro
On site over the coarse well in erlach with an annual demand of about 100.000 cubic meters a small dwelling was built. Inside works a rough blue holder. The cylinder through which the water flows contains resins that filter out the uranium. "The water must not change, it must retain its mineral content and taste. This is the art of the process", explains schlund.

What happens to the uranium in the harz mountains? This question was of particular concern to the members of the association and also to seeber. This is the responsibility of the company installing the system, replied the bavarians. Later the resin will be processed in zwickau. A new filling with resin costs a lot of money every four to five years – up to 30.000 euro.
The second, much smaller turbine was installed later and fits into the well shaft. It cost around 35,000 euros. Meanwhile, there was competition, which put considerable pressure on the price. The plants have to cope with debris flows of six to eight liters per second in hirschaid. "We never had any problems, I can only highly recommend such a solution", hirschaid's mayor schlund addressed his guests.

The ehrenburg water association decided to approach the bayreuth company after the excursion to hirschaid. One thing is clear: there is a need for action on the water supply in pinzberg, but the filtration also helps wiesenthau.

The smaller processing plant visited was expected to be sufficient. It must be able to process an average of around three, or a maximum of just under six liters, and was installed at the gosberg water house or in the well house at dobenreuth. The cost of the purchase is shared half between the special purpose association and pinzberg.

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