The Blue Lagoon - a photo on Flickriver

The Blue Lagoon

            The Blue Lagoon (Bláa lónið) geothermal spa is one of the most visited attractions in Iceland. The spa is located in a lava field in Grindavík on the Reykjanes Peninsula, southwestern Iceland. Bláa lónið is situated approximately 20 km (12 mi) from the Keflavík International Airport and 39 km (24 mi) from the capital city of Reykjavík, roughly a 20 minute drive from the airport and a 50 minute drive from Reykjavík.

The warm waters are rich in minerals like silica and sulphur and bathing in the Blue Lagoon is reputed to help some people suffering from skin diseases such as psoriasis. The water temperature in the bathing and swimming area of the lagoon averages 37–39 °C (99–102 °F). The Blue Lagoon also operates a research and development facility to help find cures for other skin ailments using the mineral-rich water.

The lagoon is a man-made lagoon which is fed by the water output of the nearby geothermal power plant Svartsengi and is renewed every two days. Superheated water is vented from the ground near a lava flow and used to run turbines that generate electricity. After going through the turbines, the steam and hot water passes through a heat exchanger to provide heat for a municipal water heating system. Then the water is fed into the lagoon for recreational and medicinal users to bathe in.
Iceland has a strict code of hygiene and guests are required to shower before bathing.
The rich mineral content is provided by the underground geological layers and pushed up to the surface by the hot water (at about 1.2 MPa (170 psi) pressure and 240 °C (464 °F) temperature) used by the plant. Because of its mineral concentration, water cannot be recycled and must be disposed of in the nearby landscape, a permeable lava field that varies in thickness from 50 cm (20 in) to 1 m (3.3 ft). The silicate minerals is the primary cause of that water's milky blue shade. After the minerals have formed a deposit, the water reinfiltrates the ground, but the deposit renders it impermeable over time, hence the necessity for the plant to continuously dig new ponds in the nearby lava field.
A small experimental facility is still visible near the plant, where the engineers made decantation tests to evaluate the speed of mineral deposition, which is clearly a limiting factor both to the plant's rentability and sustainability. Hence, geothermal energy exploitation at this location is not without environmental impact.
The Blue Lagoon is situated close to the world's first renewable methanol plant, which uses Carbon Recycling International's carbon dioxide to methanol fuel process
   

Taken on: January 24, 2016

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Blue Lagoon

Bláa lónið

bathing

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Camera:	Apple iPhone 6 Plus
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