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Technologies for phosphorus recycling from water environment

Today, phosphorus is mostly obtained from mined rock phosphate and existing rock phosphate reserves could be exhausted in next 50 – 100 years (Cordell et al., 2009). Phosphate minerals are the main hosts of phosphorus during its environmental transformations. Whether in phosphate ores, rocks or soils, they act as the primary source of phosphorus.

Retention of rainwater in structures of plastic blocks

The study of the Sheffield University (UK) has clearly proved that the configuration of AS-NIDAPLAST blocks with a bottom drain is more reliable and safer than tank configurations with blocks with direct inflow. At the same time it has shown that in tanks with a bottom drain there is only a minimum risk of silting with fine sediments and almost a zero risk of blocking the tank with large waste items of the plastic bag type.

 

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