Solvay (societe Anonyme)

Sandra J Davies

Robert A Simms

Joseph W G Malone

In a process for hydroponic cultivation of plants an irrigation solution containing water and at least one nutrient is circulated through a main loop at a first point where a disinfectant is added to the irrigation solution. At a second point at least one nutrient is added to the irrigation solution. At a third point the plants are supplied with the irrigation solution, and at a fourth point the irrigation solution drained of the plants is collected. The main loop is provided with one or more sub-loops through which the irrigation solution is recirculated.

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Widnes, United Kingdom

Sandra J Davies