Technologies for: Water treatment - Disinfection

The use of ECA-water for water disinfection in horticulture

Electrochemically activated water (ECA-water) is a term for salt water through which a current is passed. As a result, it is enriched with stable (at pH 8.5) active substances which destroy the cell membranes of bacteria and fungi but do not leave residues. ECA-water is diluted and used at concentrations of 2-10 ppm of active […]

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The use of peroxides for water disinfection in horticulture

Peroxides are used to prevent rock wool or flow mats from becoming green, clogging pipes and drippers because of a biofilm or lime scale and work curatively against algae, duckweed, root exudates and bacteria in the water. Hydrous peroxides break down into environmentally friendly components (H2O and O2) but are not yet allowed for spraying […]

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Disinfection of irrigation water using UV radiation

The UV-C radiation, which has a wavelength of approximately 254 nanometres, alters the DNA of micro-organisms. Radiation is emitted by low or high-pressure mercury vapor lamps. The water to be disinfected is passed through the stainless steel exposure chamber with UV-C lamp inside. Water enters one end of the chamber, flows through the chamber around […]

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Pure Chlorine Unit

Contaminants in the grower’s water supply can be a hazardous problem. Algae bloom, bacteria or viruses can enter the water and disturb the growing process of the crop. The Pure Chlorine Unit is an installation for cleaning and disinfecting 100% of the water throughout the entire system (not like UV or ozon cleaning, which cleans […]

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Biofiltration

Biofiltration aims to treat drain water against pathogens, allowing recirculation into the crop. The filter is filled with an inert and porous support (in general pozzolana) and drainage water to treat (=‘static biofiltration’). The biofilm which develops naturally on the pozzolana should consist of Pseudomonas and Bacillus bacteria. To accelerate the germicidal efficacy of the […]

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