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In this database you will find articles describing studies we conducted, case studies and extensive material in the field of water purification by the constructed wetland method that we have developed and improved during the last 25 years.


Treatment with mineral oils and phenols using aquatic plants

Natural biological systems are used more and more in purifying "hard" wastewater containing phenols and hydrocarbons. The path was paved by studies funded by the US Army and the large gas companies 10-15 years ago. Today the US army is gradually transferring all its facilities to vegetated systems, as are the companies Texaco and others. 


Purifying dairy farm wastewater using the natural biological system

Wastewater from dairy farms is known in Israel and abroad as a polluting factor that requires special treatment. For this purpose, a reform was enacted to act as leverage for adapting this field to contemporary environmental requirements. Notwithstanding sizable investments by the government and efforts of the dairy farmers, many dairy farms are still not ready for the new regulations.


Phosphorus Removal using Constructed Wetlands

There is no scientific consensus regarding the growing appearance of blue-green algae (cyanobacteria) in Lake Kinneret and other water bodies. Some scientists ascribe this to periodic natural cycles, though they appear to be growing in intensity. Others refer to the increasing phosphorus concentrations coupled with declining nitrogen, which favors cyanobacteria, capable of N-fixation. Hence increased soluble phosphorus which is not consumed by algae is proof that this is the source of eutrophication


Beautiful and Functional

In recent years we are finding ornamental “ecological” or “biological” pools in almost every new park or urban nature project that is built. We use “quote” to emphasize that not all of these pools meet the criteria to be worthy of these titles, yet we are on the right path. There is desire for sustainable systems, with a favorous carbon footprint, a balanced ecology and diverse biology, attractive and a source of sustenance to plants and birds. 


Constructed Wetlands and Reed Beds

The constructed wetlands and Reeds Beds purifying method, is a branch of the scientific field of Phytoremediation. This field deals with water and land purification using plants and the microorganisms related to them. Constructed wetlands mainly purifies water, and, in some cases, sludge

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