treatment wetlands: October 2009

Thursday, October 8, 2009

treatment wetland and big city

YES...WE CAN also set up a treatment wetland system for a big city wastewater volume. This is just been done like in Beja (Portugal) or in Jesi (Italy). Here the wetland is the secondary or tertiary treatment step (after activated sludge or lagoon). In Beja are treated the waters of 30.000 person and the treated water are used for watering the golf fields...

here below an useful image (by GianVIN) that show also the light impact of the systems...

the UNEP environmentally sound technologies for Caribbean Islands

As highlighted in the 1994 Barbados Programme of Action, waste management is a major concern for small island developing States.

UNEP with Caribbean Environmental Health Institute write the Environmentally sound technologies for integrated management of solid, liquid and hazardous waste for SIDS in the Caribbean Region.

Many technologies have been used in the Caribbean but, for many reasons have failed including: inappropriate tecn., insufficient operation practices, lack of funding and lack of personnel to manage the treatment plant. One of the best tecnologies listed in the UNEP publication and able to manage the Caribbean wastewaters is constructed wetland. In the UNEP document is also write ... " Increasingly being recommended ". see page 108 of the document at the following link: http://www.training.gpa.unep.org/documents/a_directory_of_environmentally_sound_

technologies_for_the_integrated_management_of_solid_liquid_and_hazardous_waste

_for_sids_in_the_caribbean_region_unepcaricom_2004_1_english.pdf