As of 2007, reuse was being practiced for a golf course and was envisaged for the irrigation of trees, green spaces and vegetable gardens after tertiary treatment.
12.
Depending on the toxicity and makeup of the influent, living machines can treat water to tertiary treatment standards and even reach potable standards for most or all metrics.
13.
In North America, mills typically operate primary and secondary ( or biological ) treatment systems, and, in some cases, tertiary treatment to achieve desirable levels of effluent quality.
14.
What are the sizes of particles removed in primary, secondary and tertiary treatment of wastewater ? The preceding contribs ) 09 : 09, 16 December 2006 ( UTC ).
15.
Europe in general is improving : Over the last decade more households accessed public treatment plants or even upgraded their treatment system ( e . g . from secondary to tertiary treatment ).
16.
Seepage of nitrogen and phosphorus into ground and surface water is also becoming a serious problem, and will probably lead to at least tertiary treatment of reclaimed water to remove nutrients in the future.
17.
Major improvements, including new primary settlement tanks and tertiary treatment lagoons, were made to the treatment works, and the carpet manufacturers installed facilities to treat their effluent before it was discharged to the sewer.
18.
The city sewage, which supplied 7.0 MLD of untreated sewage was treated with Sewerage Treatment Plant ( STP ) and then led to the lake to maintain its water level, after due removal of nutrients through tertiary treatment.
