English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

This study was aimed to evaluate Sand, Activated Charcoal and Zeolite as filter materials to assess their effect on water salinity and others important water quality parameters for municipal wastewater reuse in arid environments. For this, filtration systems were built. In influent and effluents were evaluated the following parameters: a) Boron (B), b) Chloride (Cl - ), c) Sulfate (SO 4 -2 ), d) Calcium (Ca +2 ), e) Electrical Conductivity (EC), f ) pH h) Temperature (T), besides a group of heavy metals. The results showed that Activated Charcoal removes B to concentrations below 0.75 mg/L. However, during initial stage (first two weeks) effluents from Activated Charcoal filters showed EC above 2.5 dS/m and pH above 8.4. Probably these effluents will bring problems in water reuse for irrigation in crops. In the case of Sand, lixiviation problems with As and Sodium were defined. This lixiviation problem was associated to material’s origin. By contrast, the Zeolite is the only material with potential use as filter to remove salinity. The Zeolite was able to reduce by up to 20% the value of the EC without negative effect in any other water quality parameter evaluated in this study. In addition, Zeolite did not show any saturation problem during operational time.

Evaluación de materiales filtrantes para el reúso en agricultura de aguas residuales tratadas provenientes de zonas áridas