Abstract
The aim of this work is to analyze micropollutants (MP) removal efficiency in coagulation, adsorption, and ion exchange processes. Research objects are two natural surface waters: Mała Panew River and Dobromierz Lake. Additionally spiked demineralized water is also being ana-lyzed. Analyzed MPs are: anthracene, alachlor, heptachlor, and its epoxide and 4-nonylphenol. As coagulants aluminum sulfate (Alum), polyaluminum chloride (PAC), and polyaluminum chloride hydroxide (PACl) are used. Three flocculants are analyzed: Praestol™ 2540TR (anionic), Praestol™ 655BC (cationic), and Praestol™ 2500TR (nonionic). Sorption processes are carried out on GAC830 active carbon, as well as Lewatit S5428 and Lewatit TP207 resins. Both, coagulation and sorption processes are highly influenced by matrix organic load. Rising organic concentration positively affected MPs removal in coagulation process but decreases effectiveness of sorption processes. Coagulation process allowed to reach maximum 78% reduction as is in case of Heptachlor. Using organic and inorganic anionic sorbents allows to reach 100% MPs reduction.
| Original language | English |
|---|---|
| Pages (from-to) | 212-219 |
| Number of pages | 8 |
| Journal | Desalination and Water Treatment |
| Volume | 199 |
| DOIs | |
| Publication status | Published - Sept 2020 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 6 Clean Water and Sanitation
Keywords
- Coagulation
- Ion exchange
- Micropollutants
- Sorption
- Surface water
ASJC Scopus subject areas
- Water Science and Technology
- Ocean Engineering
- Pollution
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