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Calcium Iron Composites for Phosphorus Removal from Municipal Wastewaters and Its Potential Reuse in Agriculture: Case Study of Latvia

  • Jūlija Karasa
  • , Rūta Ozola-Davidāne*
  • , Katrīna Anna Ozoliņa
  • , Kamila Gruškeviča
  • , Līga Irbe Mikosa
  • , Juris Kotjukovs
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference paperResearchpeer-review

Abstract

The objective of this research is to develop natural, low-cost and effective sorbent for phosphorus (P) removal and recovery from municipal wastewater treatment plant (WWTP) effluent. Mostly used phosphorus removal equipment is outdated, while the modern and effective ones are expensive, thus rarely applied in small and medium scale WWTPs in Latvia. As a result, municipalities are paying penalties for exceeding the P limits, meanwhile promoting eutrophication processes. This research intended to prepare calcium/iron composites for the P removal from municipal wastewaters, followed with the use of it as a soil amendment in agriculture. Several composite materials were obtained and characterised by X-ray Powder Diffraction, Wavelength Dispersive X-ray Fluorescence spectrometry, scanning electron microscopy and specific surface area. The composite material has been preliminary tested in batch scale with a standard phosphate solution to evaluate the phosphorus recovery and the potential phytotoxic effect.

Original languageEnglish
Title of host publicationInternational Conference on Wider-Uptake of Water Resource Recovery from Wastewater Treatment, ICWRR 2024
EditorsGiorgio Mannina, Alida Cosenza, Antonio Mineo
PublisherSpringer Science and Business Media Deutschland GmbH
Pages197-202
Number of pages6
ISBN (Print)9783031633522
DOIs
Publication statusPublished - 2024
EventInternational Conference on Wider-Uptake of Water Resource Recovery from Wastewater Treatment, ICWRR 2024 - Palermo, Italy
Duration: 18 Jun 202421 Jun 2024

Publication series

NameLecture Notes in Civil Engineering
Volume524 LNCE
ISSN (Print)2366-2557
ISSN (Electronic)2366-2565

Conference

ConferenceInternational Conference on Wider-Uptake of Water Resource Recovery from Wastewater Treatment, ICWRR 2024
Country/TerritoryItaly
CityPalermo
Period18/06/2421/06/24

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 6 - Clean Water and Sanitation
    SDG 6 Clean Water and Sanitation
  2. SDG 11 - Sustainable Cities and Communities
    SDG 11 Sustainable Cities and Communities
  3. SDG 14 - Life Below Water
    SDG 14 Life Below Water

Keywords

  • Nutrient recovery
  • Phosphorus removal
  • Soil amendment
  • Srebrodolskite
  • Wastewater treatment

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