ArticleACS ES&T water2021
Electrochemical Recovery of Phosphorus from Acidic Cheese Wastewater: Feasibility, Quality of Products, and Comparison with Chemical Precipitation.
Article in ACS ES&T water, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Mineral-integrated electrochemical system enabling membrane-free pH swing and active chlorine species generation for urine valorization.Nature communications · 2026Article
- Electrochemical Nutrient Recovery for the Food-Energy-Water Nexus at Municipal Wastewater Facilities: Multivariate Analyses of Seasonal Sampling and Reactor Performance.ACS ES&T engineering · 2026Article
- Spatially decoupled electrochemical strategy for lime passivation prevention and sustainable phosphate recovery.Nature communications · 2026Article
- Performance of a pilot-scale microbial electrolysis cell coupled with biofilm-based reactor for household wastewater treatment: simultaneous pollutant removal and hydrogen production.Bioprocess and biosystems engineering · 2024Article
- Reagent-free phosphorus precipitation from a denitrified swine effluent in a batch electrochemical system.Heliyon · 2024Article
- Fabrication of oxygen-releasing dextran microgels by droplet-based microfluidic method.RSC advances · 2024Article
- Native microalgal-bacterial consortia from the Ecuadorian Amazon region: an alternative to domestic wastewater treatment.Frontiers in bioengineering and biotechnology · 2024Article
- A Novel Hybrid Membrane Process Coupled with Freeze Concentration for Phosphorus Recovery from Cheese Whey.Membranes · 2023Article
- The Study of Optimal Adsorption Conditions of Phosphate on Fe-Modified Biochar by Response Surface Methodology.Molecules (Basel, Switzerland) · 2023Article
- Dairy and Wine Industry Effluents as Alternative Media for the Production ofBioengineering (Basel, Switzerland) · 2022Article
- Recovery of phosphorus from wastewater: A review based on current phosphorous removal technologies.Critical reviews in environmental science and technology · 2022Article
- Integration of Micro-Nano-Engineered Hydroxyapatite/Biochars with Optimized Sorption for Heavy Metals and Pharmaceuticals.Nanomaterials (Basel, Switzerland) · 2022Article
- A Carbazole-Functionalized Porous Aromatic Framework for Enhancing Volatile Iodine Capture viaMolecules (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The recovery of phosphorus (P) from high-strength acidic waste streams with high salinity and organic loads is challenging. Here, we addressed this challenge with a recently developed electrochemical approach and compared it with the chemical precipitation method via NaOH dosing. The electrochemical process recovers nearly 90% of P (∼820 mg/L) from cheese wastewater in 48 h at 300 mA with an energy consumption of 64.7 kWh/kg of P. With chemical precipitation, >86% of P was removed by NaOH dosing with a normalized cost of 1.34-1.80 euros/kg of P. The increase in wastewater pH caused by NaOH dosing triggered the formation of calcium phosphate sludge instead of condensed solids. However, by electrochemical precipitation, the formed calcium phosphate is attached to the electrode, allowing the subsequent collection of solids from the electrode after treatment. The collected solids are characterized as amorphous calcium phosphate (ACP) at 200 mA or a precipitation pH of ≥9. Otherwise, they are a mixture of ACP and hydroxyapatite. The products have sufficient P content (≤14%), of which up to 85% was released within 30 min in 2% citric acid and a tiny amount of heavy metals compared to phosphate rocks. This study paves the way for applying electrochemical removal and recovery of phosphorus from acidic P-rich wastewater and offers a sustainable substitute for mined phosphorus.
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