Phosphate recovery using hybrid anion exchange

Applications to source-separated urine and combined wastewater streams

Jeremy A. O'Neal, Treavor Boyer

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

There is increasing interest in recovering phosphorus (P) from various wastewater streams for beneficial use as fertilizer and to minimize environmental impacts of excess P on receiving waters. One such example is P recovery from human urine, which has a high concentration of phosphate (200-800mg P/L) and accounts for a small volume (~1%) of total wastewater flow. Accordingly, the goal of this study was to evaluate the potential to recover P from source-separated and combined wastewater streams that included undiluted human urine, urine diluted with tap water, greywater, mixture of urine and greywater, anaerobic digester supernatant, and secondary wastewater effluent. A hybrid anion exchange (HAIX) resin containing hydrous ferric oxide was used to recover P because of its selectivity for phosphate and the option to precipitate P minerals in the waste regeneration solution. The P recovery potential was fresh urine>hydrolyzed urine>greywater>biological wastewater effluent>anaerobic digester supernatant. The maximum loading of P on HAIX resin was fresh urine>hydrolyzed urine>anaerobic digester supernatant≈greywater>biological wastewater effluent. Results indicated that the sorption capacity of HAIX resin for phosphate and the total P recovery potential were greater for source-separated urine than the combined wastewater streams of secondary wastewater effluent and anaerobic digester supernatant. Dilution of urine with tap water decreased the phosphate loading on HAIX resin. The results of this work advance the current understanding of nutrient recovery from complex wastewater streams by sorption processes.

Original languageEnglish (US)
Pages (from-to)5003-5017
Number of pages15
JournalWater Research
Volume47
Issue number14
DOIs
StatePublished - Sep 5 2013
Externally publishedYes

Fingerprint

urine
ion exchange
Ion exchange
Phosphates
Wastewater
Negative ions
phosphate
wastewater
Recovery
Effluents
Resins
resin
effluent
Sorption
sorption
Water
Fertilizers
Nutrients
Dilution
Environmental impact

Keywords

  • Anaerobic digestion
  • Decentralization
  • Fertilizer
  • Greywater
  • Hydrous ferric oxide
  • Ligand exchange
  • Nutrient recovery
  • Phosphorus

ASJC Scopus subject areas

  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution
  • Ecological Modeling

Cite this

Phosphate recovery using hybrid anion exchange : Applications to source-separated urine and combined wastewater streams. / O'Neal, Jeremy A.; Boyer, Treavor.

In: Water Research, Vol. 47, No. 14, 05.09.2013, p. 5003-5017.

Research output: Contribution to journalArticle

@article{91b6bf12fdf94984a732b028514855e1,
title = "Phosphate recovery using hybrid anion exchange: Applications to source-separated urine and combined wastewater streams",
abstract = "There is increasing interest in recovering phosphorus (P) from various wastewater streams for beneficial use as fertilizer and to minimize environmental impacts of excess P on receiving waters. One such example is P recovery from human urine, which has a high concentration of phosphate (200-800mg P/L) and accounts for a small volume (~1{\%}) of total wastewater flow. Accordingly, the goal of this study was to evaluate the potential to recover P from source-separated and combined wastewater streams that included undiluted human urine, urine diluted with tap water, greywater, mixture of urine and greywater, anaerobic digester supernatant, and secondary wastewater effluent. A hybrid anion exchange (HAIX) resin containing hydrous ferric oxide was used to recover P because of its selectivity for phosphate and the option to precipitate P minerals in the waste regeneration solution. The P recovery potential was fresh urine>hydrolyzed urine>greywater>biological wastewater effluent>anaerobic digester supernatant. The maximum loading of P on HAIX resin was fresh urine>hydrolyzed urine>anaerobic digester supernatant≈greywater>biological wastewater effluent. Results indicated that the sorption capacity of HAIX resin for phosphate and the total P recovery potential were greater for source-separated urine than the combined wastewater streams of secondary wastewater effluent and anaerobic digester supernatant. Dilution of urine with tap water decreased the phosphate loading on HAIX resin. The results of this work advance the current understanding of nutrient recovery from complex wastewater streams by sorption processes.",
keywords = "Anaerobic digestion, Decentralization, Fertilizer, Greywater, Hydrous ferric oxide, Ligand exchange, Nutrient recovery, Phosphorus",
author = "O'Neal, {Jeremy A.} and Treavor Boyer",
year = "2013",
month = "9",
day = "5",
doi = "10.1016/j.watres.2013.05.037",
language = "English (US)",
volume = "47",
pages = "5003--5017",
journal = "Water Research",
issn = "0043-1354",
publisher = "Elsevier Limited",
number = "14",

}

TY - JOUR

T1 - Phosphate recovery using hybrid anion exchange

T2 - Applications to source-separated urine and combined wastewater streams

AU - O'Neal, Jeremy A.

AU - Boyer, Treavor

PY - 2013/9/5

Y1 - 2013/9/5

N2 - There is increasing interest in recovering phosphorus (P) from various wastewater streams for beneficial use as fertilizer and to minimize environmental impacts of excess P on receiving waters. One such example is P recovery from human urine, which has a high concentration of phosphate (200-800mg P/L) and accounts for a small volume (~1%) of total wastewater flow. Accordingly, the goal of this study was to evaluate the potential to recover P from source-separated and combined wastewater streams that included undiluted human urine, urine diluted with tap water, greywater, mixture of urine and greywater, anaerobic digester supernatant, and secondary wastewater effluent. A hybrid anion exchange (HAIX) resin containing hydrous ferric oxide was used to recover P because of its selectivity for phosphate and the option to precipitate P minerals in the waste regeneration solution. The P recovery potential was fresh urine>hydrolyzed urine>greywater>biological wastewater effluent>anaerobic digester supernatant. The maximum loading of P on HAIX resin was fresh urine>hydrolyzed urine>anaerobic digester supernatant≈greywater>biological wastewater effluent. Results indicated that the sorption capacity of HAIX resin for phosphate and the total P recovery potential were greater for source-separated urine than the combined wastewater streams of secondary wastewater effluent and anaerobic digester supernatant. Dilution of urine with tap water decreased the phosphate loading on HAIX resin. The results of this work advance the current understanding of nutrient recovery from complex wastewater streams by sorption processes.

AB - There is increasing interest in recovering phosphorus (P) from various wastewater streams for beneficial use as fertilizer and to minimize environmental impacts of excess P on receiving waters. One such example is P recovery from human urine, which has a high concentration of phosphate (200-800mg P/L) and accounts for a small volume (~1%) of total wastewater flow. Accordingly, the goal of this study was to evaluate the potential to recover P from source-separated and combined wastewater streams that included undiluted human urine, urine diluted with tap water, greywater, mixture of urine and greywater, anaerobic digester supernatant, and secondary wastewater effluent. A hybrid anion exchange (HAIX) resin containing hydrous ferric oxide was used to recover P because of its selectivity for phosphate and the option to precipitate P minerals in the waste regeneration solution. The P recovery potential was fresh urine>hydrolyzed urine>greywater>biological wastewater effluent>anaerobic digester supernatant. The maximum loading of P on HAIX resin was fresh urine>hydrolyzed urine>anaerobic digester supernatant≈greywater>biological wastewater effluent. Results indicated that the sorption capacity of HAIX resin for phosphate and the total P recovery potential were greater for source-separated urine than the combined wastewater streams of secondary wastewater effluent and anaerobic digester supernatant. Dilution of urine with tap water decreased the phosphate loading on HAIX resin. The results of this work advance the current understanding of nutrient recovery from complex wastewater streams by sorption processes.

KW - Anaerobic digestion

KW - Decentralization

KW - Fertilizer

KW - Greywater

KW - Hydrous ferric oxide

KW - Ligand exchange

KW - Nutrient recovery

KW - Phosphorus

UR - http://www.scopus.com/inward/record.url?scp=84883283659&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84883283659&partnerID=8YFLogxK

U2 - 10.1016/j.watres.2013.05.037

DO - 10.1016/j.watres.2013.05.037

M3 - Article

VL - 47

SP - 5003

EP - 5017

JO - Water Research

JF - Water Research

SN - 0043-1354

IS - 14

ER -