Phosphate removal from urine using hybrid anion exchange resin

Alicia Sendrowski, Treavor Boyer

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Urine source separation has been proposed as a more sustainable approach to wastewater management than treating combined wastewater streams. One such benefit of urine source separation is nutrient recovery, which has primarily focused on struvite precipitation for recovery of phosphorus. There is no previous research investigating phosphorus recovery from human urine by ion-exchange. Accordingly, the goal of this research was to provide an improved understanding of phosphate removal by ion-exchange using a hybrid anion exchange (HAIX) resin. The specific objectives of this research were to evaluate phosphate removal using HAIX resin in fresh urine and hydrolyzed urine in terms of (1) kinetic tests, (2) equilibrium tests, (3) sorption models, (4) competition among sulfate, chloride, and phosphate, and (5) pharmaceutical co-removal. Batch experiments were conducted using different compositions of synthetic urine. HAIX resin consisted of a strong-base anion exchange resin impregnated with hydrated ferric oxide nanoparticles. The major results of phosphate removal from urine using HAIX resin were rapid removal in 5. min or less, high removal up to 97%, similar ion-exchange behavior in fresh urine and hydrolyzed urine, no affect by sulfate on phosphate removal, and co-removal of pharmaceutical and phosphate.

Original languageEnglish (US)
Pages (from-to)104-112
Number of pages9
JournalDesalination
Volume322
DOIs
StatePublished - Aug 1 2013
Externally publishedYes

Fingerprint

Anion Exchange Resins
urine
resin
ion exchange
Ion exchange
Phosphates
Negative ions
Resins
Source separation
Recovery
Drug products
Phosphorus
Sulfates
Wastewater
drug
phosphate
sulfate
phosphorus
struvite
phosphate removal

Keywords

  • Diclofenac
  • Hydrated ferric oxide
  • Ion-exchange
  • Nutrient recovery
  • Phosphorus
  • Urine source separation

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Mechanical Engineering
  • Chemistry(all)
  • Materials Science(all)
  • Water Science and Technology

Cite this

Phosphate removal from urine using hybrid anion exchange resin. / Sendrowski, Alicia; Boyer, Treavor.

In: Desalination, Vol. 322, 01.08.2013, p. 104-112.

Research output: Contribution to journalArticle

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