Removal of estrogenic hormones from manure-containing water by vegetable oil capture

Laurel K. Dodgen, Kelsey N. Wiles, Jennifer Deluhery, Nandakishore Rajagopalan, Nancy Holm, Wei Zheng

Research output: Contribution to journalArticle

Abstract

Manure-containing water (MCW) is frequently used for agricultural amendment, a practice that introduces natural and synthetic hormones to the environment. Advanced treatment processes are not practical for most animal operations, so inexpensively removing hormones from MCW by capture with vegetable oils was evaluated. Estrone (E1) and 17β-estradiol (E2) were used as model hormones due to their high biological activity and prevalence in MCW. Eight vegetable-based oils were able to remove >94% of E1 and >87% of E2 from nanopure water (NPW), and tested oils had log10 Koil-water values of 1.96-2.66 for E1 and 1.51-2.47 for E2. System parameters were optimized at 3 min of shaking time and 1:10 corn oil:water (v/v). Removal from real MCW and NPW was assessed at several initial concentrations of E1 and E2. While E1 removal was comparable across all initial concentrations and both water types (>93%), E2 removal exhibited concentration-dependent interaction with MCW matrix. Treatment capacity was assessed by using the same oil for multiple batches of NPW or MCW. After 18 cycles, removal dropped to 50–64% of E1 and 35–37% for E2. Treating MCW with vegetable oils may be a promising approach to inexpensively remove microcontaminants before MCW is used for land application.

Original languageEnglish (US)
Pages (from-to)125-131
Number of pages7
JournalJournal of Hazardous Materials
Volume343
DOIs
StatePublished - Feb 5 2018

Fingerprint

Plant Oils
Manure
Hormones
Water
water
manure
Manures
oil
Removal
hormone
Oils
vegetable oil
Vegetable oils
Corn Oil
Estrone
Estradiol
vegetable
maize
matrix
animal

Keywords

  • Hormone
  • Manure-containing water
  • Vegetable oil capture
  • Water treatment

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Removal of estrogenic hormones from manure-containing water by vegetable oil capture. / Dodgen, Laurel K.; Wiles, Kelsey N.; Deluhery, Jennifer; Rajagopalan, Nandakishore; Holm, Nancy; Zheng, Wei.

In: Journal of Hazardous Materials, Vol. 343, 05.02.2018, p. 125-131.

Research output: Contribution to journalArticle

Dodgen, Laurel K.; Wiles, Kelsey N.; Deluhery, Jennifer; Rajagopalan, Nandakishore; Holm, Nancy; Zheng, Wei / Removal of estrogenic hormones from manure-containing water by vegetable oil capture.

In: Journal of Hazardous Materials, Vol. 343, 05.02.2018, p. 125-131.

Research output: Contribution to journalArticle

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