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2026 Vol.28, Issue 2 Preview Page
Application of Sodium Dodecyl Sulfate (SDS) for suppressing ammonium nitrogen formation in swine manure and its effects on subsequent anaerobic digestion

돈분뇨 내 암모니아성 질소 형성 억제를 위한 Sodium Dodecyl Sulfate(SDS) 적용 및 후속 혐기성 소화에 미치는 영향

Yun-Ju Jeon1†
,
Byung-kyu Ahn2†
,
Seon-Ae Jang3
,
Yeo-Myeong Yun4*
전 윤주1†
,
안 병규2†
,
장 선애3
,
윤 여명4*
1Ph.D. student, Department of Environmental Engineering, Chungbuk National University, 1 Chungdae-ro, Seowon-Gu, Cheongju 28644, Republic of Korea
2Ph.D. candidate, Department of Environmental Engineering, Chungbuk National University, 1 Chungdae-ro, Seowon-Gu, Cheongju 28644, Republic of Korea
3B.S-M.S student, Department of Environmental Engineering, Chungbuk National University, 1 Chungdae-ro, Seowon-Gu, Cheongju 28644, Republic of Korea
4Professor, Department of Environmental Engineering, Chungbuk National University, 1 Chungdae-ro, Seowon-Gu, Cheongju 28644, Republic of Korea
1충북대학교 환경공학과 박사과정
2충북대학교 환경공학과 박사과정수료
3충북대학교 환경공학과 학석사연계과정
4충북대학교 환경공학과 교수
*Corresponding Author
†These authors contributed equally to this work.
31 August 2026. pp. 75-84
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Abstract

This study evaluated sodium dodecyl sulfate (SDS) as an additive to suppress ammonium nitrogen formation in swine manure and assessed its effects on anaerobic digestion (AD). Swine manure was stored with 10-100 mg SDS/g VS for 10 days, during which NH4+-N accumulation and nitrogen distribution were measured. SDS reduced final NH4+-N accumulation by 8.2-15.9%, achieving the greatest reduction at 25 mg/g VS, while higher SDS doses maintained a larger organic-N fraction. Separate batch AD tests were then conducted using a glucose-amended inoculum exposed to 50-1,600 mg/L SDS, followed by analyses of methane production, organic acids, and microbial communities. Methane production increased in all SDS treatments relative to the control and peaked at 400 mg/L, with cumulative production of 445.7 ± 40.9 mL, a yield of 225.9 ± 2.4 mL/g COD, and a production rate of 303.9 ± 13.6 mL/L/day. This enhancement diminished at higher SDS concentrations; at 1,600 mg/L, the production rate dropped to 61.1 ± 6.5 mL/L/day, accompanied by propionate- and acetate accumulation. SDS-only control tests confirmed that direct conversion of SDS could not account for the methane enhancement observed at 400 mg/L in the presence of glucose, indicating that the response depended on the co-substrate. The archaeal community remained relatively similar between the control and the 400 mg/L SDS treatment, whereas 1,600 mg/L was associated with pronounced bacterial shifts and selective archaeal changes, including enrichment of Sporanaerobacter acetigenes and decreased abundance of Methanolinea spp. These findings indicate that the application of SDS to swine manure requires balancing its effect on ammonium nitrogen formation with its concentration- and substrate-dependent influence on subsequent methane conversion.

Keywords
Ammonia
Anaerobic digestion
Sodium dodecyl sulfate
Swine manure
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Information
  • Publisher :The Korean Society of Animal Environmental Science & Technology
  • Publisher(Ko) :(사)한국축산환경학회
  • Journal Title :Journal of Animal Environmental Science
  • Journal Title(Ko) :축산시설환경학회지
  • Volume : 28
  • No :2
  • Pages :75-84
  • Received Date : 2026-08-14
  • Revised Date : 2026-08-25
  • Accepted Date : 2026-08-27
  • DOI :https://doi.org/10.11109/JAES.2026.28.2.075
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