Application of struvite process for nutrient recovery from anaerobic digesters of livestock wastewater

• Autorzy: Zhang T. , Fang C. , Li P. , Jiang R.

Identyfikatory

DOI

10.5277/epe140303

• Języki publikacji: EN

Abstrakty

EN

Process of struvite (Mg4NH4PO4·6H2O) precipitation is a promising method for phosphorus recycling. The use of cheap magnesium ore for precipitation struvite as phosphate recovery has been examined. The optimal conditions for precipitation are pH 9.0 and Mg²⁺: NH₄ ⁺: PO₄ ^-3 molar ratio 1.1:30.7:1. Linear correlation of experimental data is in qualitative agreement with modelling calculation. Surface characterization analysis demonstrates that struvite is the dominant component of precipitate. Fertility value tests show that struvite precipitate could be available as slow-release fertilizer.

Słowa kluczowe

EN

anaerobic digester; livestock wastewater; nutrient recovery; phosphate recovery; slow release fertilizers; struvite

PL

beztlenowa komora fermentacyjna; ścieki hodowlane; odzyskiwanie składników odżywczych; nawozy o spowolnionym działaniu; nawozy wolnodziałające; odzysk fosforanów; struwit

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2014
• Tom: Vol. 40, nr 3
• Strony: 29--42
• Opis fizyczny: Bibliogr. 22 poz., tab., rys.

Twórcy

autor

Zhang T.

• Key Laboratory of Plant-Soil Interactions of Ministry of Education, College of Resources and Environmental Sciences, China Agricultural UniversityBeijing, China

autor

Fang C.

• Key Laboratory of Plant-Soil Interactions of Ministry of Education, College of Resources and Environmental Sciences, China Agricultural UniversityBeijing, China

autor

Li P.

• Key Laboratory of Plant-Soil Interactions of Ministry of Education, College of Resources and Environmental Sciences, China Agricultural UniversityBeijing, China

autor

Jiang R.

• Key Laboratory of Plant-Soil Interactions of Ministry of Education, College of Resources and Environmental Sciences, China Agricultural UniversityBeijing, China

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