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Дата изменения: Thu Jul 19 11:40:54 2001
Дата индексирования: Mon Oct 1 22:05:03 2012
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products2
INTEGRATED SYSTEM FOR TREATMENT OF LIQUID MANURE STREAMS FOCUSED ON MAXIMISATION OF PRODUCTION OF VALUABLE BY-PRODUCTS (FERTILISERS, BIOGAS) AND RE-UTILISATION OF WATER
 
 
 
 


 
 

Proposed scheme of liquid manure treatment:

A - farm (manure production); B - separation of solids/liquid (straw filter);

C - composting of solids; D - final form of fertiliser;

E - anaerobic elimination of major part of COD (and nitrate if necessary): UASB reactor;

F - physico-chemical removal of nutrients: struvite (MgNH4PO4) & hydroxyapatite (Ca5(PO4)3OH)

precipitation, ammonia removal by zeolite followed by its regeneration by HNO3;

G - biological elimination of resting BOD and nutrients (airlift).
 
 


Relative decrease in total COD, N and P concentrations after each treatment step:

RMW - raw manure wastewater SF - straw filter;

SHP - struvite & hydroxyapatite precipitation Z -zeolite;

AL - airlift
 
 

Valuable by-products:

Contact person:

Dr. S.V.Kalyuzhnyi, Dept. of Chemical Enzymology, Chemistry Faculty, Moscow State University, 119899 Moscow, Russia;

Phone: 7-(095)-9395083; Fax: 7-(095)-9395417 or 9393589; email: svk@enz.chem.msu.ru

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