MD3293F1 - Process for treating the sediment obtained at the sewage anaerobic fermentation - Google Patents

Process for treating the sediment obtained at the sewage anaerobic fermentation

Info

Publication number
MD3293F1
MD3293F1 MD20060202A MD20060202A MD3293F1 MD 3293 F1 MD3293 F1 MD 3293F1 MD 20060202 A MD20060202 A MD 20060202A MD 20060202 A MD20060202 A MD 20060202A MD 3293 F1 MD3293 F1 MD 3293F1
Authority
MD
Moldova
Prior art keywords
sediment
anaerobic fermentation
treating
sediment obtained
treatment
Prior art date
Application number
MD20060202A
Other languages
Romanian (ro)
Other versions
MD3293G2 (en
Inventor
Victor Covaliov
Olga Covaliova
Dumitru UNGUREANU
Ion Suman
Original Assignee
Universitatea De Stat Din Moldova
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Universitatea De Stat Din Moldova filed Critical Universitatea De Stat Din Moldova
Priority to MDA20060202A priority Critical patent/MD3293G2/en
Publication of MD3293F1 publication Critical patent/MD3293F1/en
Publication of MD3293G2 publication Critical patent/MD3293G2/en

Links

Classifications

    • Y02W10/12—

Landscapes

  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

Inventia se refera la un procedeu combinat de tratare a sedimentului, obtinut la fermentarea anaeroba a apelor reziduale si poate fi utilizata in industriile vinicola si alimentara la tratarea si utilizarea deseurilor. Procedeul include utilizarea in calitate de coagulant a defecatului, care se formeaza la tratarea extractelor zaharoase cu var, incantitate de 50...100% de la masa sedimentului uscat, cu aducerea amestecului obtinut pana la un pH7,5…8,5, agitarea timp de 30…60 min, sedimentareatimp de 1…2 ore, cu decantarea ulterioara, apoi sedimentul se trateaza cu un floculant, si anume cusolutie de poliacrilamida de 0,2…0,5% in cantitate de 50...100 mg/dm3 prin introducerea ei treptatade 2…3 ori, in cantitate de (0,50...0,60):(0,20...0,50):(0,20...0,25) corespunzator, dupa care lichidul se elimina si sedimentul se deshidrateaza prin compresie.The invention relates to a combined process of sediment treatment, obtained by anaerobic fermentation of wastewater and can be used in the wine and food industries to treat and use waste. The process includes the use as a coagulant of the defecate, which is formed in the treatment of sugary extracts with lime, incantation of 50 ... 100% from the mass of the dry sediment, with the mixture obtained up to a pH 7.5 ... 8.5, stirring for 30… 60 min, sedimentation for 1… 2 hours, with subsequent settling, then the sediment is treated with a flocculant, namely 0.2… 0.5% polyacrylamide suture in 50… 100 mg / dm3 by introducing it gradually 2 ... 3 times, in the amount of (0,50 ... 0,60) :( 0,20 ... 0,50) :( 0,20 ... 0,25) corresponding, after which the liquid is removed and the sediment is dehydrated by compression.

MDA20060202A 2006-08-07 2006-08-07 Process for treating the sediment obtained at the sewage anaerobic fermentation MD3293G2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20060202A MD3293G2 (en) 2006-08-07 2006-08-07 Process for treating the sediment obtained at the sewage anaerobic fermentation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20060202A MD3293G2 (en) 2006-08-07 2006-08-07 Process for treating the sediment obtained at the sewage anaerobic fermentation

Publications (2)

Publication Number Publication Date
MD3293F1 true MD3293F1 (en) 2007-04-30
MD3293G2 MD3293G2 (en) 2007-11-30

Family

ID=38164587

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20060202A MD3293G2 (en) 2006-08-07 2006-08-07 Process for treating the sediment obtained at the sewage anaerobic fermentation

Country Status (1)

Country Link
MD (1) MD3293G2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD3716G2 (en) * 2008-02-04 2009-05-31 Государственный Университет Молд0 Process for obtaining a vitaminoproteic feed additive for animals
MD4192C1 (en) * 2011-04-15 2013-08-31 Государственный Университет Молд0 Process for producing a feed supplement containing vitamin B12

Also Published As

Publication number Publication date
MD3293G2 (en) 2007-11-30

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Legal Events

Date Code Title Description
FG4A Patent for invention issued
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees