

The purpose of the treatment is to obtain a microfiltered phase of the digestate (or livestock slurry or sewage sludge), with particles smaller than a few microns (usually 25-50 microns), so that it can be used in mixture with irrigation water even in irrigation systems with drippers or small nozzles. By-products of the treatment are a solid palable fraction and a dense fraction but the largest proportion of the raw digestate becomes microfiltered phase (both in weight and volume). Electric current for separation and microfiltration of digestate is almost 25-30 A. No water is used in the digestate treatment. Microfiltered digestate is then injected in the irrigation water line and distributed by means of drip lines. This permits to save water and energy compared with the usual sprinkler irrigation.
Basic information
- Name: CRPA - Centro Ricerche Produzioni Animali
- Vendor website
Languages
Technologie zur N-Rückgewinnung als mikrofiltrierte Aufschlämmung/Gärrest/Schlamm ausgehend von Rohschlamm/Gärresten/Klärschlamm mit Mikrofiltrationssystem.
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Technologie de récupération d’azote sous la forme de suspension microfiltrée / digestat / boue à partir de lisier brut / digestats / boues d'épuration avec un système de microfiltration
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Tecnología para la recuperación de N en forma microfiltrado de fangos, digestatos y lodos de EDAR procedentes de fangos, digestatos y lodos de EDAR crudos mediante un sistema de microfiltración.
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Technologie voor N-terugwinning uit ruwe drijfmest/ digestaat / rioolslib met productie van microgefiltreerde drijfmest/digestaat/slib d.m.v. een microfiltratiesysteem
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Technologia odzyskiwania N w postaci mikrofiltrowanej zawiesiny / pofermentu / szlamu, zaczynając od surowej gnojowicy / pofermentów / osadu ściekowego z systemem mikrofiltracji
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Mikroszűrt iszap / fermentált anyag / iszap N-kinyerés technológia szennyvíziszapról mikroszűrő rendszer eljárással
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