Technology for N&P recovery as compost starting from vegetable, fruit and garden wastes with "IOK Afvalbeheer" anaerobic digestion and composting process (ID:271)

Input material
vfg-waste (vegetable-fruit-garden waste) – Vlarem- conform – including kitchen-waste, green waste (from parks, public domain,..)
Output product
vfg-compost
Processing capacity
25.000 ton vfg-compost/y
Technology Status
Available on the market
Keywords
digestion
composting
biomethane
hygenisation
recuperation NPK and C
Technology description

Technological elements of the recuperation proces at IOK site are:

  • shredder and crane
  • paddle wheel
  • conveyor belts
  • drum sieve (with 2 sieves)
  • Dranco dry thermophilic anaerobic digester (OWS)
  • CHP engines (Jenbacher), and
  • membrane technology (Bright Biomethane)

Pre-digestion allows for a energy carrier biogas and/ or (upgrade to) biomethane to emerge besides creating a digestate. The minerale-rich digestate is used a base for a second organic treatment phase which is adding of fresh  organic  matter  (green  waste)  and  starting  a  composting  process,  aka  biological  aerobic  breakdown  and stabilisation  of  organic  matter  through  a  variety  of  microorganisms.  This  aerobic  phase  is  a  controlled  (= measuring  temperature  and  moist,  turning,  forced  aeration,  and/or  increasing  water  content)  transformation proces in, an open or closed environment, that mimics the natural conversion process from organic matter to humus  in  the  soil,  humification.  During  the  composting  process,  biodegradable  organic  material  is  converted mainly into carbon dioxide, heat, minerals, water and stable organic material. At the end of the maturation phase about the compost represents 1/3 to 1/2 of the weight of the treated inputs.  The temperatures achieved by the microbial activity allow for the hygienisation of the end product. Composting/compost in Flanders is among the most highly monitored and appreciated in the EU.  Allowed input for green composting is selectively retrieved waste.     

Linked Product: Compost from green waste and pre-digested vegetable, fruit and garden wastes by "IOK Afvalbeheer" process, ID:272

 

Basic information

Vendor:
Country:
Belgium
Technology main category:
Biological nutrient recovery: composting, anaerobic digestion, microalgae technology
Technology subcategory:
Anaerobic digestion + composting

Languages

Summary:

Technologie zur N & P-Rückgewinnung als Kompost ausgehend von Gemüse-, Obst- und Gartenabfällen mit anaerobem Aufschluss- und Kompostierungsprozess “IOK Afvalbeheer“

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Summary:

Technologie de récupération d’azote et de phosphatesous la forme de compost à partir de déchets végétaux, déchets de fruits et déchets de jardin avec un processus de digestion anaérobie« IOK Afvalbeheer »  et de compostage 

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Tecnología para la recuperación de N y P en forma de compost procedente de vegetales, frutas y residuos de jardín mediante el proceso digestión anaerobia y compostaje “IOK Afvalbeheer” 

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Tecnologia per il recupero di N&P come compost a partire da rifiuti vegetali, di frutta e di giardino mediante il processo di digestione anaerobica e compostaggio “IOK Afvalbeheer” 

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Technologie voor N&P-terugwinning uit groente-, fruit- en tuinafval met productie compost d.m.v. het "IOK Afvalbeheer" anaeroob vergistings- en composteringsproces 

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Technologia odzyskiwania N&P jako kompostu zaczynającego się od odpadów warzywnych, owocowych i ogrodowych z beztlenowym procesem trawienia i kompostowania „IOK Afvalbeheer”

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N&P komposzt kinyerésének technológiája növényi, gyümölcs- és kerti hulladékokból „IOK Afvalbeheer” anaerob fermentációs és komposztálási eljárással (ID: 271)

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