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Source: N fotos materialien kompost

The story of composting

Komptech GmbH, We 2011

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Introduction

1. The Market for composting

1.1. Competitors

1.2. Input Materials

2. Operation of a composting plant

2.1. Standards

2.2. Processes

2.3. Case Stories

3. Machines for composting plants

Attachment: Fermentation

The Story of Composting

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1. The Market forComposting

1.2. Input Materials

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Green waste

Source: Basic 02/2009 Composting

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Green and kitchen waste

Source: 0403_Schuh

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Kitchen waste

Source: 1005_Biogas Kassel.ppt

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Kitchen waste

Source: 0701_Composting EU Adelaide.ppt

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Seweage sludge

Source: aka/plants/AT-Markgrafneusiedl/composting plant

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2. Operation of a Composting Plant

2.1. The Standards

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Source: 0701_Composting EU Adelaide.ppt

Standards

1. For the Landfill: Directives, taxes or separatecollection directives

2. For the compost: Quality Assurance Systems

3. For the treatment: Regulations for the treatmentitself, for the emissions and for any authorization

§§

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1. EU Landfill Directive

Reduction of biogenic organics to landfill related to 1995

75% till 2006

50% till 2009

35% till 2016

Prolongations for some members (GB, GR, IR, IT of EU15)

Source: 0701_Composting EU Adelaide.ppt

§§

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2. Compost quality assurance systems I

Source: 0706_Deponie-MBA-St.Peterburg.ppt

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2. Compost quality Assurance Systems IIAustria Fully establish quality assurance system

Belgium Fully establish quality assurance system in the Flanders region, theWallonia and the Brussels region will probably follow.

DenmarkJust started with quality assurance system for compost (Criteria,standardised product definition, analysing methods)

FranceProposal for quality criteria, Research program for a qualitymanagement system

GermanyFully established quality assurance system for compost anddigestion residuals

Italy Successful source separation system

Luxembourg Some plants according to German Quality Assurance System

Netherlands Fully established quality assurance and certification system

Spain Proposal for "Bill on the Quality of Compost" in Catalonia

SwedenJust started with quality assurance system for compost and fordigestion residuals

UK Proposal of quality standard by the Composting Association TCA

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2. Individual compost quality demands

Source: M:\Abt_011\Grafiken\01_Prospekte\01_Prospekte\03_Mobilmaschinen\2008\Links

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3. Treatment standards

Emissions

- odour (odour units)

- acoustics (dp(A))

- dust

Hygienisation- e.g. 3 days >65°C

Water management

- leakage water

- rainfall, e.g. 1.000 mm/a

- water balance + or -Source: DE Buettelborn 2003

Source: X53 Einsatz Cancha de Secado

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2. Operation of a Composting Plant

2.2. Processes

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Principal steps of composting

Shredder

Windrow turner

Screen

Mixer

Tunnel composting

3-fraction screen

Wind sifter

main process

options Ioptions II

Magnet

Loader

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Design of a composting plant

Source: sales\MBA-RDF\Markgrafneusiedl

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Typical gate fee for organic wastes to be composted in AT and DE

- 25 €/ton for yard waste

- 35 €/ton for seweage sludge

- 40 €/ton for separate collected organic waste from households

Economy of a composting plant

Open composting plant for 20.000 tons of organic waste per year

Costs/year -130.000 € installments (for 5 years, total investment

760.000 €, 5% interest)

-340.000 € operation costs

Incomes/year +600.000 € for waste (30 €/ton)

_________ no incomes from compost sales

Gains/year +130.000 €

Source: Denver/operation cost sheet-101102

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2. Operation of a Composting Plant

2.3. Case stories

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Composting plant Santa Rosa, CAL

Source: aka\plant\USA-videos\L2

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Composting plant Röthelstein, AT

Source: N\Anlagen\Cemex-Transbeton 2010

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Simple closed composting systems

Mutterstadt, DE

Source: 0701_Composting EU Adelaide.ppt

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Composting plant Goch, DE

Source: aka\plants\DE Goch

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Closed tunnel-composting, Frohnleiten, AT

Source: 0701_Composting EU Adelaide.ppt