WORK PACKAGE 5WORK PACKAGE 5

BIOLOGICAL TREATMENTBIOLOGICAL TREATMENT

PARTICIPANTS: PARTICIPANTS: Lqars Lqars Cemagref Cemagref Tratolixo Tratolixo

PERIOD:PERIOD: 1 – 24 (Months) 1 – 24 (Months)

OBJECTIVES (1/4):OBJECTIVES (1/4):

Development of a general procedure Development of a general procedure of data collection for evaluating the of data collection for evaluating the efficiency of biological treatment efficiency of biological treatment plants – BTP – (composting, anaerobic plants – BTP – (composting, anaerobic digestion - AD)digestion - AD)

OBJECTIVES (2/4):OBJECTIVES (2/4):

Data collection for several BTPs, Data collection for several BTPs, following the developed procedure following the developed procedure

OBJECTIVES (3/4):OBJECTIVES (3/4):

Modelling and simulation analyses Modelling and simulation analyses with the aim of improving the with the aim of improving the efficiency of the BTPs under studyefficiency of the BTPs under study

OBJECTIVES (4/4):OBJECTIVES (4/4):

If feasible, implementation and If feasible, implementation and assessment of some of the assessment of some of the improvement measures proposedimprovement measures proposed

METHODOLOGY /METHODOLOGY /

WORK DESCRIPTIONWORK DESCRIPTION

7 TASKS7 TASKS

Task 1 (month 1 – 24)Task 1 (month 1 – 24)

Inventory of legislation on Inventory of legislation on biological treatment operations biological treatment operations and compost and digestate use and compost and digestate use in each participating countryin each participating country

TASK 1 (1/3)TASK 1 (1/3)

1. Standards on compost and digestate use on 1. Standards on compost and digestate use on agriculture and other activitiesagriculture and other activities

  IMPOSITION OF CONSTRAINTS ON:IMPOSITION OF CONSTRAINTS ON:Inorganic and organic contaminantsInorganic and organic contaminants: heavy metals, PCBs, PAHs, : heavy metals, PCBs, PAHs,

dioxins, man made inert materialsdioxins, man made inert materialsSanitizationSanitization: pathogenic microorganisms, germinating weed seeds, : pathogenic microorganisms, germinating weed seeds,

process controlprocess controlMaturation degreeMaturation degree (degree of Rotting) (degree of Rotting)Application ratesApplication rates: amounts, periodicity, restrictions for application: amounts, periodicity, restrictions for applicationOthersOthers: minimum organic matter content, maximum water content, etc: minimum organic matter content, maximum water content, etc

TASK 1 (2/3)TASK 1 (2/3)

2. Standards on biological treatment 2. Standards on biological treatment operationsoperations

  

Concrete restrictions, e.g.:Concrete restrictions, e.g.:

Reduction in odour of exhaust air to less Reduction in odour of exhaust air to less

than 300 OU/mthan 300 OU/m33

TASK 1 (3/3)TASK 1 (3/3)

Compost Directive ProposalCompost Directive Proposal

Task 2 (month 1 – 24)Task 2 (month 1 – 24)

Inventory on existing methods Inventory on existing methods of characterisation for of characterisation for

evaluating process efficiency evaluating process efficiency and compost quality in each and compost quality in each

participating country participating country

TASK 2 (1/3)TASK 2 (1/3)

1. Methodology for evaluating 1. Methodology for evaluating process efficiency process efficiency

  

TASK 2 (2/3)TASK 2 (2/3)

2. Methods of characterisation for 2. Methods of characterisation for evaluating compost qualityevaluating compost quality

Standards with the imposition of constraints on compost Standards with the imposition of constraints on compost quality normally refer to standard methods of analysis for quality normally refer to standard methods of analysis for evaluating that quality, e.g.: evaluating that quality, e.g.:

- sampling- sampling- heavy metals- heavy metals- pathogenic microorganisms- pathogenic microorganisms- maturation degree- maturation degree

etc. etc. 

TASK 2 (3/3)TASK 2 (3/3)

Compost Directive ProposalCompost Directive Proposal

TASKS 1 AND 2TASKS 1 AND 2

Participation of other partnersParticipation of other partners

Task 3 (month Task 3 (month 22 – – 99))

Development of a Development of a characterisation and modelling characterisation and modelling

procedure for efficiency procedure for efficiency evaluation in the BTPsevaluation in the BTPs

TASK 3 (1/13)TASK 3 (1/13)

1.1. Technical description Technical description

2.2. Pre-BT efficiency evaluation Pre-BT efficiency evaluation

3.3. BT efficiency evaluationBT efficiency evaluation

4.4. Post-BT efficiency evaluationPost-BT efficiency evaluation

5.5. Quantification of energy spent in process Quantification of energy spent in process (WP2)(WP2)

6.6. Economic aspects (WP3)Economic aspects (WP3)

TASK 3 (2/13)TASK 3 (2/13)

1. Technical description 1. Technical description   

System typeSystem type Operating conditionsOperating conditions

TASK 3 (3/13)TASK 3 (3/13)

1.1. Technical description Technical description

2.2. Pre-BT efficiency evaluation Pre-BT efficiency evaluation

3.3. BT efficiency evaluationBT efficiency evaluation

4.4. Post-BT efficiency evaluationPost-BT efficiency evaluation

5.5. Quantification of energy spent in process Quantification of energy spent in process (WP2)(WP2)

6.6. Economic aspects (WP3)Economic aspects (WP3)

TASK 3 (4/13)TASK 3 (4/13)Definition ofDefinition of::

ii) parameters to be assessed in:) parameters to be assessed in:

starting material starting material material undergoing the process (BT)material undergoing the process (BT) final materialsfinal materials

ii) analytical methodsii) analytical methods (CEN methods)(CEN methods)

iii) sampling procedureiii) sampling procedure

TASK 3 (5/13)TASK 3 (5/13)

2. Pre-BT efficiency evaluation2. Pre-BT efficiency evaluation

Mechanical and / or manual separation systemsMechanical and / or manual separation systems

Starting material:Starting material: - MSW - MSW

- selective - selective collection collection MSWMSW

Final Materials: Final Materials: - biodegradable fraction- biodegradable fraction

- inerts fraction- inerts fraction

TASK 3 (6/13)TASK 3 (6/13)

2. Pre-BT efficiency evaluation (cont)2. Pre-BT efficiency evaluation (cont)

a)a) o.m. recovery efficiency o.m. recovery efficiency- biodegradable materials- biodegradable materials

b) inert materials extraction efficiencyb) inert materials extraction efficiency- man made inert materials- man made inert materials

TASK 3 (7/13)TASK 3 (7/13)

3. BT efficiency evaluation3. BT efficiency evaluation

Composting, AD systemsComposting, AD systems

Starting material:Starting material: - SSOW- SSOW

- selective collection MSW- selective collection MSW- biodegradable fraction MSW- biodegradable fraction MSW

Material undergoing the processMaterial undergoing the process

Final Material:Final Material: - compost- compost

- digestate- digestate

TASK 3 (8/13)TASK 3 (8/13)

3. BT efficiency evaluation (cont)3. BT efficiency evaluation (cont)

a) Biological stabilisationa) Biological stabilisation- volatile solids- volatile solids- synthetic and non-synthetic o.m.- synthetic and non-synthetic o.m.- Sour test- Sour test- self-heating test- self-heating test- water content- water content- pH- pH- C/N- C/N- air capacity (porosity) ??- air capacity (porosity) ??- oxygen and carbon dioxide ??- oxygen and carbon dioxide ??

TASK 3 (9/13)TASK 3 (9/13)

3. BT efficiency evaluation (cont)3. BT efficiency evaluation (cont)

bb) Contamination) Contamination- heavy metals- heavy metals- man made inert materials- man made inert materials- organic micropollutants will not be - organic micropollutants will not be

determineddetermined

TASK 3 (10/13)TASK 3 (10/13)

3. BT efficiency evaluation (cont)3. BT efficiency evaluation (cont)

c) Compost characterisationc) Compost characterisation

- previous parameters- previous parameters

- phytotocixity (germination test)- phytotocixity (germination test)

- pathogenic microorganisms (Salmonella, - pathogenic microorganisms (Salmonella, E. E. colicoli))

- N, P, K, Ca, Mg, Na, Cl, humic compounds, - N, P, K, Ca, Mg, Na, Cl, humic compounds, electric electric conductivityconductivity

TASK 3 (11/13)TASK 3 (11/13)

4. Post-BT efficiency evaluation4. Post-BT efficiency evaluation

Mechanical separation systemsMechanical separation systems

Starting material:Starting material: - - compostcompost

- digestate- digestate

Final Final mmaterials: aterials: - - “clean” compost“clean” compost

- inerts fraction- inerts fraction

TASK 3 (12/13)TASK 3 (12/13)

4. Post-BT efficiency evaluation4. Post-BT efficiency evaluation (cont) (cont)

a) o.m. recovery efficiencya) o.m. recovery efficiency- - volatile solidsvolatile solids

- - synthetic and non-synthetic o.m.synthetic and non-synthetic o.m.

b) inert materials extraction efficiencyb) inert materials extraction efficiency- man made inert materials- man made inert materials

TASK 3 (13/13)TASK 3 (13/13)

1.1. Technical description Technical description

2.2. Pre-BT efficiency evaluation Pre-BT efficiency evaluation

3.3. BT efficiency evaluationBT efficiency evaluation

4.4. Post-BT efficiency evaluationPost-BT efficiency evaluation

5.5. Quantification of energy spent in process Quantification of energy spent in process (WP2)(WP2)

6.6. Economic aspects (WP3)Economic aspects (WP3)

Task 4 (month 7– 16)Task 4 (month 7– 16)

Data collection Data collection

TASK 4 (1/2)TASK 4 (1/2)

Cover a wide range of BTPs, namely:Cover a wide range of BTPs, namely:

BTBT: composting, AD and mixed plants: composting, AD and mixed plants

Different systems for:Different systems for: - composting- composting

- AD- AD

Input materials:Input materials: - MSW- MSW

- SSOW- SSOW- selective collection MSW- selective collection MSW

TASK 4 (2/2)TASK 4 (2/2)

Separation systems for the biodegradable Separation systems for the biodegradable fraction of MSWfraction of MSW

Separation Separation systems systems fforor man made inert man made inert materialsmaterials

PORTUGAL, FRANCE, GERMANYPORTUGAL, FRANCE, GERMANY

Task 5 (month 10 – 18)Task 5 (month 10 – 18)

Data treatment and models Data treatment and models definition definition

Task 6 (month 14 – 23)Task 6 (month 14 – 23)

Calibration of the models with Calibration of the models with the treated data (task 5) and the treated data (task 5) and

simulation of several scenarios simulation of several scenarios in relation with WP7 in relation with WP7

Task 7 (month 23 – 24)Task 7 (month 23 – 24)

Proposals for improving the Proposals for improving the overall efficiency of the BTPs overall efficiency of the BTPs

studied, and possible studied, and possible implementation of some of the implementation of some of the measures proposed followed measures proposed followed

by process efficiency by process efficiency assessmentsassessments

DELIVERABLES (1/6):DELIVERABLES (1/6):

Legislation survey on biological Legislation survey on biological treatment operations, compost use and treatment operations, compost use and methods for evaluation of process methods for evaluation of process efficiency and compost quality in the efficiency and compost quality in the participating countriesparticipating countries

DELIVERABLES (2/6):DELIVERABLES (2/6):

New sets of biological treatment data New sets of biological treatment data

DELIVERABLES (3/6):DELIVERABLES (3/6):

Methodology for evaluating the overall Methodology for evaluating the overall efficiency of BTP efficiency of BTP

DELIVERABLES (4/6):DELIVERABLES (4/6):

Unit operation model for the biological Unit operation model for the biological treatment channel treatment channel

DELIVERABLES (5/6):DELIVERABLES (5/6):

Suggestions for improving process Suggestions for improving process efficiency in the BTPs under study efficiency in the BTPs under study

DELIVERABLES (6/6):DELIVERABLES (6/6):

Implementation and assessment of Implementation and assessment of improvement measures of the previous improvement measures of the previous point point