Training

Digester operation and making the most of the digestate: WASTES

9 June 2020, The Studio, Leeds

1-day course, Leeds

Times:   9:30 AM – 4:30 PM

Fee:       £395 (includes slides presented)

Course Overview

There are around 500 plants digesting a range of feedstocks including food, crops and manures.  The biogas produced is a renewable energy source and can be used to generate electricity and heat or converted into biomethane for grid injection, whilst the biosolids produced are largely applied to land as whole digestate.

Operators and managers are faced with the challenges of balancing gate fees with increasing energy production whilst minimising the costs associated with digestate disposal/recycling.  There are many factors that influence the financial balance and this course provides operators, managers, designers and engineers with real life examples of digestion of different materials, successes and failures.

This course is aimed at operators, optimisers and managers, farm managers and agronomists involved in waste digestion.

Course Aim

Each tonne of waste (on a dry, not fresh weight basis) contains 4-10 MWh of energy, depending upon its composition.  The quantity recovered is a function of the digestion process, asset condition and quality of feedstock.  The digestate produced is both a cost to handle and an opportunity to recover nutrients and produce a quality product.

This course is designed to help attendees understand and act upon the factors that influence biogas production, sludge dewaterability, compliance, cost and revenue generation.

Learning is delivered through a combination of lectures, case studies and worked examples.

Course Programme

  • The different phases of AD & key terms
  • Metrics for digester operation including VFA: alkalinity, hydraulic retention time, organic loading rate and rate of volatile solids destruction
  • Feedstocks for AD – food waste, green waste, agricultural waste
  • Trace elements and other additives
  • Dry AD configuration and operation
  • Common operational problems & solutions including foaming and inhibition
  • Quality, regulations and assurance: including BCS, PAS110 and ADQP
  • Hazard & Critical Control Point Planning (HACCP) and its role in digestate quality management

Trainer Profiles

David Tompkins PhD, BSc, MISoilSci

Head of Knowledge Exchange & Innovation

David is a soil scientist with almost two decade’s experience in biowaste treatment through aerobic and anaerobic routes.  He heads the Knowledge Exchange team at Aqua Enviro, providing technical support across a number of sector-leading conferences, as well as delivering technical consultancy on biosolids, biowaste and bioresource management – with a particular focus on product quality, safety and acceptability.  David routinely presents at industry-facing conferences and is a member of several CIWM and ADBA committees – as well as the Biosolids Assurance Scheme stakeholder committee.  Recent projects include: PAS110 support for AD facilities; hazard assessment and management in wastewater treatment; strategic bioresources’ management; development of novel decentralized, sustainable wastewater treatments.

Dr Maryam Kabir

Senior Anaerobic Digestion Specialist

Maryam obtained her PhD in the field of Anaerobic Digestion. Her focus was the use of novel feedstocks and their pre-treatment techniques. Prior to joining Aqua Enviro, Maryam gained hands-on experience working on a commercial food waste AD plant near Leeds, UK.  Her role included commissioning, feedstock management, operation and process optimization of the AD plant, as well as provision of analytical tests for other AD plants on a commercial basis. Maryam’s expertise is in the provision of operational support, process control and feedstock optimization for food waste and farm fed AD plants.

Please note that cancellations are accepted up to 30 days prior to the training event and there is no refund for non-attendance.

Book your place

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Cost per person
£395 (ex. 20% VAT)

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Clare Hunter

Event and Communications Planner

clare.hunter@aquaenviro.co.uk

01924 257891

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