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Feedstock mixture design in anaerobic co-digestion to maximise resource recovery potential
Mike Meng is currently working as resource recovery engineer at Queensland Urban Utilities in Australia leading multiple resource recovery initiatives and R&D projects . Mike has obtained a chemical engineering PhD on anaerobic co-digestion from the University of Queensland and has strong interest in applying expertise to water industry applications for achieving circular economy outcomes.
Mike enjoys wastewater and waste education through knowledge sharing, evident by 5 years of teaching for undergraduate courses “Industrial Wastewater & Solid Waste Management” and “Process Control and Synthesis” at the University of Queensland. An immediate past member on the Australian Water Association Young Water Professional Committee, Mike is passionate about driving a positive change in the committee through participation in mentoring and leading student engagement activities. Mike’s goal is to keep developing engineering expertise and leadership in water and organic waste management and assist Water Utilities in transitioning to full spectrum of resource recovery implementation.
Anaerobic co-digestion (AcoD) is an established technology typically applied to water and agricultural industries to redirect organic wastes away from landfill for beneficial reuse. In AcoD, designing co-digestion mixtures to ensure optimal digester performance and effectively manage co-digestion products is important. In the presentation, Mike will share his PhD research outcomes and practical experience around co-digestion mixture design and operation at one of Australia’s largest sewage treatment plants (STPs).
Currently, in the Australian water industry, there is emerging and strong interest in co-digestion at sewage treatment plants (STPs), which redirects commercial trade wastes away from the landfill for beneficial reuse. AcoD is a biochemical engineering approach that simultaneously treats two or more waste streams in a centralized digestion facility for enhanced energy recovery and enables circular economy outcomes.
Designing co-digestion mixtures for optimised digester performance was a knowledge gap in research as well as in practical application. This means selecting compatible feedstocks at the right volumes with optimal feeding strategies for digesters needs to be understood and incorporated into specific digester operating scenarios.
Co-digestion of complex solid wastes such as fat, oil, grease and food waste with sewage sludge is a step change for many water utilities in Australia and hence requires a series of technical and organizational barriers to be overcome. Developing in-depth understanding of the co-digestion process, its associated downstream impacts, and meeting additional infrastructure requirements for co-digestion are important. In particular, organic waste characterization, co-digestion mixture design, and co-digestion product management are some key areas many water utilities’ waste-to-resources initiatives are currently focusing on. As part of the presentation, Mike will also give an overview of some of the resource recovery initiatives Queensland Urban Utilities are undertaking and how he is using research findings to assist the organisation in the resource recovery space.
You can watch a recording of this event here:
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WasteWater Education online events are underwritten by the WWETT Show – (Water & Wastewater Equipment, Treatment & Transport) as a public service and thank you to all the hard working professionals affected by the current Covid 19 emergency.
There is no fee to attend but all US based donations to https://www.paypal.com/fundraiser/charity/1727628 will help us continue to provide this service.
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Small on-site domestic wastewater treatment systems – an Australian perspective .
Monday, June 1, 2020 7:00:00 PM EDT – 8:30:00 PM EDT
(June 2: 8.30 AM Australia)
While much of the developed world has high rates of population connectedness to centralised sewerage and wastewater treatment, the need to deliver effective on-site sanitation via small domestic wastewater treatment systems remains essential for public and environmental health protection.
This webinar will begin with an introduction to decentralised wastewater treatment, followed by a survey of the landscape of standards/regulations governing on-site wastewater systems performance certification internationally, with a focus on the relevant Australian context. It will then provide an overview of an Australian on-site wastewater treatment systems performance accreditation testing facility currently operating in South Australia, including an account of the facility’s operation, a description of some of the treatment systems being tested and their performance, and will give some stories of problems encountered and lessons learnt along the way.
Dr Michael Short, University of South Australia, is an environmental scientist with research expertise in urban water systems (water quality, wastewater treatment and water recycling), environmental microbiology and microbial ecology, sustainability and life cycle assessment. He has a keen interest in how environmental science can be applied to inform the development of better environmental management policy.
Presented by Ben Kele, Arris Water, and WasteWater Education 501(c)3.
See: https://www.arris.com.au/water/ This is the fourth in a series of events from Australia we are hosting in May.
To view recordings of the previous events click on the images below:
Greater Lakes: Reconnecting the Great Lakes Water Cycle is pleased to release A Practical Guide to Implementing Integrated Water Resources Management & the Role of Green Infrastructure.
Environmental Consulting & Technology, Inc. developed this guide for our project. Its aim is to help municipalities that are considering implementing integrated water resources management to gain an understanding the value of and what is involved in creating an IWRM plan. The Guide provides a description of the planning steps to go through, a summary of the type of information that should be considered, and a series of questions that can guide a municipality to a logical position. The guide puts a particular focus on the role of green infrastructure in IWM. The Guide can be found on the Greater Lakes project at http://glc.org/files/GreaterLakes-ECT-IWM-How-To-Guide-Final-20160510.pdf.
Every Body Deserves A Decent Throne:
Crossing the Sanitation Divide – Past, Present and Future.
Six session seminar series provided at no charge through Google Hangouts On Air.
Session 1. 10- 10.45 am ET
Dendra Best will look at the history of sanitation in the US and how that has shaped the technology of infrastructure ever since.
Session 2. 11 – 11.45 am ET https://plus.google.com/events/c2j07kdvnstis05ijsmkidjhip0
Patrick Lucey – why traditional infrastructure is now unsustainable. His bio can be found at the aqua-tex.ca web site.
Session 3. 11.50 am ET – 12.40 pm ET
Patrick Lucey – successful case studies of sustainable integrated water systems from Canada and the US.
Break for Lunch
Session 4. 1.30 – 2.30 pm ET
The reality of Sierra Leone and Guinea – Derek Reinhard and the work of DeeperMissions.org
The theme for Environmental Health Day 2014 is inequality of access. Not only does DeeperMissions work in one of the poorest regions in west Africa, it now has to deal with the massive Ebola epidemic
Session 5. 2.40pm ET – 3.20pm ET
Patrick Lucey. A better future: how to export 21st. century knowledge not 19th century thinking.
If the problem is massive, is this the time to rethink how we provide basic sanitation and clean drinking water systems both here in the West and in developing countries? The environmental, weather and financial climate is a whole new ball game from when most of these technologies were the norm. What kind of legacy are we creating for our children or grandchildren if we keep on doing the same thing?
Session 6. 3.45pm ET – 4.30pm ET
CollaborativeWaterSolutions.com Team – relevance to both small rural communities in CA and the US as well as Haiti, Africa and S. America.
Culture, demographics, access to support structures and expertise – all play a vital role in ensuring whatever is proposed as the ‘ideal’ solution will actually be feasible AND workable in the long run. So often planning is something that is done TO a community not WITH it.
Collaborative Water Solutions was created to build on the stellar work done by Water Environment Research Foundation where a team developed the Small Community Decision Making Tool to help local leaders determine their own best options for wastewater service.
EPA is pleased to announce a brand-new webcast series on implementing green infrastructure. This page provides information on the 2014 webcast series, as well as links to archived webcasts and a summary of certification programs. To be added to a mailing list for additional training opportunities, please send an email to email@example.com.
|First Webcast: January 7th, 2014
1:00pm – 2:30pm EST
O&M and Green: