2024

Sludge dewatering a common mystery Impacted by many parameters Significant part of operation costs Most common nonconformity source Predicting sludge […]

ANAMMOX® Technology Characteristics • Concentrated Granular Biomass (Synergy AOB+AMX) • Combined partial Nitritation/Anammox (PNA) in granule • Dedicated patented biomass […]

Conclusions Long term data from full-scale installations with and without THP show robust treatment performance Sidestream treatment with Anita reduce […]

Severn Trent Reduces Digester Cleaning Costs by 35% by Atlantic Pumps Admin February 23, 2024   Typical digester cleaning regime […]

What is VecFlowTM? It’s a “vectoring the flow” that gives more gentle acceleration of the feed Minimum turbulence. Maximum performance. […]

HEADLINES • Circular Economy has become synonymous with resource recovery and is being devalued as a concept due to failures […]

Summary ▪ New technologies are available now to give existing waste sludge processes a face-lift to save money and create […]

What’s the difference between Full THP and Partial THP with sequential AD?   The Long Reach Configuration future applications: Going […]

Tarnów WWTP • Maximum flowrate: 86,400 m3/day • Average flowrate: 35,000 – 40,000 m3/day • Maximum capacity: 460,000 p.e. • […]

WHAT IS ACID PHASE DIGESTION The bacteria responsible for the first two stages prefer an environment of pH5 and a […]

Introduction • Two sites – Cog Moors and Five Fords • Traditional WwTP • Strategic Sludge Centres • THP –CambiB4 […]

What we will cover ▪ History of ITHP: Thames Water’s Research ▪ Case Study: Site description ▪ Preliminary Results Second […]

Hydrothermal oxidation (HTO), one of the Advanced Thermal Conversion (ATC) processes, has significant differentiating characteristics. Utilising a combination of temperature, […]

Outline • Thermochemical Processes on a Temperature Scale − Product Distribution • Definition of Pyrolysis Based on Primary Products − […]

TANTEC WORK ON THE INFLUENCE OF CLIMATE CHANGE ON WATER • Strategies for uncertainty • Carbon / Water Footprint • […]

Research questions 1. What resource recovery technologies can we retro fit to an existing asset to create benefit and impact? […]

• Funding awarded – £1.53M • Project plan – 18 months (September 2024 – April 2026) • Pilot scale HTO […]

Problem Statement Sewage Sludge Pyrolysis Drivers • Uncertainty around the future of sludge recycling to agriculture • Reduced volumes for […]

A sustainable alternative to sludge to-land, incineration and landfill Aligned with water industry position paper on Advanced Thermal Conversion technologies […]

Background Commercial waste sector 29 years in waste regulation Revised waste framework directive Waste exemptions review IED implementation for waste […]

Paradigm Shift: Sludge Treatment Objectives: 1. Stabilise (would be nice also if it didn’t smell.) (nice to have) 2. Pathogen […]

Methanogens are stupid … or very efficient. They don’t know they have left the AD, so they keep doing their […]

What is Biochar? • Biochar is a solid material produced by thermochemical treatment of organic materials (feedstocks) in an oxygen […]

Project objectives and outcomes “Validate Sewage Sludge Gasification as a technically and economically viable alternative to sludgeto-land, and other unsustainable […]

AST YOUR MIND BACK TO NOVEMBER 2019 • The PR19 process was coming to an end & Severn Trent’s plan […]

• Phosphate rock estimated to run out within 50-100 years [1] Agriculture Food waste Industrial waste • Our Phosphorous Future […]

EFFICIENT REMOVAL AND RECOVERY OF NITROGEN ▪ Acts on liquid waste streams with high ammonium nitrogen content ▪ Chemical nitrogen […]

Byosis Ammonia Recovery The ByoFlex technology is a ‘Air Stripping’ ammonia recovery solution designed to treat anaerobic effluent and convert […]

UK and Ireland H2 ambition • UK Hydrogen Strategy (2021) : 10 GW of low carbon hydrogen production by 2030, […]

Biopolymer Characterisation • Understanding what is in our biopolymers (MSDS) • Understanding what refinement can be done and/or is required […]

Opportunities for under-utilised biogas Why is biogas 6x more valuable when injected in the grid? Oft-heard challenges of combined heat […]

WHY DOES EPHYRA PERFORM BETTER ? ◼ Less short circuiting ◼ Better SRT distribution More VS destruction, more biogas, less […]

Introduction • Viability of biosolids to agricultural land in medium/long term? • Increased biosolids storage requirements (up to 180 days) […]

CONTENTS 1 Site Overview 2 OpsMod Structure 3 OpsMod web-app Demo 4 Optimisation Results and Scenarios 5 Benefits to date […]

Contents Introduction PR24 Business Plans and Future The Changing Sludge Process Delivery Challenges Delivery Mode Options EPC EPCm DBFO/ PFI […]

Key findings: Influence of pre-treatment on macromolecule solubilization • THP promotes solubilisation of proteins and fibres in digester feed • […]

Key factors in the recovery of biosolids to agriculture Landbank availability Water Quality impacts Nutrient neutrality Nitrate leaching Phosphorus accumulation […]

SLUDGE EFFECT – Scope of the study • Motivation : Sludge is a potential resource of materials and energy, but […]

Carbon footprint of PFAS removal from biosolids ▪ Very little work done ▪ Most studies oblivious to the environmental impacts […]

Biosolids and Soil health Rich in organic matter and essential crop nutrients. Unregulated persistent contaminants in biosolids represent a problematic […]

Electricity prices in 2007/08 extremely volatile • Increase of 225% • Further steep rises forecast YW uses approx. 500GWh/y Sewage […]

Critical Takeaways • The presence of siloxanes in sewage sludge poses a challenge to the use of thermochemical processes. • […]

ONUNDA Technology was developed in response to these environmental and health concerns and our offers an alternative bioresources treatment method […]

Recovering value from waste • Paper/cardboard waste Global 42% of wood production is used for paper products. Landfilled or incinerated […]

Huge leaks can be invisible to the human eye – This tank was next to a school Mission – Reduce […]

Anaerobic digestion enhancements provide significant benefits when compared to conventional anaerobic digestion technologies. ▪ Enhance operating performance − Increase Volatile […]

How are things Changing? Traditional Approach • Focus on DSEAR and controlling ignition sources • Emphasis on preventing air ingress […]

OVERVIEW • Background to CH4 Emissions in Severn Trent • Goals for Monitoring Programme • Technology selected for monitoring • […]

Future Proof Sludge Management Unique, easy to operate • Integrated steam-drying and pyrolysis of biosolids • Continuous and fully automated, […]

▪ Firefly process overview & commercialization plan ▪ Feedstock and HTL products: biocrude, biochar and aqueous phase characteristics ▪ OFWAT […]

PROJECT INTRODUCTION • The Microplastics & Advanced Thermal Conversion Project is part of the Chemical Investigations Programme (CIP). Funded by […]

Introduction • Growing interest in utilising Pyrolysis and Gasification as sludge thermal treatment technologies. Key drivers for interest are below: […]

Bay View WWTP Avg Dry Weather Influent • 68 MGD • 257 MLD • 750,000 PE Biosolids Treatment • 6 […]

PFAS Potential Exposure from Biosolids Direct exposure (minimal risk) Indirect exposure-drinking water-plant/animal uptake Bioaccumulation SPECIFIC OBJECTIVES At land application sites […]

HAT ARE THE HAZARDS OF INTEREST? Inputs: source-segregated green and food wastes; livestock manures & slurries • ?PTEs • ?Dioxins […]

Impact of THP on digestion • THP makes organic matter more readily available for the anaerobic digestion • Better VSR […]

What are organic manures: fertiliser derived from one or more animal, plant or human sources An example to help understand […]

Methane and nitrous oxide have an outsized climate impact ▪ Methane is short lived and high near-term impact − 27 […]

Helea® features ◼ Achieves Class A biosolids ◼ Improves biodegradability of secondary sludge ◼ Increases biogas production ◼ Reduces digester […]

The water sector is facing the difficult but imperative task to decarbonise their operations. To meet this objectives, Scottish Water […]

Wastewater Treatment Permitted Residuals • Urban Waste Water Treatment Directive (Annex 1) • During anaerobic digestion, COD is converted to […]

• Project overview & timeline • LOOP Technology • LOOP100 design & Manufacture • Site installation • Graphene & Hydrogen […]

AD as solution to anthropogenic methane Poorly managed organic wastes: Rotting wastes in landfill Untreated sewage Storage of livestock manure […]

WHY BIOCHAR PRODUCTION FROM BIOSOLIDS? Biogas production from sewage sludge has been an economical and environmental option to treat sludge, […]

What is it? • • • • • • PE of 1123 Small sewage works serving a village, Some holiday […]

Case Study • The facility is an Anaerobic Digestion (AD) plant, processing food waste and sludge materials, • Its primary […]

Neutralox utilises the process of photoionisation to remove odour UVC light is used to break down the molecular links of […]

What is a scrubber? The term refers to pollution control devices using liquid to wash unwanted pollutants from a gas […]

The H 2 S formation problem in a Nutshell Vapor phase mitigation Network conception (HRT reduction) Preventive liquid phase treatment […]

Introduction Achieving Regulatory Standards 3  European Commission’s Best Available Technique (BAT) Reference Document (2018): 200 to 1,000 ou E […]

Mission:  Reduce fugitive emissions from digesters Operating Pressure range <1 barg. Most <30mbarg ◦ Final emergency pressure relief from digesters […]

In the face of escalating regulatory, environmental, and operational demands, innovative solutions are crucial for the wastewater management sector. BI-Zen […]

Part 5, Section 82 of The Environment Act 2021 states all English water companies are required to continuously monitor water […]

The presence of micro-pollutants in water bodies has raised concerns due to their elevated concentrations, persistence, and adverse effects on […]

Nitrous Oxide (N2O) is a potent greenhouse gas (GHG) with global warming potential approximately 300-times greater than carbon dioxide. Understanding […]

SUPPLY: wastewater ammonia 500 tonne day-1 (in UK wastewater) Conventional biological treatment of ammonia produces nitrous oxide responsible for 20% […]

Biological treatment generates concentrated biogenic CO2 that is ideal for CO2 removal (CDR)1,2,3. • Enhanced weathering (EW) has emerged as […]

Nitrogen (N) and phosphorus (P) are one of the leading causes in the eutrophication of rivers and oceans. Phosphorus is […]

The increase in global population has resulted in the escalating demand in food production, contributing to vast amounts of different […]

Using process and network data alongside climate change forecasting to assess the climate resilience of Scottish Water’s wastewater treatment asset […]

Currently, energy consumed by wastewater treatment plants (WWTPs) for ammonia processing represents a significant percent the energy consumption. According to […]

Investigating the links between the nitrogen cycle and wastewater treatment As the predominant gas in the Earth’s atmosphere, nitrogen (N2) […]

Acorn Water collaborates with leading global wastewater technology providers, including key partner Moleaer Inc., to implement cutting-edge wastewater solutions. Moleaer’s […]

Acorn Water, in collaboration with global wastewater technology providers, including key partner Servyeco in Spain, serves as the UK and […]

Project Aim Baseline Carbon Analysis for works serving 100k +10K pe Market Review & Technology Evaluation 10k PE Adaptive Flowsheet […]

UK and Ireland H2 ambition UK Hydrogen Strategy (2021) : 10 GW of low carbon hydrogen production by 2030, which […]

OFWAT Innovation Fund and Water Breakthrough Challenge Fund Innovation Fund: Building the sector’s capacity to innovate Total FUND of £200m […]

CONTENTS 1. Brief History of Wastewater Treatment / Circular Economy 2. Modern Sanitation 3. Wastewater Composition 4. WINEP / UWWTD […]

Introduction Need: Provide operators with single view of how the WWPS is performing, remotely • Telemetry • Energy • Performance […]

Hydrogen is set to play an important role in decarbonisation and energy security in the UK Hydrogen- Estimated to contribute […]

Hooe WwTW This Presentation Will Include.. • Drivers and Background • What drivers were to be met and why the […]

INTRODUCTION 1. Binnies undertook work on the AMP7 WINEP OPEX studies for TWUL in 2020-2021 2. There were 5 schemes […]

Regulatory Reform: The next challenge for NI Water Northern Ireland Environment Agency (NIEA) is reforming Water Regulation in Northern Ireland. […]

Challenges in treatment and discharge of wastewater. The 3 E’s: High Energy Costs Effluent Quality GHG Emissions • Rapid ion […]

Outline new EU Directive for UWWT process intensification by MABR design rationale for MABR full-scale examples conclusions EU Directive on […]

PROGRAMOX®pilot plant• Located in La Garriga WWTP (conventional WWTP near Barcelona) • Mainstream pilot plant (HRAS + PN-AGS + anammox): […]

• Ofwat project on Alternative Phosphorus removal on rural wastewater treatment plants • Metal-based salts pose numerous drawbacks when dosed […]

Mobile Organic Biofilm (MOB) Process Mobile: The media applied to the MOB process is totally mobile and able to circulate […]

Water Industry Printfrastructure (WIP) The additive manufacturing technologies proposed by our partnership will help the water industry take major steps […]

Why We Do It Water Supply & Demand • >7 billion today, estimated 9 billion by 2050 • Water use […]

Headlines Failures resulting from a Waste Policy that focusses only on recycling should not cause us to abandon the Circular […]

Introduction  Why are we concerned about wastewater and public health?  growing population & urbanisation  impacts of climate […]

Pilot tests Aurea at WWTP Horstermeer  BACF operated with fully saturated granular activated carbon (>12 year)  Flow ~2 […]

Multiple Barrier Approach to Micropollutants Treatment Source Control Quaternary Treatment • Source control • Quaternary Treatment:  Advanced Oxidation Processes, […]

PFAS are linked to numerous health issues like cancer, liver damage, decreased fertility, blood cholesterol, increased risk of asthma and […]

Pathways of Antibiotic Residues in the Environment Linked to increase in antimicrobial resistance (AMR) (de llurdoz et al., 2022) Waste […]

SciDev and PFAS • > 7+ billion litres treated to date • First company to treat below the detectable limit […]

Agenda  Background & Challenges of SuDS Implementation  SuDS Prioritisation Methodology  Example of Typical Results  Limitations and […]

The Project  Answering UKWIR’s Big Question: How do we remove more carbon than we emit by 2050?  Water […]

Nutrient pollution • Water quality is a key concern, and many water quality problems arise from multiple sources of pollution. […]

Presentation Contents • Introduction to California Energy Commission Project • Overview of Advanced Primary Treatment • Advanced Primary Treatment Summary […]

Context 88% reduction in P from STWs since 1995 (EA. 2019). >900 P removal schemes in AMP 7 but… 45% […]

£200 million Innovation Fund to help the England & Wales water sector grow its capacity to innovate and better meet […]

Northumbrian Water’s Environment Strategy • Our Howdon Journey so far • NWL AAD Returned liquors – how big is the […]

Industry Challenges • Tightening P consents • Higher capital investment and higher dependency on chemicals • Nature-based-solutions are not always […]

Site Introduction  Walsall Wood STW was a trickling filter site discharging into the Ford Brook, part of the River […]

How do we feed the world? How do we water the world? How do we do both whilst mitigating and […]

Emerging demand for zero-carbon ammonia (NH3) fuel 183 Mt yr-1 demands 4% global natural gas Sustainable ammonia recovery from wastewater […]

Big questions are the only questions How do we feed the world? How do we water the world? How do […]

Sampling and Modelling for Nitrogen Removal Sites Composite and diurnal sampling of influent, settled sewage and effluent BioWin modelling was […]

Risk based site selection Risk factors selected based on ‘available data’ for many sites Identified Risk Factors and Assigned Significance: […]

UWWTD RECAST AND OTHER INSTRUMENTS https://www.europarl.europa.eu/doceo/document/TA-9-2024-0222_EN.pdf In order to ensure a proper and safe recovery of nutrients, including the critical […]

PHOSPHATE – A CRITICAL AND FINITE RESOURCE • In 2023 total global phosphate reserves were put at 74bn tonnes • […]

Presentation aim Highlight the importance of systems thinking when evaluating resource recovery from the urban water/wastewater cycle. Agenda Background of […]

Our monitoring campaign • Committed to a triple pledge that by 2030 we will achieve net zero carbon emissions, 100% […]

Lessons from a Dutch perspective Accelerate: by learning from others via learning by doing start measurements and mitigation tomorrow! Work […]

Greenhouse gases and wastewater treatment Process Emissions make up 70% of our reported direct emissions Nitrous oxide (N2O) GWP 298* […]

N2O emissions occurs in almost all steps in N-removal as an intermediate Top 3 reasons for emissions: Strong fluctuations influent […]

The 3 factors driving N2O Influent Technology and Design Operation How? Measurement approach Strategy to achieve N2O reduction Modelling approach

CSO High-Rate Treatment is not New 30+ operating in US since 1995 60+ operating worldwide Benefits Minimize pathogen risks Better […]

Agenda 1. Climate Change in Scotland 2. Scottish Water’s Wastewater Asset Base 3. Scottish Water’s Wastewater Climate Resilience Strategy 4. […]

Marske, SO state • There are 39x SOs at the entire Marske catchment • 11x AMP8 and 2x AMP9 investment […]

Current Challenges • Storm overflows • Public perception and environmental impact • Static screen blockages, maintenance & H&S challenges Norag […]

Harnessing the POWER OF AI to help Wastewater Utilities better manage their networks. AI TO DETERMINE UNDERLYING CAUSES & SEVERITY […]

Ampleforth Village STW: AMP 7 Storm Overflow Programme Q1 2023 Stantec supported YWS in SOAF Stage 1 root cause assessments […]

Abstract Net Zero remains a significant challenge, with emissions in the water industry amongst the highest of all UK sectors. […]

Abstract In wastewater management, Nature Based Solutions (NBS) is an emerging approach and fast becoming an essential consideration. However, the […]

Abstract In this paper, we discuss the development and utilisation of an automated method of prioritising sites for SuDS implementation […]

Abstract Tightening permit levels on phosphorus has led to a need to gain a better understanding to the processes and […]

Abstract Micropollutants, present in effluent from municipal wastewater treatment plants (WWTPs), may affect the aquatic environment. The environmental impact of […]

This white paper explores the significant impact of digital solutions on the operation of wastewater treatment plants, with a specific […]

Abstract Reducing N2O emissions from wastewater treatment is important to achieve the water industry’s net zero commitments. Mechanistic modelling is […]

Abstract Oxidation and adsorption processes or a combination of both have proven to be suitable for the reduction of trace […]

DCWW APC project context Now: Driven by energy. DCWW energy targets: Waste business ~250 GWh / year consumption Blower opportunity […]

WATER INDUSTRY CHALLENGE – Monitoring quality of water potentially affected by discharges Part 5, Section 82 A sewage undertaker whose […]

Abstract N2O production is a complex and variable process because the range of prokaryote genotypes and phenotypes that drive it […]

Introduction The advanced stripping technologies engineered by Byosis – ByoFlex® and ByoNix® – are specifically designed to remove ammonia from […]

The advantages of electrocoagulation • No potable water requirement • No safety shower • No storage tank with bund • […]

Phosphorus Removal Trials WW Site A, 3 filters of 2.0m dia. <0.1 mg/l TP <0.1 mg/l TP <0.3 mg/l TP […]

Scottish Water Horizons at Bo’ness WwTW • Development Centre for Wastewater • Operational site on Southern shore of the Forth […]

Addressing Significant Industry Demand for Screening CSO’s/Stormwater Overflows in AMP8 Our drive for standardisation of screens & screens & new […]

Abstract Following the significant storm overflow discharge reduction challenges that have been set by regulators, digital solutions and process automation […]

Organisations in high risk industries, such as water supply and wastewater management, gather large volumes of structured and unstructured data […]

Sources of methane Process elements after digestion are major source of methane emissions Methane can be captured and utilised Impact […]

A combination of network monitoring equipment with a cloud-based data platform and expert advisory analysis and management services. Performance Alerts […]

Introducing MBBR … A fixed film process Provides robust and reliable wastewater treatment Allows higher volumetric loading than trickling filters […]

Why N2O InSites? We know N2O is highly dynamic, varies across and within lanes, seasons Long term measurement is best […]