New research projects for improved regulatory modelling
Organisations which protect air quality need rapid and robust ways to assess the pollution impacts of industrial activities. The UK Department for Environment, Food & Rural Affairs (Defra) and the Environment Agency (EA) commission research to improve regulatory modelling techniques. CERC are working on several research projects for both organisations as part of Defra’s Research Development & Evidence Framework Agreement, in collaboration with Air Quality Consultants (AQC).
It is important to quantify landfill emissions of methane, a powerful greenhouse gas, but difficult to make accurate and representative emissions measurements. CERC are exploring inverse modelling methods for estimating landfill methane emissions from concentration measurements in two linked projects for the EA. These aim to better understand variations in methane releases and to recommend methods for combining measurements with modelling, to improve ongoing assessments of landfill emissions.
CERC and AQC are collaborating on an EA funded study of established and developing air quality assessment methods which use modelling, monitoring and integrated techniques. The aim is to identify aspects of air quality assessment where new research would be valuable. This includes defining preparatory work for new approaches and providing a strategy for future research funding. The project team investigated the opinions of key experts in the field through recent workshops and individual interviews.
Carbon capture and storage technologies are being developed to reduce the climate change impacts of combustion processes. Amine chemicals used to remove carbon dioxide from exhaust gases can be released to the atmosphere in small quantities, potentially creating harmful products (nitramines and nitrosamines) through chemical reactions. CERC previously developed ADMS to model amine chemistry. For ADMS 6 this module has been extended to model multiple types of amine and associated products simultaneously. With support from Defra, CERC are investigating sensitivities of the ADMS amine modelling and developing a tool to calculate the chemical properties for a wide range of amines.
Air pollution screening methods use simple estimates of impacts to assess whether more detailed modelling is needed. CERC have a leading technical role in an EA funded project to improve screening techniques for small industrial sources. These sources have release heights up to 20 m above ground and are often affected by nearby buildings. CERC are also reviewers in a project for the EA assessing air quality impacts from intermittent generator testing activity.
We look forward to sharing project outcomes with the air quality modelling community.
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