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Energy Recovery

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After COP26 the current legislation has a stronger focus on energy efficiency. This requires that abatement systems should be inherently energy optimised and/or have some associated, demonstrable form of energy recovery associated with the system. This could be waste heat recovery, use of energy efficient control systems, low loss design. This can be further expanded to include renewable energy and intra-process energy as part of an higher level, over-arching energy efficiency drive or net zero carbon ethos. At ASK Piearcey Ltd we can investigate potential energy transfer and combinations with renewables to fit in with any such strategy.

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About us

ASK Piearcey Ltd is a chemical process engineering consultancy that specialises in the design and evaluation of air pollution control systems.

We also design chemical process systems, such as inorganic chemical production, torrefaction, and solvent clean-up systems, while exploring opportunities for energy recovery and optimisation where feasible. Additionally, we offer support for HAZOPs, LOPAs, and DSEAR studies.

Our Services Include:

Odour Control
Odour control is a specialised aspect of air pollution management that directly affects the public and involves complex performance measurement. ASK Piearcey Ltd employs a comprehensive approach to ensure effective solutions, which includes determining compliance and legislative requirements, investigating odour-generating processes, quantifying emissions, negotiating odour consent with authorities, and designing fume capture and abatement systems. They also develop an Odour Management Plan (OMP), oversee the tendering and procurement processes, supervise system installation, assist with commissioning and testing, and create monitoring protocols for ongoing compliance with the OMP.

VOC Abatement
Volatile Organic Compounds (VOCs) are carbon-based chemicals that exist in gaseous form under emission conditions. These compounds, including solvents and organic vapours, can be harmful to both the environment and human health, contributing to ozone depletion and causing issues such as odour and allergic reactions. Emission targets for VOCs vary depending on the process and whether the installation falls under IPPC or LAPPC regulations, typically measured as carbon in mg/Nm³. Most VOCs range from 20 to 50 mg/Nm³, while substances like dioxins and isocyanates have stricter limits. VOCs are typically managed using activated carbon or oxidisers, and advanced bio-filtration techniques are increasingly being utilised as well.

Air Pollution & Energy Recovery Systems
ASK Piearcey offers comprehensive Air Pollution Control solutions and carries Professional Indemnity insurance for design assurance. Our services include the sizing, specification, and design of scrubbers, adsorbers, bio-filters, oxidisers, and solvent recovery systems, along with PID, FDS, control philosophy, and technical report generation. We conduct gas analysis, olfactometry, smoke testing, and flow measurement, and provide project engineering, site supervision, and troubleshooting. Starting with site surveys to assess emission processes, we design effective fume capture systems and select appropriate end-of-pipe technologies for abatement. We also manage the procurement and installation of all necessary components and conduct testing and commissioning of the systems.

Our in-house engineering experience spans over 30 years and covers all key air pollution control technologies and their applications. We have worked across multiple industrial sectors, including nuclear, food, chemical, pharmaceutical, and waste management, acquiring significant expertise in tackling the various challenges of operating these processes under progressively stricter environmental regulations.

We offer unbiased advice, design, and evaluation for various schemes, including the option of zero abatement when in-process improvements are sufficient. With abatement systems ranging from £100k to £10M, we help you confidently choose the most effective route for compliance with current and future regulations.