Atmospheric Chemistry PhD: Carbon-Capture Amines and Air Quality

Atmospheric Chemistry PhD: Carbon-Capture Amines and Air Quality

Quick Decision

Assessment: Strong but verify fit. This University of York atmospheric chemistry PhD asks how amine solvents used in post-combustion carbon capture change after emissions, which secondary pollutants may form, and how that chemistry can be represented in air-quality models. The advertised work is unusually concrete: analysis and design of atmospheric-chamber experiments, a chemical-metrics database, reaction-mechanism development, box modelling, scenario-based impact modelling and policy briefings. York's WACL/NCAS environment, supported by its atmospheric chemistry group, and the named collaborators at EUPHORE, Oslo, DEFRA, the Environment Agency and CERC fit that cross-disciplinary scope. The advertised YES-DTN award is a 3.5-year stipend and fee-funded studentship, with a closing time of 13:00 GMT on 12 January 2027. Before investing in an application, check the conflicting published opening dates, international award availability if relevant, the stipend and travel/research-cost terms for October 2027, and the actual balance of experimental, modelling and policy work. The project is designed to investigate uncertain pathways; no pollutant, exposure or health outcome should be treated as already established.

Research Problem and Doctoral Work

Amine-based solvents capture carbon dioxide in some post-combustion systems. The project focuses on a separate environmental question: what happens to amines that leave the process and enter the atmosphere? The official project description asks which secondary pollutants form and in what proportions, how solvent structure affects atmospheric lifetime and product distribution, and how the resulting chemistry can be represented in models used for regulatory assessment. The original project description also warns that amines may form carcinogenic, mutagenic and toxic compounds during degradation or atmospheric processing. These statements are research motivations and questions, not findings already verified by the proposed PhD.

The advertised work has several linked parts:

1. Design and analyse experiments performed at the EUPHORE atmospheric simulation chamber in Valencia, working with its researchers on photochemical data for a range of amine precursors.
2. Build a database of chemical metrics from existing laboratory, theoretical and chamber studies.
3. Develop amine reaction mechanisms for potential inclusion in York's Master Chemical Mechanism (MCM), then evaluate them against experimental evidence using chemical-process box modelling.
4. Model the geographic extent of potential impacts from carbon-capture installations under different future deployment scenarios.
5. Produce policy briefings and engage with the Environment Agency, DEFRA, CERC and atmospheric chemists, with some European collaboration and travel opportunities.

This sequence moves from source chemistry and evidence quality to atmospheric fate and model representation. A key research challenge is that “amine emissions” are not one uniform mixture: chemical structure, plant conditions and atmospheric context can change the source term and subsequent reactions. A Danish MEA pilot study, for example, reported low nitrosamine and nitramine emissions under the monitored conditions, while a comparison of 29 capture amines found structure-related differences in oxidative degradation and ammonia emissions. A field study in a particular Chinese winter setting also found amines in fine aerosol and discussed atmospheric processing. These studies establish context and variability, not a risk estimate for proposed UK facilities. A central value of the PhD would be to improve the evidence and modelling needed to assess such cases, while keeping uncertainty visible.

York's Master Chemical Mechanism is a near-explicit gas-phase mechanism used for research on emitted volatile organic compounds and air-quality questions. Its construction guidance describes how evidence for unstudied reactions may rely on carefully justified analogies and structure–reactivity relationships. That makes database quality, mechanism evaluation and uncertainty handling important research work, not administrative preliminaries. The proposed addition of amine chemistry is future work; the current mechanism should not be described as already covering the project's planned outcomes.

School, Programme and Field Context

The project is hosted by the Department of Chemistry at the University of York and places the student in the Wolfson Atmospheric Chemistry Laboratories (WACL). The York atmospheric chemistry group and WACL pages identify York as the university and describe WACL as a University–National Centre for Atmospheric Science (NCAS) collaboration. The project page names University of Oslo as a collaborator for amine photochemistry, EUPHORE in Spain for chamber research, and DEFRA, the Environment Agency and CERC as policy/regulatory or modelling partners. These roles do not indicate a joint degree: the reviewed project information names York as the host, and does not identify another degree-awarding university.

The environment aligns well with a project spanning atmospheric measurements, aerosol chemistry, mechanisms and modelling. York describes an atmospheric chemistry group working across laboratory and field measurements, theory, gas and aerosol processes, emissions and air quality. WACL reports around 70 researchers from ten academic groups and NCAS, with shared measurement, modelling and technical expertise (WACL overview). This is a substantial research ecosystem for a focused doctoral project, though the pages do not specify the student's access schedule, instrument allocation or supervisory meeting arrangements.

As research signals, York reports that Chemistry was a UK top-ten department in the Times Higher Education analysis of REF 2021, with most submitted research and impact rated 4-star (York REF 2021 results). QS World University Rankings 2027 places York =158 overall (QS York profile). The REF result is the more subject-relevant indicator; the QS position is university-wide. Neither ranking evaluates this individual PhD's supervision or predicts a student's outcomes.

Supervisor and Lab Assessment

The official project page names Dr Andrew Rickard as primary supervisor, with Professor Jacqui Hamilton and Dr Sarah Moller as academic supervisors. Rickard's York profile describes his work on atmospheric chemistry mechanisms and modelling; it also notes his role in NCAS's Composition Directorate. Professor Jacqui Hamilton's profile focuses on aerosol chemistry, emissions and air quality and specifically says her group is investigating possible nitrosamine formation from amines used in post-combustion carbon capture. Moller's York profile describes her work at the interface of air quality, policy and science communication. This combination maps naturally to mechanism development, aerosol/environmental questions and regulator-facing outputs.

Three recent papers help assess capability, with important limits:

• A 2024 perspective co-authored by Rickard, “Challenges and needs of tropospheric chemical mechanism development”, discusses the data, transparent construction and evaluation required for reliable mechanisms. It informs the project's model-development challenge but is not an amine-specific result.
• A 2025 York-associated study, “The importance of burning conditions on the composition of domestic biomass-burning organic aerosol and the impact of atmospheric ageing”, examines source conditions and composition changes in chamber/aerosol research. It supports the team's adjacent experimental and analytical expertise; biomass chemistry cannot be transferred to carbon-capture amines.
• A 2023 York-linked paper, “Atmospheric oxidation of new ‘green’ solvents - Part 2: methyl pivalate and pinacolone”, studies atmospheric oxidation of two other solvents. It is a useful methodological analogue for solvent-specific atmospheric transformation, not evidence of amine products or lifetimes.

Two other independent studies sharpen the problem framing: a process-side MEA pilot study and the 2024 comparison of capture-amine structures. Their differences reinforce that the source and solvent matter, but neither predicts the project results. During contact or interview, ask how the supervisors plan to select the initial amines and scenarios, how much of chamber work is direct participation versus design/data analysis, and how work is coordinated across York and external partners.

Funding, Application, and Living Cost

The YES-DTN programme advertises a 3.5-year personal stipend at UK Research Council rates, university fees, and support for research costs, fieldwork, training and conference travel. Its FAQ says the programme covers the home/international fee difference for funded students. Its application information also describes about seven international funded studentships per year, so “students worldwide” means international applicants may apply, not that every project has an unlimited international award. The exact 2027 allocation and whether this particular project can be assigned to an international award should be confirmed. The programme says relocation, visa and health-surcharge costs are not covered (YES-DTN FAQ).

UKRI's published 2026/27 minimum stipend is £21,805, and the minimum fee benchmark for that year is £5,238. These figures are reference points, not the confirmed amount for a student starting in October 2027; the 2027/28 stipend was not available in the reviewed material. The programme lists a 3.5-year award and an optional three-month placement route may extend some studentships, according to its FAQ; whether that applies to this project is not stated. The exact research-cost allocation and travel funding for EUPHORE/Oslo are also unknown.

York's 2026/27 postgraduate accommodation examples are £186 a week for a shared-bathroom room (£9,486 for 51 weeks) and £206 a week for an ensuite (£10,506 for 51 weeks), with bills included. Relative to the 2026/27 stipend benchmark, rent alone is about 44–48% before food, travel and personal costs. York's living-cost guidance notes that private-rent bills and travel may add expenses. Housing availability and prices for 2027/28, and the stipend for that year, remain unknown, so use the current figures only as a planning baseline. York lists different home and international research-degree fees and says they may increase annually (York research-degree fees); confirm the award's fee coverage in writing.

The deadline is 13:00 GMT on 12 January 2027. Applications for October 2027 require both a Leeds Online Application and a YES-DTN form; the programme advises contacting the supervisor before applying. One YES-DTN programme page says applications open at 10:00 on 2 November 2026, while the detailed How To Apply page and current project archive say 12 November 2026. The closing time agrees; ask the programme to resolve the opening-date discrepancy and confirm how to submit both forms before the deadline.

Field Outlook and Career Context

The 2026 CCSA workforce summary identifies an uncertain CCUS project pipeline, skills and training gaps, workforce competition and inconsistent job accounting; it presents industry context, not proof of guaranteed job growth for atmospheric-chemistry graduates (CCSA Workforce & Skills Position Paper, 2026). Separately, NCAS lists research and operational atmospheric-science roles, including measurement and observation positions (NCAS careers). These sources provide workforce and career-page context; they do not guarantee actual vacancies or any particular employment outcome.

Applicant Fit and Preparation

YES-DTN states a minimum of a relevant 2:1 honours degree or equivalent. The project lists Atmospheric Science, Chemistry, Engineering, Physical Science and Physics as relevant degree areas. The programme says a first-class degree is usually competitive for scholarship funding and a Master's is useful, but Master's training is not a stated prerequisite. It also says applicants do not need prior publications. If English is not the applicant's first language, the programme requires evidence of an English-language qualification before registration; the reviewed pages do not give the exact score for this project.

The advertised tasks suggest preparation that is useful rather than formally mandatory: physical or atmospheric chemistry; reaction kinetics; experimental design or analysis; compiling and assessing chemical data; coding or modelling; evaluating uncertainty; and clear scientific writing. A strong application could use examples from a dissertation, lab/data project, modelling coursework, programming, research placement or policy-facing communication. Ask supervisors what tools and entry-level skills they expect and what training WACL/YES-DTN supplies. The mixed scope may be less attractive to someone seeking only field sampling or only computational work, unless the supervisors confirm a suitable balance.

Next Actions and Questions to Verify

Before Applying

• Confirm whether the application opening date is 2 or 12 November 2026; keep the 13:00 GMT, 12 January 2027 closing time in view.
• Ask whether an international applicant can hold this specific award in the 2027 cohort and what the current international allocation is.
• Confirm expected 2027/28 stipend, full fee coverage, research-cost support and whether EUPHORE/Oslo travel is funded. Budget separately for visa, health surcharge and relocation unless the programme confirms otherwise.
• Contact the primary supervisor to discuss the initial amines, the work split, expected coding/modelling background and what the two-form application requires.

At Interview

• Ask which amines, emission profiles and atmospheric scenarios will be prioritized, and how uncertainties in source data and reaction pathways will be handled.
• Clarify the expected balance between experiment design, analysis of chamber data, mechanism development, box modelling, geographic scenario modelling and policy briefings.
• Ask how supervision, authorship, partner access and milestones work across York, EUPHORE, Oslo, DEFRA, the Environment Agency and CERC.

Before Accepting an Offer

• Obtain written confirmation of award length, 2027/28 stipend, fee status coverage, international eligibility, and research/travel-cost arrangements.
• Build a York budget using the accommodation price and availability applicable to the actual entry year, plus food, local travel and personal costs.
• Confirm formal York registration and the degree-awarding institution; the reviewed project information names York but does not describe a joint award.

Evidence and Sources

Project, programme and research environment

• YES-DTN project: carbon-capture solvent emissions and air quality
• York Atmospheric Chemistry group
• Wolfson Atmospheric Chemistry Laboratories
• Master Chemical Mechanism
• MCM construction and structure–reactivity context

Supervisors and recent research

• Andrew Rickard - University of York
• Jacqui Hamilton - University of York
• Sarah Moller - York Research Database
• Challenges and needs of tropospheric chemical mechanism development (2024)
• Biomass-burning aerosol composition and atmospheric ageing (2025)
• Atmospheric oxidation of two alternative solvents (2023)
• MEA capture pilot emissions and solvent degradation (2023)
• Structure-related degradation and ammonia emissions across capture amines (2024)
• Amines in fine aerosol and atmospheric processes in winter China (2023)

Application, funding, costs and career context

• YES-DTN studentships and award overview
• YES-DTN application steps and deadline
• YES-DTN eligibility and funding FAQ
• YES-DTN application information, including international awards
• UKRI stipend and fee rates
• York postgraduate accommodation prices
• York postgraduate living-cost guidance
• York postgraduate research fees
• York Chemistry REF 2021 results
• QS World University Rankings 2027: University of York
• UK Government: CCUS programme and milestones
• Climate Change Committee: 2025 progress report
• CCSA: 2026 workforce and skills position paper
• NCAS careers