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INRS

Country: France
4 Projects, page 1 of 1
  • Funder: French National Research Agency (ANR) Project Code: ANR-20-CE08-0024
    Funder Contribution: 525,860 EUR

    The emission of NOx - nitrogen monoxide (NO) and nitrogen dioxide (NO2) - by engines in a confined work environment without ventilation and exhaust treatments represents major health and safety issues. In France, almost 800,000 workers are exposed to such highly toxic NOx emissions. The NOA project aims to develop a NOx adsorption process for non-road vehicles using an optimal adsorbent. It will be loaded and transportable by the worker, to be placed at the exhaust gas outlet of vehicles. The adsorption cartridge needs then to be periodically changed since it works on an accumulative mode, by gas-solid adsorption. The regeneration of the process will therefore take place in time and deported from the vehicle. The operation chosen is the gas-solid adsorption which is more effective than the catalysis at low temperature. Technical obstacles exist; the proposed process has to be selective: to trap NOx without adsorbing water and carbon dioxide, and the affinity of the trapping materials with NOx has not to be too high to allow the regeneration. Therefore, a selection of materials (MOF, zeolites,) with properties required will be made thanks to DFT and GCMC calculations. The goal is to identify the best adsorbents with the highest affinity and largest uptake to NOx in the presence of H2O and CO2. The most promising adsorbents will be synthesized with different morphologies and characterized. A first principle model based on momentum, heat and mass balances will be developed in order to accurately predict the NOx concentration profiles over time at the outlet of a column containing the best adsorbents. Finally, calculations and experiments will be carried out to sizing and design of a transportable device. A technology transfer to companies for its development will be performed at the end of the project. These different activities are not time-sequential but fully interwoven throughout the development stages and the validation of the innovative concepts. The work program is divided into seven work packages (WP) over the 48 months, each WP comprising from 1 to 5 tasks. Five French teams are involved in this project: four academics and one private association (coordinator). The consortium is complementary; it combines the advantages of a multidisciplinary research, involving chemistry of materials, thermodynamic and kinetic analyses, multiscale modelling (molecular simulations and process simulations), process and chemical engineering applications with efficient synergies. It should identify the most promising adsorbents for a highly challenging targeted selective adsorption, and intends to develop industrial tools for occupational risk prevention and environmental protection. Technology transfer to companies for the development and commercialisation of the optimised material(s) and selected process will be dealt with by the coordinator. The NOA project contains an important part of experimental/modelling investigations. Therefore, it requires the recruitment of scientists as follows: two PhD students, one post-doc (18 months) and one master2 student (6 months). It requires also the purchase of manometry equipment for corrosive gas to carry out adsorption isotherms. The project has no rental costs. It does not request funding for the costs of acquiring licenses, patents, copyrights, etc. A consortium agreement will be established between the five partners in the first year of the project. The financial support requested for NOA project stands at 535 k€ for four years, and at 131 man-months (permanent staff). The scientific impact of the work will appear at various levels, with the three following objectives: (i) sharing research results with the scientific community (conferences, publications, etc) (ii) ensuring a wide awareness of the project to both potential end-users and to the general audience (technology transfer) and (iii) disseminating knowledge to people outside of the consortium through training activities.

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  • Funder: French National Research Agency (ANR) Project Code: ANR-05-RNTL-0017
    Funder Contribution: 2,244,290 EUR
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  • Funder: French National Research Agency (ANR) Project Code: ANR-20-CE26-0002
    Funder Contribution: 436,945 EUR

    This project investigates effects of interaction between individuals and their environment at work. The majority of individuals working in open-pace offices report an important discomfort due to noise. Researches were conducted since several years by researchers implicated in this project to determine sound environment characteristics responsible for this discomfort. This project proposes to better understand this phenomenon and the work situation by identifying factors for perceived fatigue and by focusing particularly on some individuals characteristics such as attentional capacities and aging. For that, studies in fields and in laboratory are considered.

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  • Funder: French National Research Agency (ANR) Project Code: ANR-16-CE26-0017
    Funder Contribution: 636,698 EUR

    At project structuring stage, the following four major observations emerged from various discussions between project partners and stakeholders in the Road Freight Transport (RFT) sector. Observation 1. Growth in competition and market developments oblige RFT companies to confront new situations (more stringent customer requirements in terms of delivery windows, higher delivery frequencies with lower volumes, etc.), which constrain organisation of rounds. Observation 2. Environmental stakes lead to the development of new transport modes combining vehicles powered by conventional and green energies. This raises new problems for the operator. Observation 3. RFT company social issues impose consideration of constraints relating to operator, driver and planner health and safety. Observation 4. Currently available transport management software solutions are ill-suited to the problems of SMEs and do not take into account the combined financial, environmental and health-safety dimensions. In the light of these four observations, the Smart Planning project aims to remove scientific and technological barriers to implementing robust planning support systems for sustainable transport systems. The term sustainable transport systems has been taken to mean those that take into account financial, environmental and social issues in relation to both driver and planner health and safety. Breaking the project down into five main tasks enables us to develop a new knowledge combination in relation to implementing compromises for RFT planning purposes. The difficulty in adopting compromises resides in integrating social, financial, environmental and safety concerns into optimised usage of resources. These contributions are validated by field trials conducted mainly at two industrial partners. The aspirations of this project emerge from an interdisciplinary problem requiring mobilisation of skills acquired in, and players from, engineering sciences, ergonomics and the industrial field. We have formed a balanced consortium mobilising five partners from the academic environment, the institutional sector specialised in health matters, and the transport and industrial sectors. Project governance is complemented by two unfinanced partners, who are experts in the fields of occupational health and safety and planning.

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