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Design of TETHYS: A Greenhouse Plant-Smart Water Harvesting and Air-Cleaning System
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Researchers designed the TETHYS system — a greenhouse water harvesting and air cleaning unit that uses a desiccant wheel to extract water from indoor air while simultaneously capturing airborne pesticides and microplastics from exhaust airflow, maintaining optimal crop conditions via sensor-driven control.
A framework to formulate a multiscale model based on the “speaking plant” approach is proposed. It is composed of a network of sensors to assess plant physiological conditions and a desiccant dehumidification and air-cleaning system directly interconnected with a greenhouse exhaust fan system. The system, namely TETHYS is a water production unit that extracts water from greenhouse indoor air using a desiccant wheel and simultaneously minimizes the outflow of airborne pesticides and microplastics, thus protecting human health and the environment. For maintaining optimum crop conditions, the model directly monitors and evaluates plant responses to their environment on a real-time basis and signals the greenhouse exhaust fan motor to ramp up. Considering TETHYS advantages over programmable greenhouse climate time-based controller devices, it is a powerful “green tool” that can be used in greenhouses.
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Design of TETHYS: a greenhouse plant-smart water harvesting and air-cleaning system
AI summary Read the abstract
Researchers designed TETHYS, a greenhouse system that extracts water from indoor air using a desiccant wheel while simultaneously filtering airborne pesticides and microplastics, guided by real-time plant physiological monitoring. The system addresses the under-recognized problem of airborne microplastic release from agricultural operations, offering an engineering solution that protects both human health and the environment from plastic particle inhalation exposure.
Environmental Pollution Impacts and Sustainable Greenhouse Drying Systems in Agricultural Processing: An Updated Comprehensive Review
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Researchers reviewed how agricultural greenhouse drying systems intersect with broader environmental concerns — including microplastic release, gaseous emissions, and occupational exposure — and proposed a six-pillar framework for next-generation dryers that integrates energy efficiency, pollution control, and smart monitoring within a sustainable postharvest processing context.
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Researchers developed a plant-inspired device that uses solar energy to simultaneously produce fresh water, recover clean salt, and generate electricity from seawater. The system includes a built-in pollutant capture trap that removes contaminants including microplastics and persistent organic pollutants from the recovered salt. This innovative approach to resource recovery from seawater could help address water scarcity while preventing microplastic contamination in salt products.
Waste-Based Vertical Planting System Proposal to Increase Productivity in Sustainable Horticulture; “PETREE”
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Researchers proposed a vertical planting system called PETREE, built from repurposed plastic waste containers, as a way to grow more food in less space. The system aims to address shrinking agricultural land and labor shortages by enabling efficient vertical horticulture. The study suggests that reusing plastic waste for sustainable food production could help tackle both plastic pollution and food security challenges.
Theoretical Framework for Hybrid TENG Pollutant Collection System: Solving the Euro 7 Microplastics Challenge
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Scientists have designed a theoretical system that could capture tiny plastic particles from car tires and other sources before they pollute our air and water. The device would work like a self-powered vacuum, using energy from wind or rain to create electric fields that trap these harmful microplastics. This matters because these tiny plastic particles can get into our lungs and drinking water, potentially causing health problems.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.