Air cleaning bricks
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The document describes the Breathe Brick, an innovative air-cleaning brick developed by Carmen Trudell. The brick works like a vacuum cleaner to suck pollution from the air and filter out particles. At the center of each brick is a cyclone filtration system that separates heavy pollutant particles from the air and deposits them in a removable hopper. In tests, the bricks were found to filter 30% of fine particles and 100% of coarse particles from the air. The low-cost bricks could help lower pollution levels in developing countries experiencing rapid industrialization.
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McNaughton Architectural Inc. | http://mna-p.com
300 E State St Suite 360, Redlands, CA 92373
(909) 583-1806
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This document discusses green building materials and construction techniques. It begins by defining what makes a building "green" and then discusses several green building features like efficient energy and water use, renewable energy, and use of sustainable materials. It provides examples of green building materials like wool bricks, fly ash bricks, and solar tiles. It also covers green construction techniques such as prefabricating materials, construction waste management, and using materials selected for their recycled content and local sources. Overall, the document promotes adopting green building practices to reduce environmental impacts throughout the construction process.
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The document discusses natural ventilation, including definitions, types, principles, benefits, techniques, strategies, and case studies. It defines natural ventilation as air supply and removal through natural means without mechanical systems. The main types described are wind-driven, buoyancy-driven, and plant-based ventilation. Principles include single-sided, cross, and stack ventilation. Benefits are lower energy use, space efficiency, and increased occupant productivity. Techniques involve windows, double skin facades, and solar chimneys. Case studies illustrate successful natural ventilation in buildings in Rio de Janeiro and the PNC Bank Tower in Pittsburgh.
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Air cleaning bricks
- 1. AIR CLEANING BRICKS Prepared by: Mohammed Jiruwala
- 2. POLLUTION FREE BRICK • This Innovative Brick Sucks Pollution From the Air Like a Vacuum Cleaner • These days air pollution in some cities is a big problem, and as a result, buildings that help alleviate that problem are all the rage. • New technologies have been using chemical, only affecting the air that physically comes into contact with them. What if buildings could take a more active role in pulling in pollutants from the sky? • What if they could work a little more like a vacuum cleaner? • This was exactly the inspiration behind the Breathe Brick developed by Carmen Trudell, an assistant professor at Cal Poly San Luis Obispo's school of architecture and founder of Both Landscape and Architecture.
- 4. WORKING • The Breathe Brick is designed to form a part of a building's regular ventilation system, with a double-layered facade of the specialist bricks on the outside, complemented by a standard internal layer providing insulation. • At the center of the Breathe Brick's function is cyclone filtration, an idea borrowed from modern vacuum cleaners, which separates out the heavy pollutant particles from the air and drops them into a removable hopper at the base of the wall.
- 5. • The system is composed of two key parts: concrete bricks, and a recycled plastic coupler, which both helps to align bricks and creates a route from the outside into the brick's hollow center. • The concrete bricks themselves feature a faceted surface which helps to direct airflow into the system, and a separate cavity for inserting steel structure.
- 6. The Breathe Brick can function with both mechanical and passive ventilation systems, as the brick simply delivers filtered air into the wall plenum; this air can then be delivered to the building interior through mechanical equipment or through trickle vents driven by passive systems such as stack ventilation.
- 7. SOLAR CHIMNEY SECTION GEOTHERMAL SECTION
- 8. CONCLUSIONS • In windtunnel tests, the system was found to filter 30% of fine particles (such as airborne pollutants) and 100% of coarse particles such as dust. • As the entire system is relatively inexpensive, the Trudell posits the Breathe Brick as a way to lower pollution levels in developing countries, where rapid expansion of industry and less stringent environmental regulations often cause problems.