Executive Summary

TecEco Pty Ltd was established in 1999 by John Harrison in order to commercialise the mineral binder technologies that he invented. TecEco cement formulations include Tec, Eco and Enviro-Cement and are distinguished by the addition of reactive magnesia[1] and usually also a pozzolan

More recently, the company has focused on economic solutions to the problems of global warming, potable water and waste utilisation generally badged under the name Gaia Engineering.

John Harrison is a CPA accountant, economist, geochemist, horticulturalist and materials scientist. He has received international attention for the invention of Eco-Cements which based on blends of highly reactive magnesium oxide and ordinary Portland cement that in permeable compositions carbonate. John has been featured in the media (see Media) and recently won his heat on the ABC's New Inventors program. He regularly speaks at international conferences and is recognised and an innovative leader in the race to sustainability.

TecEco’s innovations deliver substantially increased environmental performance. The company’s proposed solution to global warming and waste problems is to mimic nature by using carbon dioxide and other wastes to construct our built environment. The magnesium required comes from sea water and the whole process to remove CO2 from the air being developed is referred to by participants as Gaia Engineering. Our modelling indicates that anthropogenic sequestration using man made carbonate could start reversing the problem of too much CO2 in the atmosphere by 2025. See tools

Eco-Cements in permeable or semi permeable materials such as curb and gutter, bricks, blocks and pavers, paths, slabs, mortars renders and pervious pavement not only absorb significant quantities of CO2; they utilise a wide range of waste materials that add physical or chemical properties. If made without release of CO2 using Tec-Kiln technology significant sequestration results.

Tec-Cement is denser, very durable high strength cement for use in demanding construction applications. Recent confirmation by third parties of significant tensile and compressive strength gain and non shrink characteristics has heightened commercial interest in Tec-Cement concretes and a number of new trials are now underway. Enviro-Cements are for locking up toxic and hazardous materials.

The Tec-Kiln will allow the manufacture of magnesia and other cements including Portland cement with less energy from non fossil fuel sources without releases.

The main value of third parties becoming involved with TecEco will be the offsets we can potentially provide. Our commercialisation strategy for cements is therefore to network with major companies in the industry to implement exemplar projects that implicate them. Sometimes we also work with smaller companies to initiate sufficient interest.

The Gaia Engineering process is a tececology which embraces a number of new technologies including TecEco’s Tec-Kiln technology for emission free calcination and the production of concrete using our Tec, Eco and Enviro cements, carbon dioxide scrubbing technology, heat capture and transfer technologies and desalination technologies that can profitably deliver massive waste utilisation and sequestration as well as produce fresh water, gypsum, sodium bicarbonate and various other saleable minerals. The Gaia Engineering process is now being promoted internationally and the level of interest is rising rapidly.

If you are interested in being involved in any way please contact TecEco.

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