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2018-08-09   13:38:02   INGLÉS
Mexicans create ecological cement from industrial waste

Mexico, Aug. 9 (Notimex).- As an alternative to the use of cement, Mexican scientists developed a material that, with the same utility, is made from waste from the paper recycling, coal, marble and unicel industries, as well as ash from the sugarcane bagasse.

Researchers from the University of Papaloapan, in Oaxaca, led by Martha Poisot, used this material which by being more economical and more resistant it could replace cement in buildings, as it has the quality to add value to industrial waste.

The product is called Polymeric Ash System (PAS) and experts seek capital to establish their first production plant, with the aim of reducing the environmental impact by taking industrial waste.

The specialist in Chemical Sciences presented this development in the First National Forum of Science, Technology and Innovation 2018.

According to the Mexican Academy of Sciences (AMC, for its acronym in Spanish), Martha Poisot's team has developed prototypes such as blocks of 50 by 50 centimeters.

Among the tests performed is the measurement of temperature with respect to cement, and reported that it is a thermal insulator with the additional quality that also conserves energy, so, the house built with this material does not need to use so much heating or air conditioning.

The material is light and has plasticity, which makes it useful for aesthetic purposes. However, it can also be used with steel, which makes it useful for structural issues.

"We receive the waste material and in a single step, in a kind chemical reaction, we convert the organic matter with the binder into hydrophobic cellulose compatible with the cane ash, with the marble, thermoelectric industry, and even the unicel that is used to store food and products," he said.

This work was supported by the National Council of Science and Technology (Conacyt, for its acronym in Spanish) through the Fund for Scientific Development Projects to Address National Problems.

NTX/MSG/LCH/CYMA/JCG

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