Sustainability

The Sustainability Pavilion integrates the R&D achievements of MOA, MOEA, MOENV and MOL, with themes of "Net Zero for Sustainability, Resilience for Co-Prosperity", for a sustainable living environment with net zero emissions.

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Low-Carbon Building Materials made from Coal Fly Ash

The construction industry accounts for about 37% of global carbon emissions. Use byproducts for building materials; adopt renewable energy and ESS/EMS for less carbon emissions; such acts help realize resource recycling and reuse and achieve a circular economy. We hereby introduce two low-carbon building materials: 1. Autoclaved Lightweight Aerated Concrete Blocks: The original product is made by mixing silica (silica sand), calcareous materials (cement and CaO), water, foaming agent (aluminum powder paste) and additive and then made through casting, pre-curing, cutting and steam curing. It is a discontinuous porous material. Features of the product include light weight, sound insulation, thermal insulation, fire resistance, and fast construction, making it suitable for indoor partition walls and roof insulation bricks. Acknowledging that coal fly ash is a semi-crystalline silica-aluminum material and contains a small amount of CaO, we cooperate with GOYU BUILDING MATERIALS Co., Ltd. for the test. It turned out that coal fly ash successfully replace part of the silica sand (about 15%) and calcareous materials (5%), and help reduce the resting time and steam consumption of the original process. 2. Extruded Fly Hollow Cement Panels: The original product is made by mixing cement, mineral admixtures, fiber, sand, water, and additive and then made through mud refining, extrusion molding, cutting, and steam curing. Features of the product include high bending strength, light weight, sound insulation, reassembly (reusable) and fast construction, making it suitable for use on floors and exterior walls of buildings. Acknowledging that coal fly ash is a semi-crystalline silicon-aluminum material and contains a small amount of CaO, we cooperate with Chentek Industrial Co., Ltd. It turned out that coal fly ash successfully replace part of the cement (30%), and help solve the high-temperature shutdown problem of the original process and extend product life span.

Sustainability | Green Energy & Environment

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