From roof tiles and patio slabs to structural beams and columns, concrete is the basis for many construction applications and its use is growing. According to the International Energy Agency, global cement demand by 2050 will be between 3.69 - 4.4 billion tones.
Cement manufacture is also responsible for around 5% of CO2 emissions. Increased pressure on manufacturers from government and consumers to reduce carbon emissions across all industrial sectors means there is a drive towards finding sustainable alternatives to current processes.
With funding from the Technology Strategy Board, a British consortium led by sustainable buildings consultancy BRE, has developed new materials, based on Alkali activated ash (AAA) binders that set and bind concrete together. These low carbon binders can be used in concrete products such as tiles and pavers and offer significant benefits, including 70% fewer carbon emissions compared with traditional cement. As well as improved durability and strength, AAA is produced from readily available waste or by-products such as ash materials, which would otherwise end up in landfill.
The new binders are unlikely to fully replace traditional Portland cement but they will provide a cost-effective and alternative choice in concrete products where low environmental impact gives the concrete
producer a competitive advantage. If widely adopted, the new binders offer the public benefits of reduced CO2 emissions, diversion of industrial waste from landfill to beneficial re-use, and the creation of a new low carbon concrete industry for the UK. As the professional manufacturer of complete sets of mining machinery, such as sand maker, Henan Hongxing is always doing the best in products and service. ore beneficiation:http://www.hx-crushers.com/p58.html
The project has produced reliable data on how to produce the binders on an industrial scale; has created prototype concrete products with 30% less CO2 impact, and has sufficient critical mass to move the new technology towards commercialization. Similar products are being developed in Australia but the UK is at the forefront of the new technology in Europe. Those behind the project estimate that these new concrete products could be on the market by 2015.
A new research project, which started in 2009 with support from the Technology Strategy Board, aims to improve cost and performance and to extend applications into ready-mixed and re-enforced concretes, for example, foundations for buildings. Barriers to the uptake of AAA technology and the requirements of consumers are also being explored.
Nairobi, which is the largest city in Kenya, is known for its reasonably growing economy. The city, which is an emerging market, offers fantastic opportunities to property and real estate developers. More >>
One of the prominent states in East Africa, Kenya promises a lot with its geographical position. Being a sovereign state, this place is blessed with a lot of nature with rich wildlife, grasslands, high mountains, fresh-water lakes, and so on. More >>
Efforts to streamline and expedite international trade traffic between El Paso, Texas and Ciudad Juarez, Mexico continue. More >>
In general, if you choose ocean transport for your freight from China to UK, there are a lot of things should be considered before shipping. Following are some useful information for your reference. More >>
Zum ersten mal auf die tabak-marke Chesterfield menschen zurück in 1873 gelernt. Und danke für dies angeblich firma Drummond tobacco company, für die herstellung von zigaretten tatsächlich ein seite-geschäft war. More >>
As both the global resources business and the Russian economy are changing, the Russian mining industry will change. Two key trends will shape the development of the industry in the next decade: a struggle for competitiveness, increasing productivity and investing in new technology, and internationa More >>
Pollution Chemicals like mercury, cyanide, sulfuric acid, arsenic and methyl mercury are used in various stages of mining. Most of the chemicals are released into nearby water bodies, and are responsible for water pollution. More >>
From roof tiles and patio slabs to structural beams and columns, concrete is the basis for many construction applications and its use is growing. According to the International Energy Agency, global cement demand by 2050 will be between 3.69 - 4.4 billion tones. More >>
Mining is the extraction of valuable minerals or other geological materials from the earth, from an ore body, vein or (coal) seam. The nature of mining processes creates a potential negative impact on the environment both during the mining operations and for years after the mine is closed. More >>
Ball mill is crucial equipment for grinding after materials are crushed. It is an efficient tool for grinding various materials into powder. Ball mill is widely applied in cement industry, chemical industry, new building materials, fire-resistant materials, fertilizer, porcelain and glass industry e More >>