Sentences with phrase «tonnes of cement»

So 2000 cubic metres of concrete weighs about 5000 tonnes and would contain about 550 tonnes of cement (and this would release about 500 tonnes of CO2 during manufacture).

In fact, if each footing is 400 cubic metres, it will contain about 1000 tonnes of concrete, 110 tonnes of cement, and this would involve the release of about 100 tonnes of CO2 — not Sexton's 2000 tonnes!

Trump's central campaign promise, as you know, is to build a «big, beautiful, powerful wall» along the U.S. - Mexico border, which analysts at investment firm Bernstein estimate could cost anywhere between $ 15 billion and $ 25 billion, requiring 7 million cubic metres of concrete and 2.4 million tonnes of cement, among other materials.

About 900 kg of CO2 are released during the manufacture of each tonne of cement (see CO2 and wind turbine concrete).

The Information Unit on Climate Change, Switzerland, states that about a half a tonne of carbon dioxide is released from the roasting of the raw materials for each one tonne of cement manufactured.

Not exact matches

The groundbreaking event of the six million metric tonnes per annum (mmtpa) integrated cement plant was part of the -LSB-...]

A new 1.5 million metric tonnes per annum (MMTPA) Dangote Cement Plant built at a cost of $ 300million was commissioned in Mfila, in the Republic of the Congo yesterday.

«The combined effects of the standards for industrial boilers and cement kilns is just 20 to 60 million tonnes of CO2 a year,» Erickson says.

Global carbon dioxide emissions from fossil fuel combustion and cement production grew 2.3 per cent to a record high of 36.1 billion tonnes CO2 in 2013.

Emissions of CO2 by human activities, including fossil fuel burning, cement production, and gas flaring, amount to about 27 billion tonnes per year (30 billion tons)-LSB-(Marland, et al., 2006)-- The reference gives the amount of released carbon (C), rather than CO2, through 2003.].

It can be turned into100 litres of biofuel per tonne of algae, or as is being done at St. Mary's right now, fed back into the cement plant to replace coal or coke.

During the 1980s, fossil fuel use and cement manufacturing emitted an average of 5.4 billion (5,400 million) tonnes of carbon (in the form of CO2) per year.

Since 1750, we have emitted about 580 billion tonnes of carbon into the atmosphere by burning fossil fuels, cutting down forests and making cement.

For every tonne of fly ash used for a tonne of portland cement (the most common type of cement in general use around the world) approximately one tonne of carbon dioxide is prevented from entering the earth's atmosphere.

EUAs are the carbon allowances that serve as the unit of compliance under the European emissions - trading scheme (EU - ETS), with each EUA entitling the energy - intensive industries covered by the scheme — mainly power generators, steel companies, cement companies, and oil refiners — to emit one tonne of CO2.

Accordingly, the 440 billion tonnes we can still emit over the next few years and stay under the trillion - tonne limit needs to be reduced from 440 to 270 billion tonnes of fossil fuel, cement and land use emissions, a reduction of some 40 %.

According to the trillionthtonne.org website, humans have already emitted 561 billion tonnes of carbon from fossil fuels, cement production and land use changes.

However, CCS removes some 300 billion tonnes of carbon, giving an overall accumulation of 1.25 trillion tonnes by 2100 (current accumulation plus fossil use to 2100 plus land use change and cement).

This equates to the use of total current fossil energy reserves of about 900 billion tonnes of carbon equivalent (the balance comes from the use of cement and land use change).

Professor Acda is quoted as saying his composite boards, which he hopes to have perfected by the end of the year, would be «resistant to insect infestation such as termites because the feathers are inedible,» as well as suggesting they'd be less flammable and combustible when compared to conventional cement and wood - fibre composite boards.Seems like he has plenty of raw material to work with given that the Philippines poultry industry is said to dump 2.4 million tonnes of feathers annually, mostly through burning and burial.

The huge advantage of joining the Browns is that several years from now you won't have to remove any of those 1000 tonne cement slabs, with wiring and metal reinforcing, which are used as bases for wind turbines.

In 2010, emissions from fossil fuel burning, production of cement, forest clearance and other factors, reached a record 10 billion tonnes.