Materials science
材料科学
Don t slag it off
废渣别融掉
How to make bricks out of industrial waste
怎样用工业废渣制造砖块
BUILDING houses and offices out of toxic waste sounds like a pretty eccentric idea.
用有毒废料建造住房和办公室的点子听起来真怪。
Yet it may become commonplace if Ana Andres of the University of Cantabria in Spain hasher way.
但是如果西班牙坎塔布里亚大学的Ana Andres成功的话,这项技术就会广泛应用。
For Dr Andres and her colleagues suggest, in Industrial Engineering ChemistryResearch, that the humble brick need not be made of pure clay.
博士Ana Andres和她的同事们在工业与工程化学研究中提出,一般的砖不需要全用粘土烧制。
Instead, up to 30% of its weight could be slagthe toxic gunk left over when steel is made.
反而,高达30%的重量可以是矿渣,这是一种在制钢过程中产生的有毒废料。
Waelz slag, to give its technical name, is composed mainly of silica but is also undesirablyrich in poisonous metals like lead and zinc.
学名是威尔兹的废渣主要由硅土组成,也不可避免的含有诸如铅和锌之类的有毒金属。
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