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01000naa a22002652 4500 |
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NLM152274944 |
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DE-627 |
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20231223061701.0 |
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231223s2004 xx ||||| 00| ||eng c |
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|a pubmed24n0508.xml
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|a (DE-627)NLM152274944
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|a (NLM)15560443
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Kuen-Sheng
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Foamed lightweight materials made from mixed scrap metal waste powder and sewage sludge ash
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| 264 |
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1 |
|c 2004
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 03.06.2005
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|a Date Revised 14.02.2017
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|a published: Print
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|a Citation Status MEDLINE
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|a The porous properties and pozzolanic effects of sewage sludge ash (SSA) make it possible to produce lightweight materials. This study explored the effects of different metallic foaming agents, made from waste aluminium products, on the foaming behaviours and engineering characteristics, as well as the microstructure of sewage sludge ash foamed lightweight materials. The results indicated that aluminium powder and mixed scrap metal waste powder possessed similar chemical compositions. After proper pre-treatment, waste aluminium products proved to be ideal substitutes for metallic foaming agents. Increasing the amount of mixed scrap metal waste by 10-15% compared with aluminium powder would produce a similar foaming ratio and compressive strength. The reaction of the metallic foaming agents mainly produced pores larger than 10 microm, different from the hydration reaction of cement that produced pores smaller than 1 microm mostly. To meet the requirements of the lightweight materials characteristics and the compressive strength, the amount of SSA could be up to 60-80% of the total solids. An adequate amount of aluminium powder is 0.5-0.9% of the total solids. Increasing the fineness of the mixed scrap metal waste powder could effectively reduce the amount required and improve the foaming ratio
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|a Journal Article
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|a Industrial Waste
|2 NLM
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| 650 |
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|a Metals, Heavy
|2 NLM
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| 650 |
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7 |
|a Sewage
|2 NLM
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| 650 |
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|a Aluminum
|2 NLM
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| 650 |
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|a CPD4NFA903
|2 NLM
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| 700 |
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|a Chiou, Ing-Jia
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 22(2004), 5 vom: 15. Okt., Seite 383-9
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
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|g volume:22
|g year:2004
|g number:5
|g day:15
|g month:10
|g pages:383-9
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|a AR
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|d 22
|j 2004
|e 5
|b 15
|c 10
|h 383-9
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