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20250207033116.0 |
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231223s2006 xx ||||| 00| ||eng c |
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|a pubmed25n0536.xml
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|a (DE-627)NLM160814057
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|a (NLM)16488592
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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 Zupancic, Marija
|e verfasserin
|4 aut
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|a Critical evaluation of the use of the hydroxyapatite as a stabilizing agent to reduce the mobility of Zn and Ni in sewage sludge amended soils
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|c 2006
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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 05.02.2007
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|a Date Revised 16.11.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The leachability of zinc (Zn) and nickel (Ni) was investigated in various soil types amended with sewage sludge and sewage sludge treated with hydroxyapatite. Sandy, clay and peat soils were investigated. For leachability tests, plastic columns (diameter 9 cm, height 50 cm) were filled with moist samples up to a height of 25 cm. Sewage sludge (1 kg) was mixed with 4.6 kg of clay and sandy soils and with 6.7 kg of peat soil. For sewage sludge mixtures treated with hydroxyapatite, 0.5 kg of the hydroxyapatite was added to 1 kg of the sewage sludge. Neutral (pH 7) and acid precipitation (pH 3.5) were applied. Acid precipitation was prepared from concentrated HNO(3), H(2)SO(4) and fresh doubly distilled water. The amount of precipitation corresponded to the average annual precipitation for the city of Ljubljana, Slovenia. It was divided into eight equal portions and applied sequentially on the top of the columns. The results indicated that the leachabilities of Zn in sewage sludge amended peat and clay soils were low (below 0.3% of total Zn content) and of Ni in sewage sludge amended sandy, clay and peat soil below 1.9% of total Ni content. In sewage sludge amended sandy soil, the leachability of Zn was higher (11% of Zn content). The pH of precipitation had no influence on the leachability of either metal. Treatment of sewage sludge with hydroxyapatite efficiently reduced the leachability of Zn in sewage sludge amended sandy soil (from 11% to 0.2% of total Zn content). In clay and peat sewage sludge amended soils, soil characteristics rather than hydroxyapatite treatment dominate Zn mobility
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Sewage
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Nickel
|2 NLM
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| 650 |
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7 |
|a 7OV03QG267
|2 NLM
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| 650 |
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7 |
|a Durapatite
|2 NLM
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| 650 |
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7 |
|a 91D9GV0Z28
|2 NLM
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| 650 |
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7 |
|a Zinc
|2 NLM
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| 650 |
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7 |
|a J41CSQ7QDS
|2 NLM
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| 700 |
1 |
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|a Bukovec, Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Milacic, Radmila
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Scancar, Janez
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 26(2006), 12 vom: 07., Seite 1392-9
|w (DE-627)NLM098197061
|x 0956-053X
|7 nnns
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| 773 |
1 |
8 |
|g volume:26
|g year:2006
|g number:12
|g day:07
|g pages:1392-9
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_350
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|a AR
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|d 26
|j 2006
|e 12
|b 07
|h 1392-9
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