Influence of thermal treatment on sequential extraction and leaching behaviour of trace metals in a contaminated sewage sludge

2002 ◽  
Vol 43 (2) ◽  
pp. 120
Keyword(s):  
Trace Metals ◽  
Sewage Sludge ◽  
Thermal Treatment ◽  
Sequential Extraction ◽  
Leaching Behaviour

Comprehensive stabilization of all streams of solid residues formed during sewage sludge thermal treatment – Case study

2018 ◽  
Vol 178 ◽  
pp. 757-767 ◽  
Author(s):  
Bartłomiej Michał Cieślik ◽  
Marek Zając ◽  
Agnieszka Gałuszka ◽  
Piotr Konieczka
Keyword(s):  
Sewage Sludge ◽  
Thermal Treatment

Influence of Decreasing Supplementation to Transformation of Chemical Forms of Ni, Zn and Cu During Composting of Sewage Sludge

2021 ◽  
Vol 23 ◽  
pp. 580-593
Author(s):  
Robert Sidełko
Keyword(s):  
Heavy Metals ◽  
Sewage Sludge ◽  
Organic Carbon ◽  
Ion Exchange ◽  
Beneficial Effect ◽  
Sequential Extraction ◽  
Nitrogen Concentration ◽  
Chemical Forms ◽  
N Value ◽  
Mobile Forms

This paper pertains to the influence of decreasing supplementation to transformation of chemical forms of Ni. Zn and Cu during composting of sewage sludge. A universally used supplementing material constituting a rich source of organic carbon is straw. Addition of straw to sewage sludge is aimed at increasing C/N proportion up to at least 15 due to the risk of formation of toxic forms of nitrogen, concentration of which in sewage sludge is exceptionally high. We have presented in this paper the results of speciation research of three elements applying Tessier’s sequential extraction. It’s been proven that decreasing of straw share in the composted mixture with sewage sludge down to the level of C/N value below the admissible value, has a beneficial effect on the allocation of tested heavy metals towards the forms that are permanently bound in compost matrix. A systematic increase of organic (IV) and residual (V) fractions share and decrease of mobile forms of heavy metals content in bioavailable fractions i.e. ion-exchange (I) and carbonate (II) has been ascertained.

scholarly journals Preparation and characterization of activated carbon from sewage sludge: carbonization step

2004 ◽  
Vol 49 (1) ◽  
pp. 139-146 ◽  
Author(s):  
S. Rio ◽  
C. Faur-Brasquet ◽  
L. Le Coq ◽  
D. Lecomte ◽  
P. Le Cloirec
Keyword(s):  
Wastewater Treatment ◽  
Activated Carbon ◽  
Sewage Sludge ◽  
Thermal Treatment ◽  
Wastewater Treatment Plants ◽  
Carbonization Temperature ◽  
Carbon Production ◽  
By Products ◽  
Characterization Of Activated Carbon

Sewage sludges produced from wastewater treatment plants continue to create environmental problems in terms of volume and method of valorization. Thermal treatment of sewage sludge is considered as an attractive method in reducing sludge volume which at the same time produces reusable by-products. This paper deals with the first step of activated carbon production from sewage sludge, the carbonization step. Experiments are carried out on viscous liquid sludge and limed sludge by varying carbonization temperature and heating rate. The results show that carbonized residue properties are interesting for activated carbon production.

Trace Metals in Soil, Vegetation, and Voles from Mine Land Treated with Sewage Sludge

1989 ◽  
Vol 18 (1) ◽  
pp. 115-120 ◽  
Author(s):  
T. M. Alberici ◽  
W. E. Sopper ◽  
G. L. Storm ◽  
R. H. Yahner
Keyword(s):  
Trace Metals ◽  
Sewage Sludge

Preparation and characterization of ceramic products by thermal treatment of sewage sludge ashes mixed with different additives

2007 ◽  
Vol 27 (12) ◽  
pp. 1829-1844 ◽  
Author(s):  
Ignacio Merino ◽  
Luis F. Arévalo ◽  
Fernando Romero
Keyword(s):  
Sewage Sludge ◽  
Thermal Treatment
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