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Industrial Waste Composts: Toxicity Tests and Decomposition Studies under Laboratory Conditions.

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Title Industrial Waste Composts: Toxicity Tests and Decomposition Studies under Laboratory Conditions.
Not Available
 
Creator Karthika, K. S., Parama, V.R.R., Hemalatha, B., Rashmi, I. and Vidya, C.S.
 
Subject Enzyme Industrial wastes, Urban solid waste, compost, Phytotoxicity, C decomposition
 
Description Not Available
Enzyme industrial wastes viz. multiple effect evaporator salts, primary sludge, filter press
feed were evaluated for their phytotoxic effects under laboratory conditions to understand
their potential to use as a nutrient medium for supporting plant growth. It was found that
the industrial waste-water extract recorded lower contents of essential nutrients and the
presence of heavy metals viz. Ni and Cd. Germination studies revealed the inhibitory
effects of industrial waste-water extracts on percentage and rate of seed germination and
length of plumule and radicle. None of the seeds germinated in MEES: water extract and
seed germination of tomato as indexed by rate 6.11 in PS: water extract exhibited the
inhibitory effect by primary sludge on seeds. The length of radicle (5.79) and plumule
(4.94) was relatively lesser in PS: water extract to that of FPF: water extract and control.
The incubation study carried out in the laboratory conditions to understand the rate of
decomposition of urban solid waste alone and three different industrial waste-composts
prepared by combining urban solid waste with enzyme industrial wastes viz. multiple
effect evaporator salts, primary sludge, filter press feed revealed that the carbon-di-oxide
evolved was higher in incubating urban solid waste-multiple effect evaporator salts
exhibiting a higher rate of decomposition due to the presence of more easily degradable
compounds. This was 6.10 mg CO2 100 gc-1 day-1 on the 50th day of incubation in urban
solid waste-multiple effect evaporator salts and 2.60 mg CO2 100 gc-1 day-1 in incubating
urban solid waste alone at the 50th day of incubation. The cumulative CO2 evolved ranged
from 32.27 mg CO2 100 gc-1in urban solid waste alone to 89.48 mg CO2 100 gc-1 in urban
solid waste+ multiple effect evaporator salts on the 50th day of incubation.
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Date 2020-05-22T07:24:18Z
2020-05-22T07:24:18Z
2018-07-15
 
Type Research Paper
 
Identifier Karthika, K. S., Parama, V.R.R., Hemalatha, B., Rashmi, I. and Vidya, C.S. 2018. Industrial Waste Composts: Toxicity Tests and Decomposition Studies under Laboratory Conditions.Int.J.Curr.Microbiol.App.Sci.7(7):3855-3865
https://doi.org/10.20546/ijcmas.2018.707.448
http://krishi.icar.gov.in/jspui/handle/123456789/36129
 
Language English
 
Relation Not Available;
 
Publisher Excellent Publishers