ISSN (0970-2083)
CHARACTERIZATION OF SOLID EFFLUENT FROM PAPER INDUSTRY AND ASSESSMENT OF ITS POTENTIAL ON GERMINATION AND GROWTH OF VEGETABLE CROPS
The characteristics, potentials and prospects of sludge from paper industry located in the East Godavari Region of Andhra Pradesh are presented. The percent sodium (2.88me/L) and SAR value (0.76me/L) indicates that the sludge can be used for irrigation purposes. The calorific value (7.031MJ. kg-1) observed for this sludge suggests that, it can be used as an alternative fuel source. The observed levels of heavy metal ion concentrations are well below the permissible limit and hence cause no concern. Its N, P, K values being considerable, it can be considered for irrigation purposes and also for germination and plant growth of vegetable crops.
P.V.S. MACHIRAJU , Y.L.N. MURTHY AND V. SRINIVASA RAO
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