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Biogas Potentiality of Castor Oil Seed Cake and Manurial Characteristics of the Obtained Biogas Spent Sludge

KrishiKosh

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Title Biogas Potentiality of Castor Oil Seed Cake and Manurial Characteristics of the Obtained Biogas Spent Sludge
M Sc
 
Creator VIPUL KUMAR
 
Contributor Navindu Gupta
 
Subject ---
 
Description T-8344
Biogas is a clean and one of the potent renewable forms of energy which could very
well substitute conventional sources of energy (fossil fuels, oil, etc.) especially in the
rural sector. The later sources of energy are causing ecological–environmental
problems and at the same time depleting at a faster rate. So, there is an urgency to
undertake research on biogas generating potential of the biodegradable matters such
as agro wastes. The present study dealt with the biogas potentiality of Castor
(Ricinus communis, Euphorbiaceae) alone and in combination with cattle dung in
various proportions (five treatments with three replication each) at 15 percent total
solid by anaerobic digestion process as well as evaluated the manurial potential of
digested biogas slurry(DBS). Five treatments including admixture in different ratio
of CD and COSC -T1 (CD alone), T2 (1:2), T3 (2:1), T3 (1:1) and T5 (COSC alone)
were taken for experimentation to record yield of biogas and manurial quality of
corresponding digested slurry. Treatment T2 (CD: COSC in 1:2 ratio) showed a
steady increase in biogas generation throughout the study period and yielded the
highest amount of biogas i.e. 334.97 L/kg dry matter followed by T3 (CD : COSC in
2:1 ratio) generating 284.55 L/kg dm. All the treatments except treatment T1 (cattle
dung alone) have shown the higher biogas potential than COSC alone with treatment
T2, T3 and T4 produced 334.97, 284.55 and 219.30 L/kg dm of biogas respectively
compared to 145.20 L biogas/kg dm of cattle dung. . The result showed that in the
treatments admixed with CD and COSC (T2, T3 and T4) the treatment T2 showed
highest N, P and K content (3.57, 1.46 and 1.05 % NPK respectively) while T3
(CD:COSC=2:1) showed lowest (2.65, 1.05 and 0.89 NPK respectively. The NPK
content of all treatment admixed with CW and COSC were higher than the treatment
having CD alone. The comparison with different manure indicated that the N and P
content of DBS was higher than that of FYM, rural compost, urban compost, MSW
compost and sewage sludge. The N and K content in DBS of CD and COSC
admixture as compared to biogas spent sludge (BSS) of another agro material like
Jatropha fruit coat and cattle dung admixture was lower by 11.19-15.35% and 47.65-
61.68 % respectively while P content was 36.36-40.38% higher
 
Date 2016-10-24T09:55:29Z
2016-10-24T09:55:29Z
2010
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/81434
 
Format application/pdf
 
Publisher IARI, DIVISION OF ENVIRONMENTAL SCIENCES