Waste to Energy: Response Surface Methodology for Optimization of Biodiesel Production from Leather Fleshing Waste

Table 1

Physical parameters of liming and delimed fleshing waste.

S.N^°.	Parameters	Limed fleshing waste			Delimed fleshing waste
		sheep	hide	goat	goat	hide	sheep
1.	Color	Greyish brown	Greyish brown	Greyish brown	Pinkish brown	Pinkish brown	Pinkish brown
2.	Odor	pungent	pungent	pungent	normal	normal	normal
3.	Moisture Content	(63±0.5)%	(58±0.1)%	(82±0.2)%	(61±0.4)%	(60±0.3)%	(80±0.4)%
4.	Ash content	(3.06±0.2)%	(3±0.05)%	(2.8±0.1)%	(2.05±0.2)%	(1.8±0.45)%	(1.6±0.26)%
5.	Total fat content	Not determined	Not determined	Not determined	(23.08±0.25)%	(12.05±0.05)%	26.7±0.15%
6.	pH	10.6±0.15	0.6±0.2	12.5±0.4	6.5±0.25	6.5±0.1	8.6±0.3