Isolation, Identification, and Optimization of Culture Conditions of a Bioflocculant-Producing Bacterium Bacillus megaterium SP1 and Its Application in Aquaculture Wastewater Treatment

Table 1

Screening of bioflocculant-producing bacterium and its flocculating ratio for kaolin suspension.

Number	Flocculating ratio (%)	Number	Flocculating ratio (%)	Number	Flocculating ratio (%)	Number	Flocculating ratio (%)
1		12		25		37
2		14		26		38
3		15		27		39
4		16		28		40
5		17		29		41
6		18		30		42
7		19		31		43
8		20		32		44
9		21		33		45
10		22		34		46
11		23		35		47
12		24		36		48

Note. Each value represents a mean ± SE (). Values in the line with different superscript letters are significantly different ().