Table 5. Photocatalytic Degradation of Rh6G, MV, RB, and CV by KA@CP-S at Different pH values with Different Contact Times.

		dye degradation (%)
KA@CP-S/dye	pH value	15 min	75 min	150 min
KA@CP-S/Rh6G	∼7.5	64.12	81.48	86.50
	4	62.96	93.8
	10	72.51	98.0
	12	62.79	94.0
KA@CP-S/MV	∼7.5	60.69	73.98	76.80
	4	87.28	96.0
	10	80.92	97.0
	12	89.59	91.0
KA@CP-S/RB	∼7.5	16.11	58.94	76.10
	4	93.26	98.0
	10	8.94	23.0
	12	9.49	21.3
KA@CP-S/CV	∼7.5	68.13	72.52	75.80
	4	58.51	89.5
	10	65.99	83.0
	12	72.52	94.0