Experimental Investigation of Polyvinylpyrrolidone for Application as a Demulsifier for Water-in-Oil Emulsion

Table 2: Time taken for demulsifier to separate water from emulsion.

TIME(MIN)	SEPARATED WATER (%)
TIME(MIN)	10 ppm	20 ppm	50 ppm	55 ppm	60 ppm	65 ppm	70 ppm	80 ppm
0	0	0	0	0	0	0	0	0
1	0	0	0	0	0	0	0	0
2	0	0	40	30	0	5	0	18
3	0	8	42	32	10	8	15	26
4	4	10	54	45	14	21	17	35
5	5	15	57	47	25	24	22	38
6	6	22	60	50	30	29	32	40
7	7	30	61	51	40	30	45	43
8	8	40	63	53	52	34	52	45
9	9	41.5	65	56	58	38	58	46
10	10	45	68	59	60	40	59	48
11	10.5	49	69	59	68	45.2	65	49
12	10.8	50	70	62	72	48.5	69	49.6
13	11	51	71	62	75	51	70	52
14	12	53	73	63	80	56	73	53
15	13	55	75	65	91	57	73	54
16	14	58	75.6	66.5	92	60	73	56
17	14	60	75.9	67	93	62	73	56
18	14	61	82	72	93.5	63	73	56
19	15	62	83	75	94	63	73	56
20	16	62	84	78	94.5	68	73	56
21	16.5	62	86	80	95	70	73	56
22	17	62	86	81.5	95.5	72	73	56
23	18	62	86	83	96	72.5	73	56
24	19	62	86	86	100	74	73	56
25	20	62	86	87	100	75.2	73	56
26	22	62	86	88	100	76.9	73	56
27	25	62	86	90	100	78	73	56
28	27	62	86	90	100	82	73	56
29	29	62	86	91	100	83.6	73	56
30	30	62	86	91.5	100	84.2	73	56