A Promising Material by Using Residue Waste from Bisphenol A Manufacturing to Prepare Fluid-Loss-Control Additive in Oil Well Drilling Fluid

Table 2

GC/MS results of the residues.

Peak	Retention time (min)	Assignments	Molecular ion	Content (%)
1^#	6.8	Phenol	94.0	34.5
2^#	21.5	A^a	268.0	24.6
3^#	8.8	Undecane	156.0	7.6
4^#	14.0	B^b	174.0	5.6
5^#	22.9	C^c	268.0	6.4

aA: 3-(2-hydroxyphenyl)-1,1,3-trimethyl-2,3-dihydro-1H-inden-5-ol.
^bB: 1,5,7-trimethyl-1,2,3,4-tetrahydronaphthalene.
^cC: 3-(4-hydroxyphenyl)-1,1,3-trimethyl-2,3-dihydro-1H-inden-5-ol.