Table 1.

Abbreviation list for this paper.

No.	First Appearance Location	Content	Abbreviation	Occurrence Number
1	Introduction	montmorillonite	Mon	8
2		kaolinite	Kao	12
3		saponite	Sap	5
4		palygorskite	Pal	5
5		specific surface area	SSA	10
6		cation exchange capacity	CEC	9
7		Pseudomonas stutzeri-heavy oil system	PstHO	25
8		saturated hydrocarbons	SHs	35
9		aromatic hydrocarbons	AHs	46
10	Materials and methods	modified Van Niel culture medium	MVN	16
11		gas chromatography	GC	5
12		conductivity	σ	9
13		redox potential	Eh	9
14		resins	Rs	4
15		asphaltenes	Aps	4
16		saturated hydrocarbons, aromatic hydrocarbons, resins, and asphaltenes	SARA	6
17		gas chromatography–mass spectrometry	GC–MS	8
18		X-ray diffraction	XRD	3
19		scanning electron microscope	SEM	4
20		fraction content	FC	3
21		the content difference of CO2, O2 and N2 between illite-PstHO and atmosphere	ΔG	3
22		residual mass content	RMC	11
23		degradation rate	DR	4
24		influence degree	IND	9
25	Results and discussion	Peters and Moldowan	PM	2
26		high ring number (≥4) aromatic hydrocarbons	HRAHs	7
27	Supplemental Materials	8 g illite	Ill-8	29
28		32 g illite	Ill-32	29
29		organic modified montmorillonite	Mon-Org	18
30		acid modified montmorillonite	Mon-Acid	29
31		sodium ion modified montmorillonite	Mon-Na	10
32		potassium ion modified montmorillonite	Mon-K	21
33		calcium ion modified montmorillonite	Mon-Ca	21
34		iron ion modified montmorillonite	Mon-Fe	21
35		acid modified palygorskite	Pal-Acid	10
36		acid modified saponite	Sap-Acid	8
37		organic modified saponite	Sap-Org	3
38		acid modified kaolinite	Kao-Acid	8
39		magnesium ion modified montmorillonite	Mon-Mg	8
40		zinc ion modified montmorillonite	Mon-Zn	9
41		aluminum ion modified montmorillonite	Mon-Al	8
42		chromium ion modified montmorillonite	Mon-Cr	9

Note: In order of appearance in the context.