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Table 3 Summary of the results from GC–MS

From: Microbial nitrate removal by waste iron shavings from the biological and catalytic ozonation treated dyeing and finishing wastewater

Name of the compounds

Influent

AnSBR-I

AnSBR-C

PAa

RPAb

PA

RPA

PA

RPA

6,6’-Dimethyl-5,5’,8,8′-tetramethoxy-2,2′-binaphthylidene-1,1′-dione

196,235

3.09

220,130

5.6

201,486

5.85

Acetic acid, ethyl ester

279,478

4.41

308,757

7.86

355,725

10.34

Dodecane

196,961

3.11

140,111

3.57

155,585

4.52

1-Dodecanamine, N,N-dimethyl-

2,761,717

43.56

1,148,843

29.25

682179

19.82

Phenol, 2,4-bis(1,1-dimethylethyl)

22,307

0.35

139,736

3.56

98,437

2.86

2-Propanone

519,281

8.19

282,789

7.2

157,243

4.57

1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) ester

223,301

3.52

87,331

2.22

289,873

8.42

n-Hexadecanoic acid

260,061

4.1

358,363

9.12

104,911

3.05

6-Methylfuro[2,3-c]pyrid-5-one

156,178

2.46

102,932

2.62

147,336

4.28

2-(2-N-Benzyl-N-methylaminoethyl)-4,5-dimethoxyphenylaceticacid,methyl ester

372,461

5.87

131,375

3.34

78,300

2.28

Docosanoic acid

82,071

1.29

135,536

3.45

85,055

2.47

Acetic acid, decyl ester

20,003

0.32

ND

ND

28,224

0.82

Sulfurous acid, 2-propyl undecyl ester

49,278

0.78

49,298

1.25

33,104

0.96

N-Methyl-N-benzyltetradecanamine

68,133

1.07

ND

ND

ND

ND

Nonane, 4,5-dimethyl-

50,038

0.79

39,742

1.01

36,710

1.07

1-Phenanthrenecarboxylic acid

ND

ND

90,896

2.31

240,252

6.98

3,6-Dioxa-2,7-disilaoctane, 2,2,4,7,7-pentamethyl-

ND

ND

21,995

0.56

40,817

1.19

Octadecane (CAS) n-Octadecane

70,196

1.11

52,349

1.33

31,604

0.92

1,1-Dibromo-2-(2,2-dimethylpropyl)cyclopropane

85,848

1.35

74,477

1.9

ND

ND

Tetrasiloxane, decamethyl-

67,302

1.06

57,640

1.47

30,393

0.88

1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester

101,833

1.61

73,792

1.88

65,536

1.9

2-Bromo dodecane

49,778

0.78

37,346

0.95

27,326

0.79

Promecarb 2,4-dinitrophenylether

ND

ND

61,276

1.56

ND

ND

3-(2-Methoxymethoxy-ethylidene)-2,2-Dimethyl-Bicyclo[2.2.1]Heptane

ND

ND

7982

0.2

ND

ND

2-Bromotetradecane

41,372

0.65

67,606

1.72

70,099

2.04

2,5-Dimethyl-4-methoxyphenol

75,184

1.19

40,286

1.03

78,727

2.29

Eicosamethylcyclodecasiloxane

115,403

1.82

48,971

1.25

40,080

1.16

Silikonfett SE30(GREVELS)

95,459

1.51

58,809

1.5

51,194

1.49

1H-Purin-6-amine, [(2-fluorophenyl)methyl]-

120,771

1.9

66,627

1.7

50,374

1.46

  1. Not detected
  2. aPeak area
  3. bRelative peak area (%)