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Handbook of Solvents - George Wypych - ChemTech - Ventech!

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17.3 Environmental fate <strong>of</strong> glycol ethers 1173<br />

Name [CAS RN], Values Comments Ref.<br />

BOD 5 = 0.95 mmol/mmol<br />

Diethylene glycol monomethyl ether acetate [629-38-9]<br />

acclimated mixed culture, estimated by linear regression<br />

technique from a 20-day test<br />

ThOD = 1.68 g/g, BOD 10 = 1.10 g/g 14<br />

Diethylene glycol monoethyl ether [111-90-0]<br />

5 d = 17% bio-oxidation, 10 d = 71%,<br />

15 d = 75%, 20 d=87%<br />

5 d = 11% bio-oxidation, 10 d = 44%,<br />

15 d = 57%, 20 d=70%<br />

ThOD = 1.91 g/g, BOD5 = 0.20 g/g,<br />

%ThOD = 11, COD = 1.85 g/g,<br />

%ThOD = 97<br />

filtered domestic wastewater, non-acclimated seed, 3, 7,<br />

10 mg/l (at least two), fresh water<br />

filtered domestic wastewater, non-acclimated seed, 3, 7,<br />

10 mg/l (at least two), salt water<br />

effluent from a biological sanitary waste treatment<br />

plant, 20 ± 1°C, unadapted seed, BOD = APHA SM 219,<br />

COD = ASTM D 1252-67<br />

BOD 5 = 0.58 g/g, %ThOD = 30 same conditions, adapted seed 11<br />

COD removed = 95.4% mixed culture, acclimation in a semi-continuous system 12<br />

BOD5 = 5.50 mmol/mmol acclimated mixed culture 17<br />

Diethylene glycol diethyl ether [112-36-7]<br />

ThOD = 2.17 g/g, BOD10 = 0.10 g/g 14<br />

Diethylene glycol monobutyl ether [112-34-5]<br />

ThOD = 2.17 g/g, BOD 5 = 0.25 g/g,<br />

%ThOD = 11, COD = 2.08 g/g,<br />

%ThOD = 96<br />

effluent from a biological sanitary waste treatment<br />

plant, 20 ± 1°C, unadapted seed, BOD = APHA SM 219,<br />

COD = ASTM D 1252-67<br />

COD removed = 95.3% mixed culture, acclimation in a semi-continuous system 12<br />

BOD 5 = 5.95 mmol/mmol acclimated mixed culture 17<br />

5 d = 27% bio-oxidation, 10 d = 60%,<br />

15 d = 78%, 20 d=81%<br />

5d=3%bio-oxidation, 15 d = 70%,<br />

28 d = 88%,<br />

28 d >60% removal<br />

28 d = 58% removal<br />

1 d = 14% removal, 3d=19%,5d=60%,<br />

6 d = 100%<br />

9 d = 100% removal<br />

14 d = 94% removal<br />

BOD APHA SM, no prior acclimation/adaptation <strong>of</strong><br />

seed, 20°C<br />

OECD Closed-Bottle test 301D, no prior acclimation/adaptation<br />

<strong>of</strong> seed, 20°C<br />

OECD 301C, modified MITI test, adapted activated<br />

sludge<br />

OECD 301C, modified MITI test, adapted activated<br />

sludge<br />

OECD 302B, modified Zahn-Wellens test, industrial<br />

non-adapted activated sludge<br />

OECD 302B, modified Zahn-Wellens test, non-adapted<br />

activated sludge<br />

OECD 301A, domestic secondary effluent sewage,<br />

DOC measured<br />

17<br />

10<br />

10<br />

11<br />

11<br />

15<br />

15<br />

16<br />

16<br />

16<br />

16<br />

16

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