REMEDIATION OF PETROLEUM CONTAMINATED SOILS - SECTION 1 ppt

... Separation 2 .1. 1.2 .10 .1 Sedimentation 2 .1. 1.2 .10 .2 Flotation 2 .1. 1.2 .11 Flocculation 2 .1. 1.2 .12 Evaporation 2 .1. 1.2 .13 Stripping 2 .1. 1.2 .14 Distillation 2 .1. 1.2 .15 Filtration 2 .1. 1.2 .16 Ultrafiltration 2 .1. 1.2 .17 ... Extraction 2 .1. 1 .1. 6 Supercritical Fluid (SCF) Oxidation 2 .1. 1 .1. 7 Volatilization 2 .1. 1 .1. 8 Steam Extraction 2 .1. 1 .1. 9 Solidification/...

Ngày tải lên: 11/08/2014, 07:20

... < ;1 1 ,1, 2-Tetrachloroethane 80,000 < ;10 Tetrachloroethylene 44,000 12 70,000 < ;1 1 ,1, 1-Trichloroethane 23,000 ND 1, 000 < ;1 3,300 < ;1 12,000 <5 14 3,000 < ;1 115 1 Benzene 2,800 < ;10 400 ... 500 10 0% in 7 days p-Hydroxybenzoic acid 500 10 0% in 7 days o-Cresol 500 10 0% in 8 days 3,4-Xylenol 500 10 0% in 9 days 1, 4-Naphthoquinone 500 10 0% in 9...

Ngày tải lên: 11/08/2014, 07:20

... Legmann, Kushmaro, Taube, Adler, and Ron, 19 92). A mixed culture of bacteria containing F -1 - ase and growing on crude oil reached 1 × 10 8 cells/mL. F- 1- ase activity is associated with the cells ... and Tabatabai, 19 85; Dick and Tabatabai, 19 86; Hons, Stewart, and Hossner, 19 86). Polyphosphates have a half-life of 1 to 10 days and can be used as in situ, slow-releas...

Ngày tải lên: 11/08/2014, 07:20

... (µg/L) 0 .1 1 10 50 10 0 Trichloroethylene 10 00 76 :1 54 :1 32 :1 17 :1 11: 1 10 0 54 :1 32 :1 11: 1 1: 1 — 10 32 :1 11: 1 — — — 1 11: 1 ———— Tetrachloroethylene 10 00 96 :1 72 :1 45 :1 26 :1 18 :1 100 72 :1 45 :1 18 :1 1 :1 ... — 10 45 :1 18 :1 — — — 1 18 :1 ———— 1, 1 , 1- Trichloroethane 10 00 19 8 :1 90 :1 35 :1 14 :1 8 :1 100 90 :1 35 :1 8 :1 1...

Ngày tải lên: 11/08/2014, 07:20

... (organisms/g) a 8 × 10 3 to 3.4 × 10 6a 3.4 × 10 6 to 9.8 × 10 6 b 1. 5 × 10 5 to 8 × 10 5b 4 × 10 6 to 9 × 10 6 b 1. 2 × 10 7 to 1. 6 × 10 7 c 5 × 10 5c 10 6 d 2 .1 × 10 7 3.5 × 10 3 2.9 × 10 6 e 10 5 a The ... 406 l 0.545 0. 011 0.006 66 l 28.5 0. 019 0.533 37 l 29.2 0 0 — 9 ,10 0 0. 018 16 1.7 39 h 19 .5 0.099 1. 93 7 h 19 .5 0 .13 9 2.70 5 h 1...

Ngày tải lên: 11/08/2014, 07:20

... MD, on Contract No. DAAK1 1- 8 2-C-0 017 , 19 84. AD-A162 528/4.) © 19 98 by CRC Press LLC degradable, inhibitory, or recalcitrant to various degrees. Soils may be so heavily contaminated that they have ... reduced by other methods (see Section 2 .1. 1.2 .18 ). 21. A chemical coagulation/flocculation process removed up to 10 0% of suspended solids and 98% of BOD 5 (see S...

Ngày tải lên: 11/08/2014, 07:20

... 0.56 1- Methyl-3-ethylbenzene 9 0. 31 to 2.86 1- Methyl- 2- n -propylbenzene 10 0. 01 to 0 .17 1- Methyl- 3- n -propylbenzene 10 0.08 to 0.56 1- Methyl-3-isopropylbenzene 10 0. 01 to 0 .12 1- Methyl- 3- ... 0 .12 1- Methyl- 3- t -butylbenzene 11 0.03 to 0 .11 1- Methyl- 4- t -butylbenzene 11 0.04 to 0 .13 1, 2-Dimethyl-3-ethylbenzene 10 0.02...

Ngày tải lên: 11/08/2014, 07:20

... communities. 73 ,11 9 ,13 9 In stream mesocosms stabilization periods of 10 days, 14 0 4 weeks, 10 9 or 1 year 14 1 have been reported. © 2003 by CRC CRC Press LLC Table 2 .1 Summary of Published ... ASTM E 14 1 5-9 1 Conducting the Frog Embryo Teratogenesis Assay-Xenopus (FETAX) ASTM E 14 3 9-9 8 Acute Toxicity Tests with the Rotifer Brachionus ASTM E 14 4 0-9 1...

Ngày tải lên: 11/08/2014, 10:22

... transmission devices that provide a low cost means of sending live video over unshielded twisted pair, point-to-point wiring for distances of up to 305m (10 00 ft). The video baluns are compatible with ... the twisted-pair cable. The CCTV balun is key to this conversion. The CCTV balun is a passive element that converts the unbalanced signal of the coaxial cable to the balanced signal...

Ngày tải lên: 24/01/2014, 03:20