REMEDIATION OF PETROLEUM CONTAMINATED SOILS - SECTION 2 potx

... (98%) of the organics at 20 min residence time, the temperature should be 100°C for 1-dodecene, 20 0°C for 1-hexa- decene, 150°C for naphthalene, and 25 0°C for anthracene. Table 2. 1 Summary of ... resulting from the effects of the rhizosphere. This approach might be applicable for cleanup of low PAH levels in soils. See Sections 2. 1.1 .2. 6, 5.3 .2, and 6.3.4.6. 2. 1 .2....

Ngày tải lên: 11/08/2014, 07:20

... combined nitrate, 27 to 28 mg(N)/L, with low levels of oxygen, 0.8 to 1 .2 mg O 2 /L, they observed complete removal of toluene and partial removal of ethylbenzene, m-xylene, and o-xylene with nitrate ... between 2 and 4% for this purpose (Miller, Vogel, and Hinchee, 1991). An airflow rate of 0.5 air void volumes per day was found to be optimal at one test site. See Sections 2....

Ngày tải lên: 11/08/2014, 07:20

... Barriers 2. 2.1.17 Electric Fields 2. 2 .2 Biological Soil Treatment Processes 2. 2 .2. 1 Bioremediation/Bioreclamation 2. 2 .2. 2 Bioventing 2. 2 .2. 3 Bioslurping 2. 2 .2. 4 BioPurge SM /BioSparge SM 2. 2 .2. 5 ... 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. 1...

Ngày tải lên: 11/08/2014, 07:20

... C Thermal Processor Data Model number D -2 4 2 4-6 Q -2 4 2 4-6 Q -2 4 2 4-6 Number of units 1 1 2 Soil feed rate, lb/h 7,500 15 ,25 0 61,000 Soil moisture content, % 20 20 20 Soil discharge temperature, °F 400 ... 6:1———— cis-1 , 2- Dichloroethylene 1000 104:1 77:1 52: 1 34:1 26 :1 100 77:1 52: 1 26 :1 4:1 — 10 52: 1 26 :1 — — — 1 26 :1 ———— 1 , 2- Dichloroethane 1000 56:1...

Ngày tải lên: 11/08/2014, 07:20

... h Phenanthrene 2. 1 0. 027 0.056 26 m 25 ,000 0 .27 7 6,930 2. 5 h Carbazole 500 0.067 33 10.5 m 5 0 .23 1 1.16 3 m Benz(a)anthracene 0. 12 0.046 0.005 15 .2 l 0. 12 0.0001 0.00001 6 ,25 0 m 3.5 0.007 0. 024 1 02 m 20 .8 ... m 3.5 0.007 0. 024 1 02 m 20 .8 0.003 0.0 62 231 m 25 .8 0.005 0.134 133 m 17 .2 0.008 0.060 199 m 22 .1 0.006 0.130 118 m 42. 6 0.003 0.118 25 2 m 72....

Ngày tải lên: 11/08/2014, 07:20

... elutriate (see Soil Flushing, Section 2. 2.1.7.) 28 . The pump-and-treat method can be combined with bioventing, if the groundwater has become contaminated (see Section 2. 2.1.7). 29 . Soil vapor extraction ... injection (see Section 2. 2 .2. 2). 36. Regenerative resin for ex situ vapor treatment can be combined with in situ bioventing to reduce bioremediation costs (...

Ngày tải lên: 11/08/2014, 07:20

... 2, 3-Dimethylhexane n -Octane 3,4-Dimethylhexane n-cis -Butene -2 2 , 2- Dimethylhexane n -Pentane -2 2 , 2- Dimethylheptane 2, 3-Dimethylbutene-1 1,1-Dimethylcyclopentane Olefins C 4 1, 2- and 1,3-Dimethylcyclopentane Olefins ... 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...

Ngày tải lên: 11/08/2014, 07:20

... Lime 23 2. 2 .2 Zeolites 25 2. 2.3 Apatite 28 2. 2.4 Fe and Mn Oxides, Fe- and Mn-Bearing Amendments 31 2. 2.5 Alkaline Composted Biosolids 38 2. 2.6 Other Minerals and Industrial By-Products 39 2. 2.7 ... 4131/frame/C 02 Page 24 Friday, July 21 , 20 00 4:59 PM © 20 01 by CRC Press LLC Remediation of Metal- and Radionuclides -Contaminated Soils 47 2. 2.7 In Situ Redox...

Ngày tải lên: 18/06/2014, 19:20

... residence in the house of Mecaenas [22 1]. Of all the places of retirement from the city, he ( 126 ) chiefly frequented those upon the sea- coast, and the islands of Campania [22 2], or the towns nearest ... of the calends of September [the 19th August], at the ninth hour of the day, being seventy-six years of age, wanting only thirty-five days [25 8]. His remains were carried...

Ngày tải lên: 23/03/2014, 17:20

... Equations 2. 4 to 2. 7. C + H 2 O D CO + H 2 (2. 4) C + CO 2 D 2CO (2. 5) CO + H 2 O D H 2 + CO 2 (2. 6) CH 4 + H 2 O D CO + 3H 2 (2. 7) © 20 09 by Taylor & Francis Group, LLC World Biofuel ... Selectivities (wt%) 100Fe/ 6Cu/5K/ 25 SiO 2 100Fe/6Cu/ 5K/3Al 2 O 3 / 22 SiO 2 100Fe/6Cu/ 5K/5Al 2 O 3 / 20 SiO 2 100Fe/6Cu/ 5K/7Al 2 O 3 / 18SiO 2 100Fe/6...

Ngày tải lên: 20/06/2014, 00:20