Practical Design Calculations for Groundwater and Soil Remediation - Chapter 3 potx

... K ow = 34 Log(K ow ) = 4.88 for pyrene → K ow = 75,900 b. Using the given relationship, K oc = 0.63K ow , we obtain: K oc = (0. 63) ( 135 ) = 85 (for benzene) K oc = (0. 63) (34 ) = 22 (for 1,2-DCA) K oc ... × [ − × ⋅ + × ⋅ − × ⋅ +…    = −− − −− 0 5772 3 12 10 3 12 10 31 2 10 22 31 2 10 33 31 2 10 44 750 44 42 43 44 ©1999 CRC Press LLC 3. The migration of pyrene is e...

Ngày tải lên: 10/08/2014, 20:20

... C MW 24.05 [mg/m ] at 20 C MW 24.5 [mg/m ] at 25 C 3 3 3 =° =° =° 1ppmV MW 35 9 10 [lb/ft ] at 32 C MW 38 5 10 [lb/ft ] at 68 C MW 39 2 10 [lb/ft ] at77 C -6 3 -6 3 -6 3 =× ° =× ° =× ° ©1999 CRC Press LLC Weight ... LLC chapter seven VOC-laden air treatment Remediation of contaminated soil and groundwater often results in trans- ferring organic contaminant...

Ngày tải lên: 10/08/2014, 20:20

... Cataloging-in-Publication Data Kuo, Jeff. Practical design calculations for groundwater and soil remediation / Jeff Kuo. p. cm. Includes bibliographical references and index. ISBN 1-5 667 0-2 3 8-0 (alk. ... incinerators, and biological systems for groundwater and soil remediation; site assessment and fate analysis of toxics in the environment; RI/FS w...

Ngày tải lên: 10/08/2014, 20:20

... 0. 132 atm G = 0. 132 atm = 132 ,000 ppmV Use Eq. II.1.1 to convert ppmV to mg/m 3 (molecular weight = 133 .4 from Table II .3. C). 132 ,000 ppmV = ( 132 ,000)[( 133 .4/24.05)] mg/m 3 G = 732 ,200 mg/m 3 ... 0.0 83 2. 73 515 20 Tribromoethane 252.8 0.552 5.6 2.4 32 00 30 1,1,1-Trichloroethane 133 .4 14.4 100 2.49 4400 20 1,1,2-Trichloroethane 133 .4 1.17 32 2.47 4500 20 Trichloro...

Ngày tải lên: 10/08/2014, 20:20

... One 4-m 3 reactor b. Two 2-m 3 reactors in parallel (each receives 0.02 m 3 /min flow) c. One 1-m 3 reactor and one 3- m 3 reactor (each receives 0.02 m 3 /min flow) in parallel d. One 1-m 3 ... these arrangements and if it meets the cleanup requirement: a. One 4-m 3 reactor b. Two 2-m 3 reactors in series c. One 1-m 3 reactor followed by one 3- m 3 reactor d. One 3...

Ngày tải lên: 10/08/2014, 20:20

... contaminants. Solution: Basis = 1 m 3 of soil. 1 24 05 ppmV MW [mg/m ] at 20 C 32 24.05 1 .33 mg/m 0.00 133 mg/L 3 3 =° == = . 1 38 5 10 6 ppmV [lb/ft ] at68 F 32 38 5 10 0.0 83 10 lb/ft 3 6 63 =× ° =×= × − −− MW ©1999 ... L/m 3 soil) = 71,400 L/m 3 soil = 71.4 m 3 fresh air/m 3 soil. V .3 Soil washing/solvent extraction /soil flushing V .3. 1 Description of the...

Ngày tải lên: 10/08/2014, 20:20

... LLC chapter six Groundwater remediation This chapter starts with design calculations for capture zone and optimal well spacing. The rest of the chapter focuses on design calculations for commonly ... II .3. 14 to find K oc : K oc = 0.63K ow = 0. 63 (10 2. 73 ) = (0. 63) ( 537 ) = 33 8 Use Eq. II .3. 12 to find K p : K p = f oc K oc = (0.02) (33 8) = 6.8 L/kg Us...

Ngày tải lên: 10/08/2014, 20:20

... warehouses and stockrooms of large supermarkets, hand laborers and freight, stock, and material movers move stock and goods in storage and deliver FIGURE 3. 3 Cashiers must stand, lift groceries, and ... for the nature, body part, source, and exposure (accident type) for the 178,760 injuries are presented in Tables 3. 2, 3. 3, 3. 4, and 3. 5, respectively. 3. 2 .3 I...

Ngày tải lên: 18/06/2014, 22:20

... (Safety and health for office workers is covered in Industrial Safety and Health for Administrative Services.) Laborers and hand freight, stock, and material movers help load and unload freight and ... chemicals . Manual lifting and handling task . Improper fueling and charging batteries . Poor ergonomic design . Potential fires 4 .3 OCCUPATIONS The handling and storage...

Ngày tải lên: 18/06/2014, 22:20

... principles of e rgo- nomics, recognition of hazards and injuries, procedures for reporting haz- ardous conditions, and methods and procedures for early reporting of FIGURE 17 .3 Use a handtruck to avoid ... include repositioning bins and moving employees close r to parts and con- veyors. Store heavy objects at waist level. Provide lift-assist devices and lift tables. 17.8 CON...

Ngày tải lên: 18/06/2014, 22:20