Waste Management

Download Groundwater and soil remediation : process design and cost by Marve Hyman PDF

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By Marve Hyman

"Groundwater and Soil Remediation: procedure layout and value Estimating of confirmed applied sciences" describes traditional therapy applied sciences and explains how they're designed and what they rate. This functional booklet presents layout information and examples of remediation thoughts with an emphasis at the integration of remediation applied sciences right into a method layout scheme. Chemical engineering thoughts are utilized to civil and environmental engineering and hydrogeologic infection difficulties, permitting engineers to pick the best-suited remediation answer from competing possible choices. the stairs in systematic strategy layout and method keep an eye on are defined intimately for a number of soil and groundwater remediation strategies, together with metals elimination from groundwater, groundwater remediation utilizing carbon absorption, stripping of groundwater, aqueous chemical oxidation, bioremediation structures, soil venting, thermal remedy for soils and sludges, soil washing, and stabilization and solidification. purposes of conventional fee estimating equipment in addition to these constructed particularly for remediation structures, in response to what's frequently restricted subsurface info, also are provided. The publication offers a logical pathway for picking out the simplest possible mixtures of techniques for complicated remediation structures, explains how readers can learn how to interpret or create piping and instrumentation diagrams (P&IDs), and provides a entire exposition for fee estimating of remedy structures with either conventional equipment and desktop courses.

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Extra info for Groundwater and soil remediation : process design and cost estimating of proven technologies

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For soil that is to be treated ex situ, the extent of contamination is never completely known until the soil is excavated. For these reasons, pilot tests are often extensive, and final remediation is frequently preceded by interim remediation. These steps sometimes further the design of groundwater extraction systems, as well as remedial treatment systems. 1 Basic Principles The design of soil and groundwater remediation systems often requires flexibility in their capability to be expanded and to be operated at highly variable flow rates.

Saturated Hydraulic Conductivity (cm/s) Low Medium High Contaminant Level (10'5-10-2) (>10'2) (<10'5) Fuel: Gasoline, Naphtha SVE, LT, TD UZB, SVE, LT UZB, SVE, LT Low (1 00-500 mg/kg) UZB, SVE, LT UZB, SVE, LT SVE, LT, TD Medium (500-5,000 mg/kg) UZB, SVE, LT SVE SVE, LT, TD High (>5,000 mg/kg) Fuel; Diesel, No. 2 Fuel Oil, Kerosene, JP-1, Mineral Spirits UZB, SVE, LT UZB, LT, TD Low (100-500 mg/kg) SVE,LT UZB, LT, TD UZB, SVE, LT SVE, LT, TD Medium (500-5,000 mg/kg) LT, TD UZB, LT, SVE, TD SVE, LT, TD High (>5,000 mg/kg) Fuel: No.

Step 2: Formulate alternative treatment trains that are technically feasible and place the process options in each train in a logical order. Step 3: Estimate the quantitative effectiveness of each alternative. Step 4: Choose from the technically feasible alternatives. 28 Certain criteria set forth by the USEPA (198 8) for evaluating and comparing alternatives are used for Step 4. These criteria are used in feasibility studies for CERCLA or Superfund sites, and are useful for any remediation site where multiple choices apply.

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