Thermal Desorption (Low Temperature Thermal Desorption LTTD) facility

Thermal Desorption (Low Temperature Thermal Desorption LTTD) facility

Type of facility: Fictitious facility

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Description:
Thermal desorption separates contaminants from soil. Soil is heated in a chamber in which water, organic contaminants and certain metals are vaporized. A gas or vacuum system transports vaporized water and contaminants to an off-gas treatment system (the design of a system aims to volatize contaminants, while attempting not to oxidize them; otherwise, thermal desorption would be another way of saying incinerator). It is important to note that thermal desorption does not destroy organic compounds.
Based on the operating temperature, this process is categorized into two groups.
 
In Low Temperature Thermal Desorption (LTTD), wastes are heated to between 90° and 320°C. LTTD is most often used for remediating fuels in soil. Unless heated to the higher end of the LTTD temperature range, organic components in the soil are not damaged, which enables treated soil to retain the ability to support future biological activity.

In High Temperature Thermal Desorption (HTTD), wastes are heated to 320° to 560 °C. HTTD is not used for oil/ fuel contaminated soil treatment.


Type of waste accepted:

To be defined for the specific facility in country.


Entry criteria, pretreatment required and general treatment capacity:

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Logistical and operational requirements and constraints:

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Energy, water and other input required (nature and amount per ton treated):

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Nature of product that can be accepted:

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Reception installation in facilities / Reception equipment available in the facility:

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Quality of produced material (from the waste):

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Potential environmental impacts:

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Legal constraints:

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Efficiency and general cost:

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Latitude:
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published on 2019/12/10 14:45:51 GMT+0 — last modified 2019-12-10T14:45:51+00:00