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Division BAT 52 In order to prevent or reduce VOC emissions to air from loading and unloading operations of volatile liquid hydrocarbon compounds, BAT is to use one or a combination of the techniques given below to achieve a recovery rate of at least 95 %.

United Kingdom

Original text. Later amendments are not shown.

A vapour destruction unit (e.g. by incineration) may be substituted for a vapour recovery unit, if vapour recovery is unsafe or technically impossible because of the volume of return vapour.

TechniqueDescriptionApplicabilityf1

Vapour recovery by:

  1. (i)

    Condensation

  2. (ii)

    Absorption

  3. (iii)

    Adsorption

  4. (iv)

    Membrane separation

  5. (v)

    Hybrid systems

See Section 1.20.6Generally applicable to loading/unloading operations where annual throughput is > 5 000 m3/yr. Not applicable to loading/unloading operations for sea-going vessels with an annual throughput < 1 million m3/yr

Annotations

Footnotes

f1

A vapour destruction unit (e.g. by incineration) may be substituted for a vapour recovery unit, if vapour recovery is unsafe or technically impossible because of the volume of return vapour.

Notes on Division

Footnotes

f1

Hourly values in continuous operation expressed and measured according to European Parliament and Council Directive 94/63/EC (OJ L 365, 31.12.1994, p. 24).

f2

Lower value achievable with two-stage hybrid systems. Upper value achievable with single-stage adsorption or membrane system.

f3

Benzene monitoring may not be necessary where emissions of NMVOC are at the lower end of the range.