グリコール含有の航空機用防除雪氷剤の再生方法

Title:

グリコール含有の航空機用防除雪氷剤の再生方法

Document Type and Number:

Japanese Patent JP6267329

Kind Code:

B2

Abstract:

The present invention relates to a method for reprocessing aircraft de-icing agents comprising glycol, in which (1) the used aircraft de-icing agent, which is possibly contaminated with runway de-icing agents, is collected in a suitable device, (2) the used aircraft de-icing agent collected in this manner is subsequently brought to a glycol content of between 50 and 75% by weight without or after only course prior separation of solid or suspended impurities by expelling water (3) and the concentrate obtained in this manner is separated into a water/glycol mixture and residue by means of a thin-film evaporator, and (4) the water/glycol mixture is collected.

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Inventors:

Stankowiak Achim

Application Number:

JP2016518857A

Publication Date:

January 24, 2018

Filing Date:

May 23, 2014

Export Citation:

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Assignee:

Clariant International Limited

International Classes:

C09K3/18; B64D15/00; B64F1/36

Domestic Patent References:

JP2000297055A
JP6500950A
JP2012514053A

Attorney, Agent or Firm:

Mitsufumi Esaki
Blacksmith
Katsunori Uenishi
Ichiro Torayama

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