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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 106PERMITS BY RULE
SUBCHAPTER PPLANT OPERATIONS
RULE §106.374Lime Slaking Facilities

Any lime slaking facility used to mix quicklime with water is permitted by rule, provided the following conditions of this section are met:

  (1) the mixing vessel shall be horizontal;

  (2) the mixing vessel shall use interior mechanical agitation parallel to the bottom and agitate the water over the full length of the vessel;

  (3) quicklime shall be injected into the mixing vessel as follows:

    (A) where injection is from a pneumatic transfer system, the quicklime shall be injected at a point at least 12 inches under the surface of the agitated water; or

    (B) where injection is from a non-pneumatic conveying system unloading at the top of the vessel, emissions from any vent on the vessel shall be controlled by an appropriately sized wet scrubber;

  (4) there shall be no visible emissions (other than uncombined water).


Source Note: The provisions of this §106.374 adopted to be effective March 14, 1997, 22 TexReg 2439; amended to be effective September 4, 2000, 25 TexReg 8653

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