| Xenon |
An inert gaseous element.
|
Y-Cylinder
|
Bulk vessel for gas storage; commonly referred to as a "pig" or "tonner."
|
Yoke
|
The portion of a
safety/relief valve that surrounds the spring; e.g., the spring housing. |
ZDDP
|
Zinc dialkyldithiophosphate,
an antiwear additive found in many types of hydraulic and lubricating
fluids. |
Zeolite
|
A synthetic adsorbent capable of electively removing contaminants or
separating components of a feed stream. In air separation it is used to
remove CO2, water, and hydrocarbons from air. It is used in temperature
swing adsorbers (TSA), as well as in pressure-swing adsorbers (PSA). AKA -
Molecular Sieve. |
Zero
|
The temperature of pure melting ice under standard atmospheric pressure on
the Centigrade and Réaumur scales. |
Zero Discharge Water
|
A
discharge limit applied to manufacturing and commercial establishments in
which only normal human sanitary wastewaters may be discharged to the
municipal sewerage system. All other types of wastewater, such as that water
used in manufacturing processes, are not included in zero discharge water;
these wastewaters must be recycled, and the resulting waste products must be
taken to an alternate and approved disposal facility. |
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