ZLD
ZLD is an abbreviation of Zero Liquid Discharge
It is an advanced wastewater treatment process designed to remove all liquid waste from a system,
so that only treated water is reused and only solid waste remains for disposal. It is a closed-loop
system typically used in industry to manage wastewater responsibly.
Zinc
Zinc is not an abbreviation, but a noun.
In this case, it relates to zinc coating, which is a process. that applies a thin layer of zinc
to iron or steel to prevent corrosion. The layer acts as a barrier and as a sacrificial anode (it
corrodes itself to protect the underlying metal). This process is widely used in the construction
and automotive industries for products such as thin sheets, pipes, fittings, flanges, fasteners,
beams, roof structures, etc.