A 5
B 1
C 8
D 4
E0
F 4
G 2
H 2
I0
J0
K0
L 5
M 4
N 1
O0
P 4
Q 1
R 2
S 11
T 3
U0
V0
W 1
X0
Y0
Z0
Sandlime bricks

Calcium silicate bricks produced by autoclaving a mixture of sand and lime.

Scrubber

Any of several forms of chemical/physical devices that remove sulfur compounds formed during coal combustion and especially from coal-fired power plants.

Sinterized lime

Dead burnt lime.

Slag

Refers to the solid or liquid impurities removed from molten metal in the metallurgical processing.

Slaked lime

Hydrated lime

Sludge

Any solid or semisolid or liquid waste generated from a municipal, commercial, or industrial wastewater treatment plant water supply treatment plant or air pollution control facility (wet scrubbers) or any other such waste having similar characteristics and effect.

Slurry

Particles in suspension in water.

Soft burned lime

A quicklime calcined at relatively low temperature. It is characterised by its high porosity and chemical reactivity.

Sorbent

The term applied in some combustion systems, to the chemical compounds that are added to the gas side of the steam generator to reduce (sorb) emissions. For example, limestone is used in fluidized-bed steam generators to reduce sulfur dioxide emissions.

Stucco

Form of plaster for coating walls.

Sulphur absorber

It binds Sulphur in flue gases to form solid phases that can be removed.