Record
Number |
Ash Types |
Application |
Details of application |
Standard Application |
1 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Concrete |
Supplied to EN450-1:2005 as a
Type II addition |
Concrete Manufacture |
2 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Filler aggregate in concrete |
Used as a Type I addition in
concrete, e.g. as an inert filler |
Filler aggregate |
3 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Grouting mines and caverns |
Used as aggregate and binder in
conjunction with cement to fill mines and caverns |
Grouting |
4 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Road Sub-base binder |
Used as a binder in conjunction
with lime or cement in road sub-base construction |
Road Construction |
5 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Cement Manufacture - kiln feed |
Used as a source of silica in
the cement making process |
Cement Manufacture |
6 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Cement Manufacture - Blended
cement |
Blended with CEM I in the cement
factory to produce blended cements, e.g. CEM II B-V |
Cement Manufacture |
7 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Aggregate for mortars |
Used as a partial of complete
replacement for the fine aggregate in mortar mixes for bricklaying, etc. |
Filler aggregate |
8 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Aggregate in concrete block
making |
Used as a cementitious material
and filler aggregate in the manufacture of lightweight concrete blocks |
Block making |
9 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Aggregate in aerated block
manufacture (Aircrete) |
Used as primary material in the
manufacture of autoclaved aerated concrete blocks. |
Block making |
10 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Aggregates in ceramic bricks |
Used as a partial replacement of
clay minerals in brick manufacture |
Filler aggregate |
11 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Aggregates in ceramic tiles |
Used as a partial replacement of
clay minerals in tile manufacture |
Filler aggregate |
12 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Filler in rubber products |
Used as filler material in
rubber products, e.g. tyres. |
None of the standard uses |
13 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Material for artificial
aggregates |
Source of material for the
manufacture of sintered pulverised fuel ash aggregates, e.g. Lytag |
None of the standard uses |
14 |
Cenospheres, Floaters |
Filler for paints and plastics |
Used as a lightweight filler in
the manufacture of paints and plastics |
Filler in non-cementitious
products |
15 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Filler aggregate in foam bitumen
products |
Used as a filler in foam bitumen |
Road Construction |
16 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Filler aggregate in asphalt
mixtures |
As a filler in asphalt
formulations |
Road Construction |
17 |
Furnace Bottom Ash, Wet Bottom
Ash |
Aggregates for block manufacture |
As a coarse and fine aggregates
in the manufacture of dense and lightweight blocks |
Block making |
18 |
Furnace Bottom Ash, Wet Bottom
Ash |
Aggregate for horse menages |
As a surface for exercising
horse |
Animal Husbandary |
19 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Grouting redundant pipes |
Used as an aggregate in grouts
for filling and sealing redundant pipework, thereby prevent access to vermin,
etc. |
None of the standard uses |
20 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Filler in fire protection
coating |
Used as a filler material in the
formulation of fire prevention/protection coatings. |
None of the standard uses |
21 |
Furnace Bottom Ash, Wet Bottom
Ash |
Drainage media for golf courses |
Used as a free draining material
on golf courses. |
Aggregates - unbound |
22 |
Furnace Bottom Ash, Wet Bottom
Ash |
Used as a capping layer |
As a capping layer in road
construction to act as a drainage layer. |
Road Construction |
23 |
Furnace Bottom Ash, Wet Bottom
Ash |
Capillary break in embankments |
Used as a medium to prevent
capillary rise in embankments made of fine grained materials, such as fly
ash. |
None of the standard uses |
24 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Binder in soil stabilisation |
Used as binder in conjunction
with lime and/or cement in soil stabilisation |
None of the standard uses |
25 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Binder in contaminated land
treatment |
Used as a binder and
permeability reducing material in the treatment of contaminated land. |
None of the standard uses |
26 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Grouting in nuclear containment |
Used as a binder/filler
aggregate in conjunction with cement and other binders in the sealing and
containment of nuclear wastes. |
Grouting |
27 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Aggregate for dam construction |
Used as an aggregates and binder
in roller compacted concrete for dam construction. |
Concrete Manufacture |
28 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Manufacture of zeolites |
Material for the manufacture of
artificial zeolites |
None of the standard uses |
29 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Manufacture of Aardelite |
Material for the manufacture of
artificial aggregate, called Aardelite. |
None of the standard uses |
30 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Manufacture of insulating
materials |
Used as a primary source of
silica in the manufacture of insulating materials, e.g. loft insulation and
similar. |
None of the standard uses |
31 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Magnesium Oxide cement - filler |
Used as a filler cement in
Magnesium Oxide based cement formulations |
Cement Manufacture |
32 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Grouting - permeation grouting |
Used in conjunction with cement
and/or lime to permeate fissures and pores within poor ground improving the
stability. |
None of the standard uses |
33 |
Siliceous Fly Ash, PFA, Coal Fly
Ash |
Filler aggregate in anhydrite
cement |
Used as a filler in anhydrite
cement appplications, e.g. self levelling floor screeds, etc. |
None of the standard uses |