Gainful Utilization of Granite Slurry

1
Gainful Utilization of Granite Slurry

• Development Demonstration of
• Techno-commercial solution
• Substituting
• Sand with Slurry
• in Cement
• Wall Tiles
• Paver Blocks

2
Slurry disposal on open lands, often good
cultivable soil

• Thin layer slurry, disposed on open lands,
  prevents seepage of even rain water, thus even
  grass doesnt grow
• Dried slurry, which is very fine in size, in
  summer, flies in air
• Not recovering water from slurry, leads to
  depletion of water in granite cutting polishing
  clusters
• - - - - Negative effects are un ending

3
Negative Impact of Illegal / Excessive mining of
Sand

• Depletion of water table around water banks,
  mainly effecting the farmers
• Contamination of fresh water sources with saline
  waters in the sea belt reverse influx
• Weakening of bridges, electrical / communication
  / transmission constructions
• - - - - - - Negative effects are un ending

4
Innovative Concept Demonstrated Ready for
Commercialisation

• Substitution of sand
• with
• granite slurry
• in making
• cement based Wall Tiles
• Paver Blocks

5
NEED POSSIBILITY

• Promote a common facility for collecting
  refining of slurry from a set of industries (CETP
  like)
• Promote / enable enterprises for making use of
  dried slurry
• Enable market linkages for slurry based products

6
NEED POSSIBILITY

• Highlight the facts advantages of these
  products to MoEF / Central Excise / Sales Tax /
  Industries Commerce depts., for extending
  possible policy / administrative / financial
  benefits
• Currently, for promoting usage of blast furnace
  slag, the prevailing 16 Central Excise is being
  exempted for tiles / paver manufacturers

7
Prevailing Slurry Disposal Scenario in SSI
sector, in Andhra Pradesh, India
8
Slurry disposal pond in larger units A
temporary storage before disposal
9
Slurry Treatment Water Recovery Silo
10
Wet Slurry Filter Press
11
Filtered Slurry Cake
12
Slurry being mixed with other materials in making
designer wall tiles (slurry cement sand
gravel specialty polymer water pigment)
13
Manual Loading of mix in rubber moulds
14
Slurry based wall tiles
15
Testing Evaluation Fine tuning

• Composition of Granite Slurry one sample of
  APSi O2 37.49 Mg O 7.86 Ca O
  7.84 K2 O 0.10 Loss on Ignition 22.84
  Na2 O 1.25 Al2 O3 15.36 Fe2 O3
  4.99 Ti O2 1.94

16
Partners of the innovation

• C I I A P T D C owners of the concept
• BMTPC A Govt. of India agency, extending
  financial support
• Aster Vinyls, Bangalore An industry by a
  Technocrat, extending knowledge equipment
• Industry samples of Slurry based Wall Tiles
• Paver Blocks developed. Testing fine
• tuning is happening. Meeting the specific
• requirements of buyers is very much
• possible.

17
Status of the innovation

• Industry samples of Slurry based Wall Tiles
  Paver Blocks developed
• Testing fine tuning is happening
• Meeting the specific requirements of buyers is
  very much possible
• Feedback inquiries of entrepreneurs is welcomed.