Rice Husk Ash India

1
Welcome to Global Recycling

• Topics To be Discussed As Follows
• Properties of Burnt Rice Husk and its uses in
  covering compound
• How to manage refractory waste?
• How to change waste of refractory back into raw
  materials
• Rice husk ash Properties and its use as cement
• What are the types of refractory materials?

2
Properties of Burnt Rice Husk and its uses in
covering compound

• The following properties are altered with
  the addition of rice husk
• The heat of hydration is deceased. This itself
  assist in drying shrinkage and make easy
  toughness of the concrete mix.
• The decline in the permeability of concrete
  construction, thisll help in the penetration of
  chloride ions, therefore avoiding the breakdown
  of the concrete construction.
• Theres a higher boost in the chloride and
  sulfate attack resistance

3
How to manage refractory waste?

• Management of refractory waste
• One more research was based on investigating the
  management of wastes of polyethylene
  terephthalate bottles as lightweight aggregate in
  a matrix of blast furnace slag.
• High temp resistant waste zeolite catalyst
  replaces up to ten percent of fine aggregate in
  cement mortars.
• Concrete with some palm shells as coarse
  aggregate was investigated and the outcomes were
  within the usual number for structural light
  weight concrete
• Concrete has been manufactured with ceramic
  waste aggregate whose properties are manageable
  to those of the traditional concrete.
• Refractories are ceramic contents which are made
  to withstand a range of server service
  situations, including abrasion, corrosive gases,
  and liquids, high temperatures, thermal and
  mechanical induced stresses. Research also
  indicated that refractory waste brick could be
  recycled into a new one and could be reused as
  stones for decorative purposes in landscaping

4
How to change waste of refractory
Refractory bricks Specialized bricks applied to
line kilns, furnaces, incinerators and reactors
for extreme temp process are expensive to make
and tough to recycle. A research project
REFRASORT spend the last 3 years finding a method
to enhance sorting of used refractories, aiming
to change industrial waste into a helpful raw
material. The team has made an automatic system
which utilizes laser induced break down
spectroscopy to grade the applied refractory
bricks and a unit of pushers to manage them. The
need for superior recycling is clear. just top
5 to 7 percent of the demand for raw contents is
met by recycled contents and this only covers
some applications, so massive material is lost.
Presently most spent refractories are applied for
small-grade applications such as developing
roadbeds or go to landfill. At the similar time,
European producers of the bricks are extremely
dependent on importing the line of raw materials
required to make them 90 percent of bauxite,
for example, is imported from China and costs
are volatile.
5
Rice husk ash Properties and its use as cement
With this, the value of burnt rice husk has
boosted a lot. It holds countless organic fibers
in the same. The burnt rice husk has an extremely
rough exterior and is quite rough in its nature.
They're extremely resistant to the natural form
of poverty. If it had not been applied for
numerous purposes in our regular life it'd have
been a case of improper disposal. Utilizing these
as a byproduct had been one of the most
well-organized and effective ideas. There're
several manufacturing factories which use burnt
rice husk in a much superior way. Burnt Rice Husk
Ash Chemical Composition are Hemicelluloses,
Lignin, SiO2 , Holocellulose, Cellulose. These
compounds within them are quite usual in
producing the burnt rice husk. Lots of times the
excellence of the rice husk might vary depending
upon the treatment of chemical on the same. When
we say treatment it's meant that it has to be
done via a few chemical treatments to bring out
the top in it.
Rice Husk Ash Properties
6
What are the types of refractory materials?

• What are the types of refractory materials?
• Alumina refectories' are used mainly in and
  around blast lime, furnaces, glass tanks, cement,
  and ceramic kilns and for melting a range of
  metals.
• Fireclay
• Fireclay brick is very durable and reasonably
  priced, making it the most ordinary type of
  refractory brick applied in kilns, furnaces,
  stoves, and kilns.
• Silica Brick
• Silica brick is extremely strong, even at
  temperatures that move toward their fusion spot.
  A range of types of silica brick are applied
  widely in the steel and glass industry.
• MAGNESITE
• The physical properties of MAGNESITE brick are
  literally poor, with their rate mainly in their
  resistance to iron-rich slags and lime. Magnesite
  refectories' are vital to the steelmaking
  procedures.
• Chromite
• Chromite refectories' (chrome - MAGNESITE) are
  applied for in high level temperature furnaces.
  These contents can withstand corrosive gases and
  matter, making them very suitable for use in
  steel metal as well as similar functions.

7
Contact Us
Address - Unit 717, Acropolis, 7th Floor,
1858/1 Rajdanga, Kolkata 700107, India Contact
Number 91 3340442580 Email Id
info_at_globalrecycling.in Website -
https//www.ricehuskash.org/