Garg Brothers Scientific Glass Private LimitedGarg Brothers Scientific Glass Private Limited

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Standard Units

We manufacture a wide range of standard distillation units that are widely used in labs at various industries and laboratories. These are fabricated using superior quality raw material and can be customized as per the specifications of our clients.

Simple Distillation Units

Simple Distillation Units 

We manufacture a wide range of simple distillation units which are It consists of a vessel mounted in a heating bath and fitted with a condenser for condensing the fumes. receiver with drain valve can be added for receiving the condensate. The units are available in vessel sizes of 20, 50, 100, 200 & 300 Ltr. and is suitable for operation under atmospheric pressure and full vacuum.

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Reaction Unit 

This unit is used for carrying out reactions under stirred condition and with provision for simple reflux distillation. The reaction vessel is mounted in a heating bath and fitted with addition vessel, motor-driven stirrer and provision for condensation with refluxing. The product is sub-cooled and collected in a receiver. The units are available in vessel sizes of 20, 50, 100 & 200 & 300Ltr is suitable for operation under atmospheric pressure and full vaccum. *These units are available in cylindrical vessel also
Reaction Unit

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Reflux Reaction Cum Distillation Unit

Reflux Reaction Cum Distillation Unit 

This is a versatile unit and can be used as Reaction Distillation Unit, Fractional Distillation Unit or a combination of both. All features of Reaction Distillation Unit and Fractional Distillation Unit are incorporated.

The units are available in vessel sizes of 20, 50, 100 & 200L, and 300Ltr. is suitable for operation under atmospheric pressure and full vaccum.

Reactor
Capacity

Bath
KW

Addit-
tion
Vessel

Vapour
Line

Conde-
nser
HTA M

Cooler
HTA
M

 

Receiver
Size

10 L

2

2 L

50 DN

0.2

0.1

2 L

2L

20 L

3

5 L

80 DN

0.35

0.1

2 L

5L

50 L

4.5

5 L

100 DN

0.5

0.2

5 L

10L

100 L

6

10 L

150 DN

1.5

0.35

10 L

20L

200 L

9

20 L

150 DN

1.5

0.35

10 L

20L

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Fractional Distillation Unit 

This is essentially a compact batch-type fractional distillation unit in which the reboiler consists of a vessel mounted in a heating bath and with a packed column above. The vapours from top is condensed and can be refluxed as per requirement. The top product is sub-cooled and collected in receivers.The bottom product is finally drained from the reboiler through a drain valve.The units are available in vessel sizes of 20,50,100 & 200L, and 300Ltr. is suitable for operation under atmospheric pressure and full vaccum.

Reactor
Capacity

Bath
KW

Addition
Vessel

Vapour
Line

Condenser
HTA M2

Cooler
HTA M2

Receiver

10L

2

2 L

50 DN

0.2

0.1

2L

20 L

4

2 L

80 DN

0.35

0.1

5L

50 L

4.5

5 L

100DN

0.5

0.2

10

100 L

6

10

150 DN

1.5

0.35

, 20L

200 L

9

20

150 DN

1.5

0.35

, 20L

 

Fractional Distillation Unit

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Assemblies Over Glass Lined Reactors

Assemblies Over Glass Lined Reactors 

Glass Lined Reactors are used instead of glass reactors specially when scale of operation is large and relatively high pressure steam is to be used as heating media. Quite often assemblies like Simple Distillation Unit, Reaction Distillation Unit, Fractional Distillation Unit etc. are installed above glass lined reactors. The basic features of these assemblies remain the same but glass shell and tube heat exchanger is preferred due to large scale of operation. A typical fractional distillation unit type assembly over GLR is shown in adjacent figure.

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HCI Gas Generation (Sulphuric Acid Route) 

Commercial hydrochloric acid is available in the market as 30% aqueous solution and is widely used in industry in large quantities. But for certain applications e.g. in bulk drug/pharmaceutical industry HCI gas is required in anhydrous state for critical reactions where moisture cannot be tolerated. Such users generate anhydrous HCI from commercial grade for their captive consumption. Several methods have been adopted but generation through SULPHURIC ACID ROUTE is the most reliable and handy technique. Operational reliability – the unit can be started/stopped in seconds Compact and continuous unit – all operations viz. drying, mixing, gas generation and cooling achieved in same unit. Available in wide range capacities – from ±5kg to 200kg/hr of dry HCI. Except cooling water no other utility e.g. Steam, chilled water etc. are required. • Anhydrous gas. • Ease of installation. • Capable of operating from 25-120%. • Negligible pressure drop • High efficiency – 99%.
HCI Gas Generation (Sulphuric Acid Route)

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HCL Gas Absorber (Adiabatic Type)

HCL Gas Absorber (Adiabatic Type) 

HCL absorption columns are used for absorption of Hydrochloric gas, which statutorily are not permitted to vent into the atmosphere, and to produce the HCl acid. The column is constructed with a series of packed sections, a gas introduction point below that, a condenser on the top, and a cooler at the bottom. Make water is sprayed from the top and acid is collected from the bottom. HCL absorption columns are available in 80DN to 300DN diameter (for the gas rate 10 Kgs/hr to 300 Kgs/hr approx).

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HCL Gas Absorber ( Falling Film Type) 

Hydrogen Chloride gas is produced from the variety of process industries & mainly from chlorination operation. This must be scrubbed before venting to the atmosphere. Hydrogen chloride has great affinity of water and easily absorbed in water. The absorption of Hydrogen Chloride gas in to water cause large amount of heat, which has to be removed by means of suitable device. The falling film absorber is the simplest form of HCl absorber, which can be operated continuously. Falling Film Absorber is a vertically mounted shell and tube heat exchanger. The standard configuration of the falling film absorber consists of a suitable shell and tube heat exchanger with the necessary drain outlet for the acid. The Hydrogen Chloride Gas enters at the top of the absorber and flows concurrently with water/Dilute HCl. Cooling Water is circulated through shell side of the Falling Film absorber to absorb the heat generated by the dilution of Hydrochloric acid gas with water. Due to its unique design and construction, the heat of absorption is efficiently removed at the zone of absorption, thereby making the absorber extra efficient. Thus the higher concentration of acid is produced due to low absorbing temperature. • Capacity Range : 10Kg /hr to 900 KG/hr. • Available up to 600mm dia.

Features :

 • High absorption efficiency.

• High acid concentration achievable.

• Low outlet temperature.

•Easy operation and maintenance.

• Safe Operation due to low isothermal temperature.

• Handle a wide range of gas loading with minimum liquid flow rates to maintain full

• tube wetting.

• All the wetted parts of the falling film absorber are corrosion resistant to all the

• aggressive gases even at elevated temperatures.

• Variation in Hydrogen Chloride Gas flow rates or Composition causes no operation problem.
HCL Gas Absorber ( Falling Film Type)

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