Nitric Acid Plant

Leading Manufacturers, Exporters, Wholesaler, Retailer of Nitric Acid Manufacturing Plant, Concentrated Nitric Acid CNA Plant and NOx Absorption Plant from Vadodara.

Business Type Manufacturer, Exporter, Supplier, Retailer, Wholesaler
Type Nitric Acid Manufacturing Plant
Application As Per Requirement
Purity As Per Requirement
Power As Per Requirement
Pressure As Per Requirement
Output As Per Requirement

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Location Worldwide

BVR Provides complete turnkey solutions for the manufacturing plant projects of Nitric acid from Ammonia & allied products.

Our services include preparation of preliminary estimation, pre-feasibility reports, DPR, Plant technology, know-how, basic & detail engineering, project execution, procurement, fabrication, erection supervision and plant commissioning.

 

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Business Type Manufacturer, Exporter, Supplier, Retailer, Wholesaler
Type CNA Plant
Weight As Per Requirement
Voltage As Per Requirement
Capacity As Per Requirement
Automatic Grade As Per Requirement
Power As Per Requirement
Driven Type As Per Requirement

Preferred Buyer From

Location Worldwide

Nitric Acid Concentration

Concentrated Nitric Acid CNA ( i.e. high-strength nitric acid at 98 -99% w/w.) is an important chemical for Chemical & Pharmaceutical industries in general (like polymers & plastics, dyestuff, bulk drugs, explosives, Fertilizers and other important organic nitro-compounds). This acid is frequently used as "nitrating acid".
Industrially manufactured Nitric acid is obtained as a weak acid solution, at a concentration of about 65% -67% w/w (max.), which is of no use whatsoever for the various processes stated above,


Owing to the physical behaviour of the nrtric acid / water system, it is not possible to remove excess water from this weak acid by a fractional distillation process because this solution forms an azeotrope, a constant acid / water boiling composition at about 68% w/w. acid.
To concentrate this acid further an extractive distillation process by adding concentrated sulphuric acid needs to be employed. While the water goes this sulphuric acid gets diluted, which can be again re-concentrated and reused for the concentration of dilute nitric acid again.

Reconcentration of weak Sulphuric Acid
The dilute sulphuric acid stream coming off the bottom of the Extractive Distillation Column is reconcentrated back to the same service by using BVR's sulphuric acid re-concentration plant, which can be coupled directly with the nitric acid concentration system so that no cooling of the weak sulphuric acid is necessary, thus saving a large amount of heating energy for the economical benefit of the user.

NOx Absorption
The NOx gases escaping from the Nitric acid Concentration System, along with bleaching air, are absored in BVR's special NOx absorption plant and is recycled back into the main system as an aqueous solution of nitric acid, at concentration comparable to those of the nrtric acid feed to the same System : the residual gases vented to the atmosphere have NOx. content below the acceptable values as per environmental norms.

Pre-concentration of weak Nitric Acid solution
Whenever a solution of Nitric Acid is too weak for direct Extractive Distillation (typically below 45% -50% w/w.), it can be pre-concentrated to its azeotropic grade by our vacuum Fractional Distillation plant.

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Business Type Manufacturer, Exporter, Supplier, Retailer, Wholesaler
Type Absorption Plant
Application As Per Requirement
Weight As Per Requirement
Voltage As Per Requirement
Automatic Grade As Per Requirement
Power As Per Requirement

Preferred Buyer From

Location Worldwide

NOx is the generic name given to Nitrogen Oxides. NOx is generated from many processes including nitration process, for both organic and several inorganic compounds (including a few important metals).

This is generated due to the partial degradation of Nitric Acid used in the nitration process, as well as to the final treatment of the "spent" acid.

These gases are also formed in the nitration of aromatic compounds (toluene, naphtalenes and many of their derivatives), including the production of practically all types of explosives, in the attack of some relevant metals (like copper, bismuth, etc.), in gold & silver refineries and also in the "Nitric Acid Concentration (NAC)" Plants.

BVRs NOx Absorption Plants, uses water or caustic solution as per the need.

Proper oxidation of NO is completed for the optimum absorption efficiency with minimal energy consumption. When absorbed with water Nitric acid produced can be re-used for re-use in the main process. Both absorption under atmospheric pressure and higher pressures are possible. At lower pressures the acid concentration is low and so is the absorption efficiency with a higher level of emissions. With Pressurised absorption the acid concentration could reach upto 50%w/w and the emission would be considerable lower too.

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