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TECHNOLOGIES

The Process Technologies offered by ESPINDESA, in the form of engineering systems, proprietary equipment, non-proprietary equipment and totally installed process units, are well proven as shown in the List of References. (Refer to Project Section.)

The Processes and Technologies licensed by ESPINDESA are as follows:

01. NITRIC ACID DUAL PROCESS

Weak Nitric Acid Dual Pressure Process:

  • Acid concentrations: 60 -68%
  • Low N2O emissions
  • Extremely efficient consumptions
  • Pollution prevention at start-up / shutdowns

Technology sheet
02. NITRIC ACID MP PROCESS

Weak Nitric Acid Monopressure Process:

  • Acid concentrations: 60%
  • Lower investment
  • Compact Design

Technology sheet
03. AZEOTROPIC NITRIC ACID

Azeotropic Nitric Acid Process:

  • Acid concentrations: 65-68%
  • Low N2O emissions
  • Extremely efficient consumptions
  • Pollution prevention at start-up / shutdowns

Technology sheet
04. CONCENTRATED NITRIC ACID (PROCESS DIRECT)

Concentrated Nitric Acid (Direct Proces):

  • Avoid use of additional chemicals
  • Lower steam consumption
  • Can produce concentrated and/or weak acid simultaneously

Technology sheet
05. CONCENTRATED NITRIC ACID(VIA Mg(NO3)2)

Concentrated Nitric Acid (via Mg(NO3)2 Process

  • Acid concentrations: 98.5%
  • Extractive destillation
  • Mg(NO3)2 as concentration agent

Technology sheet
06. AMMONIUM NITRATE SOLUTION

Ammonium Nitrate neutralization processes:

  • Atmospheric process
  • Pressure Process
  • Pipe reactor process

Technology sheet
07. AMMONIUM NITRATE PRILL (LDAN / HDAN)

Ammonium Nitrate prill process:

  • Prill Tower process
  • High Quality
  • Flexibility: the same plant is used to produce both AN grades (HDAN & LDAN)
  • Low emissions
  • Technology sheet
08. CALCIUM AMMONIUM NITRATE

Calcium Ammonium Nitrate process:

  • Granulation process
  • Different Fertilizer grade products can be produced in the same plant
  • Versatility is the key advantage of the process

Technology sheet
09. NPK (VIA PHOSPHORIC ACID)

NPK production via phosphoric acid:

  • NPK production via phosphoric acid:
  • Flexibility: Manufacture a wide range of NPK formulations
  • N/P ratios as high as 2.0, leads to lower operational costs
  • Low recycle ratios (1.5 to 2.1) that leads to lower investment

Technology sheet
10. NPK (STEAM GRANULATION PROCESS)

NPK steam granulation process:

  • Flexibility: Manufacture a wide range of NPK formulations
  • No need of phosphoric acid
  • Low recycle ratios (1.5 to 2.5)
  • Easy operations

Technology sheet
11. DAP (LOW RECYCLE) USING PIPE REACTOR

DAP production via pipe reactor:

  • N/P ratios as high as 2.0, leads to lower operational costs
  • Low recycle ratios (3.0)
  • High solubility of P2O5 in water (98%)
  • Easy operation

Technology sheet
12. NOx ABATEMENT

NOx Abatement:

  • Via Selective Catalytic reduction
  • Operating pressure can range from atm to 10 barg
  • Location either upstream or downstream of tail gas expander
  • Environmental regulations complied

Technology sheet
As well as:

• Revamping of DAP / NPK Plants using Pipe Reactor
• Ammonia Oxidation Units