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ANPSG 2002 Meeting
A. Sancho
Manager of Environmental Projects Division
ATMOSPHERIC EVAPORATION TECHNOLOGY
October 7 – 11th
, 2002 – Tucson, Arizona – U.S.A.
AN POLLUTION
index
Incro’s background
Processes licensed by Incro
Introduction
Index
Company objectives
Scope of services
Environmental Division
Fertilizer Division
Atmospheric Evaporation Technology Process description
Systems
Advantages References
introduction
Introduction
INCRO’s background
In 1
817,
Fra
nci
sco
Cro
s in
stal
led
his
fir
st c
hem
ical
In 1817, Francisco Cros installed his
first chemical plant in Badalona
(Spain). In 1904 Amadeo Cros founded
the Company S.A. Cros, which
became a pioneer in the chemical
industry.
Intecsa was one of Spain’s biggest
engineering companies. It belonged to
Dragados, the Spain’s leading
construction company.
In 1
817,
Fra
nci
sco
Cro
s in
stal
led
his
fir
st c
hem
ical
In 1990 Krupp Uhde acquires 50% of
Intecsa shares.
The full merger of S.A. Cros and ERT in
1988 led to the formation of the Ercros
Group, whose agrochemical division
was called FESA-ENFERSA.
In addition to INCRO’s manpower,
FERTIBERIA & INTECSA-UHDE large
experience allows INCRO to count with
additional specialized engineers and
operators in fertilizer plants design & start-
up for the development of any project,
regardless of its size & scope.
Two pilot plants are installed in
FERTIBERIA to test new products /
processes.
More than 70 references have been
successfully completed on the fertilizer
field.
Development & Transfer of Process Technology and technical services,based both in our own know-how and the
Development & Transfer of Process Technology and technical services,based both in our own know-how and the
Development & Transfer of
Process Technology, as well
as supply of technical
services, based both on our
own know-how and the one
of the leading manufacturing
firms in each activity field.
Company Objectives Introduction
Development & Transfer of Process Technology and technical services,based both in our own know-how and the
Development & Transfer of Process Technology and technical services,based both in our own know-how and the
Scope of Services
• License & Know-How transfer
• Basic engineering
• Detailed engineering supervision
• Personnel training
• Start-up supervision
• Process evaluation and selection
• Feasibility studies
• Technical assistance
• Procurement
• Critical equipment supply
Introduction
Processes Licensed by Incro
Processes Licensed by Incro
FERTILIZER DIVISION
1 Fertilizers
Phosphates route:
DAP
NPK (urea, AN or AMS based)
NP (urea, AN or AMS based)
TSP (powder or granulated)
SSP (powder or granulated)
MAP (granular and crystal)
a) Solid Fertilizers:
a) Solid Fertilizers:
Nitrogenous route:
NPK Nitrophosphate
AN/CAN, granulated and prilled
1999 PT Gresik 300,000 TPY
NPK Granulation Plant
b) Liquid Fertilizers:
b) Liquid Fertilizers:
Solution UAN N32
Solution N41
Aqua ammonia
Ammonium polyphosphate
Clear liquids NPK
NPK suspensions
Purified Phosphoric acid
Polyphosphate 10.34.0 & clear liquid fertilizer
SABIC Al-Jubail (Saudi Arabia)
2 Explosive Grade
Explosive Grade
Explosive Grade
Liquor Ammonium Nitrate
Prilled Porous
Ammonium Nitrate
Cangzhou 50,000 tpy Porous Ammonium nitrate plant
1996 Cangzhou - Hebei (China)
Nitrastur – Prilled porous
and dense ammonium nitrate
(Pipe Reactor Process)
1986 La Felguera (Spain)
Processes Licensed by Incro
Processes Licensed by Incro
ENVIRONMENTAL DIVISION
1 Gas emissions
treatment
Gas emissions treatment
Gas emissions treatment
Scrubbing systems
1999 Sogama 320,000 TPH
MSW Gas emissions treatment
Cerceda (Spain)
2 Wastewaters
treatment
Wastewaters treatment
Wastewaters treatment
Atmospheric Evaporation Technology
2000 Inquevap 75,000 TPY
Sodium chloride brine dehydration
Monzón (Spain)
3 Cooling towers
Cooling towers
Cooling towers
Field-erected
Assembled modules
2002 Fertiberia 8,400 TPH Field-erected
Phosphoric Acid Condensate Cooling
Huelva (Spain)
Atmospheric Evaporation Technology
Atmospheric Evaporation Technology
Consists on 3D cells of:
• High specific surface
• Low pressure drop
• Resistant to plug
• Made of HDPE
PROCESS DESCRIPTION
Atmospheric Evaporation Technology
INCRO has developed an Atmospheric Evaporation Technology specially
recommended to treat any kind of liquid effluent. The process has been
patented and homologated in several countries.
The process is based on the capacity of non-saturated air of absorbing
water if a suitable interchange surface is provided. INCRO has developed
an Evaporation packing (AEP) to provide the required air - liquid effluent
interface. It has the following main features:
Ambient Air
EffluentsSpraying System
Concentrate
Saturated Air
Original systems
They use renewable energies, sun and wind, for evaporation.
They require power only for the wastewater circulation.
NATURAL EVAPORATION
INCRO’s Atmospheric Evaporation Technology
Rocha 5,000 tpy Oily waters from olive oil production
2000 Tavira (Portugal)
Concentrate
Air extraction
Effluents
Air distribution
Spraying system Washing system
DemisterEvaporation
Concentrate pond
Washing water
EM-systems
MECHANIZED EVAPORATION
They use power for the air mechanical movement by means of high efficiency
fans. There is no wind dependence. The evaporation panals are
encapsulated in a civil work building. Demister is provided
INCRO’s Atmospheric Evaporation Technology
Urbaser 17,000 TPY MSW lixiviate
2001 Los Barrios (Spain)
Concentrate pond
Washing system
Evaporation
Spraying system
Heating
Air distribution
Effluents
Concentrate
Washing water
Demister
Air extraction
EMC-systems
HEATED MECHANIZED EVAPORATION
They are EM-systems enhanced using any residual thermal energy
(steam, hot water, .... ) by means of heat exchangers.
INCRO’s Atmospheric Evaporation Technology
Tártaros 25,000 tpy Sodium sulfate brine
2000 Salinas (Spain)
Evaporation chamber
Heating
Condensation chamber
Demister Demister
Air circulation
Effluents
Concentrate pond Condensate pond
Air distributionAir distribution
Washing water
Washing system
Spraying system
Evaporation Condensation
Concentrate Condensate
INCRO’s Atmospheric Evaporation Technology
ECO-systems
EVAPORATION - CONDENSATION
ECO-system consists of one evaporation and one condensation
chambers to recover pure water. Air flows in closed circuit. No
climatic conditions dependence.
Ad
va
nta
ge
s o
f In
cro
’s P
ip
e R
ea
cto
r U
se
Technology Advantages
OPERATION AND MAINTENANCE
• Fully automatic units, without any personnel
ENVIRONMENT
• Elimination of liquid effluents
CAPACITY
• Modular design allows easy adaptation for any capacity
INCRO’s Atmospheric Evaporation Technology
• Concentrate is reused in granulation section
• Clean gas effluent. It could be even eliminated in ECO
• ECO system allows pure water recovery
INCRO owns three portable pilot plants: one for evaporation and two
flexible plants for evaporation or evaporation-condensation.
RESEARCH & DEVELOPMENT
INCRO’s Atmospheric Evaporation Technology
INCRO’s Atmospheric Evaporation Technology References
1998 FERTIBERIA – Spain
10,000 m3/y water evaporated
The Evaporation plant was designed to
treat the liquid effluent from two identical
NPK plants, which were not able to recover
into the granulation section all the water
employed in the scrubbing system.
The 2 m3/h liquid effluent from the
scrubbing system was concentrated to 0.5-
1 m3/h, using an E-system (based on
natural evaporation)
Due to the distance to the granulation
plant the concentrate was sent to a pond,
being recovered at different rate
depending on the manufactured NPK.
INCRO’s Atmospheric Evaporation Technology References
1998 UEE – Spain
4,500 m3/y water evaporated
The Evaporation plant was designed to
treat the liquid effluent from an explosive
plant. The concentration of AN is 5%.
The 0.60 m3/h liquid effluent from the plant
is concentrated to 0.06 m3/h, using an EM-
system (based on mechanized
evaporation).
The concentrate produce is sold as a
fertilizer.
DRYER DRUM
GRANULATOR
PUG-MILL
SCRUBBING LIQUID CONCENTRATION UNIT
CONCENTRATOR TANK
WATER HEATER
PRE-SCRUBBER TANK
SCRUBBER
RAW MATERIAL BINS
LIQUID EFFLUENT ELIMINATION FORFERTILIZER OR INDUSTRIAL PLANTS
DRUM
FINAL TAIL GAS
INCRO’s Atmospheric Evaporation Technology References
2001 PETRONAS / NAFAS – Malaysia
22,000 m3/y water evaporated
The Evaporation plant was
designed to treat the liquid effluent
from a steam granulation plant.
The 5 m3/h liquid effluent from the
scrubbing system is concentrated
to 2.5 m3/h, using an EMC-system
(based on heated mechanized
evaporation).
The evaporation plant is located
within the NPK production
building.
Original systems
Process flow diagram. Petronas – Nafas. NPK wastewaters concentration
NATURAL EVAPORATION
INCRO’s Atmospheric Evaporation Technology
EM EMC ECO
Power, kWh/m3 20 10 34
Heat, kW/m3 - 840 840
(Steam,
hot water,…)
Climatic conditions: 17ºC, 65%
NP
K P
RO
CE
SS
. R
AW
M
AT
ER
IA
LS
&
U
TIL
IT
IE
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ON
SU
MP
TIO
NS
UTILITIES CONSUMPTIONS
QUESTIONS ?
Incro s.a. Serrano, 27 - 28001 Madrid SPAIN
www. incro.com
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