Waste-to-energy plants and waste incineration facilities
Storage of aqueous ammonia used as a reagent in SCR/SNCR systems for reducing NOx emissions generated during waste incineration.
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Ammonia water tanks
Aqueous ammonia, an aqueous solution of ammonia, is used in the chemical, glass and rubber industries, as well as in nitrogen oxide (NOx) reduction systems such as SCR and SNCR.
Storing this medium requires tanks designed with due consideration for material compatibility, tightness, leak monitoring and safe operation. Aqueous ammonia tanks should therefore be tailored not only to the properties of the medium, but also to the operating conditions and technological requirements of the facility.
CGH Group manufactures above-ground, double-walled stainless-steel tanks for aqueous ammonia. The tanks can be fitted with leak detection, level measurement, overfill protection, heating, insulation and nozzles prepared for integration with a dosing system.
CGH tanks – safe storage and containment of aqueous ammonia
Aqueous ammonia is used in many industrial processes, particularly in SCR and SNCR systems for reducing nitrogen oxide (NOx) emissions. CGH tanks are designed for the safe storage of the medium and straightforward integration with process installations, dosing systems, pumps and monitoring systems.
Sewage sludge mono-incineration plants
Tanks for new and modernised installations in which aqueous ammonia forms part of the flue-gas treatment system.
RDF and alternative-fuel plants
Solutions for facilities using alternative fuels, where stable reagent storage is essential to the continuous operation of the DeNOx system.
Cement plants, lime plants and glassworks
Tanks for industrial facilities in which NOx reduction is an important element of the process and environmental compliance.
Combined heat and power plants, biomass facilities and CHP systems
Storage of aqueous ammonia for power-generation facilities, biomass-fired CHP plants and cogeneration systems.
Chemical and pharmaceutical industries
Tanks for storing aqueous ammonia as a raw material or process medium in industrial installations.
What CGH tanks are designed for
Safe storage of aqueous ammonia
The tanks provide tight, controlled storage of aqueous ammonia solution. Their double-walled construction, stainless-steel material and optional leak detection system increase operating safety in industrial environments.
Integration with SCR/SNCR systems
The tanks can operate as part of NOx reduction systems. They can be prepared for connection to dosing systems, pumps, pipelines, sensors and the process automation system.
Execution variants
| Variant | Standard | Design temperature | Construkction |
|---|---|---|---|
| Standard storage version | EN 13445 / EN 12952-14 / as required by the project | -20°C / +50°C | Vertical, above-ground, double-walled, stainless steel 1.4307 |
| Process version for SCR/SNCR | EN 13445 / EN 12952-14 / AD 2000 opctional | -20°C / +50°C | Vertical, above-ground, double-walled, with nozzles for connection to the dosing system |
| Insulated and heated version | EN 13445 / EN 12952-14 / as required by the project | -20°C / +50°C | Vertical, above-ground, double-walled, with insulation, external cladding and trace heating |
| Special / project-specific version | EN 13445 / EN 12952-14 / AD 2000 / to customer specification | As specified in the project | Design adapted to the required capacity, nozzle arrangement, equipment, foundation conditions and local requirements |
*Other variants, including different capacities, stainless steel 1.4404, additional equipment, WHG compliance or local approval requirements, are available on request.
Equipment for ammonia water tanks
The tanks can be equipped with elements that enhance storage safety, facilitate operation, and enable integration with the process installation.
Available equipment options include:
Equipment item
- Leak detection
- Level measurement
- Overfill protection
- Trace heating
- Insulation and outer casing
- NH₃ vapour sensors
- Process stubs
- Service access
*The scope of equipment is selected individually based on the project, tank location, investor requirements, and the operating mode of the entire installation.
Photo gallery
Basic technical parameters:
- Standard construction in stainless steel 1.4307, with stainless steel 1.4404 available depending on project requirements.
- Vertical, above-ground, double-walled construction intended for the safe storage of aqueous ammonia.
- Optional equipment includes leak detection, level measurement, overfill protection, heating, insulation and NH₃ vapour sensors.
Tank type:
Vertical, above-ground, double-walled
Medium:
Aqueous ammonia / aqueous ammonia solution
Operating pressure:
Atmospheric / as specified in the project
Manufacturing standard:
EN 13445, EN 12952-14, AD 2000; optional execution to customer requirements
Operating temperature:
-20°C to +50°C
Capacity:
5–300 m³
Standard diameters:
2000 / 2500 / 2900 / 3200 / 3400 mm
Tank height:
3400–10000 mm
*Other configurations, capacities and equipment options are available on request.
Available standard tank capacities
| CAPACITY [m³] | DIAMETER [mm] | TANK HEIGHT [mm] |
|---|---|---|
| 10 m³ | Ø2000 | 4400 |
| 20 m³ | Ø2500 | Approx. 3400 mm |
| 40m³ | Ø3200 | 4000 |
| 60 m³ | Ø2900 | 8000 |
| 80 m³ | Ø3400 | 8000 |
| 100 m³ | Ø3400 | 10000 |
*Other dimensions available upon individual order.
Examples of special execution
CGH Group also manufactures ammonia water tanks outside the standard product range. Examples include both individual storage tanks and tank sets designed for use in industrial installations, dosing systems, and SCR/SNCR systems.
2 × 155 m³
| Parameter | Value |
|---|---|
| Tank type | vertical, above-ground storage tank |
| Quantity | 2 pcs. |
| Medium | ammonia water / NH₄OH <25% |
| Unit capacity | 155 m³ |
| Medium concentration | 24,9% |
| Construction | single-wall, on support skirt |
| Surface finish | internally and externally acid-pickled and passivated |
| Material | stainless steel 1.4307 |
| Diameter | 3600 mm |
| Height of cylindrical section | approx. 15,000 mm |
| Total height including support | approx. 17,000 mm |
| Manufacturing standard | EN 13445 + EN 12952-14 |
| Operating pressure | +490 / -50 mbar |
| Operating temperature | from -10°C to +40°C |
| Equipment | 2 × manhole DN800 with solid cover, pipelines, nozzles and flanges in accordance with the inquiry documentation |
| Additional options | WHG approval, ladder with safety cage, platform, intermediate landing, handrails, rotating arm up to 150 kg |
| Exclusions | without valves, without chemical anchors / anchor bolts |
2 × 40 m³ + 1 × 1 m³
| Parameter | Value |
|---|---|
| Tank type | ammonia water tank set |
| Quantity | 2 × main tank + 1 × auxiliary tank |
| Medium | Aqueous ammonia |
| Main tank capacity | 2 × 40 m³ |
| Auxiliary tank capacity | 1 m³ |
| Project location | Adamów, Polska |
| Client / project | HEAT gas technologies |
| Construction | in accordance with the project documentation |
| Surface finish | internally and externally acid-pickled and passivated |
| Material | in accordance with project requirements |
| Manufacturing standard | in accordance with project requirements |
| Equipment | in accordance with the installation documentation |
| Application | storage of ammonia water and operation with the process installation |
tank 32,63 m³
| Parameter | Value |
|---|---|
| Tank type | above-ground storage tank for ammonia water |
| Quantity | 1 pc. |
| Medium | ammonia water |
| Capacity | 32,63 m³ |
| Construction | in accordance with the project documentation |
| Surface finish | internally and externally acid-pickled and passivated |
| Material | Stainless steel 1.4307; all wetted parts also manufactured in 1.4307 |
| Manufacturing | EN 13445 / EN 12952-14 / in accordance with project requirements |
| Operating pressure | atmospheric or in accordance with the project |
| Operating temperature | in accordance with the project |
| Equipment | process nozzles, inspection manhole, level measurement, overfill protection, leak detection – according to project requirements |
| Application | storage of ammonia water as a process medium or reagent for the process installation |
