Process solutions for corrosive applications

As market leader we provide support for all chemical processes in corrosive applications. We make the difference by our comprehensive backward integration, our in-house engineering competency and project execution. A perfect combination of enablers for delivering package systems from a single source in the shortest possible lead time.

Benefit from over 70 years of experience in equipment production and the competence to interconnect these equipments to trend-setting process solutions.

In-house engineering know-how and project execution
We develop individually tailored solutions that satisfy your requirements in every respect. A team of experienced design engineers will work together with experts in plant construction and process engineering, as well as with other specialists if required, to execute the project successfully.

Material excellence and process knowledge
As an experienced material and equipment supplier, you can rely on the high quality of our materials, such as DIABON^®, POLYFLURON^®, SICABON^® and SIGRABOND^®. Combined with our wide-ranging expertise, we provide solutions for corrosive applications that focus on sustainability and resource efficiency.

Attractive cost-value ratio
Industries throughout the world are experiencing increasing competition and cost pressure. Long-term success will depend on the ability to address these challenges. With our state-of-the-art, commercially optimized systems we are your ideal partner to gain a decisive edge over your competitors.

Safety and quality first
We strive to deliver the lowest total cost of ownership while meeting tight environmental and safety regulations, as well as ambitious technical requirements. In any case, we will never compromise on quality and safety.

Tailor-made as well as standard solutions
With our tailor-made, innovative solutions and integrated approaches we ensure outstanding efficiency and improved customer value. Our offer comprises the whole range: from complex systems to single units, as well as a comprehensive standard portfolio.

Engineered
Inhouse engineering know-how and design capabilities
Ingenious
Own laboratory for determination of phase change equilibria data, state-of-the-art modelling tools (e.g. Aspen+, FEM, CFD)
On-time, on-budget, on-specification
Inhouse project management - no external interfaces, simultaneous engineering, design and equipment competences
Warranted
Process warranty included
Certified
Design according to various code requirements possible (e.g. ASME, PED/AD2000, GB)

HCl syntheses

Standards available from 2.0 t/d up to 155 t/d (nominal output based on 100 % HCl)
Production of hydrochloric acid with less than 1 ppm free chlorine
Production of HCl gas with lowest H₂O content acc. to your requirements
Reliable operation. Uptimes higher than 98 %
Highest payback thanks to heat recovery system (e.g. steam recovery)

Absorption of HCl gas

Standards available from 0.5 t/d up to 400 t/d of 100 % HCl per unit
Product concentrations from 25 % to 38 % HCl
Clean flue gases and high HCl concentrations in product acid
Isothermal, adiabatic and quench absorption available [dependent on HCl concentration and temperature of feed gas]

Production of HCl gas from hydrochloric acid

Standards available from 2.0 t/d up to 200 t/d of 100 % HCl per unit
Very dry gas with moisture content 5-10 ppm possible
Optimal design minimizes consumption of steam and cooling water

Evaporation and concentration of hydrochloric acid

Suitable for removal of salts or other high-boiling substances from HCl solutions as well as re-concentration
Pressure swing and extractive distillation technology (H₂SO₄, CaCl₂) available for demanding requirements like low feed quality, challenging product pressure or energy demand
Diluted HCl solutions can be concentrated by distillation up to azeotropic concentration (approx. 20 %)
Higher concentrations of HCl (> 20 %) can be achieved by means of a two-pressure distillation, extractive distillation or CaCl₂ system

Purification of HCl

Standards available for feed streams up to 300 t/h of HCl
Stripping columns with dedicated column internals (e.g. SIGRABOND Chemical distributor, grids, packing) ensure intensive fluid contact
Temperatures over 100 °C

Dilution of H₂SO₄

Standards available for capacities ranging from 0.5 m³/h to 100 m³/h of diluted H₂SO₄
Continuous or batch process
High homogeneous acid of consistent quality and temperature [full systems including density optimization]
Systems fully preassembled in our workshops

Concentration of H₂SO₄

High concentrations and temperatures over 170 °C possible with SICABON silicon carbide heat exchanger
Natural or forced circulation
Two- and three-stage concentration systems at different pressure levels significantly reduce steam consumption by up to 65 % compared to single-stage design

Concentration and defluorination of phosphoric acid

FGPA conform equipment for defluorination step [corrosion, temperature and vacuum resistance, products free from metal ions]
Up to 30 % less downtime for cleaning cycles (according to customer feedback)
Full systems including process warranty, engineering, equipment, piping, and instrumentation available