Sofia, Bulgaria +359878341049



Explosive, corrosive and partly very hot or toxic – those are the characteristics of typical petrochemical process liquids. Whether offshore, in the refinery or petrochemical factory, suitable measuring systems must be able to handle such media in a robust and sustainable stable manner. Apart from that, correct process control must be ensured under even the harshest environmental conditions. E.g. in explosive areas or salty atmospheres. The use of the LiquiSonic® measuring technology and its easy integration into existing systems, allows considerable improvements of system utilization, process safety and product yield with relatively low project costs.

Tipical Applications

Concentration measurement and product quality

  • Quality determination (ethylene oxide)

  • Water in diesel (Nox reduction)

  • Water content in various fuels

  • Solvents (methanol, ethanol, etc.)

  • (Bio)ethanol in petrol

  • Cetane number of diesel

  • Octane number of fuels

  • Vegetable oils in heating oil

  • Liquid gases (methane, propane, butane, etc.)

  • Used oil in heavy oil

Phase separation

  • Fuels / water

  • Oil / salt water

  • Glycerine / bio diesel

  • Gas / liquid phases

  • Raw oil preparation / Water Cut Analyzer

  • Fuels and water infiltration

Gas scrubbers

  • MDEA (piperazine) / water

  • Caustic soda sodium chloride and carbonate / water

  • Potassium carbonate potassium hydrogen carbonate / water

Alkylation (HF, H2SO4)

  • Typical measuring task:

  • HF / H2SO4 concentration: 80 – 95 wt%

  • Water concentration: 0 – 10 wt%

  • ASO (acid soluble oil) concentration: 0 – 10 wt%

Safety monitoring

  • Detection of incursions into waste water

  • Glycol incursion from heat exchanger into heavy oil

  • Use of measuring technology in peripheral processes, such as heat exchanger, gas washer, blending, desalination

The quality and concentration of different liquid gases often constitute a problem for users. The search for a robust, drift-free measuring device in the Ex area, which logs the data and moreover precisely detects and forwards fluctuations and range exceed.

For example, foreign substances and concentration fluctuations in the ethylene oxide (EO) quality are to be identified in due time.

Raw oil preparation / Water Cut Analyzer

Due to the difference in the density of oil and salt water, the two phases can be separated. The salt water is pumped out from below the oil. The separation of the salt water from the oil can be monitored by means of LiquiSonic® measuring technology. In this connection, the characteristic sonic velocities of the relevant phases are measured and evaluated at the controller. This allows for phase separation in a matter of seconds.

Fuels and water infiltration

The determination of the product type and the water content are elementary for the quality assurance of petrochemical products. LiquiSonic systems are successfully used for the detection and differentiation between heating oil, petrol, diesel, kerosene and other fuels. Additionally, the water content can be precisely determined by means of inline sonic velocity sensors and transferred to master systems by means of a selection interfaces, such as Profibus DP. Faulty fillings and supplies of lower quality levels are successfully avoided. Water infiltrations in fuel can also be detected inline to ensure system safety.

User benefits include

  • Optimal plant control through online and real-time information about process states

  • Maximized process efficiency

  • Increased product quality

  • Reduced lab costs

  • Immediate detection of process changes

  • Energy and material savings

  • Instant warning of irruptions in the process

  • Measure in Water or process liquid

  • Repeatable measuring results

Application example – AdBlue®

Selective catalytic reduction (SCR) catalysts has proven to be an efficient and cost-saving method to reduce the content of nitrogen oxide (NOx) in the exhaust fumes of diesel-powered vehicles.

Online Analyzers for Petrochemical Industry. Sensors for Process Automation.

So, In this type of exhaust after-treatment, liquid AdBlue® is injected into a catalyst to convert nitrogen oxides to nitrogen and water vapor. In addition, AdBlue® is a registered trade mark for synthetically produced ultrapure 32.5 wt% solution of urea in demineralized water.

AdBlue® is characterized by an higher purity level compared to technical urea. Therefore, It has to be stored in a separate tank in the vehicle. During operation, the AdBlue® is transfered out of the tank to the catalyst. Through specific pumps and nozzles, it will be sprayed into the exhaust fumes. The quality control of the final product AdBlue® is of enormous importance. As a result, the maintenance-free process analyzer LiquiSonic® is ideally suited for this online and inline measuring task. Above all, the risk of product crystallization is minimized.

For use in hazardous areas, the immersion sensor Ex 40-40 is approved by ATEX and IECEx certification (Ex d IIC T1 to T6 Ga/Gb, zone 0 / zone 1) and FM certification (Class I, Division 1, Groups A, B, C, DT1-T6).

Typical Applications:

Online Analyzers for Petrochemical Industry. Sensors for Process Automation.

  • Petrol

  • Diesel

  • Biodiesel

  • LPG

  • Oil

  • Other

Petrochemical Industry

Ask for Quotation