Chemical Industry | Centec

IONTEC Mixed Bed Ion Exchanger

Specifications

  • Capacity 1 - 150 m3/h
  • Operating pressure inlet 0 - 8 bar
  • Operating pressures outlet 2 - 5 bar
  • Operation temperature 1 - 60°C
  • Material Epoxy / Fibre glass / PP AISI 304 or 316L

Description

The plants are designed as weak- and strong acid cation exchangers, weak- and strong basic anion as well as mixed bed exchangers.
The used technologies are co-flow, counter-flow or floating bed exchangers.
The resins used in closed filter vessels carry out the decarbonisation- or desalination process by exchanging ions bound to the resin against ions of the salts dissolved in the water.

Ion Exchangers are insoluble granular substances which have in their molecular structure acidic or basic radicals that can exchange. The positive or negative ions fixed on these radicals are replaced by ions of the same sign in solution in the liquid in contact with them. The ion exchange is complete without deterioration or solubilization nor changing the total number of ions in the liquid before the exchange.The ion exchange substances are used almost exclusively under the name of resins. There are two categories of it: the resins of the gel type and those of the macroporous or loosely cross-linked type. Their basic structure is identical: the macromolecular structure is obtained in both cases by copolymerization. The difference between them lies in their porosity.

ADoS Additive Dosage System

Specifications

  • Diameter 1/2" - 6"
  • Flowrate 10 -150.000 l/h
  • Dosingrate 0-1500 l/h
  • Pressure up to 1500 psi
  • Temperature -5 - +125°C
  • Material 304 / 316
  • Fully CIP capable

Description

The Additive Dosing System is a very flexible system for the continuous and fully automated dosing of one or several components into a main stream.

With this In-line dosing system, soft drinks, beer mix drinks or other liquids can be produced economically optimized. Also, the system can be designed for direct dosing of additives in CIP units etc. Small amounts can be dosed into each other with the same precision as higher volume streams.

The Centec Additive-Dosing Unit allows an economically optimized production by maximum utilisation of the available capacities. The direct dosing of raw materials in one procedure step, as well as the correction of the concentration value of additives are possible. Using high accurate flowmeters as well as pneumatic control valves and adjustable displacement pumps, the volume relation or mass relation is continuously adjusted to the main flow - additive. Optional storage tanks or containers as well as customized drums can be integrated into the system. Several additives about different inlets can be dosed at the same time. The storage containers can be heated or be provided with a stirrer for mixing. The cleaning of the unit takes place alternatively with the CiP cleaning of the main line or separately. If requested the unit can combined with other modular systems, as for example water deaeration or carbonation etc.


REVOTEC Nanofiltration / Revers Osmoses

  • Detailed View

Specifications

  • Capacity 1 - 150 m3/h
  • Residual TDS Down to 1 mg/l
  • Electrical consumption 0,5 kW/m3
  • Operating pressure inlet 0 - 8 bar
  • Operating pressures outlet 2 - 5 bar
  • Operation temperature 1 - 60°C
  • Material Epoxy / Fibre glass / PP AISI 304 or 316L

Description

In the reversed osmosis process water is forced across a membrane, leaving the impurities behind. The permeability of the membrane can be so small, that practically all impurities, salt molecules, bacteria are being separated from the water

A water treatment process utilizing a membrane to remove dissolved minerals. The process of osmosis occurs in nature, when a pure solution is separated from a saline solution by a semi-permeable membrane. The pure solution passes through the membrane until a pressure differential is reached called the Osmotic Pressure. At this pressure differential, determined by the constituents and concentrations in the saline solution, osmosis stops. Reverse Osmosis reverses this process by applying pressure in excess of the osmotic pressure to the saline solution, forcing water through the membrane. As this occurs, most dissolved solids remain behind and are carried out with the reject stream. The purified water can then be utilized as needed.

DeGaS Column Waterdeaeration Systems

Specifications

  • Capacity 50- 1500 hl/h
  • Residual oxygen content down to < 10 ppb (custom-made)
  • Operating temperatures 10°C - +72°C
  • Cleaning by existing CIP system
  • Operating pressures 0 - 8 bar
  • Nominal diameters DN 25 - DN 150, 1" - 6"
  • Materials SS 1.4404 or similar

Description

Automated deaeration of water through the use of an efficient, stainless steel packed stripped column. For improved oxygen removal, a pre-heater can be implemented to increase the water to a maximum temperature of 72°C and thereby efficient sterilising the water as part of the deaeration process.

Oxygen removal takes place in the CENTEC stripping column. Stainless steel packing is arranged in the column with a water distributor effectively channelling the water. It is fed into the column from the top. CO2 or N2 is fed into the bottom with the packing creating an efficient surface area to remove the oxygen from the water. The water collects in the bottom of the column and is pumped for use or further processing. A regenerative pasteurisation can be implemented for improved deaeration and sterilisation.

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ADOS-C Additive Dosage System

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Specifications

  • Diameter 1/2" - 6"
  • Flowrate 10 -150.000 l/h
  • Dosingrate 0-1500 l/h
  • Pressure up to 1500 psi
  • Temperature -5 - +125°C
  • Material 304 / 316

Description

The Additive Dosing System is a very flexible system for the continuous and fully automated dosing of one or several components into a main stream.
With this In-line dosing system, mixed products etc. can be produced economically optimized. Also, the system can be designed for direct dosing of additives in CiP units etc. 
Small amounts can be dosed into each other with the same precision as higher volume streams.

The Centec Additive-Dosing Unit allows an economically optimized production by maximum utilisation of the available capacities. The direct dosing of raw materials in one procedure step, as well as the correction of the concentration value of additives are possible. Using high accurate flowmeters as well as pneumatic control valves and adjustable displacement pumps, the volume relation or mass relation is continuously adjusted to the main flow - additive. Optional storage tanks or containers as well as customized drums can be integrated into the system. Several additives about different inlets can be dosed at the same time. The storage containers can be heated or be provided with a stirrer for mixing. The cleaning of the unit takes place alternatively with the CiP cleaning of the main line or separately. If requested the unit can combined with other modular systems, as for example water deaeration or carbonation etc.


Deaerator Membrane Water Deaeration Systems

Specifications

  • Capacity 10- 1500 hl/h
  • Residual oxygen down to 1 ppb (custom-made)
  • CO2-(N2-) consumption 5-15 (2,5-7,5) Nl per 1 hl deaerated water
  • Operating temperatures 0°C - +45°C
  • CIP max. 85°C
  • Operating pressures 0 - 8 bar
  • Nominal diameters DN 25- DN 150, 1"-6"
  • Materials AISI 304(1.4301) / Polypropylene others on request

Description

The DGS is a modular water de-aeration system based on membrane contactors. The skit is designed to grant low running costs compared to other methods based on high efficiency of the membrane contactors. Very low residual oxygen values are achieved with small energy and purge gas consumption (CO2 or N2).

Easy upgrading of capacity by adding contactors, full automatic and maintenance free operation, short run up time, variable capacity range and a small foot print are important advantages achieved due to the membrane contactors.

The DGS system is a modularly constructed water de-aeration skit. Due to high efficient contactors, so called hydrophobe hollow fibre membranes a fast exchange of gas out of the water is possible. The water is flowing along the outer side of the hollow fiber by the cross-flow principle. Through the inner side of the hollow fibre purge gas (CO2 or N2) is flowing at low pressure and sucked out by a vacuum pump. Due to this, the partial pressure of the oxygen inside the hollow fibre is decreased almost to zero. The partial pressure difference between both sides forces the oxygen to percolate. The membrane material is hydro-phobe Polypropylene which can be passed only by gases. Thousands of hollow fibres bound together form a contactor. The high surface area compared to the small volume are the main reason for the high efficiency and low running costs. Depending on required residual oxygen values and max. capacity the number of contactors is calculated and respective arranged. An optional remote access service kit allows software updating and trouble shooting within a few hours.


MSB-C Liquid Mixing

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Specifications

  • Capacity 0,01 - 500 m³/h
  • Measuring/Control range ± 1,5 %
  • Operating temperatures -5 - +125°C
  • Operating pressures 0 - 20 bar
  • Nominal diameters DN 20- DN 1.000 [mm]
  • Materials AISI 304 (1.4301) other on request

Description

Many liquid raw materials in the chemical industry require blending to achieve the correct product concentration.
The Centec Blending Station MSB enables the accurate and continuous blending of two or more liquids to achieve specific product concentrations, such as the blending of water and acid or caustic.
The blending station uses accurate flow meters and In-Line Density sensors to achieve a redundant mixing system production process.



EMTEC Oil-concentration measurement system

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Specifications

  • On-line information about the actual concentration at any time
  • High stability of the product quality
  • Change over time of the oil-emulsion replacement can be determined very precisely
  • Fast detection of undesired tramp oils in the emulsion (Alarm function)
  • Reduction of the oil-emulsion waste and reduction of decomposition in tanks during batch operation

Description

Fully automated system for the measurement of the concentration of cooling oil emulsion and other oil-emulsion liquids.
Collants or emulsions for non- cutting machining / rolling of steel, aluminum and non- ferrous metals consist of an oil / water mixture. The optimum cooling and lubricating properties of the coolants depend to a great extent on the oil / water concentration used. Typical concentrations in such cases are in the range of 0.5 - 5 % oil in water.A problem generally encountered with all coolant units is that the pre-set concentration can not be kept 100% constant due to water evaporation, spray water losses, and entrainment of the oil. These losses have to be compensated for by replenishing the required substances. Moreover, undesired tramp oils that cannot be completely removed make their way into the coolant system.


DeAlcoTec Dealcoholisation System

Specifications

  • Capacity 4-100 hl/h
  • Residual alcohol < 0,1%
  • Temperature 8-95°C
  • Pressure 0-8 bar
  • Material 1.4301/1.4405

Description

The product will be pre-heated by a plate heat exchanger downstream of the degassing section and runs down from the top to the bottom of the column. In counter current flow the alcohol of the product will be removed by exhaust vapors which is passing the column from the bottom to the top. The alcohol free product will be taken from the bottom outlet of the column and passes an evaporator to generate the required exhaust vapor out of it  to keep the dealcoholisation process running. The remaining liquid product, which contains no alcohol anymore will pumped and chilled to the next process step.
The vapor which contains alcohol will be concentrated downstream by a rectification column and condensated in a chiller to saleable product. 
From the exhaust vapor aroma can be extracted in a specific recovery system and recycled to the product.

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CIP Cleaning Systems

Specifications

  • Main capacity 100-20000 l/h
  • Cleaning Liquids Caustic, Acid, Hot Water, Steam etc.
  • Control Range Additive 0-5% (customer specific)
  • Temperature Range 5°C - +125°C
  • Pressure Range 0 - 10 bar
  • Diameter DN 10 - DN 150
  • Material AISI 304 / 316 others on request

Description

The Centec CIP units are very flexible systems for the fully automated cleaning of production facilities. Product leftovers and coats are removed to archive a clean biologically and physically surface. Therefor the Centec CIP systems are optimized regarding the amount of used cleaning liquid, temperature, concentration and process circulating time . CIP stations can integrated at a central place (i.e. ideally in the center of a building or the production plant, or decentralized (beside the specified production units). The cleaning liquids are rejected after the use (lost CIP) or can be re-use if stored (batch CIP).

For the execution of the cleaning process, different components as for example tanks, pumps, valves, heat exchangers, PLC and control software are necessary to provide the cleaning liquids to the units to be cleaned. The units can be placed centrally for all production plants or decentralized, i.e. for part of the production units with the different capacities. The cleaning liquids can be used in circulation mode with suitable batch tanks or in direct consumption. The technical optimization of the process reduces the mixtures of the single cleaning liquid. According to the given procedure technology the cleaning capacities are customized and controlled concerning the necessary speed.


RHOTEC Process Density Sensor

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Specifications

  • Measuring Range 0-3 g/cm3
  • Reproducibility 1 x 10-5 g/cm3
  • Temperature Range -25 - +125°C
  • Pressure max. 50 bar
  • Enclosure Rating IP65
  • Explosion protection Ex II 2G Eex d IIC T6

Description

The Rhotec density sensor and transmitter is ideally suited for quantitative process monitoring and controlling in beverage, brewing, diary, chemical/pharmaceutical and related industries where two-component processes need to be measured accurately.
The Rhotec density sensor is a highly precise means of determining the density of liquids, even under extreme process conditions. The density measurement is achieved through the use of an electro-magnetic oscillating "U"-shaped tube. As the process medium flows through the "U"-shaped tube, the oscillation frequency is measured. The oscillation frequency is affected by any changes in density and measured accordingly. The temperature dependence of density measurements is compensated through the electronic measurement of parallel PT1000 temperature elements. From these measurement signals, calculated concentrations are obtained and displayed in Mass%, Volume%, oBrix, %Extract or other density calculable quantities of the measured medium. The use of this technology with specific measurement software has a proven track record for liquids with dissolved and un-dissolved components, both organic and inorganic.

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SONATEC Ultrasonic Concentration Sensor

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Specifications

  • Sound Velocity 400 - 3000 m/s
  • Reproducibility ± 0.01 m/s
  • Medium -25°C - +125°C / -13°F - +257°F
  • Environment -25°C - + 55°C / -13°F - +131°F
  • Pressure range max. 16 bar
  • Material of parts in contact with medium Stainless steel 1.4404, others on request
  • Process connections Dairy fitting connection DIN 11851; DN 65-100 / 2½-4"- Varivent®-Inline; DN 65-125 / 2½-4½" Others on request
  • Enclosure rating IP 65
  • Explosion protection (Optional) Ex II 2G Eex d IIC T6

Description

The Sonatec ultrasonic concentration sensor and transmitter is ideally suited for quantitative process monitoring and controlling in beverage, brewing, chemical and related industries where two-component processes need to be measured accurately. 
In combination of Sonatec sensor with Rhotec density sensor, three-component systems can be accurately measured and determined.

The Sonatec Ultrasonic Concentration Sensor is a highly precise means of determining the sound velocity of liquids. Like density measurements, sound velocity is a material and concentration dependent quantity which can be used for determining the concentration of a liquid. The propagation time of a piezo-ceramic generated sound pulse is measured between the prongs of a fork-shaped measuring head installed directly in the process. As this propagation time changes, the sound velocity and resulting concentration changes are measured. The temperature dependence of the sound velocity measurement is compensated through the electronic measurement of parallel PT1000 temperature elements. From these measurement signals, calculated concentrations are obtained and displayed in Mass%, Volume%, °Brix, %Extract or other sound velocity calculable quantities of the measured medium. Due to the simple mechanical design without any movable parts, the sensor is very reliable and virtually maintenance free. The use of this technology with specific measurement software has a proven track record for liquids with dissolved and un-dissolved components, both organic and inorganic.



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