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Home / Applications / Fruit Juice / Low-Impact Thermal Concentration

Fruit Juice

Low-Impact Thermal Concentration

The alternative to Freeze Concentration

TEC Square has developed an alternative to freeze concentration, which delivers the same level of quality at significantly lower capital investment, and lower operational costs. This concept, called “Low Impact Thermal Concentration”, has been proven in the field, and so far exceeds expectations for high value food products.

The Low-Impact Thermal Concentration process uses low temperature (thus “low impact”) thermal concentration. The process uses a short-path Rototherm evaporator, requiring the product only for a couple of minutes to be at processing temperature. Secondly, the Low Impact Thermal Concentration uses aroma recovery and aroma separation to enhance the taste profile exactly to the customer’s requirements.

Even though the process is officially called a thermal process, it is hardly possible to measure the impact of temperature on the product. Foremost, the process has low operational temperatures due to the applied vacuum. Furthermore, the technology of the evaporator design provides very quick processing conditions. As a result, the process has enormous advantages in start-up time, operational cost, and flexibility. Together with a vastly reduced investment cost, this alternative to the traditional Freeze Concentration proves to be a better or equal solution in all aspects.

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Low Impact Thermal Concentration

Low-Impact Thermal Concentration – The alternative to Freeze Concentration

We use effective aroma recovery technology, made for high-end products. Next we use wiped-film evaporation technology for concentration. This technology excels at low temperatures and short processing times.

Characteristics and Advantages of our Low-Impact Thermal Concentration Technology

Characteristics
Advantages

Aroma Separation Technology


TEC Square uses a combination of a stripping column and stacked condensation column for aroma separation. We normally use steam as stripping medium, but other options are available as well.


  • No moving parts, simple maintenance
  • Construction is fully flooded in case of CIP
  • Limited fouling. The stripping column and stacked condensing column can be drained completely
  • Stripping normally takes place at atmospheric conditions. However, low temperature options exist as well

Concentration Technology


TEC Square uses Wiped Film evaporator technology (Rototherm, from Artisan industries) for efficient low temperature concentration.


  • Short processing times, resulting in high quality products
  • Low process temperatures. Processing takes place at vacuum conditions
  • Very high concentration are possible, allowing high quality concentrate manufacturing
  • Hardly any fouling at high concentrations

Standardization


We normally standardize aroma and extract straight in-line. This reduces viscosity protects aroma


  • Efficient dosing
  • In-line solution, often no storage of aroma is required

Process Temperatures


We can work at low process temperatures, guaranteeing a quality solution for temperature sensitive products


  • High quality end-product

Capital Expenditure


Higher capital expenditure as falling film evaporation technology. However, the process is developed for a higher quality segment. We aim to compete with Freeze Concentration technology.


  • The investment is about 50% of the investment for freeze concentration technology

Operational Costs


Higher operational costs as falling film evaporation technology. We use 1 kg of steam for 1 kg of evaporation. However, the process is developed for a higher quality segment. We aim to compete with Freeze Concentration technology.


  • Operational costs are limited compared to freeze concentration
  • No Ammonia is required

Residence time


The product is normally only subjected to process conditions for a maximum of 10-20 minutes. As a result, this technology is in full production 30 minutes after start-up


  • High quality product due to short processing times.
  • Quick start-up and shut-down times
  • Ideal for multi SKU operation

Maximum Concentration


Rototherm technology can evaporate up to very high concentrations. 60-70% TS are not uncommon. Depending on the quantity of aroma, the final product can easily be standardized at 60% TS.


  • Very high concentrations are possible, guaranteeing maximum plant output.
  • High concentrations allow for the addition of additional aromatic components

Product Losses


Very low product losses at high concentrations. The Rototherm technology has hardly any fouling.


  • Low product losses, no fouling at high concentrations
  • Long running times. As there is hardly any fouling, the operational time before CIP can be maximized

CIP


Easy and straight forward CIP. Fully automated solutions are possible


  • Short CIP times. The Aroma Recovery process and the Rototherm are easily cleanable
  • Fully automatic solution

Related Applications

Instant Coffee

Cold Brew

Non-Dairy Creamer

Fruit Juice

TEC Square Project Management SL
TEC Square SL

Calle Sebastian Souviron 18, Atico 2
29005 Malaga
Spain
Tel: +34 (664) 389873

TEC Square BV
TEC Square Electrical BV

De Biestraat 18
4751 HC Oud Gastel
The Netherlands
Tel: +34 (664) 389873

TEC Square Solutions Inc.

Zuellig Avenue, NRA
Mandaue City, Cebu,
The Philippines, 6014
Tel: +63 (32) 5205899

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