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Product category: Separation and Membrane Systems
News Release from: Orelis | Subject: Kerasep ceramic membranes
Edited by the Processingtalk Editorial Team on 09 December 2004

Amino acid plant adopts filtration
membranes

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Installation of 20,000 square feet of Kerasep ceramic filtration membranes at the CJ Corp amino acid production plant will improve plant productivity by 10%, according to several months of testing

In Asia, French manufacturer Orelis installed more than 20,000 square feet of Kerasep ceramic filtration membranes to be used in the CJ Corp amino acid production plant The plant is the largest of its kind in the world

This CJ Corp decision to use Orelis Kerasep ceramic membranes stands to benefit the plant in many important ways: productivity gains of approximately 10% as compared to conventional production methods, and a faster return on investment.

Entry into the industrial service stage of this project was made possible by an on-site testing phase that lasted several months.

During this period, Orelis personnel worked in collaboration with CJ Corp in an effort to optimise various parameters of the filtration process.

Orelis filtration process begins with ultrafiltration membranes used to clarify fermentation broths at the start of the purification phase.

This allows for simplification of subsequent purification phases as well as a reduction in the amount of effluent produced.

The membranes used for the ultrafiltration process have a pore diameter of between 1 and 100 nanometers.

These allow small molecules such as water, salts and sugars to pass through the membranes, while matter and molecules with high molar mass are blocked.

The recovered yield of active product is optimised by a three-phase production process that includes pre-concentration, concentration and diafiltration.

It exceeds 98%, and the final product is of excellent quality.

Many factors went into the CJ Corp final decision to use Orelis filtration membranes: the knowledge of industrial processes that Orelis has built up over many years, the quality and robustness of the membranes it manufactures, and the range of technical services it offers.

Kerasep ceramic membranes have a large number of filtration applications, particularly in the food industry (for separation of amino acids for animal feedstuffs), biotechnologies (for extraction of fermentation broth), in environmental applications, and in the automobile and mechanical industries (for treatment of oily waste).

Orelis, one of the world leaders in membrane filtration techniques, offers manufacturing industry, engineering consultancies and local authorities technologies, products and services for reducing pollution at its source, treating effluent or separating-out liquids (through extraction, concentration, purification) while facilitating recycling of water or product.

The Orelis main markets are: automobile and mechanical engineering industry (ultrafiltration of paint baths, degreasing, recycling of oily waste); biotechnologies (clarification of fermentation broth and concentration/purification of complex solutions in the pharmaceutical industry); environmental (treatment of industrial effluent and domestic waste water); and the agro-food industry (clarification of glucose syrups, fruit juices, sterilisation of milk).

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