Project Functionalized carbohydrates for replacement fossil-based ingredients

Projectnummer
LWV20015

Missie
A. Kringlooplandbouw

MMIP primair
A3. Hergebruik organische zij- en reststromen

MMIP secundair

Startdatum project
01-01-2021

Einddatum project
31-12-2026

Projectleider
Ben van den Broek

Website

Status project

Samenvatting project
Sugar beet pulp is a by-product obtained during the production of sugar from sugar beet and is one of the most important side streams in the Netherlands. Annually, Cosun produces over 2 million tonnes of sugar; coproducing more than one million tonnes of sugar beet pulp. Sugar beet pulp is currently only used for low value applications such as biogas production. Sugar beet pulp consists of a cellulose and a pectin rich fraction. Cosun is close to the first market introduction of products based upon the cellulose fraction. For the total use concept of sugar beet pulp the aim of this project is the valorisation and application of the low cost uronic acid (pectin) rich side stream from sugar beet pulp. The pectin rich stream will be used for replacement of fossil based ingredients by fossil free ingredients in non-food end products. To enlarge the application of this pectin rich stream as ingredient new application areas have to be developed. In addition functionalization of the carbohydrates in order to modify their properties, such as hydrophobization is needed to further enlarge their application potential. Thus, the whole chain from resource to end applications has to be taken into account for maximal exploitation of the uronic acid rich side stream from sugar beet pulp.
In the previous TKI-project AF-17024, Non-food applications of carbohydrates from sugar beet biorefinery, it was shown that uronic acid rich (pectin) side streams of beet pulp could be produced by extraction and (enzymatic) hydrolysis on pilot (>100 kg) scale and that further upscaling is feasible. In addition, it was found that these type of pectins are excellent biological-based retanning chemicals for the leather industry and can be used in automatic dishwash formulations. However, the market perspective of pectin needed for these applications is not large enough to bring the complete uronic acid rich stream to the market and justify investment in large scale production. Thus, to increase the total use of this stream of (novel) products, first of all development of new precompetitive technology is needed by screening different pectin derived products on basic physical and application properties. This ultimately will result into the portfolio expansion that is needed in different application areas to strengthen the business case for these products. For this purpose, together with the partners, different scenarios are formulated, including modification of the pectin rich stream from beet pulp.

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