• Suitable for
  • Renewables, Sustainable energy production
  • Product category
  • Moisture-rich (by) products from tubers and carrots
  • Product Features
  • Product form
  • liquid
  • % Dry matter
  • 45.0
Download Matrix
Product description

Soapstock for digestion

is a co-product released during the desliming of crude vegetable oil, derived exclusively from rapeseed, rapeseed, soybean or sunflower seeds. By physical separation, the hydrophilic portion of the oil dissolves in water. This creates a weakly acidic solution consisting of phospholipids, water-soluble fats, oil and possibly acid residues in water.

More information or a question? Contact:

Freek Lemmen

Valid from 28 July 2022

Valid from 28 July 2022

Matrix 1
Matrix 2
Nitrogen (N)
Phosphor (P)
Matrix 3
Biogas yield
Methane %

Levels are based on averages and stated in grams per kg of dry matter, unless stated otherwise. Changes in product composition are reserved.

Logistics & Storage

Liquid with tank truck
Silo with agitator

Frequently Asked Questions 

Below are the questions commonly asked about the co-product Soapstock, do you have any other questions about the co-product? Then please contact us.

What is the gas revenue of the co-product Soapstock?

The gas revenue of the co-product Soapstock is calculated per ton of product. The gas revenue of the co-product Soapstock is 520.

What is the dry matter percentage of the co-product Soapstock

The dry matter percentage of the co-product Soapstock is 45,0%. These values are based on averages.

How should the co-product Soapstock be stored?

The co-product Soapstock must be stored in a silo with agitator. In this way, the co-product retains its quality and archives the highest yield. 

Is the co-product Soapstock on Annex Aa?

You may use waste and residues as manure if they are listed in annex Aa. Annex Aa lists substances that you are allowed to ferment during co-fermentation, after which the digestate is still considered animal manure. The co-product Soapstock is on Annex Aa.

Which Eural code does the co-product Soapstock have?

The different types of co-products are defined in the European Waste List by a 6-digit code. For the co-product Soapstock this is 07.01.99.

What is the current price of the co-product Soapstock?

Curious about the current price of co-product Soapstock? Prices of digester co-products change regularly. Freek, our product manager Renewables, will be happy to give you more information on co-product Soapstock.  

Who can I contact about the co-product Soapstock?

Do you have any questions about the co-product Soapstock? Do you want to know more about Looop's range of co-products? If so, please contact: Freek Lemmen. You can reach Freek by sending an email to, via WhatsApp +316 29 366 064 or by calling +3188 56 66 723.