The History of ZOR
Refining oils in Zaandam since 1930
Situated on the banks of river Zaan, near Amsterdam in The Netherlands, the Zaanlandse Oil Refinery (ZOR) has been refining oils on site since 1930. Historically an industrial region, windmills were originally used to crush grain, seeds and beans and to saw wood. Today, the area is synonymous with the food processing industry.
Change in operations: refining of vegetable oils and fats only.
Installation of new fatty acid storage tanks.
Opening of new laboratory
Installation of automated fat filling line.
Receive FSSC 22000 certification.
Investment in a new membrane filter press for cold filtration (winterization) processes.
Installation of a pilot plant for small batches, from 100 kg.
August 13th, the ZOR celebrates its 75th anniversary.
Expansion of laboratory facilities. Upgrade of fat filling installation.
Existing ISO-9002 certificate upgraded by Lloyd’s to the ISO 9001:2000 standard. HACCP study finalized. Major investments in environmental projects, including energy reduction and water treatment plant.
A new cocoa liquor melting facility is commissioned to replace the existing melting unit.
A third refining unit is constructed to further enhance the plant’s refining capacity.
The quay alongside the premises is widened to provide access for ships to the tank storage area and to enable further expansion of the production facilities. A cocoa liquor melting and packing unit is commissioned.
ISO-9002 certification with Lloyd’s as well as Skal-certification for organic production methods.
Cargill acquires General Cocoa and its subsidiaries, including the ZOR.
Growing demand is facilitated by investments in an additional crude oil storage tank and the commissioning of a second refining unit, doubling the plant’s refining capacity.
By acquiring ownership of Stuurman Cacao, Gerkens Cacao becomes the owner of (what is now) the “Zaanlandse Olieraffinaderij B.V.”. Gerkens Cocoa is fully owned by General Cocoa since 1975.
The old processing facilities are replaced by a brand new refinery installation.
Stuurman Cacao, the neighbouring cocoa company, acquires the majority of ZOR stocks. Its aim: to use part of its processing capacity to refine cocoa butter.
After the war, the ZOR resumes the refining of vegetable oils and branches into the production of salad dressings.
August 13th, founding of “N.V. Zaanlandse Olieraffinaderij”, a company dedicated to the refining and trading of oils and fats.
May 19th, first meeting of founders and stockholders of the Zaanlandse Olieraffinaderij in Sociëteit Parklaan in Zaandijk.