Replacing the plastic bag for a reusable container would prevent large amounts of plastic waste being created by the growing of oyster mushrooms.
Miksi tämä kokeilu on tarpeellinen?
Cultivating oyster mushrooms indoors requires the substrate to be put in special plastic bags with breathing filters which contain the growing medium. These bags are used only for one growing cycle and then discarded, creating large amounts of plastic waste. Helsieni Oy wants to develop a reusable container that has a similar performance to the plastic bag. We want to find out if this process does not take more time or cost more than the use of bags, making the solution viable.
The goal of the experiment is to develop a process that takes the equivalent amount of time, produces a similar amount of mushrooms while using a reusable container as a substrate holder. This would completely eliminate the need for single use plastic bags in the cultivation of oyster mushrooms. After enough data has been collected we can make a good estimation of the total costs (labor + money) of this new process and decide if it we want to implement it at the complete farm scale.
Miten kokeilu toteutetaan?
The containers we want to test are made of a high quality reusable plastic and can withstand temperatures of pasteurization. We need to develop a proper filling and emptying system and test the time it takes to operate. We will also test if there is any difference in performance concerning contamination risk and mushroom yields. If the time, contamination and emptying process are comparable to the bag system we will switch our production to this new system, preventing the need for buying new plastic and disposing of it. The amount of plastic waste produced would be significantly reduced since the plastic might only be disposed after several tens of cycles.
We will test the idea at Helsieni Oy’s facility in Vantaa. We will collect the buckets from restaurants that would otherwise throw these food grade plastic buckets away. When we reuse containers, we need to build a filling mechanism and design an emptying and cleaning process. The buckets will be used in our current pasteurization step and cultivation facilities and the performance will be time tracked.
We will start the experiment in February 2019 and hope to get all the results by the end of April 2019.
Kuka tai ketkä kokeilun toteuttavat?
Helsieni Oy will perform the experiment. If the results are successful, results will be shared with the Mushroom Learning Network, a network of european growers that share experiences on growing mushrooms on urban waste streams like coffee waste.
Mikä on kokeilun budjetti?
The budget of the experiment is 5000 euros, which allows us to finance the necessary equipment, raw materials and process testing. In addition, Helsieni Oy will fund the experiment itself with labor and the necessary space within our facility for 2000 euros.
Millaista osaamista ja rahoitusta kokeilulla on käytettävissään?
Helsieni Oy has 2 years of experience in growing oyster mushrooms and has the necessary skills needed to perform the experiment. Our facility is built for cultivating mushrooms and is available.