Cape Town startup seeks to replace plastics with home compostable bio-materials

Melian Dott (left) and Chloe Cormack (right), holding biofilm samples of different thicknesses and textures

Melian Dott (left) and Chloe Cormack (right), holding biofilm samples of different thicknesses and textures

Photo by Creamer Media's Rebecca Campbell

14th July 2023

By: Rebecca Campbell

Creamer Media Senior Deputy Editor


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Cape Town-based young-woman-led award-winning biotech startup BAOM eco solutions (BAOM), which has developed compostable cellulose-based alternatives to plastics and other packaging materials, is now, seed-investment permitting, ready to scale up to initial commercial production. The company’s biofilms, as it calls its products, are not merely biodegradable but compostable, allowing end-users to process biofilm packaging themselves by actually burying it in their gardens or compost heaps, thereby helping nourish their plants. Alternatively, they can give the material to their local community garden or dispose of it to for-profit composting companies.

The company was able to further develop its prototype biofilms through scientific engagement, thanks to a micro-grant from Cape Town biotech enabler UVU-Bio. The grant allowed BAOM access to the UVU-Bio’s laboratories. However, the startup has now outgrown the enabler’s micro-lab facilities.

“The next step for us is to scale up to macro-lab facilities,” explains BAOM product developer Melian Dott. “A macro-lab would be the beginning of a production facility. This would involve larger-scale laboratory equipment, such as an industrial-scale urn, of, ideally 500 litres capacity. If we get the capital and equipment we need, we could deliver our first production samples within two months.”

The company can produce biofilms with different thicknesses and with different textures. It has so far developed five distinct categories of biofilms, which it classifies as “thick plastic”, “thin plastic”, “vegan leather”, “cardboard” and “paper”. “Thick plastic” biofilms could be used basically for anything that flexible PVC sheeting is currently used for. “Thin plastic” mimics clingwrap and laminated thin plastics. “Vegan leather” mimics smooth cowhide, or textured crocodile or ostrich hide. “Cardboard” would substitute for real cardboard, but BAOM’s material is fire-resistant and, if it gets wet, returns to its shape when it dries out. “Paper” performs exactly like real paper, and can be printed on.

It should be noted that each of these categories can be subdivided into different variations. For example, “paper” can be subdivided into “writing paper”, “baking paper” and so on.

These biofilms were developed using the company’s own proprietary processes.

“Our first go-to-market product will actually be an intermediate thick/thin biofilm, to be used to wrap tree roots, for trees being planted in reforestation and rehabilitation projects,” reports company business developer Chloe Cormack. “There is a lot of investment going into reforestation and food security initiatives at the moment, because of the acceleration of climate change impacts that we are experiencing. Our product retains water, before breaking down and turning into compost, thereby being good for both the trees and the soil. Indeed, and importantly, BAOM root-wraps are so far showing efficacy in improving tree, and other plant, transplant survival rates, which is often a major challenge experienced in land restoration and food security projects.”

The second go-to-market product will be a food-compatible thin film for use in wrapping foods. This, once used, could be repurposed (composted) into consumer’s gardens, or, if thrown into a bin, would in due course decay just like waste food does, although BAOM strongly discourages the latter option, as food decay in landfills is a major source of greenhouse gas emissions, as well as health hazards.

The company’s future operating concept is to deploy a network of small factories, to serve local markets. This would be more efficient than centralised large production facilities with widespread distribution networks. This decentralisation concept will also be better for both job creation and the climate.

BAOM took first place in the “Green Sciences for Cosmetics Challenge” category in the recent African Union-European Union Innovation Festival. (This category was sponsored by French cosmetics giant L’Oreal.) The startup was also the regional winner in the “Best Newcomer” category of the Southern Africa round of the Global Startup Awards, with the result that it is now competing in the continental round, known as the Global Startup Awards Africa (and in which members of the public can vote). Further, BAOM is one of the ten laureates in the “Women Entrepreneurs 4 Good” accelerator programme, which is focused on female-founded businesses seen as making positive impacts.

“Unfortunately, winning any of these does not automatically bring in grants, physical resources, donations or investors,” observes Dott. “In every case, we’ll have to make pitches, but we will have access to international venture capitalists to pitch to. It will be great for our visibility. If BAOM succeeds and contributes widely to a new form of convenience, then we are optimistic about the planet’s future.”

Edited by Creamer Media Reporter



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