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12/17/2018 | 2 MINUTE READ

BASF Develops Pilot Products Made From Chemically Recycled Plastics

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Chemical recycling continues to gain steam as BASF announced it has broke new ground in plastic waste recycling with its ChemCycling project. Chemical recycling provides a new way to reutilize plastic waste that is currently not recycled, such as mixed or uncleaned plastics. Depending on the region, such waste is usually sent to landfill or burned for energy recovery. But chemical recycling offers another alternative: Using thermochemical processes, these plastics can be utilized to produce syngas or oils. The resulting recycled raw materials can be used as inputs in BASF’s production, partially replacing fossil resources.

BASF says it has for the first time manufactured products based on chemically recycled plastic waste. The company is collaborating closely with its customers and partners, which range from waste management companies to technology providers and packaging producers, to build a circular value chain.

BASF is already developing pilot products, including mozzarella packaging, refrigerator components and insulation panels, with 10 customers from various industries. The ChemCycling products supplied by BASF reportedly have exactly the same properties as products made from fossil resources.

Stefan Gräter, head of the ChemCycling project at BASF, sees great potential: “This new way of recycling offers opportunities for innovative business models for us and our customers, who already place great value on products and packaging made from recycled materials but who cannot or do not want to make any compromises when it comes to quality.” As a next step, BASF plans to make the first products from the ChemCycling project commercially available.

The Process

BASF gets this feedstock for the pilot products from the partner Recenso GmbH, Germany. As an alternative, syngas made from plastic waste can also be used. The first batch of this oil was fed into the steam cracker at BASF’s site in Ludwigshafen in October. The steam cracker is the starting point for Verbund production. It breaks down or “cracks” this raw material at temperatures of around 850 degrees Celsius. The primary outputs of the process are ethylene and propylene. These basic chemicals are used in the Verbund to make numerous chemical products. Under the mass balance approach, the share of recycled raw material can be mathematically allocated to the final certified product. Each customer can select the allocated percentage of recycled material.

“We need a wide range of recovery options for plastic waste, since not every solution is suitable for each type of waste or possible for each product application. The first choice should always be the solution that performs best in a life cycle assessment,” says Andreas Kicherer, sustainability expert at BASF.

Potential Commercial Use

However, technological and regulatory conditions must be met before the project is market-ready. For one thing, the existing technologies to transform plastic waste into recycled raw materials such as pyrolysis oil or syngas must be further developed and adapted so that consistently high quality is assured. In addition, regional regulatory frameworks will considerably influence to what extent this approach can be established in each market. For example, it is essential that chemical recycling and the mass balance approach are recognized as contributing to the fulfillment of product and application-specific recycling targets.

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