A new approach in industrial production is given by the Biomass Balance, which concretely contributes to environmental sustainability, guaranteeing the saving of fossil resources and significantly reducing greenhouse gas emissions.
In practice, the subjects renewable Which biogas The bio fuel, which are produced by organic waste or vegetable oils, come substituted for fossil materials which are usually used at the beginning of the material production chain. The result obtained is the limitation of the use of fossil resources and the reduction of CO emissions by up to 80%2.
The use of biofuels and bioliquids for the production of sustainable products is regulated by the European Directive 2009/28 / EC (RED Directive), recently revised in 2018 and also known as RED II. This standard establishes the necessary and specific requirements for biofuel producers, with the ultimate goal of ensuring their sustainability. The directive certifies the production process according to scheme REDcert2.
The biomass balance (BMB) approach (1)
Currently on the market there are several products made on the basis of this method, products intended for external thermal insulation or with monobloc masonry, paints, products for packaging;
Insulating materials made according to the biomass balance approach, they fully respond to Minimum environmental criteria (CAM), a necessary requirement to take advantage of the super bonus 110%.
The Relaunch Decree, which established the superbonus, specifies that: “the insulating materials used must comply with the Minimum Environmental Criteria – CAM“(Ministerial Decree of 11 October 2017), therefore containing a minimum amount of recycled material”.
For example, a manufactured in expanded polystyrene (EPS), to be CAM compliant, it must contain recycled material “from 10% to 60% depending on the type of product and technology used for production”.
One solution on the market is Neopor® BMBcert™. Made with the Biomass Balance method, this raw material is used for products with a very high recycled content, using at the beginning of the production chain, bionafta or biogas deriving from organic waste.
An application example is given by the project “residenze i papaveri”In Castenaso (BO), built by the AbitCoop building cooperative.
For future apartment dwellers, the energy issue was not the only priority. They also wanted the materials used in the construction to have minimal impact on the environment. For this reason, the Reverso panel, produced by Isolante Srl and made with Neopor® BMBcert ™. Thanks to the use of materials with a very high content of recycled part, it was possible to obtain a saving of about 12 tons of CO2.
Alternative solution toexternal insulation is to realize monobloc masonry, including SAAD diffused reinforcement construction systems, a technology in which the concrete is cast on site inside formworks to remain in previously reinforced EPS.
The line HDIII di Isotex is an example of a load-bearing and thermal formwork block made according to the biomass balance approach.
the paints represent another example of application of the biomass balance approach. Again with the chemical company BASF, for example, Novacolor responds to the challenges of ecology and sustainability by redesigning the production chain. The result is paints formulated with sustainable raw materials. Renewable sources enter at the beginning of the binder production cycle and are virtually allocated in the finished product.
Lastly, the virtuous case of the evolution of the packaging totally derived from renewable raw materials according to the biomass balance method, with which it is possible to create eco-sustainable packaging and containers, boxes, isothermal containers, bottle holders, tiles, decorative and industrial packaging.
(1) Harish K. Jeswani, Christian Krüger, Andreas Kicherer, Florian Antony, Adisa Azapagic, A methodology for integrating the biomass balance approach into life cycle assessment with an application in the chemicals sector, Science of The Total Environment, Volume 687, 2019. https://bit.ly/3nmVFZr
Source: Le ultime news dal mondo dell'edilizia by www.edilportale.com.
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