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Recycling based on multi-control system: REMEXIT

Quality control for recycled products

The containment and separate collection of mineral waste materials such as construction and demolition rubble on the construction site is an important component for the production of high-quality recycled aggregates. Contaminated sites are subject to special rules, so that the introduction of such polluted substances into the recycling chain and into recycling plants is avoided. But also for regular demolition measures with the corresponding types of construction rubble, selective deconstruction is the only ecologically and economically acceptable way to ensure optimum recycling results and resource protection.

Input material defines quality

The processing of construction and demolition waste in state-of-the-art processing plants is one important component in the production of recycled aggregates. However, the type and quantity of different input materials have an even greater influence on the quality. A sophisticated system ensures constantly good conditions for production. This begins with the on-site removal and collection of rubble through controlled demolition. It continues with the transport of the material to recycling plants, sorting and screening at the entry scale, separate storage at the plant and the preparation and production of corresponding aggregates and sieve lines.

Multi-control system for quality-controlled recycled construction materials

Control mechanisms at our facilities begin with the screening of the construction and demolition waste rubble at the point of entry. On delivery, the mineral material is subject to an initial test at the scale before it is accepted onto our site. This includes data collection (e.g. origin of the material, presence of corresponding chemical analyses), visual and odour control, or, in case of road rubble, a check for possible tar contamination.

This enables us to ensure the removal of contaminated demolition materials and a targeted pre-sorting according to the future high-end intended use. Separate storage of different types of building rubble prevents possible fluctuations in the material composition during the processing and production of individual construction aggregates.

Quality surveillance

As for primary building materials, the technical and structural suitability of REMEXIT is proven within the scope of quality monitoring. In contrast to natural raw materials, substitute building materials such as REMEXIT are subject to additional environmental testing. This results in the classification into the corresponding environmental material classes RC-1, RC-2 and RC-3 according to the German Secondary Aggregate Directive (EBV).

The general proof of suitability certificate (Eignungsnachweis) as well as regular external monitoring tests (Fremdüberwachung) may only be carried out by officially recognised testing bodies, as defined in the Secondary Aggregate Directive. The quality monitoring system is supplemented by a requirement for regular in-house production control.

REMEXIT is subject to an according quality protocol and is produced and supplied exclusively by REMEX and its subsidiaries and associated companies.

Proven quality of REMEXIT

Certificates of conformity for our recycled aggregates in accordance with the German Secondary Aggregate Directive (EBV) can be found on our website