Residual Material-Based Composition for the Preparation of a Geopolymer Light Stone; Geopolymer Light Stone, Method for Its Preparation and Its Use

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This patent describes a method for creating lightweight geopolymers (light stones) from entirely residual or waste-based materials. It covers a specific composition that includes an aluminosilicate binder, an alkaline activator, and a porosifying agent, all derived from industrial waste products. The process enables the production of lightweight, strong, and heat-resistant stones with high porosity, which can be made at relatively low temperatures and are fully recyclable at end-of-life.

Use CasesContent extracted from patent full text and abstract with AI.

• Construction of energy-efficient, lightweight building blocks and panels for insulation or structural applications
• Production of fireproof and thermally-insulating materials for furnace linings or kiln car construction
• Utilization of industrial by-products (such as fly ash, red mud, or silicon waste) in the building materials sector, reducing landfill needs
• Manufacturing of recyclable, eco-friendly building materials for sustainable architecture
• Creation of specialized light stones for use in high-temperature industrial settings

BenefitsContent extracted from patent full text and abstract with AI.

• Reduces the consumption of natural resources by using exclusively waste-based inputs
• Minimizes landfill and waste disposal requirements, promoting circular economy principles
• Allows production at lower energy cost due to low-temperature processing
• Produces materials that are both lightweight and structurally robust, with good thermal and fire resistance
• Final products are fully recyclable, further enhancing sustainability
• The process immobilizes potentially harmful substances from waste within the geopolymer matrix, reducing environmental risks

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Patent Abstract

Die Erfindung betrifft eine reststoffbasierte Zusammensetzung zur Herstellung von Geopolymer-Leichtsteinen, enthaltend mindestens ein reststoffbasiertes, alumosilikatisches Bindemittel, mindestens einen reststoffbasierten, alkalischen Aktivator, und mindestens ein reststoffbasiertes Porosierungsmittel, wobei das Verhältnis des mindestens einen reststoffbasierten, alkalischen Aktivators zum mindestens einen reststoffbasierten, alumosilikatischen Bindemitt im Bereich von 0,2 bis 1,0 liegt. Weiterhin betrifft die Erfindung einen Geopolymer-Leichtstein, herstellbar aus einer reststoffbasierten Zusammensetzung und ein Verfahren zur Herstellung eines Geopolymer-Leichtsteins.