Odzysk piasku kwarcowego z oczyszczalni ścieków - krok w stronę zrównoważonego budownictwa i gospodarki obiegu zamkniętego

• Autorzy: Czapla Aleksander , Kruszelnicka Izabela , Drewnowski Jakub

Warianty tytułu

EN

Recovery of quartz sand from wastewater treatment plants - a step towards sustainable construction and circular economy

• Języki publikacji: PL

Abstrakty

PL

Globalne wyczerpywanie zasobów naturalnego piasku kwarcowego, napędzane dynamicznym wzrostem zapotrzebowania w sektorze budowlanym i przemysłowym, podkreśla konieczność poszukiwania alternatywnych źródeł surowców mineralnych. Odzysk frakcji bogatych w krzemionkę w procesach oczyszczania ścieków wpisuje się w zasady gospodarki o obiegu zamkniętym, zmniejszając ilość odpadów kierowanych na składowiska oraz ograniczając eksploatację naturalnych złóż. Dzięki korzystnym właściwościom fizykochemicznym krzemionka odzyskana ze ścieków może działać jako składnik wzmacniający właściwości użytkowe materiałów, a nie jedynie obojętny wypełniacz. Artykuł omawia technologie stosowane w oczyszczalniach ścieków do separacji i przygotowania piasku kwarcowego do ponownego wykorzystania oraz potencjalne zastosowania w materiałach budowlanych, systemach filtracyjnych i produkcji kompozytowych rur GRP. Przykłady praktycznych wdrożeń i aktualne badania wskazują, że odzyskana krzemionka stanowi wartościowy surowiec wtórny wspierający zrównoważone gospodarowanie zasobami w środowisku zurbanizowanym.

EN

The global depletion of natural quartz sand, driven by rapid growth in construction and industrial demand, underscores the need for alternative mineral resources. Recovering silica-rich fractions during wastewater treatment aligns with circular-economy principles by reducing landfill waste and limiting extraction of natural deposits. Due to favourable physicochemical properties, wastewater-derived silica can act as a functional performance-enhancing component rather than an inert filler. This article reviews technologies used in wastewater treatment plants for separating and preparing quartz sand for reuse, and discusses potential applications in construction materials, filtration systems and GRP composite pipe production. Practical examples and current research indicate that recovered silica represents a viable secondary raw material supporting sustainable urban resource management.

Słowa kluczowe

PL

odzysk krzemionki; oczyszczanie ścieków; gospodarka o obiegu zamkniętym; surowce wtórne; piasek kwarcowy; kompozyty GRP

EN

silica recovery; wastewater treatment; circular economy; secondary raw materials; quartz sand; GRP composites

• Wydawca: Wydawnictwo 2K TECHNOLOGIE s.c.
• Czasopismo: Technologia Wody
• Rocznik: 2025
• Tom: Nr 4 (90)
• Strony: 68--71
• Opis fizyczny: Bibliogr. 24 poz., tab.

Twórcy

autor

Czapla Aleksander

• Politechnika Gdańska, Wydział Inżynierii Lądowej i Środowiska

autor

Kruszelnicka Izabela

• Politechnika Poznańska, Wydział Inżynierii Środowiska i Energetyki

autor

Drewnowski Jakub

• Politechnika Gdańska, Wydział Inżynierii Lądowej i Środowiska

Bibliografia

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