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Ferns and High-Density Porous Layers in Urban Water Filtration

Author:
Yu-sheng Liu
Ferns and High-Density Porous Layers in Urban Water Filtration

Project in-detail

Using a vertical framework of high-density porous layers and ferns, the design effectively purifies urban river water while fostering biodiversity, creating a functional ecosystem that encourages community interaction.
5 key facts about this project
01
Integrates a vertical wetland system specifically designed for urban water purification.
02
Utilizes high-density porous layers to enhance water filtration efficiency.
03
Ferns attached to the structure improve both air quality and biodiversity.
04
Encourages habitat creation for local wildlife, including fish and birds.
05
Promotes community interaction through its accessible ecological framework.

The Vertical Wetland project presents a thoughtful solution to the challenges of urban water pollution. Located within a busy urban area, the design emphasizes the need to restore the relationship between people and nature. Its primary function is to filter contaminated river water while promoting ecological awareness and community engagement.

Design Framework
The project features a vertical wetland system composed of distinct functional layers designed to effectively purify water. At the bottom, a sand layer acts as a natural filter, removing impurities from the water that flows through. Above this layer is a high-density porous permeable layer, which supports efficient drainage and optimizes water movement. This well-structured approach allows for the removal of pollutants, laying the foundation for an effective ecological system.

Plant Integration
Plants play a crucial role in the vertical wetland's operation. Ferns are incorporated into the design for their ability to improve air quality. These plants absorb harmful substances and release beneficial microorganisms, helping to cleanse the air. By attaching these ferns to the tubular surfaces, the design highlights their importance in both the air and water purification processes. This relationship underscores how plants can serve practical functions while enhancing the environment of urban settings.

Biodiversity Creation
The design also encourages biodiversity. It is not only for human use but also establishes a habitat for various wildlife, including fish and birds. This element fosters a unique dynamic between urban life and nature, offering a richer experience for residents and visitors alike. This integration cultivates a healthier ecological environment, supporting both animal life and plant systems in an urban area.

The final design detail features the growth of ferns that visually benefit the structure. The layering of different elements creates an engaging urban presence while serving multiple ecological functions. The result is a functional system that enhances both the environment and the quality of life for those in the community.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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