PP Rainwater Harvesting Modules Boost Sponge City Development
With the promotion of sponge city initiatives, rainwater harvesting systems have been increasingly widely adopted. These systems effectively control stormwater runoff by absorbing, retaining, and slowly releasing rainwater. As a key component of rainwater harvesting systems, PP rainwater harvesting modules significantly contribute to sponge city development. Let’s explore this further with Yajing Environment!
PP rainwater harvesting modules are made of polypropylene, formed through a single injection molding process, balancing lightweight design with high strength. With a water storage rate of up to 95%, these modules can be freely assembled into storage tanks of various sizes, making them suitable for diverse scenarios such as green belts and parking lots.
Compared to traditional concrete storage tanks, PP modules offer significant advantages: they can be manually assembled, reducing construction time by over 70% and costs by 30%–40%, while also allowing flexible expansion. Their buried design saves above-ground space, supports green planting on the surface, enhances soil permeability, and protects the underground ecosystem.
Functioning as "invisible sponges" in urban areas, these modules absorb runoff during heavy rains, alleviating pressure on drainage systems, and release stored rainwater during dry periods for purposes like irrigation. This achieves an annual water-saving rate of 30%–60%. With a lifespan of over 50 years and 100% recyclability, PP rainwater harvesting modules provide an efficient and sustainable solution for water resource circulation in sponge cities.
Plastic rainwater storage tank,soakaway crates
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