BG-AQUA
vortex
<p>Discover our Advanced Stormwater Treatment <br>for Urban Applications, TSS capture and removal </p>
High-efficiency and eco-friendly stormwater managment without compromise
<p>The <strong>BG-AQUA vortex </strong>by BG-Graspointner is a <strong>TSS Hydrodynamic Separator</strong> that offers a high-efficiency, eco-friendly solution for managing stormwater in urban environments. Engineered to treat runoff onsite, this robust vertical hydrodynamic separator <strong>removes pollutants, reduces sediment buildup, and ensures compliance with North America’s stringent stormwater regulations.</strong> Compact yet powerful, <strong>BG-AQUA vortex </strong>is the ideal choice for projects requiring sustainable stormwater treatment without compromising on space or performance. </p>
AN OPTIMIZED TREATMENT TECHNOLOGY IN A PATENTED COMPACT SOLUTION
<p><strong>4-micrometre fine particles intercepted</strong></p>
Why BG-AQUA vortex Stormwater Treatment Device?
OPTIMISED WATER FLOW TO MAXIMISE THE INTERCEPTION OF SUSPENDED SOLIDS (S.S.)
A UNIQUE AND PATENTED FLOW DISTRIBUTION SYSTEM
A LARGE STORAGE CAPACITY FOR BOTH SLUDGE AND PARTICLES
<p><strong>The BG-AQUA vortex technology uses two water flow trajectories:</strong> </p><ol><li><strong>Gyratory circulation</strong> around the central column extends settling time, enhancing suspended solids (S.S.) decantation.</li><li><strong>Recirculation zones</strong>, created by notches in the head, <strong>optimize particle agglomeration</strong> and simplify decantation.</li></ol>
<ul><li><strong>Guiding nozzles</strong> homogenize water flow, directing effluent to the tank bottom and walls.</li><li>This distribution keeps the central area clean, allowing particle-free flow to reach the outlet.</li><li>The system <strong>separates settled sludge</strong> from the passing flow at the tank bottom.</li></ul>
<ul><li>The sludge silo, <strong>isolated from the passing flow</strong>, traps mud and particles, preventing re-suspension during heavy rainfall.</li><li>Its <strong>large storage capacity</strong> reduces maintenance frequency.</li></ul>
DOUBLE WASTE INTERCEPTION
TOTAL CONTROL IN CASE OF EXCEPTIONAL WATER FLOW
<ol><li>In case of any <strong>accidental hydrocarbon spills</strong> or floating waste (plastic bags, bottles, masks, etc.), the BG-AQUA vortex offers<strong> sufficient storage capacity to prevent untreated flow release</strong> through the outlet. <br><strong>It stores up to 300 litres of hydrocarbons</strong> (equivalent to 6 car gas tanks). <br>A <strong>large surface area barrier</strong> with an adapted mesh screen captures non-settleable waste (e.g., cigarette butts, plastic bags). <br>Its cone shape minimises load losses (under 2 cm) and allows peak flows during heavy rainfall to pass through without releasing intercepted waste. <br> </li><li><strong>The barrier's design simplifies use</strong>: no extra servicing needed for cleaning, with waste sucked out during the process. <br>For specific applications (e.g., industrial sites handling plastic),<strong> an optional finer mesh screen can be installed.</strong> <br><em>(1) The usable surface area of the barrier is at least 4 times larger than the connecting pipe section.</em></li></ol>
<ul><li>In <strong>heavy rainfall</strong>, the BG-AQUA vortex<strong> </strong>features a <strong>discharge shaft to manage peak flows</strong>. </li><li>The shaft <strong>drains most peak flows</strong> while preventing release of floating waste and settled mud </li></ul>
Benefits:
<ul><li>Simple operation: <strong>no energy, consumables, or filters required</strong>. </li><li><strong>Over 80% suspended solids reduction</strong> (TSS) (down to 4 micrometers). </li><li>Exceptional flow management for high runoff events. </li><li>Captures floating debris and light liquids (e.g., hydrocarbons). </li><li>Compact design for <strong>easy installation</strong>. </li><li><strong>Low maintenance</strong> with no consumables to replace. </li></ul>
A system easy to service and inspect
<p>The BG-AQUA vortex operates via <strong>gravity separation, requiring no filters or substrates</strong>. </p><p>Its large sludge tank, accessible via the central column or draining shaft, minimizes maintenance costs. </p>
VERSATILE APPLICATIONS
<p>The <strong>BG-AQUA vortex</strong> stormwater filtration system is trusted by municipalities, developers, and engineers for a wide range of applications: </p>
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