Project Date
Industry
Products
Location
Challenge
The air stream discharged from the sulphur melter contained high levels of both hydrogen sulphide and sulphur dioxide. The soild bed filter could not cope. The result was numerous odour complaints from neighbours.
![RavRav4 Fan.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089894974-23BYQBSTR5BYVDM2Y9ZN/image-asset.jpeg)
![RavHorn4 Fan.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089903619-9OSLAPFR1Y5IZO9D8E0V/image-asset.jpeg)
![RavHorn8 Air Supply.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089901986-B94P19P8R980JURZQG4O/image-asset.jpeg)
![RavRav10 Scrubber.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089904329-QJ1LC6TUWB8L6PXFHFOE/image-asset.jpeg)
![RavHorn1 Scrubber.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089896238-ENGVPS9EGFDSAWXARPHD/image-asset.jpeg)
![RavHorn1 Scrubber CrLR.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089890284-FQPIECH8LG7TFMVBRGVD/image-asset.jpeg)
![RavHorn5 Instruments.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089894470-5Q3O8QGPJY8AL8ET71BV/image-asset.jpeg)
![RavRav3 Pump.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089895554-GK87HCFBW9DEUI10VCOT/image-asset.jpeg)
![RavHorn3 Dosing.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089899647-H8IK6T9ZDWENOQCWUHAR/image-asset.jpeg)
![RavHorn1 Scrubber Cr.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089890872-MQ3PXMMYMQC7IEBAT5TP/image-asset.jpeg)
![RavHorn Biolog ScrA3.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089899160-NJU1CQQDKKO5SMXSNFR0/image-asset.jpeg)
![RavRav2 NutrientDosing LR.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089893021-2LD3DXB5KTBMCKAPTIXH/image-asset.jpeg)
![RavRav Biological ScrA4.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089898575-5E4JDOV4YTT7TTLC9NES/image-asset.jpeg)
![RavRav Biolog ScrA4.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089902527-Q9H30ERXM8KSQ8INSY2S/image-asset.jpeg)
![RavHorn7 Odour Collection.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089893816-8SOO3XEZ0C7OEIKP02YZ/image-asset.jpeg)
![RavRav Biolog ScrA3.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089900526-FC3X560J896PMHZK4RTZ/image-asset.jpeg)
![RavRav1 Nameplate.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089905024-0SJ1WO1ZXRGILRWZUABP/image-asset.jpeg)
![RavHorn9 Water Supply.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089897400-VRGSZ8TR9LGL0C4OF5B6/image-asset.jpeg)
![RavHorn Biolog ScrSmall.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089889692-3SCP7XNJUCYGDT5PL41U/image-asset.jpeg)
![RavHorn1 Scrub Sq.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089900224-6W8D28LA5URZ4VU8IU19/image-asset.jpeg)
![RavHorn1 Scrub Sq2.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089902951-CQBQ5PCIVARB4GDV901Z/image-asset.jpeg)
![RavHorn6 Venturi.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089896682-LZAR98UFQT0QV0YOBCY3/image-asset.jpeg)
![RavRav2 Dosing.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089901048-J2X4H58EOHAS6CESXTTS/image-asset.jpeg)
![RavHorn2 Pump.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089898025-LCQQRQP9RAP1CH3M5YMD/image-asset.jpeg)
![RavRav6 Fumes.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089892083-RAYDRKGK6I6XDU06SJAC/image-asset.jpeg)
![RavRav5 Piping.jpg](https://images.squarespace-cdn.com/content/v1/534128c3e4b063017f7afdd3/1398089901551-AU796TP4QD7TPGAOFH75/image-asset.jpeg)
Solution
A biological scrubber was installed to remove hydrogen sulphide from gas streams. Hydrogen sulphide removal efficiencies of over 97% were achieved within days of the installation. The hydrogen sulphide laden air is contacted with a scrubbing solution in a vessel packed with an inorganic support material that hosts microorganisms which aerobically degrade the absorbed hydrogen sulphide.