Overview
Large biological deodorization tanks are engineered systems that leverage microbial metabolism to neutralize industrial odors. Unlike chemical scrubbers, they utilize naturally occurring bacteria immobilized on porous media beds to decompose malodorous gases into CO2, water, and harmless byproducts. These systems typically consist of a humidification chamber, biofilter section with organic/inorganic media (e.g., compost, ceramic rings), and air distribution network. They achieve 70–95% odor removal efficiency for compounds like mercaptans and amines, making them ideal for continuous operation in odor-sensitive facilities.
Structure and Working Principle
The standard configuration includes a pre-treatment humidifier to optimize gas moisture (60–70% RH), followed by a multi-stage biofilter bed with 1–2 m depth. Contaminated air flows upward through the media where immobilized bacteria (e.g., Thiobacillus for H2S) metabolize pollutants. Key components include perforated false floors for even air distribution, irrigation systems to maintain moisture, and pH adjustment ports. Advanced models integrate PLC-controlled nutrient dosing and real-time VOC sensors. Retention time ranges from 15–60 seconds depending on contaminant load, with pressure drops typically below 500 Pa.
Key Features
Modern biological deodorizers feature modular FRP (fiber-reinforced plastic) panels for easy expansion, with some models offering hybrid UV/biological treatment stages. Corrosion-resistant 316L stainless steel is preferred for high-H2S applications. Energy efficiency distinguishes these systems, consuming only 0.3–0.8 kWh per 1,000 m³ of treated air – significantly less than thermal oxidizers. They operate optimally at 15–40°C, with some strains functioning at up to 65°C in composting applications. Noise levels are typically below 65 dB(A).
Application Areas
Primary installations include municipal sewage treatment plants (particularly sludge processing areas), where they handle 500–5,000 ppm H2S loads. In agriculture, they control ammonia emissions from poultry/livestock facilities. Industrial applications span tanneries, pharmaceutical production, and rubber manufacturing. Recent adaptations serve biogas upgrading plants, removing siloxanes and sulfides. Emerging markets include landfill gas treatment and food waste processing facilities under stringent odor regulations.
Maintenance and Precautions
Routine maintenance involves weekly moisture checks (target 40–60% water holding capacity) and monthly media pH monitoring (optimal 6.5–8.5). Microbial consortia require replenishment every 6–18 months depending on loading rates. Critical precautions include avoiding chlorine-based disinfectants in upstream processes and maintaining ambient temperatures above 5°C. Sudden load spikes (>30% increase) may require auxiliary activated carbon units. Pressure drop increases beyond 20% baseline indicate media compaction needing replacement.
B2B Procurement Guide
When sourcing, verify the supplier's experience with your specific contaminant profile through case studies. Request computational fluid dynamics (CFD) modeling reports for large installations (>3,000 m³/h). Consider total cost of ownership: high-grade FRP tanks offer 15–20 year lifespans versus 8–12 years for coated steel. Negotiate service contracts covering microbial culture supply and emergency media replacement. Lead times average 8–12 weeks for custom configurations. Bulk orders (5+ units) may secure 8–15% discounts.
Related Manufacturers
- 主营：玻璃钢生物除臭箱、玻璃钢管道、玻璃钢污水池盖板、玻璃钢脱硫塔
- 主营：玻璃钢罐、玻璃钢喷淋塔、玻璃钢泵站、玻璃钢生物除臭箱、玻璃钢脱硫塔、玻璃钢吸收塔、玻璃钢储罐
- 主营：防臭盖板、玻璃钢盖板、立式喷淋塔、生物除臭塔、废气除臭设备、生物除臭设备、过滤除臭装置、玻璃钢除臭箱、玻璃钢除臭设备、玻璃钢喷淋塔、脱硫除尘设备、活性炭吸附塔、玻璃钢拱棚盖板
- 主营：喷淋塔、废气收集设备、布袋除尘器、除臭塔箱、吸附箱过滤、除臭废气处理、活性炭吸附箱、Pp生物除臭塔箱、除尘器、锅炉除尘器、催化燃烧设备、沸石转轮、PP喷淋塔、不锈钢除尘器
- 主营：一体化预制泵站、环保设备、溶气气浮机、生物除臭箱、除臭箱、带式压滤机、刮吸泥机、化粪池、一体化污水处理设备、石英砂过滤器、玻璃钢一体化污水处理设备、叠螺机、垃圾焚烧炉、焚烧炉、污水处理设备、一体化泵站、全自动加药装置、气浮机、污泥处理设备、泵站、玻璃钢泵站、污水提升泵站、市政污水提升泵站
- 主营：玻璃钢复合材料、电缆沟盖板、树脂盖板、生物除臭箱、沟渠盖板、电缆管
- 主营：火山岩、斜管填料、松树皮、除臭箱填料、生物填料、泡沫滤珠、竹炭、陶粒、沸石、聚苯乙烯泡沫颗粒、活性碳、石英砂、彗星滤料、流化床、空心球、喷砂除锈
- 主营：烟囱、管道、玻璃钢盖板、玻璃钢除臭箱、水箱、玻璃钢水罐、化粪池、一体化泵站、电缆沟盖板、储罐、檩条、拉挤型材、填料、冷却塔、脱硫塔、除雾器、塔器配件、管件、雨水篦子、格栅、检查井
- 主营：电缆桥架、玻璃钢桥架、拱形圆形盖板、除臭箱、生物除臭系统、玻璃钢管箱、玻璃钢电缆管箱、玻璃钢生物除臭箱、一体化生物除臭箱、生物滤池、生物除臭箱、污水厂生物除臭设备、生物除臭设备、玻璃钢电缆桥架、玻璃钢梯式桥架、高速公路桥架、玻璃钢拱形盖板、玻璃钢污水池盖板、污水池密封盖板、拱形盖板、污水池盖板、拉挤平盖板、玻璃钢警示桩、玻璃钢警示牌、玻璃钢警示球
- 主营：玻璃钢管道、玻璃钢储罐、玻璃钢化粪池、生物除臭箱、玻璃钢生物除臭箱、玻璃钢生物滤池、玻璃钢水箱、污水池除臭设备、锅炉脱硫除尘、航空警示球、玻璃钢脱硫塔、玻璃钢净化塔、玻璃钢酸雾净化塔、玻璃钢洗涤塔、玻璃钢碱洗塔、玻璃钢输送机防护罩、玻璃钢航空警示球、玻璃钢航空障碍球、航空障碍球、玻璃钢拱形盖板、玻璃钢电缆保护管、玻璃钢电缆桥架、玻璃钢盖板
- 主营：玻璃钢生物除臭箱、生物过滤除臭装置、玻璃钢生物除臭设备、生物除臭系统设备、生物除臭装置、玻璃钢生物除臭、生物除臭一体化设备、玻璃钢生物除臭塔、生物过滤除臭设备、生物除臭设备、生物除臭箱、生物除臭、玻璃钢脱硫塔、喷淋塔、玻璃钢污水池盖板
- 主营：丙酮废气、玻璃钢储罐、甲醇废气处、pp废气喷淋塔、玻璃钢喷淋塔、废气净化设备、活性炭吸附罐、玻璃钢洗涤塔、车间废气治理、玻璃钢冷却塔、活性炭吸附塔、玻璃钢酸雾塔、废气净化处理、净化环保设备
- 主营：气浮机、废气治理、废气净化塔、除臭设备、废气净化器、污水处理设备、玻璃钢喷淋塔、废气净化设备、催化燃烧设备、粉尘处理设备、废气净化装置、废水净化装置、废水处理设备、污水净化装置、废气净化处理、废气催化燃烧
- 主营：一体化泵站、玻璃钢脱硫塔、一体化污水提升泵站、生物除臭箱、生物滤池、生物除臭设备、一体化雨水提升泵站、玻璃钢脱销塔、玻璃钢脱硫设备厂家、玻璃钢拱形盖板、玻璃钢盖板、玻璃钢管道、玻璃钢夹砂管道、玻璃钢通风管道、大口径玻璃钢管道
- 主营：玻璃钢储罐、玻璃钢管道、玻璃钢化粪池、玻璃钢水箱、污水池盖板、玻璃钢格栅、玻璃钢泵站