The environmentally friendly and cost-effective disposal of waste products generated through effluent treatment is a major challenge for relevant industries around the world. It is generally true, however, that the greater the proportion of dry substance for disposal, the lower the transport, incineration and landfill costs. GEA’s reliable, high-performance decanters effectively and efficiently thicken and dewater effluent, making it possible for municipal sewage treatment plants to achieve a considerably reduced sludge volume.
Optimal dewatering reduces costs of effluent disposal
Designed for high clarification performance and maximum solid thickening, GEA decanters provide reliable dewatering of effluent in municipal sewage treatment plants. The high level of dewatering achieved means that our decanters enable substantially reduced transport and disposal costs. They set standards in terms of dry substance and separation performance, and also require minimal space. Our decanters demonstrate the most efficient use of energy and can enable up to a 50% saving on flocculants compared with other sludge treatment technologies.
Fully automated feed control for maximum volume reduction
GEA decanters effectively demonstrate consistent thickening of effluent. The patented GEA varipond system means that our centrifuges adapt fully automatically to changing feed conditions, to enable consistent dry substance output, even when the solid concentration in the feed varies considerably. Customers benefit from maximum process reliability and unmanned, 24-hour operation, and because of the constant concentration, the digestion tank can be operated more economically: the sludge ferments better and a greater gas yield can be achieved due to the improved quality.
Designed for use in the thermal hydrolysis process
The process of Cambi thermal hydrolysis can also be integrated into municipal sewage treatment plants to allow a significant improvement in anaerobic digestion and thus substantially more efficient dewatering of effluent. Whether for stable pre-dewatering of exactly 16% before hydrolysis, or for dewatering after the digestion process, GEA decanters are the result of decades of experience and comprehensive process technology know-how.
Mobile plants for flexible use
To handle peak loads, our high-performance systems are also available as mobile units. All our plant systems, including all the necessary units, can be installed on containers and thus offer users maximum flexibility.
GEA in addition offers a range of jet and vacuum pumps for conveying liquids such as water, sludge or lyes, solids such as sand, gravel, salt, activated carbon, or ion exchange resin in municipal effluent plants.
GEAの環境用デカンタシリーズ – 地球資源の保護
製品および技術
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エジェクタシステム
エジェクタは、ガスや液体媒体が駆動力としての役割を果たすガス、蒸気、液体または固体の搬送、圧縮または混合のための装置です。これは「可動部品のないポンプ」です。
サニタリ仕様バルブ & コンポーネント
GEA のサニタリ仕様バルブは、マトリックスパイププロセスプラントの中核コンポーネントを構成します。柔軟性の基準を設定する先駆的なバルブの概念と、最新の制御および自動化機能により、当社のバルブでは製造業者の最大限の製品の安全性とプロセスの信頼性が得られます。全ての GEA サニタリ仕様バルブは、その用途に対して効率的で費用対効果が高くなるよう設計されており、持続可能な操業と大幅な節約につながります。
ジェットポンプ
エジェクタとも呼ばれるジェットポンプは、ガス・液体媒体が駆動力としての役割を果たすガス、蒸気、液体・固形物の搬送、圧縮または混合、および真空の生成のための装置です。
デカンタ遠心分離機
懸濁液の固体成分を高効率で処理するにあたり、デカンタの時代が到来しました。この機器は、高い浄化効率性と最大限の脱水だけでなく、固体の除去と同時に液体を分離できるようにします。ここでの主な要件は高いボウル速度、巻軸の強力な駆動装置および実現される固体脱水に自動的に順応する巻軸速度です。
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