Zero Liquid Discharge – ZLD
Water is one of the most valuable resources and water treatment is essential. Learn more about ZLD and the role centrifuges play.
Recycling & ZLD are important processes with a positive impact on the environment, economy and society. By sustainably activating recyclable materials, we can conserve resources, reduce the need for new raw materials, minimize waste, save energy and reduce greenhouse gas emissions. With increasing environmental challenges and limited resources, recycling is an important part of building a sustainable future.
Recycling & ZLD – for a sustainable future and a healthy world!
For decades, the global scarcity of resources and raw materials has led to the sustainable activation of recyclable materials that are fed back into the value chain.
With the CONTURBEX screen scroll centrifuge, our customers dewater, for example, X-ray films for the recovery of silver, plastic granulates from car recycling or HDPE from the recycling of beverage packaging. We develop the necessary special slotted screens or CONIDUR® screens for dewatering in-house.
The salt contamination of waste water, e.g. from the power plant industry or the potash industry, must be minimized. This is achieved using Zero Liquid Discharge (ZLD) systems, among other things. In this application, dewatering is carried out using decanters, SHORTBOWL decanters, pusher centrifuges and CONTURBEX centrifuges. Our HSG vibrating centrifuges have proven themselves for dewatering coarse residue.
Finer mixed salts from crystallization systems are centrifuged with downstream SHORTBOWL decanters, pusher centrifuges and CONTURBEX centrifuges at temperatures sometimes exceeding 100°C. The high-alloy stainless steels, Hastelloy and titanium materials required for these machines are provided with appropriate wear protection made of tungsten carbide, stellite or ceramic tiles. In this innovation-driven market, we are constantly developing new and more efficient solutions for coating, bonding and joining technology for our customers.
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- Zirconium-corundum
- Wastewater (ZLD)
- Demolition waste
- Lead mud
- Fracking ZLD
- Glass powder
- Glass beads
- Incineration slag
- Blast furnace slag
- Cable jacket recycling
- Potassium sulfate (Vinasse)
- Sand from canalization
- Capacitors
- Converter dust
- Waste
- Waste slag
- PVC (recycling)
- Slag
- Shredder material
- Scrap
- Street sweepings
- Animal waste – Rendering
- Mill scale
- Zero Liquid Discharge – ZLD
- Tinder sludge
- Aluminum Salt Slag
High temperature applications are a considerable problem for most decanters, not so for our SHORTBOWL decanter centrifuge.
High Temperature Applications
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How industry can help protect our water supplies & why is it necessary? Learn more about Zero Liquid Discharge here.
World Water Day
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Semi-mobile pulsator jig
Our Semi-mobile pulsator jig is always the perfect solution if you want to avoid long transportation routes or if the time limit on the amount of material makes the construction of a plant uneconomical.
Pulsator Jig
Our oscillating Pulsator Jig is specially designed for separating light material from heavy material with a grain size >1 mm.
Decanter centrifuge – solid bowl
Our decanters are individual, functional and versatile. They offer highly efficient separation of even the finest solids with almost complete clarification of the liquid phase.
SHS pusher centrifuge
The SIEBTECHNIK TEMA SHS pusher centrifuge has established itself and proven itself as a modern high-performance unit in many industries.
Screen scroll centrifuge CONTURBEX
The CONTURBEX is a continuously operating, filtering centrifuge with a very wide range of applications.
Hammer sampler
The Hammer sampler is used for sampling materials from belt conveyors.
HSG vibrating centrifuge
With the SIEBTECHNIK TEMA HSG vibrating centrifuge you can continuously centrifugally dewater the world's largest solids capacity of bulk materials.
TURBOSCREEN screen bowl decanter centrifuge
It combines the process engineering advantages of a sedimenting decanter and a filtering centrifuge in one machine.
SHORTBOWL decanter centrifuge
Due to the special geometry of the rotating parts, the SHORTBOWL decanter centrifuge - solid bowl is best suited for separating fine solid particles with a high specific density difference to the liquid phase.
CONTHICK screen bowl decanter centrifuge
The CONTHICK screen bowl decanter centrifuge is a combination machine consisting of a solid-wall drum in the product feed zone and a downstream screening drum.
Banana screening machine
Our banana screening machine is used for screening granular bulk materials. It achieves good separation efficiency at extremely high feed rates and with difficult-to-screen material and is a high-speed screen in terms of its operating behavior.
Circular motion screening machine
A SIEBTECHNIK circular motion screening machine is the classic solution for process engineering tasks in screen classification.
Multi-deck screening machine
Our multi-deck screening machine is used as a control or classifying screen for free-flowing, dry or granular bulk materials.
Eccentric vibratory screening machine
The SIEBTECHNIK TEMA eccentric vibratory screening machine is always ready for anything thanks to its fixed vibration amplitude. They have proven themselves as pre-separators in tough applications for many years.
Elliptical motion screening machine
The elliptical vibrating screen combines the advantages of linear and circular vibrating screens with space-saving horizontal installation and high material throughput.
Linear motion screening machine
Our linear motion screening machine is used for screening and dewatering granular bulk materials. Even extreme requirements, high temperatures and low residual moisture can be realized with these machines.
Tumbler screening machine
The SIEBTECHNIK CONFLUX type C tumbler screening machine offers outstanding adaptability to the highest requirements and is used in fine and ultra-fine screening technology.
Hammer and impact hammer mills
High-speed machines for impact shredding and impact crushing. Processing of soft to medium-strength materials and recycling of multi-material components.
Curved-screen Systems
The Curved-screen Systems is a universally applicable classifying and dewatering device. It can be used in almost all branches of industry. For the pre-thickening of suspensions of all kinds, the curved screen is a very economical preliminary stage before centrifuges and dryers. When separating crystalline or fibrous solids from process or waste water and when recovering valuable materials from aqueous media, there is considerable potential for savings.
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