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Wastewater Treatment for Industry

From sewer-discharge-compliant wastewater treatment and wastewater reduction through to water recycling: For your specific production conditions, we develop customised solutions for the safe treatment of industrial wastewater.

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55

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Years of experience

975

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Wastewater treatment systems

Drawing on decades of experience, we develop tailored processes for the removal of pollutants from wastewater – depending on factors such as volumetric flow rate, pollutant type and available space. Water-saving measures and recycling solutions up to Zero Liquid Discharge (ZLD) are also considered. This gives you exactly the solution your production environment requires, all from a single source.

As varied as production, so diverse the wastewater treatment

Whether heavy metals or toxic inorganic substances such as cyanides, chromates, arsenates or nitrites are present in the wastewater, we develop the appropriate plant technology for physico-chemical wastewater treatment. Wastewater containing toxic organic substances can be safely pre-treated or made discharge-compliant using our Fentox® process.

Benefit from a highly efficient system that enables you to:

  • comply with all statutory emission limits
  • reduce operating costs
  • protect the environment

References

Safely treating pesticide-containing wastewater for direct discharge using our Fentox® process. Through a two-stage treatment process with downstream sludge separation, the wastewater is reduced to levels that meet discharge limits.

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Reduction of wastewater containing toxic substances using evaporator technology. The wastewater, which would otherwise have to be sent entirely to incineration due to the contaminant, is concentrated, and the purified distillate is discharged free of pollutants.

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Using our Fentox® process, the polyvinyl alcohols generated during paper production are oxidised in the wastewater to a bioavailable state before being fed into the downstream biological wastewater treatment system.

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The wastewater generated during flue gas treatment is processed via batch treatment, ensuring the safe removal of heavy metals, dioxins, and furans from the water prior to discharge into the sewer system.

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The demineralisation plant originally built by Eisenmann over 25 years ago with a capacity of 45 m³/h has been replaced with a fluidised bed series system for 120 m³/h. The system supplies the production of aluminium parts with high-quality process water.

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This is how our service works

1. Input data
Submit your input data to us either via our form or have all information recorded in person by our service staff.

2. Requirements check
We verify what conditions must be met at the outlet of your wastewater treatment system and how these can be achieved. The basis for this is the applicable statutory, regulatory and internal specifications. For challenging wastewater streams, laboratory tests can determine the general feasibility and the optimal plant type.

3. Concept study
Which system technology is right for your plant? We clarify this question with a well-founded concept study. Based on your production conditions, we capture all project details – from feasibility and risks to cost and schedule planning.

4. Permit documentation
We support you in preparing the required permit documentation.   

5. Basic design
Even before the contract is awarded, we provide you with a basic design specifying all requirements of your wastewater treatment system.

6. Implementation
Once you have awarded us the contract, we build your system according to plan.

7. Commissioning
We install your system on site and commission it. If you have any questions, we will of course be happy to answer them.

8. After-sales service
Whether maintenance, repair or technical modifications: we are always available when you need our support. 
 

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Proven Methods of Wastewater Treatment and Water Recycling

Treatment of wastewater streams containing heavy metals or inorganic toxic substances from production processes involving cleaning operations or flue gas treatment.

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Concentration of lightly contaminated wastewater to reduce disposal costs or for water recycling in production processes.

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Chemical oxidation of toxic substances for pre-treatment prior to biological wastewater treatment or for treatment to meet discharge standards.

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Combinations required?
We design your custom solution

Our experienced team finds a sustainable solution for you, even for complex requirements.

There are many process approaches and plant technologies for wastewater treatment on the market. The key is to know the right one and design the precisely fitting system.

A basic preliminary selection can be taken from our comparison of wastewater treatment systems.

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Technical examples:

  • Physico-chemical wastewater treatment with precipitation, flocculation and filtration (with selective ion exchange if required) for the removal of e.g. heavy metals, solids, sulphate and phosphate in batch or continuous-flow systems
  • Detoxification of cyanide, chromate, nitrite and arsenate-containing wastewater using batch processing
  • Flotation of oil- and lacquer-containing wastewater
  • Oxidation of toxic substances for wastewater pre-treatment using our Fentox® process
  • Zero liquid discharge production using evaporator technology
  • Water recycling or bath maintenance measures for process baths

Want expert advice?

Simply contact us by phone or in writing. We will be happy to inform you about your options for wastewater treatment and develop your optimal solution.

Frequently Asked Questions About Wastewater Treatment

What is industrial wastewater treatment?

Industrial wastewater treatment includes all processes used to treat process and production wastewater before it is discharged to a sewer system, a municipal wastewater treatment plant, or a natural water body. The primary goals are to remove pollutants, comply with regulatory discharge limits, and use water resources efficiently. Depending on the industry and manufacturing process, wastewater may contain a variety of contaminants, including heavy metals, oils, grease, solvents, salts, suspended solids, and organic compounds. As a result, each application requires a treatment solution tailored to its specific requirements. Eisenmann Environmental Technology designs and delivers customized industrial wastewater treatment systems that are tailored to individual process requirements and applicable discharge standards.

Why is industrial wastewater treatment important?

Industrial wastewater treatment protects water bodies and the environment from harmful contaminants while helping companies comply with applicable environmental regulations. At the same time, it enables the recovery of valuable resources, reduces freshwater consumption, and supports reliable production processes. Because wastewater composition and pollutant loads can vary significantly depending on the industry and manufacturing process, a reliable and application-specific treatment solution is essential. It helps companies meet discharge limits, comply with environmental requirements, and operate efficiently over the long term. Eisenmann Environmental Technology develops customized wastewater treatment concepts that combine environmental protection, economic efficiency, and process reliability.

What wastewater treatment processes are available?

Industrial wastewater can be treated using physical, chemical, and biological processes. The technologies used depend on the wastewater composition and the required effluent quality. Common treatment methods include neutralization, coagulation and flocculation, sedimentation, filtration, and biological treatment. For more demanding applications, membrane technologies, evaporation systems, and water recycling solutions may also be used. In many cases, multiple technologies are combined to reliably remove pollutants, meet discharge limits, and use resources more efficiently. Eisenmann Environmental Technology develops customized treatment concepts and combines the most suitable processes into an efficient and cost effective solution for each application.

What contaminants can be removed from industrial wastewater?

Industrial wastewater can contain a wide range of contaminants depending on the manufacturing process. These may include heavy metals, oils and grease, suspended solids, salts, nutrients, organic compounds, and process-related chemicals. The contaminants that can be removed depend on the treatment technologies used and the required discharge limits. By combining different treatment processes, both dissolved and suspended pollutants can be selectively reduced or completely removed to meet regulatory and operational requirements.

How is the right wastewater treatment system selected?

Selecting the right wastewater treatment system depends on several factors. These include the composition of the wastewater, the volume to be treated, the required effluent quality, and applicable regulatory requirements. Operational considerations such as available space, energy consumption, and maintenance requirements also play an important role. Because requirements can vary significantly between industries and production processes, each treatment solution must be tailored to the specific application. In many cases, multiple treatment technologies are combined to achieve the required treatment objectives in the most efficient and cost effective way. Eisenmann Environmental Technology analyzes the specific process requirements and develops customized system concepts for industrial wastewater treatment.

Can existing wastewater treatment systems be upgraded or expanded?

Existing wastewater treatment systems can often be upgraded, expanded, or adapted to changing production requirements. Common reasons for modernization include stricter discharge limits, increased production capacity, new process steps, or the need to improve energy and resource efficiency. Depending on the requirements, individual components can be replaced, additional treatment stages can be integrated, or entire sections of the system can be renewed. A targeted upgrade can often improve treatment performance while reducing investment costs compared to building a completely new system. Eisenmann Environmental Technology analyzes existing systems and develops customized retrofit and expansion concepts to adapt treatment performance to current and future requirements.

Which industries require industrial wastewater treatment?

Industrial wastewater treatment is used in any industry where manufacturing processes generate contaminated wastewater. This includes the automotive industry, metal processing, surface treatment and coating operations, the chemical industry, food and beverage production, as well as battery and electronics manufacturing. The composition of wastewater can vary significantly depending on the industry and process involved. As a result, treatment requirements also differ. In some applications, the focus is on removing metals or oils, while others require the reduction of salts, organic compounds, or process-specific contaminants. Effective wastewater treatment takes into account both the characteristics of the wastewater and the specific production requirements and regulatory obligations of the facility.

How can operating and disposal costs of a wastewater treatment system be reduced?

Operating and disposal costs can be reduced through a treatment system that is properly designed for the specific application and by using process technologies efficiently. Key factors include energy consumption, the use of treatment chemicals, and the amount of residual waste and sludge generated. By combining suitable treatment processes, companies can use resources more efficiently, reduce disposal volumes, and in some cases implement partial water reuse. Optimizing existing systems can also improve the overall cost effectiveness of wastewater treatment and reduce long term operating expenses. Eisenmann Environmental Technology helps companies optimize their wastewater treatment systems with a focus on energy efficiency, operating costs, and resource utilization.

What regulations apply to industrial wastewater?

Companies must treat industrial wastewater in accordance with applicable regulations before discharging it to a sewer system, a municipal wastewater treatment plant, or a natural water body. The specific requirements depend on factors such as the industry, the contaminants present in the wastewater, and the intended discharge route. Businesses must comply with defined discharge limits for certain substances and meet the water protection requirements established by the relevant authorities. Because regulatory requirements and permitting conditions can vary depending on the location and application, it is advisable to address compliance requirements at an early stage when planning a wastewater treatment system. A properly designed wastewater treatment solution helps companies consistently meet discharge standards and maintain long term regulatory compliance.

Does Eisenmann Environmental Technology offer customized wastewater treatment solutions?

Yes. Eisenmann Environmental Technology develops customized solutions for industrial wastewater treatment. Each system is tailored to the specific characteristics of the wastewater, the requirements of the production process, and applicable regulatory standards. The company’s services include the design of new treatment plants, the modernization of existing systems, and the integration of suitable treatment technologies to ensure efficient and cost effective wastewater treatment.