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Environmental Protection
in the Production Process

As a family business, we always focus our efforts on the future. It is important to us to combine economic success with social responsibility, employee orientation, long-term customer relationships and environmentally friendly production. Through state-of-the-art production facilities as well as the use of renewable energies, we achieve the highest level of environmental protection throughout the entire production chain and thus produce innovative and environmentally friendly packaging for our customers. The success of these measures speaks for itself: around 47,000 tonnes of carbon emissions have been saved every year since the year 2000 by the entire Klingele Group. This equates to a reduction in our carbon footprint of 39.6 percent per tonne of paper, while our production output has increased by 78 %.

With innovative products and processes, we are continuously developing our company and providing proof of how an environmentally friendly circular economy can function. This begins with the purchase of environmentally-friendly materials and ends with efficient logistics, avoiding empty runs and ensuring optimum use of freight capacity.

Paper production

We manufacture corrugated base paper for different fields of use at our site in Weener (East Frisia) and in our BluePaper paper mill (Strasbourg). The related processes are all geared towards optimum conservation of natural resources and maximum energy efficiency:

  • We process 700,000 tonnes of waste paper per year in Weener and Strasbourg
  • Use of 100 percent waste paper as a primary resource
  • Paper mills supplied with waste paper through long-term local contracts
  • Our plants are have been awarded the FSC® Recycling Seal.
  • Our paper mills are certified to ISO 50001 (energy management), ISO 14001 (environment management) and ISO 9001 (quality management)
  • Ultra-modern plant for biological treatment of wastewater
  • Production of biogas from wastewater treatment which is then converted into electricity and heat for the mill
  • Renewable energy sources and use of non-recyclable production waste as fuel form the central pillars of our energy concept
  • Our paper mill in Weener is heated by a highly efficient RDF power plant Weener Energie
  • Recycling of waste from production, reintroduction into the production cycle
  • Efficient logistics: corrugated base paper delivered to our southern plants from our BluePaper mill - waste paper returned to BluePaper
  • Nova Campina produces virgin fiber papers from eucalyptus and pinewood, mainly from FSC®-certified plantations near the paper mill. 

  • Waste paper material

    We use 100 % waste paper in our corrugated base paper, which we clean in a complex procedure before processing. Our paper mills are also certified with the FSC® Recycling Seal. This is our guarantee that the raw materials used are secondary raw materials - with a traceable origin.

    We use only starch to increase strength. No synthetic dry strengtheners are used, which have to be added to the paper in large volumes to meet the strength specifications. This protects the environment, the petroleum resources and increases the recyclability of the waste paper that emerges from the packaging and folding boxes. The water cycles, and therefore also the sewage treatment plants of the paper mills, are not unnecessarily polluted by synthetic polymers! 

  • Water treatment

    Water is a vital resource for papermaking. Our state-of-the-art treatment plant purifies wastewater biologically in a two-stage process. Bacteria known as anaerobic digesters convert organic matter in the water into biogas. A combined heat and power plant then burns the gas, producing electricity and heat that are used in the paper mill, completing the energy cycle.
    Furthermore, there is a recycling of cooling water for further use to reduce the fresh water demand, as well as a heat exchange in Weener, for example with the local open-air swimming pool. 

  • Energy supply

    • After investing more than 100 million euros over the last 10 years, we produce more than 85% of our heating needs and more than 55% of our electricity needs from renewable sources or waste recycling.
    • Our power plant in Weener recycles substitute fuels to generate energy for our Weener paper mill (heat for drying the paper) - thus covering over 90 % of our local energy needs. Amount of fuel disposed of: 180,000 t/a.
    • For our paper mills in Weener and Strasbourg, we need around 900,000 tonnes of steam every year. We generate 62 % of this by burning biomass and waste that can no longer be recycled. At the BluePaper site (Blue Circle), more than 40 % of the steam needed for production comes from biomass.
    • We generate additional renewable energy with a 185-metre-high wind turbine in Weener. Klingele has an output of 3 MW and saves around 3,500 t of CO2
    • The hydroelectric power plant in Ribeira (BRA) supplies the paper mill in Nova Campina with sustainable electricity from hydropower. The power plant covers 32% of the local energy demand. 
    • We also operate two biomass boilers at the Nova Campina paper mill (BRA). A large biomass boiler with a volume of 120 t of steam will soon be used here.
    • In our corrugated board plants in Germany, we operate four photovoltaic systems with an output of 3,801 kWp (kilowatt peak: denotes the maximum output in kilowatts (kW)). This allows us to save 13 % more electricity from external sources compared to the year 2000. 

    Use of renewable energy sources and non-recyclable production waste form the central pillars of the energy concept in place in our production sites. The best example is our paper mill in Weener which is supplied with heat and electricity by its own power plant which runs on refuse-derived fuel (RDF).

    • Electricity: A total of 52% of the electricity required for the production of corrugated base paper and packaging in our paper mills and four box plants is generated from the incineration of non-recyclable waste (RDF), combined heat and power (CHP) and biogas. A large part of our power requirement is now covered by our own energy sources. At 59%, most of this comes from the RDF power station in East Frisia, which supplies electricity to our nearby paper mill. Our BluePaper paper mill in Strasbourg is powered by over 28% biomass and biogas.
    • Steam: Approximately 958,190 tonnes of steam are required annually by our paper mills in Weener and Strasbourg. 70% of this is generated by incinerating biomass and non-recyclable waste. At the BluePaper mill, more than 53% of the steam required for production comes from biomass.




  • Recycling

    Our paper mills are genuine recycling plants: waste paper makes up 100% of the primary resource and raw material for production. Production itself is also organised according to the principles of closed loop recycling management: waste material generated at paper machines is recycled and reintroduced into the production process.

  • Logistics

    Our logistics system guarantees short distances and optimum freight capacity. This applies to the planning of transport routes between our own production sites and to supplier management. Our paper mill in Weener, for example, is primarily supplied with waste paper from two local districts, and long-term delivery contracts guarantee sustainability. Regional proximity to our suppliers shortens transport routes and reduces road traffic.

    We supply corrugated base paper to our southern plants from our BluePaper paper mill - and use the return freight to transport waste paper from these plants to BluePaper. This completes the cycle again - and is another reduction in our carbon footprint.

  • Management systems

    Our paper mills are certified to ISO 14001 (environment management), ISO 50001 (energy management) and ISO 9001 (quality management).

Energy supply - Weener paper mill

Paper production consumes a lot of energy, so we established our own refuse-derived fuel (RDF) power plant, Weener Energie, at the Weener site. Since mid 2008, Weener Energie has supplied all the thermal energy required for paper drying. Refuse-derived fuel is mainly procured locally - reducing transport costs and carbon emissions. Weener Energie is also fuelled with waste material from our paper mill.

Our paper mill is also supplied with additional energy from renewable sources around the plant. This includes our own company wind turbine which supplies an output of 3 MW after repowering in 2015 and thus saves around 3,500t of CO2. The electricity generated is fed into the public grid. Thanks to this energy concept, we not only protect the environment and our budget but also secure our long-term independence from international energy markets.

Packaging production

Systems and processes in our four box plants are geared towards maximum energy and resource efficiency. Our presence in four different regions of Germany not only guarantees customer proximity but also ensures efficient logistics and saves carbon emissions. Internationally-recognised certificates confirm our high standards of energy and environment management.

Our consistent sustainability strategy:

  • State-of-the art machinery - intelligent and environmentally-friendly production processes
  • Corrugated board packaging returned to the production cycle after use and recycled into new packaging
  • Use of corrugated base paper manufactured from recycled material, such as waste paper (90 percent), or from sustainably-managed forests or controlled sources
  • Transparent supply chain and FSC® certification for our paper mills and box plants (see overview of certified paper mills and corrugated board plants).
  • Use of starch-based adhesives and solvent-free, water-based flexoprinting inks
  • Careful use of fresh water
    Use of state-of-the-art equipment for the biological treatment of flexographic printing wastewater so that it can be reused for corrugated board production. 
  • ISO 14001 environment management certification and ISO 50001 energy management certification
  • Transparency of energy consumption data via INRAY energy monitoring system Efficient logistics: optimum use of HGV capacity through improved freight volumes and intelligent tour planning
Wellpappenwelle herstellen
  • Technology and machines

    We focus on the best possible use of resources when designing or expanding our production installations. Cutting edge machinery reduces our consumption of water, dye and energy, and improves noise protection in our plants.

    Compressed air systems in all our factories play a key role in reducing energy consumption. These have been continually improved over past years to achieve greater carbon emission savings - for example, the carbon footprint of our Hilpoltstein plant has dropped by 77 tonnes a year! In winter, we heat our production halls and warehouses with the warm air recovered from compressed air generation.

  • Production methods

    Sustainable packaging development: When developing our packaging, we focus on customer benefits and the protection of our environment. We continuously optimise our packaging concepts in terms of material use and resource conservation. Through an adapted corrugated profile, lightweight papers or design changes, we reduce the amount of material used and can therefore achieve significant savings. The goal is always an optimal mix of high product protection, resource conservation and cost efficiency. With optimised single-material solutions such as ECOGRIP, FastFix, etc., we save on external materials and freight volumes.  

    Our production processes aim to achieve maximum energy and resource efficiency. One example is the disposal of production waste: central refuse conveyors in production halls replace individual extractor systems - this supports systematic waste disposal and saves energy. A number of our innovations clearly exceed industry standards: our box plant in Delmenhorst, for example, was awarded the Environmental Award of the City of Bremen for its wastewater treatment plant. The plant extracts fresh water from wastewater contaminated by ink after the production of printed packaging - without the use of harmful chemicals - creating a closed cycle.
    By using our own paint mixing facilities, both the recycling of residual paint and the recycling of the paints have been optimised and the use of disposable tin cans has been avoided. 

  • Management systems

    Our plants are certified to ISO 14001 and ISO 50001 (energy management). Environment and energy officers in each plant ensure the continuous monitoring of relevant processes and further development of these issues. Analysis of consumption data is an essential element of our energy management system: installation of an energy monitoring system enables instant access to the most important process and energy data of the production installation at any time - guaranteeing transparency and a solid foundation for the optimisation of our energy efficiency.

  • Materials

    Our packaging product is already sustainable by definition; 90 percent of our production is manufactured from corrugated base paper made of recycled waste paper. The remaining ten percent comes from sustainably-managed forests and other controlled sources. Corrugated board can also be 100 percent recycled: after use of packaging, the board is collected via the RESY recycling system and delivered to paper mills for re-use. We also ensure that our additives are “clean” substances: for example, we use starch-based adhesives, and solvent-free, water-based flexoprinting inks - in the interests of the environment and the consumer!
    We recycle and prepare die-cutting residues and corrugated board waste from production and return them to the production cycle. 

  • Recycling

    Corrugated board is a genuine recycling product: 90 percent of it is made from recycled material such as used corrugated board, waste paper and cardboard packaging. It remains a valuable raw material after use: almost 100 percent of used corrugated board packaging is recycled with waste paper and made into new packaging (again).

    It should be added that corrugated board packaging is single-material packaging, making it easier to recycle. This is a major advantage for sectors in which packaging is a critical factor for success and is in high demand, e.g. e-commerce.

  • Transparent supply chain

    We use 90 per cent recycled paper for our corrugated board packaging. The remaining ten per cent comes from sustainable forestry or controlled sources. Transparency about our supply chain is very important to us; that is why both our paper mills and our corrugated board plants have been certified according to the internationally established FSC® standard for years. 

  • Structural measures

    • Various sound and noise protection measures on buildings for noise reduction as well as reduction of dust emissions
    • Groundwater-powered ceiling cooling 
    • Expansion of central waste channels and waste technology 
    • Heat recovery: Systems through which heat energy is recovered from exhaust air, also heat recovery through steam boiler systems.  
    • Energetic use of methane produced by ACS reactor and introduction of the biobed process  
    • Renewal of the lighting systems to save energy