50-150 m3
Large storage
tanks
Drinking water
Biological waste water treatment, anaerobic fermenters
Methane and biogas tanks
Fire protection, firefighting tanks
Water storage basins, leachate tanks
Irrigation and agriculture, eco landfills
With every tank order, receive a special gift!
Offer valid until:
31. 01. 2025
Customer Service:
Mon-Fri | 8:00 a.m. – 4:00 p.m.
angolemailcím
Grünwald tanks delivered within
25 working days
1. Order
1 day
2. Contract signing
5 day
3. Production
5 day
4. Assembly, logistics
5 day
5. Delivery
10 day
What type of tank are you looking for?
We’re here to help!
Drinking water reserves: Storage solutions for safe drinking water reserves.
Drinking water: Systems and tanks specifically designed for drinking water.
Water treatment plants – biological basins: Biological basins for water treatment facilities.
Utility water: Tanks and reservoirs for non-drinking utility water.
Anaerobic fermenters: Fermenters for anaerobic processes in waste treatment.
Methane tanks: Specialized tanks for methane storage in energy production.
BIOGAS: Solutions for biogas production and storage.
Leachate tanks: Storage solutions for leachate management in landfills.
Eco landfills: Environmentally friendly landfill solutions.
Firefighting tanks: Storage tanks designed for firefighting water reserves.
Fire protection: Fire protection systems for water storage.
Water storage basins: Basins for storing large quantities of water.
Irrigation and agriculture: Solutions for water storage in irrigation and agriculture.
More information
Drinking Water Reserves
- Use: These tanks store large quantities of potable (drinking) water to ensure a consistent supply for public consumption. They are crucial for municipalities, especially in areas where natural water sources are scarce or water needs to be purified and held for use during peak demand times.
- Applications: Used in urban water supply systems, rural areas, and emergency situations to maintain access to clean water.
Drinking Water
- Use: Tanks specifically for storing water that is immediately ready for human consumption. These tanks must be constructed with materials that prevent contamination and meet strict hygiene standards.
- Applications: Common in residential, commercial, and public utility sectors, these tanks ensure that safe drinking water is available for everyday use.
Water Treatment Plants: Biological Basins
- Use: Biological basins are used in wastewater treatment facilities where microorganisms break down organic matter in water. These basins play a key role in purifying water by using biological processes to remove contaminants.
- Applications: Employed in municipal and industrial wastewater treatment plants to treat sewage and industrial effluents before releasing clean water back into the environment.
Utility Water
- Use: Utility water tanks store water for non-drinking purposes, such as cleaning, cooling, or manufacturing. This type of water does not need to meet the same stringent health standards as drinking water.
- Applications: Common in factories, power plants, and large-scale agricultural facilities where water is needed for processes like machinery cooling or irrigation.
Anaerobic Fermenters
- Use: Anaerobic fermenters are used to break down organic material (such as agricultural waste, sewage sludge, or food waste) in the absence of oxygen. This process generates biogas (mainly methane) and digestate, which can be used as a fertilizer.
- Applications: Found in biogas plants, sewage treatment facilities, and agricultural operations. They are vital for renewable energy production and waste management.
Methane Tanks
- Use: These tanks store methane gas, a key component of biogas, which can be used as a renewable energy source. Methane tanks must be airtight and made from materials that can safely store this highly flammable gas.
- Applications: Used in biogas plants, landfills, and energy facilities to capture and store methane for electricity generation, heating, or as a fuel source.
BIOGAS
Use: Biogas tanks store the gas produced from anaerobic digestion processes. Biogas is a renewable energy source composed of methane and carbon dioxide and can be used to generate electricity or heat.
- Applications: Common in agricultural, industrial, and waste management sectors where organic waste is converted into renewable energy.
Leachate Tanks
- Use: Leachate tanks collect and store the liquid that drains from landfills or other waste management facilities. Leachate often contains harmful chemicals and pollutants that must be treated before disposal.
- Applications: Used in eco-landfills and waste treatment facilities to ensure that hazardous liquids do not contaminate the surrounding environment.
Eco Landfills
- Use: Tanks in eco-landfills are designed to store and manage waste products, as well as leachate and gases produced during waste decomposition. These tanks help reduce the environmental impact of landfills.
- Applications: Used in waste management operations to ensure proper handling and storage of by-products, such as leachate and methane gas, ensuring sustainable landfill management.
Firefighting Tanks
- Use: Firefighting tanks store large amounts of water or foam that can be rapidly deployed during firefighting operations. These tanks are essential in areas where natural water sources are not readily accessible.
- Applications: Used in remote or industrial areas, buildings, and airports to ensure that fire suppression systems have a reliable supply of water.
Fire Protection
- Use: Tanks for fire protection store water or fire retardant materials used in sprinkler systems or emergency fire suppression setups. These tanks are always ready to deliver water in case of fire emergencies.
- Applications: Installed in residential buildings, industrial plants, and public facilities where fire safety standards require a constant water supply for firefighting equipment.
Water Storage Basins
- Use: Water storage basins are large reservoirs or tanks used to store water for various uses, including irrigation, flood control, or industrial processes.
- Applications: Used in agriculture, municipal water management, and industrial operations where large volumes of water need to be held for future use.
Irrigation and Agriculture
- Use: Tanks for irrigation and agriculture store water used to irrigate crops, maintain livestock, or for other agricultural activities. These tanks are crucial for sustaining food production, especially in dry regions.
- Applications: Widely used in farming operations, greenhouses, and rural areas to ensure a reliable water supply for crops and animals, improving farm efficiency and crop yields.
What solution do we offer?
Foil Pond
Firewater Storage Tank
Steel Tank
Durability
Vulnerable to UV exposure and weathering, shorter lifespan
Excellent, UV and corrosion-resistant, long lifespan
Prone to corrosion, requires regular maintenance
Installation
Time-consuming setup,
larger space required
Quick and easy installation with minimal preparation
Complex, heavy installation, requires a special foundation
Maintenance
Frequent liner
replacements needed
Minimal maintenance, cost-effective over the long term
Expensive maintenance due to rust and potential leaks
Safety
Open system, prone
to contamination
Outstanding, closed system, protects water from contamination
Expensive maintenance due to rust and potential leaks
Space Requirements
Larger area needed
Requires less space
Requires less space
Cost
Lower initial costs, but high maintenance needs
Cost-effective, lower
maintenance costs
High initial and
maintenance costs
Environmental Impact
Shorter lifespan, higher material consumption
Sustainable,
recyclable materials
Potential environmental burden due to corrosion
above-ground storage tanks
For the design of above-ground cylindrical storage tanks, several key parameters need to be considered:
- Capacity Requirements: Determine the tank capacity based on the amount of material to be stored, such as water, fuel, or chemicals. Common capacities range from several hundred liters to thousands of cubic meters.
- Diameter and Height: The dimensions of the cylindrical tank are defined by selecting an optimal diameter and height ratio. Finding the balance is essential for stability and material efficiency. For example, a 10 m³ tank might have a diameter of 1.5-2 meters, complemented by a suitable height.
- Material Selection: The tanks are manufactured from high-quality eco-composite material, known for its superior strength and durability. Insulation can be added upon request, and an additional steel shell is available to provide enhanced weather resistance. This steel shell can be color-matched to the client’s brand colors for a cohesive look.
- Foundation and Securing: Proper foundation is crucial, especially for larger tanks. Securing elements or weighting might be required to ensure stability against wind and other environmental factors.
- Safety Features: Pressure relief valves, ventilation openings, overflow protection, and insulation (where necessary) protect the contents from temperature fluctuations and ensure safe usage.
- Design Standards and Regulations: Design follows applicable standards, such as ASME, API, or European EN standards, ensuring the tank operates safely and effectively.
- Maintenance Considerations: For ease of maintenance, above-ground tanks should include access points, such as manways and inspection ports, to allow for cleaning and regular checks.
| m3 | Diameter | Height | Transport [Day] |
| 15 | 3 | 2,12 | 10 |
| 20 | 3 | 2,83 | 10 |
| 25 | 3 | 3,54 | 10 |
| 30 | 3 | 4,25 | 20 |
| 35 | 3,2 | 4,35 | 20 |
| 40 | 3,2 | 4,98 | 20 |
| 45 | 3,2 | 5,60 | 20 |
| 50 | 3,2 | 6,22 | 10 |
| 55 | 3,8 | 4,85 | 20 |
| 60 | 3,8 | 5,29 | 20 |
| 65 | 3,8 | 5,73 | 20 |
| 70 | 3,8 | 6,18 | 20 |
| 75 | 3,8 | 6,62 | 20 |
| 80 | 3,8 | 7,06 | 20 |
| 85 | 3,8 | 7,50 | 20 |
| 90 | 3,8 | 7,94 | 20 |
| 95 | 3,8 | 8,38 | 20 |
| 100 | 3,8 | 8,82 | 20 |
underground storage tanks
For the design of underground storage tanks, several key parameters need to be considered:
1. Capacity Requirements: Choose tank capacity based on the material type and volume, such as water, fuel, or chemicals. Tanks range from hundreds of liters to thousands of cubic meters.
2. Material Selection: Made from durable, eco-friendly composite, these tanks are food-safe, acid- and alkali-resistant, and suited for varied industrial needs.
3. Structural Strength: Reinforced with rings to handle earth pressure and soil cover up to 100 cm, ensuring long-term structural integrity.
4. Corrosion Protection: Naturally corrosion-resistant, the eco-composite protects against soil moisture and chemicals without extra coatings.
5. Leak Detection: Many tanks feature leak detection systems for early warning, essential for environmental compliance.
6. Ventilation and Fittings: Equipped with ventilation and pressure relief to prevent gas buildup, tanks also offer various nozzle connections and optional containment areas.
7. Installation and Anchoring: Tanks can be anchored in high groundwater areas, with straps needed only for buoyancy, while the tank resists groundwater pressure independently.
8. Standards Compliance: Tanks meet industry standards (API, ASME, EN) for safety and environmental requirements.
9. Maintenance Access: Include inspection points for periodic checks and cleaning, supporting tank performance and safety over time.
| m3 | Diameter | Height | Transport [Day] |
| 30 | 3 | 4,25 | 10 |
| 35 | 3 | 4,95 | 20 |
| 40 | 3 | 5,66 | 20 |
| 45 | 3 | 6,37 | 20 |
| 50 | 3 | 7,08 | 10 |
| 55 | 3 | 7,78 | 20 |
| 60 | 3 | 8,49 | 10 |
| 65 | 3,2 | 8,09 | 20 |
| 75 | 3,2 | 9,33 | 20 |
| 80 | 3,2 | 9,95 | 20 |
| 85 | 3,2 | 10,57 | 20 |
| 90 | 3,2 | 11,20 | 20 |
| 95 | 3,2 | 11,82 | 20 |
| 100 | 3,2 | 12,44 | 20 |
Grünwald
Eco-composit:
The Future of Tank Technology
ESG Implementation – Directly from the Manufacturer
Eco-Composit is not just an ordinary high-density polyethylene formula; it is a pinnacle of modern industrial and environmental protection technology. Eco-Composit tanks were developed to meet the challenges of the industrial and environmental sectors, where durability, flexibility, and sustainability are essential. This formula combines innovative materials and technological solutions that ensure the product’s excellence and market-leading position in the long term.
- Impact resistance: High – resistant to low temperatures
- Mechanical strength: Medium – high flexibility and elongation
- Wear resistance: High – wear-resistant, long lifespan
- Flexibility: High
- Fatigue resistance: Medium – suitable for long-term use
- Thermal conductivity: Low – good thermal insulation properties
Why is Evo-Composit the future?
Eco-Composit is a pioneering technology that incorporates the most advanced materials and technical solutions. It not only enhances the durability of the tanks but also optimizes their environmental impact. Through the use of recycled materials, UV resistance, and chemical resistance, Eco-Composit tanks meet the expectations of both the present and the future.
Choose Eco-Composit tanks and step into the world of sustainable, innovative storage solutions!
Water absorption
Very low – Virtually does not absorb water
Liquid permeability
Very low – Does not let liquids through
Chemical resistance
Excellent – Particularly resistant to acids and alkalines
Corrosion resistance
Excellent – Does not corrode
Weldability
Excellent – Easily weldable
Recyclability
Excellent
For more information, get in touch with us!
Grünwald ESG
Environmental, Social and Governance
Eco-Composit has become the material of choice across industries not just because of its superior performance but because of its long-term sustainability. Companies adopting Eco-Composit are aligning themselves with ESG principles, enhancing their environmental performance, and contributing to a circular economy. This material is future-proof, ensuring that businesses are not only prepared for today’s challenges but for the challenges of tomorrow.
The engineers who developed Eco-Composit have created more than a material; they’ve created a movement. Eco-Composit reflects the best of European and American engineering, innovation, and sustainability. It represents 15 years of hard work, dedication, and experience, culminating in a formula that is shaping the future of tank manufacturing and environmental responsibility.
Continue to the full story
The Evolution of a Future-Ready, Circular Economy Solution: The Story of Eco-Composit
It all started more than 20 years ago when a group of forward-thinking students and engineers from several European countries traveled to the United States. These engineers and students, hailing from Germany, Hungary, Romania, Italy, and the UK, embarked on an academic and professional journey to one of the world’s most innovation-driven nations. The purpose was clear: to learn, absorb, and bring back the cutting-edge knowledge and revolutionary thinking that would pave the way for future industrial advancements back home.
The United States, with its unparalleled focus on innovation and sustainability, became a fertile ground for these students and engineers to study the integration of technology, industry, and environmental awareness. Over the years, they witnessed remarkable innovations that emphasized the importance of sustainability, circular economy principles, and high-performance materials in the face of increasingly complex industrial challenges.
When these engineers returned to Europe, they carried with them not just technical knowledge, but a new way of thinking. They understood that the future of industrial manufacturing wasn’t just about creating stronger products; it was about creating smarter, more sustainable solutions. This idea planted the seed for what would become a 15-year journey of relentless product development, one filled with trials, prototypes, and learning.
The Path to Eco-Composit
For 15 years, these engineers honed their craft across multiple industries. They gathered expertise from designing and producing thousands of tanks, gaining hands-on experience across Europe’s most challenging environments. This journey led to the formation of an idea: a material that would be the cornerstone of the future – a formula that would combine exceptional performance with the highest sustainability standards.
This tireless research, development, and real-world application experience eventually led to the creation of Eco-Composit, a groundbreaking high-density polyethylene formula designed to withstand the most demanding industrial environments. Eco-Composit isn’t just another material; it’s the future of tank manufacturing and sustainability.
What Makes Eco-Composit Revolutionary?
The Evo-Composit formula is a food-grade certified material that meets the stringent safety requirements for industries like food and beverage. But beyond that, its properties are nothing short of extraordinary:
- Resistance to Acids and Alkalines: Eco-Composit tanks are impervious to the most aggressive chemicals, making them ideal for environments where strong acids, alkalis, or hazardous waste are present.
- Total Wastewater and Contaminant Resistance: Eco-Composit is engineered to handle all types of wastewater, including the dirtiest and most corrosive substances. Whether it’s industrial sludge, agricultural run-off, or hazardous chemical waste, Eco-Composit can endure it all.
- Unmatched Durability Against Harsh Liquids: From the roughest industrial chemicals to the most unpredictable environmental fluids, Eco-Composit is built to last. It maintains its structural integrity even in the most challenging conditions, ensuring long-term reliability and safety.
The Future of Tank Manufacturing in Industrial Sectors
Eco-Composit isn’t just a material—it’s the future of tank manufacturing across multiple industries. Its versatility, durability, and resistance to extreme conditions make it an essential component in a variety of industrial applications:
- Chemical Industry: In facilities dealing with aggressive acids, alkalis, solvents, and other hazardous chemicals, Eco-Composit tanks ensure safe storage and longevity.
- Food and Beverage: Certified for food-grade safety, Eco-Composit tanks are ideal for storing ingredients, liquids, and waste products, providing peace of mind with their hygienic, non-reactive properties.
- Pharmaceutical Industry: For storage and transport of sensitive chemicals, clean water, or pharmaceutical waste, Eco-Composit offers unparalleled reliability in maintaining the purity and integrity of substances.
- Agriculture: Eco-Composit tanks are used for storing fertilizers, pesticides, irrigation water, and even biogas, where durability and resistance to chemicals are key.
- Mining: In environments filled with abrasive materials, chemicals, and heavy usage, Eco-Composit tanks withstand wear and tear while ensuring maximum safety and efficiency.
The Key to Environmental Sustainability
What sets Eco-Composit apart from other materials is its full alignment with the principles of the circular economy. The engineers behind Eco-Composit didn’t just set out to create a durable material; they wanted to ensure it aligned with the highest sustainability standards, enabling businesses to boost their ESG ratings (Environmental, Social, Governance).
Eco-Composit supports a circular economy in the following ways:
- Recyclability: At the end of its long life cycle, Eco-Composit tanks can be fully recycled, reintroduced into production, and turned into new tanks, thus minimizing waste and reducing the reliance on virgin materials.
- Reduced Carbon Footprint: Eco-Composit’s lightweight nature reduces transportation costs and emissions, helping industries reduce their environmental impact. Its durability means fewer replacements are needed, reducing the overall carbon footprint.
- Water Management Solutions: In industries ranging from wastewater treatment to environmental remediation, Eco-Composit helps manage water resources more efficiently. It is a key material for storing, treating, and recycling water, ensuring sustainable water management practices.
Applications in Environmental Technology
Eco-Composit is revolutionizing the field of environmental technology with its unparalleled resilience and versatility. Its role extends across multiple environmental sectors:
- Wastewater Treatment: Eco-Composit tanks are integral to wastewater treatment plants, where they store and treat water contaminated with chemicals, sewage, or industrial waste. Their resistance to harsh chemicals ensures a longer lifespan and reduced need for replacements.
- Biogas Production: Eco-Composit is the material of choice for anaerobic digesters and biogas storage tanks, where corrosive gases and biological waste are processed and stored. Its non-reactive surface ensures efficient biogas production with minimal risk of contamination.
- Leachate Storage: In eco-landfills and waste treatment facilities, Eco-Composit tanks are critical for collecting and storing leachate, the liquid that percolates through waste, which often contains harmful chemicals. Eco-Composit prevents leaks and ensures environmental safety.
- Firefighting Water Storage: Eco-Composit tanks are also essential for storing firefighting water in areas prone to wildfires, where reliable and immediate water supply is critical for containing and extinguishing fires.
A Formula That Transforms Industries
Eco-Composit has become the material of choice across industries not just because of its superior performance but because of its long-term sustainability. Companies adopting Eco-Composit are aligning themselves with ESG principles, enhancing their environmental performance, and contributing to a circular economy. This material is future-proof, ensuring that businesses are not only prepared for today’s challenges but for the challenges of tomorrow.
The engineers who developed Eco-Composit have created more than a material; they’ve created a movement. Eco-Composit reflects the best of European and American engineering, innovation, and sustainability. It represents 15 years of hard work, dedication, and experience, culminating in a formula that is shaping the future of tank manufacturing and environmental responsibility.
Grünwald and the Path to
a Circular Economy
1. Product design and manufacturing
Sustainable product design is part of the circular economy, resulting in more durable, repairable and recycable products, reducing the demand for new raw materials.
2. The role of consumers
Consumers can help to create a green economy by choosing sustainable products.
3. Improving waste management
Improving waste collection and recycling is important to recover valuable materials and reduce environmental impacts.
4. Supporting the market for secondary raw materials
Expanding the market for recycled materials reduces the need to extract natural resources.
5. Sector-specific measures
The EU is introducing targeted measures to promote sustainability in industries such as plastics, construction, textiles and electronics.
