Chemical Storage Tank
A Chemical Storage Tank is an specially designed container used for the safe storage, handling, and containment of chemicals, liquids, and hazardous substances in industrial, commercial, and municipal applications. These tanks are engineered to withstand the chemical and environmental conditions are associated with the stored media while preventing the leaks, contamination, and corrosion.
Chemical storage tanks are manufactured from materials that are compatible with the stored chemical, such as PPH, HDPE, PP, PVDF, FRP, Stainless Steel, and dual-laminate thermoplastic constructions. Petron Thermoplast, we combine advanced material technology with precision manufacturing to deliver chemical tanks that ensure the maximum safety, durability, and reliability. Every tank is engineered to match your specific media, temperature, and operating pressure requirements.
Excellent Chemical Resistance
Resistant to Acids, Alkalis, Corrosive, Industrial solvents
Temperature Resistance
Typically 0°C to 100°C (depending on material and application)
Corrosion-Free Construction
No rusting when exposed to chemicals & moisture.
Long Service Life
Excellent durability and can operate for many years
ASTM, ASME, DIN, ISO, DVS
Manufactured to international quality standards
0°C to +100°C
Operating Temperature
100 L – 500K L
Capacity (Customizable)
ASTM, ASME, DIN, ISO
Certified quality standards
Up to 2.0 SG
Specific Gravity Design
Excellent Chemical Resistance
Chemical storage tanks are engineered with robust construction techniques and secure joints to provide reliable, leak-free operation and safe chemical containment.
Temperature Resistance
Depending on the selected material, chemical storage tanks can safely operate across a wide temperature range.
UV and Weather Resistance
For outdoor installations, tanks can be designed with UV-resistant materials or protective coatings to withstand environmental exposure.
Leak-Proof Welded Joints
Chemical storage tanks are engineered with robust construction techniques and secure joints to provide reliable, leak-free operation and safe chemical containment.
Technical Details
| Parameter | Technical Details |
| Product Type | Chemical Storage Tank |
| Tank Configuration | Vertical, Horizontal, Cylindrical, Rectangular, Custom Design |
| Construction Material | PPH, PP, HDPE, PVDF, FRP, FRP-Lined Thermoplastic, SS 304, SS 316/316L |
| Storage Capacity | 100 Liters to 500,000 Liters or Customized |
| Tank Diameter | As per design and capacity requirements |
| Tank Height | Customized according to storage volume and site conditions |
| Operating Temperature | Typically 0°C to 100°C (depending on material and application) |
| Design Temperature | As specified by process requirements |
| Operating Pressure | Atmospheric or Low Pressure |
| Design Pressure | Based on application and tank design standards |
| Specific Gravity Design | Up to 2.0 SG or higher as required |
| Corrosion Resistance | Excellent for compatible chemicals |
| Chemical Compatibility | Acids, Alkalis, Salts, Oxidizers, Process Chemicals |
| Tank Shape | Cylindrical, Rectangular, Square, Custom Geometry |
| Tank Orientation | Vertical or Horizontal |
| Wall Thickness | Determined by capacity, chemical type, and design requirements |
| Top Design | Open Top, Flat Top, Dome Top, Conical Top |
| Bottom Design | Flat Bottom, Sloped Bottom, Conical Bottom, Dish Bottom |
| Inlet Connections | Flanged, Threaded, Socket Weld, Customized |
| Outlet Connections | Flanged, Threaded, Socket Weld, Customized |
| Vent Connection | Provided as per process requirements |
| Overflow Connection | Optional |
| Drain Connection | Bottom or Side Drain Arrangement |
| Level Measurement | Level Gauge, Float Type, Ultrasonic Sensor, Radar Level Sensor |
| Agitator Provision | Optional |
| Manhole Size | Customized as per tank size |
| Inspection Access | Manholes and Inspection Ports |
| External Reinforcement | FRP Reinforcement, Steel Supports, Structural Stiffeners |
| UV Protection | Available for outdoor installations |
| Leak-Proof Construction | Yes |
| Service Life | Long-term performance under recommended conditions |
| Testing Standards | Hydrostatic Test, Leak Test, Visual Inspection, Dimensional Inspection |
| Manufacturing Standards | ASTM, ASME, DIN, ISO, DVS, Customer Specifications |
Chemical compatibility is one of the most important factors when the selecting a Chemical Storage Tank. The tank material must be able to safely for withstand the chemical being to stored without experiencing corrosion, degradation, swelling, cracking, and loss of mechanical strength. Proper material of selection are ensure to safety, reliability, and a long service life.
Why Chemical Compatibility is Important
Proper chemical compatibility helps to:
- Prevent tank failure
- Avoid chemical leaks and spills
- Maintain product purity
- Extend equipment life
- Reduce maintenance costs
- Ensure operational safety
- Comply with environmental regulations
Common Tank Materials and Their Chemical Compatibility
1. PPH (Polypropylene Homopolymer)
PPH is widely used for chemical storage because of its excellent resistance to many corrosive chemicals.
Compatible with:
- Sulfuric Acid
- Hydrochloric Acid
- Phosphoric Acid
- Sodium Hydroxide
- Potassium Hydroxide
- Ferric Chloride
- Alum Solutions
- Salt Solutions
Advantages:
- Excellent corrosion resistance
- Lightweight construction
- Long service life
- Suitable for water treatment chemicals
2. HDPE (High-Density Polyethylene)
HDPE is commonly used for bulk chemical storage and water treatment applications.
Compatible with:
- Sodium Hypochlorite
- Caustic Soda
- Hydrochloric Acid (certain concentrations)
- Alum Solutions
- Water-Based Chemicals
Advantages:
- Good impact resistance
- Excellent corrosion resistance
- Cost-effective solution
3. PVDF (Polyvinylidene Fluoride)
PVDF is selected for highly aggressive and high-purity chemical applications.
Compatible with:
- Strong Acids
- Strong Alkalis
- Oxidizing Chemicals
- Chlorine-Based Chemicals
- High-Purity Chemicals
Advantages:
- Outstanding chemical resistance
- High temperature capability
- Excellent mechanical strength
4. FRP (Fiberglass Reinforced Plastic)
FRP tanks are widely used when combined with suitable corrosion-resistant liners.
Compatible with:
- Sulfuric Acid
- Hydrochloric Acid
- Phosphoric Acid
- Industrial Chemicals
- Process Liquids
Advantages:
- High structural strength
- Large-capacity storage capability
- Good corrosion resistance with proper lining
5. Dual Laminate Tanks (PPH/FRP, PVDF/FRP)
Dual laminate tanks combine the chemical resistance of thermoplastics with the structural strength of FRP.
Suitable for:
- Highly Corrosive Chemicals
- Strong Acids
- Oxidizing Agents
- High-Temperature Chemical Storage
Advantages:
- Excellent chemical resistance
- High structural integrity
- Long service life
6. Stainless Steel 316/316L
Stainless steel is suitable for selected chemicals and process fluids.
Compatible with:
- Process Water
- Food-Grade Chemicals
- Certain Organic Chemicals
- Some Mild Acids
Limitations:
- Not suitable for many concentrated acids
- Chlorides may cause pitting corrosion
Chemical Compatibility by Chemical Type
Acid Storage
Recommended Materials:
- PPH
- PVDF
- FRP with suitable liner
- Dual Laminate Construction
Common Acids:
- Sulfuric Acid
- Hydrochloric Acid
- Phosphoric Acid
- Nitric Acid (material-specific evaluation required)
Alkali Storage
Recommended Materials:
- PPH
- HDPE
- PVDF
Common Alkalis:
- Sodium Hydroxide
- Potassium Hydroxide
- Sodium Carbonate
Oxidizing Chemical Storage
Recommended Materials:
- PVDF
- Specialized FRP Systems
- Dual Laminate Tanks
Examples:
- Sodium Hypochlorite
- Hydrogen Peroxide
- Chlorine-Based Solutions
Recommended Materials:
- PPH
- HDPE
- FRP
- PVDF
Examples:
- Ferric Chloride
- Alum
- Sodium Hypochlorite
- Caustic Soda
Testing and quality assurance are critical to ensuring that a Chemical Storage Tank operates safely, reliably, and efficiently throughout its service life. Comprehensive inspections and testing procedures are carried out during and after manufacturing to verify structural integrity, chemical resistance, dimensional accuracy, and leak-free performance.
1. Raw Material Inspection
Quality control begins with the inspection of incoming raw materials to verify:
- Material grade and specification
- Thickness and dimensions
- Surface quality
- Chemical compatibility requirements
- Material Test Certificates (MTCs)
- Traceability records
Only approved materials are released for fabrication.
2. Visual Inspection
Visual inspections are conducted throughout the manufacturing process to identify:
- Surface defects
- Cracks or damage
- Fabrication irregularities
- Welding defects
- Material contamination
- Improper workmanship
This ensures compliance with quality standards and design requirements.
3. Dimensional Inspection
The tank is measured against approved engineering drawings to verify:
- Tank diameter
- Tank height
- Wall thickness
- Nozzle locations
- Manhole dimensions
- Overall geometry
- Fabrication tolerances
Accurate dimensions are essential for proper installation and operation.
4. Weld and Joint Inspection
All welded or bonded joints are inspected to verify:
- Weld quality
- Proper fusion and penetration
- Joint strength
- Uniform weld appearance
- Absence of cracks, voids, porosity, or inclusions
Special attention is given to critical structural and leak-retaining joints.
5. Hydrostatic Testing
Hydrostatic testing is one of the most important quality tests performed on chemical storage tanks.
The test verifies:
- Structural integrity
- Leak-tightness
- Tank strength
- Weld performance
- Design compliance
The tank is filled with water and maintained under specified test conditions to detect any leakage or deformation.
6. Leak Testing
Leak testing ensures:
- No leakage from joints or welds
- Proper sealing of nozzles and connections
- Safe containment of chemicals
This test is critical for environmental protection and operational safety.
7. Material Verification
Material verification confirms that the tank has been fabricated using the specified materials.
Verification may include:
- Material certificate review
- Batch traceability checks
- Thickness verification
- Material identification testing
8. Thickness Inspection
Wall thickness measurements are taken to verify compliance with design specifications.
This ensures:
- Adequate structural strength
- Proper corrosion allowance (where applicable)
- Long-term durability
Industries We Serve
Chemical storage tanks are an essential in industries that handle, store, process, or distribute the chemicals and liquids. They provide to safe containment, protect the environment, maintain chemical quality, and to ensure the uninterrupted industrial operations. Depending on the chemical being stored, tanks are manufactured from materials such as PPH, HDPE, PP, PVDF, FRP, stainless steel, and dual-laminate constructions.
Water Treatment Plants
Chemical storage tanks are widely used for storing:
Sodium Hypochlorite
Alum Solution
Ferric Chloride
Caustic Soda
Hydrochloric Acid
Polyelectrolytes
These chemicals are used for disinfection, coagulation, pH correction, and water purification processes.
Wastewater Treatment Facilities
In wastewater treatment systems, chemical storage tanks are used for:
Neutralization chemicals
pH adjustment solutions
Disinfection chemicals
Coagulants and flocculants
Sludge treatment chemicals
They ensure safe storage and controlled chemical dosing operations.
Chemical Manufacturing Industry
Chemical processing plants use storage tanks for:
Raw material storage
Intermediate chemical storage
Finished product storage
Process chemical handling
Batch production operations
These tanks play a critical role in maintaining continuous production.
Pharmaceutical Industry
Chemical storage tanks are used for:
Process chemicals
Purified water storage
Cleaning and sanitization chemicals
Solvent storage
Utility fluid storage
Specialized tanks help maintain product purity and process reliability.
Electroplating Industry
Chemical storage tanks are used to store:
Pickling acids
Surface treatment chemicals
Electroplating solutions
Rinse water treatment chemicals
Their corrosion resistance ensures long service life.
Mining and Mineral Processing
Mining operations utilize storage tanks for:
Leaching chemicals
Process reagents
Water treatment chemicals
Slurry conditioning agents
pH control chemicals
These tanks support efficient mineral extraction and processing.
Power Generation Plants
Chemical storage tanks are used for:
Boiler treatment chemicals
Cooling water treatment chemicals
Demineralization chemicals
Acid and alkali storage
They support water quality management and plant efficiency.
Oil and Gas Industry
In oil and gas facilities, storage tanks are used for:
Process chemicals
Corrosion inhibitors
Water treatment chemicals
Production additives
Cleaning solutions
These tanks contribute to safe and efficient operations.
Semiconductor and Electronics Industry
Applications include storage of:
High-purity chemicals:
Etching solutions:
Cleaning chemicals:
Process fluids:
Specialized tanks help maintain strict contamination control standards.
Features of Chemical Storage Tanks
Chemical storage tanks are designed to provide the safe, reliable, and long-term storage of chemicals, corrosive liquids, and industrial process fluids. Their construction, material selection, and engineering are design to ensure the protection against chemical attack, environmental hazards, and operational risks.
Excellent Chemical Resistance
Chemical storage tanks are manufactured from materials such as PPH, HDPE, PVDF, FRP, or dual-laminate constructions that offer excellent resistance to acids, alkalis, salts, and other corrosive chemicals.
Corrosion-Free Construction
Unlike conventional metal tanks, thermoplastic and FRP tanks are highly resistant to corrosion, rust, and chemical degradation, ensuring long-term performance.
Leak-Proof Design
Chemical storage tanks are engineered with robust construction techniques and secure joints to provide reliable, leak-free operation and safe chemical containment.
Wide Capacity Range
Available in capacities ranging from a few hundred liters to several hundred thousand liters, chemical storage tanks can be customized to meet specific storage requirements.
High Structural Strength
Modern tank designs are engineered to withstand chemical loads, liquid pressure, wind loads, and operational stresses while maintaining structural integrity.
Customizable Design
Tanks can be customized with:
Inlet and outlet nozzles
Overflow connections
Vent systems
Drain arrangements
Level indicators
Agitators and mixer
Access manholes
UV and Weather Resistance
For outdoor installations, tanks can be designed with UV-resistant materials or protective coatings to withstand environmental exposure.
Temperature Resistance
Depending on the selected material, chemical storage tanks can safely operate across a wide temperature range.
Secondary Containment Options
Double-wall tanks, bunded tanks, and containment systems can be incorporated to provide additional protection against accidental spills.
Easy Inspection and Maintenance
Features such as manholes, inspection ports, and removable accessories facilitate routine inspection, cleaning, and maintenance.
Manufacturing Process of Chemical Storage Tank
The manufacturing process of a Chemical Storage Tank involves careful design, material selection, fabrication, inspection, and testing to ensure safe and reliable storage of chemicals, corrosive liquids, and industrial process fluids. The process varies depending on the tank material, capacity, operating conditions, and application requirements.
The manufacturing process begins with detailed engineering and design based on:
- Chemical type and concentration
- Storage capacity requirements
- Specific gravity of the liquid
- Operating temperature
- Installation location
- Pressure and venting requirements
- Applicable industry standards
Engineering documents typically include:
- General Arrangement (GA) Drawings
- Fabrication Drawings
- Design Calculations
- Nozzle Layout Drawings
- Structural Reinforcement Details
- Bill of Materials (BOM)
The tank material is selected according to chemical compatibility and operating conditions.
Common materials include:
- PPH (Polypropylene Homopolymer)
- PP (Polypropylene)
- HDPE (High-Density Polyethylene)
- PVDF (Polyvinylidene Fluoride)
- FRP (Fiberglass Reinforced Plastic)
- Dual Laminate (PPH/FRP, PVDF/FRP)
- Stainless Steel 304/316L
Material selection is critical to ensuring long-term corrosion resistance and durability.
Before fabrication, all materials undergo inspection for:
- Material grade verification
- Thickness measurement
- Surface quality
- Dimensional accuracy
- Material certification review
- Traceability verification
Only approved materials are released for production.
Tank sheets, pipes, and fittings are cut according to approved drawings using:
- CNC Cutting Machines
- Panel Saws
- Circular Saws
- Precision Cutting Equipment
The cut components are prepared for fabrication and assembly.
The tank shell is formed by:
- Rolling thermoplastic sheets
- Forming cylindrical sections
- Preparing shell joints
- Aligning shell segments
For large tanks, multiple shell sections may be fabricated and assembled.
The tank bottom and top are fabricated according to design requirements.
Bottom Types
- Flat Bottom
- Conical Bottom
- Dish Bottom
- Sloped Bottom
Top Designs
- Open Top
- Flat Top
- Dome Top
- Conical Top
These components are prepared and aligned for assembly.
The shell, bottom, and roof sections are joined using appropriate fabrication methods.
Thermoplastic Tanks
Common joining methods include:
- Butt Fusion Welding
- Extrusion Welding
- Hot Gas Welding
FRP Tanks
Common processes include:
- Hand Lay-Up
- Filament Winding
- Spray-Up Techniques
Stainless Steel Tanks
Common methods include:
- TIG Welding
- MIG Welding
- Arc Welding
Proper welding ensures structural integrity and leak-proof performance.
Required accessories are installed, including:
- Inlet Nozzles
- Outlet Nozzles
- Overflow Connections
- Vent Connections
- Drain Nozzles
- Sampling Ports
- Level Indicators
- Manholes
- Agitator Mountings
Each component is installed according to design specifications.
How to Select the Right Chemical Storage Tank
Selecting the right Chemical Storage Tank is crucial for ensuring safe chemical storage, operational efficiency, environmental protection, and long service life. The tank must be designed to withstand the chemical properties, operating conditions, and site requirements of the application.
The first step is to determine:
- Chemical name
- Chemical concentration
- Chemical composition
- Specific gravity
- Hazard classification
Different chemicals require different tank materials and designs.
Examples:
- Sulfuric Acid
- Hydrochloric Acid
- Nitric Acid
- Sodium Hydroxide (Caustic Soda)
- Sodium Hypochlorite
- Ferric Chloride
- Hydrogen Peroxide
The tank material must be chemically compatible with the stored media.
Common Tank Materials
Material | Suitable Applications |
PPH | Acids, Alkalis, Water Treatment Chemicals |
HDPE | General Chemicals, Water Storage |
PVDF | Highly Corrosive Chemicals |
FRP | Corrosive Industrial Chemicals |
Dual Laminate (PPH/FRP, PVDF/FRP) | Aggressive Chemical Storage |
SS 316/316L | Selected Chemicals and Process Fluids |
Improper material selection can result in corrosion, cracking, and premature failure.
Calculate the required tank volume based on:
- Daily consumption
- Delivery frequency
- Emergency reserve requirements
- Future expansion plans
Typical capacities range from:
- 100 Liters
- 500 Liters
- 1,000 Liters
- 10,000 Liters
- 100,000 Liters and above
Tank design must account for the chemical’s density.
Higher specific gravity liquids exert greater pressure on tank walls and bottoms.
Examples:
- Water = 1.0 SG
- Sulfuric Acid = Higher SG
- Ferric Chloride = Higher SG
The tank should be designed for the actual operating specific gravity.
Temperature affects:
- Material performance
- Chemical compatibility
- Structural integrity
Consider:
- Normal operating temperature
- Maximum storage temperature
- Ambient environmental conditions
High-temperature applications may require specialized materials such as PVDF or dual-laminate construction.
Evaluate whether the tank will be installed:
- Indoors
- Outdoors
- In corrosive environments
- In high-temperature zones
- In seismic regions
Environmental conditions influence material selection and structural design.
Vertical Tanks
Suitable for:
- Maximum storage capacity
- Minimum floor space
- Chemical processing plants
Horizontal Tanks
Suitable for:
- Low-height installations
- Transport applications
- Space-constrained areas
Common tank configurations include:
- Vertical Cylindrical Tanks
- Horizontal Cylindrical Tanks
- Rectangular Tanks
- Cone Bottom Tanks
- Flat Bottom Tanks
- Double-Wall Tanks
- Bunded Tanks
The design should suit the application and site conditions.
Many regulations require spill containment systems.
Options include:
- Bunded Tanks
- Double-Wall Tanks
- Containment Basins
- Spill Collection Systems
These systems help protect personnel and the environment.
Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
Why Choose Petron Thermoplast?
At Petron Thermoplast, we combine advanced material technology with precision manufacturing to deliver chemical tanks that ensure maximum safety, durability, and reliability. Every tank is engineered to match your specific media, temperature, and operating pressure requirements. Designed to withstand demanding operating conditions, chemical storage tanks are help in industries to maintain the operational continuity while to ensuring the safety and environmental compliance.
Frequently Asked Questions
A chemical storage tank is a specially designed vessel used to safely store chemicals, corrosive liquids, process fluids, and hazardous substances in industrial applications.
Common materials include:
- PPH (Polypropylene Homopolymer)
- PP (Polypropylene)
- HDPE (High-Density Polyethylene)
- PVDF (Polyvinylidene Fluoride)
- FRP (Fiberglass Reinforced Plastic)
- Dual Laminate (PPH/FRP, PVDF/FRP)
- Stainless Steel 304/316L
Chemical storage tanks can be used for storing:
- Sulfuric Acid
- Hydrochloric Acid
- Nitric Acid
- Phosphoric Acid
- Sodium Hydroxide (Caustic Soda)
- Sodium Hypochlorite
- Ferric Chloride
- Hydrogen Peroxide
- Alum Solution
- Process Water
- Various Industrial Chemicals
Selection depends on:
- Chemical compatibility
- Storage capacity
- Operating temperature
- Specific gravity
- Installation environment
- Tank material
- Safety and regulatory requirements
Chemical compatibility prevents:
- Corrosion
- Cracking
- Swelling
- Material degradation
- Leakage
- Premature tank failure
Proper compatibility ensures safety and long service life.
Chemical storage tanks are available in capacities ranging from:
- 100 Liters
- 500 Liters
- 1,000 Liters
- 5,000 Liters
- 10,000 Liters
- 100,000 Liters and above
Custom capacities are also available.
Vertical Tanks:
- Require less floor space
- Suitable for large storage volumes
Horizontal Tanks:
- Suitable for low-height installations
- Easier access in some applications
Chemical storage tanks are available in capacities ranging from:
- 100 Liters
- 500 Liters
- 1,000 Liters
- 5,000 Liters
- 10,000 Liters
- 100,000 Liters and above
Custom capacities are also available.
A dual laminate tank combines:
- An inner thermoplastic liner for chemical resistance
- An outer FRP shell for structural strength
This design is ideal for highly corrosive chemicals.
Yes. Tanks can be designed for outdoor use with:
- UV-resistant materials
- Protective coatings
- Weather-resistant construction0
