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Nitric Acid Scrubber Manufacturer
Envigaurd manufactures high-performance nitric acid scrubbers using PP, FRP, and HDPE materials engineered for durability and chemical resistance. Our end-to-end turnkey solutions, including design, fabrication, installation, and commissioning, ensure zero emission compliance for chemical, ceramic, and industrial plants.
Our Credentials: Excellence, Experience, and Reliability
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Trusted by Industry Leaders Across India
At Envigaurd, we are proud to be the preferred partner for air pollution control and fume scrubbing systems for leading industrial and institutional clients. Our nitric acid scrubbers and custom-built exhaust systems have been successfully deployed across diverse sectors including ceramics, pharmaceuticals, chemicals, fertilizers, and R&D labs.
Our Nitric Acid Scrubber Solutions
Envigaurd offers a complete range of nitric acid scrubber systems designed for high-performance emission control in drying, chemical processing, and high-acid-load environments across India. Our systems are customized to handle varying concentrations, temperatures, and flow rates, ensuring long-term reliability and compliance.
1. Wet Scrubbers for Nitric Acid from Drying Processes
Envigaurd’s wet scrubbers are designed to treat nitric acid vapors emitted from dryers used in ceramics and fertilizer manufacturing.
Feature | Details |
Temperature Range | Up to 100°C |
Configuration | Counterflow packed bed or spray tower |
Neutralization | Alkaline scrubbing solution |
Mist Elimination | Integrated demister to reduce droplet carryover |
2. Nitric Acid Fume Scrubbers for High-Acid Loads
These systems are built to handle high concentrations of nitric acid vapors from reactors, transfer lines, and storage vents.
Feature | Details |
Scrubbing Stages | Multi-stage fume absorption |
Automation | Online pH control and auto dosing system |
Material Compatibility | PP-FRP, HDPE, or PTFE-lined internals |
Application Limit | Up to 65% nitric acid vapor concentration |
3. Scrubbers for Hot Nitric Acid Emissions
For processes emitting hot nitric acid fumes, we provide thermally robust systems with cooling and scrubbing capabilities.
Feature | Details |
Operating Temperature | 80°C to 120°C |
Cooling Option | Integrated water quench (if required) |
Construction Material | Glass flake-lined PP-FRP or PTFE composite |
Scrubbing Process | Two-stage (cooling + chemical neutralization) |
4. Material Selection and Temperature Compatibility
Our scrubbers are engineered using materials selected for their chemical and thermal resistance.
Material | Suitable Conditions |
PP-FRP / HDPE | Up to 90°C, moderate acid concentrations |
Dual-Laminate (PVDF/FRP, PTFE/FRP) | High-temperature and aggressive chemical environments |
SS 316L with Lining | High-pressure or hygienic applications |
Ready to Eliminate Nitric Acid Emissions Effectively?
Envigaurd’s engineered nitric acid scrubbers deliver reliable compliance, long-term durability, and tailored solutions for your industry. Whether you’re in fertilizer, ceramics, pharma, or chemical manufacturing, we ensure clean air and regulatory peace of mind.
Frequently Asked Questions About Nitric Acid Scrubber
A nitric acid scrubber is a pollution control system designed to capture and neutralize nitric acid vapors released from industrial processes such as drying or chemical reactions. The system uses a wet scrubbing mechanism where exhaust gases pass through an alkaline scrubbing solution that reacts with nitric acid to form harmless byproducts. This helps prevent air pollution and corrosion and ensures workplace safety.
Industries such as ceramics, fertilizers, explosives, specialty chemicals, electronics, and metallurgy generate nitric acid fumes. These industries are required by law to treat emissions using scrubbers. CPCB and TNPCB regulations mandate the use of pollution control equipment to limit the release of hazardous acid fumes. Non-compliance can result in legal penalties and operational shutdowns.
We design our wet scrubbers with corrosion-resistant materials like PP-FRP or HDPE and include cooling arrangements if necessary. The system is equipped with multi-stage neutralization, mist eliminators, and recirculation loops. Design parameters are based on temperature, flow rate, and nitric acid load. Each system is customized to ensure safe and effective scrubbing of high-temperature acid fumes.
Yes. We offer complete rebuild and retrofitting services for existing scrubber systems. This includes replacing internals, upgrading the mist eliminator, improving flow distribution, adding dosing and monitoring controls, and ensuring compliance with emission norms. Rebuilding is a cost-effective option for extending system life and improving performance.
Material selection depends on process temperature, pressure, and chemical exposure. Common options include PP-FRP for general nitric acid fume handling, HDPE for low to moderate temperature resistance, SS316L or SS304L for pressure handling or mixed fumes, and PVDF or PTFE lining for highly corrosive or high-temperature fumes. We recommend materials based on process details and longevity requirements.
To provide a quotation, we require the following: gas flow rate in cubic meters per hour, nitric acid concentration in fumes, temperature of gas stream, required removal efficiency or emission norms, available space for installation, utility availability such as water, electricity, and dosing chemicals, and expected plant operating hours.
Yes. Our systems can include automatic pH controllers, chemical dosing pumps, and optional cloud-based monitoring. These features help maintain proper neutralization, reduce manual checks, and allow remote diagnostics. SCADA and PLC integration are available on request.
We provide complete after-sales support including annual maintenance contracts, scheduled preventive maintenance, emergency breakdown service, spare part supply, and performance audits. Our Chennai-based service team supports clients across Tamil Nadu and South India with fast response and reliable maintenance.
Typical lead times are design and documentation within 5 to 7 working days, manufacturing within 3 to 5 weeks, delivery and installation in 1 to 2 weeks, and testing and commissioning in 2 to 3 days. We also support fast-track delivery options based on project urgency.
Yes. Our scrubber systems are designed and tested as per CPCB and TNPCB guidelines. We provide complete documentation including design calculations, performance test reports, compliance sheets, and material certificates. We support clients during audits, inspections, and certification processes.
11. What documents and technical details do you provide for tender participation or BOR preparation?
We provide a full documentation set including technical data sheet, general arrangement drawings, process flow diagrams and P and ID, material of construction and compliance lists, performance guarantee details, operation and maintenance manuals, and certifications. We can also provide QAP, inspection test plans, and third-party inspection scope if required by the tender authority.
Yes. We support EPC contractors and consultants in preparing accurate BOQs and technical specifications. We help identify correct sizing, flow rates, material of construction, system layout, and utility requirements. This reduces the risk of cost overruns and ensures alignment with emission control norms.
Yes. We are a registered Indian manufacturer with ISO 9001, EMS 14001, and OHSAS 45001 certifications. We have experience executing scrubber systems for PSUs, MSMEs, and state and central government funded projects. We comply with EMD, PBG, MSME, and technical eligibility requirements.
Yes. We can provide client references, past project performance certificates, and product makes and models for technical evaluations. Our systems have been deployed in ceramics, fertilizers, pharma, and specialty chemical industries across India.
Our standard warranty is 12 to 18 months from commissioning. We also provide a performance guarantee for achieving specified outlet emissions and scrubbing efficiency. Extended warranties and long-term annual maintenance contracts can be included based on project or tender requirements.
Yes. We offer site inspections before bidding to understand process conditions. We participate in pre-bid technical meetings and respond to post-bid compliance queries with necessary documents and clarifications. Our team ensures technical support from bidding to project handover.