{"id":325,"date":"2025-12-11T05:33:49","date_gmt":"2025-12-11T05:33:49","guid":{"rendered":"https:\/\/rtooxidizer.com\/?p=325"},"modified":"2026-01-20T07:43:48","modified_gmt":"2026-01-20T07:43:48","slug":"application-of-rto-in-printing-and-packaging-industry","status":"publish","type":"post","link":"https:\/\/rtooxidizer.com\/ar\/application\/application-of-rto-in-printing-and-packaging-industry\/","title":{"rendered":"Application of RTO in Printing and Packaging Industry"},"content":{"rendered":"
Inquire Now<\/a><\/div>\n

1. Summary<\/h2>\n

The printing and packaging industry faces a unique dual challenge: managing high-volume, fluctuating VOC emissions from diverse solvents like ethyl acetate and toluene, while adhering to increasingly strict environmental regulations such as Australia’s NPI.<\/p>\n

Regenerative Thermal Oxidizers (RTO), particularly when combined with Zeolite Rotor Concentrators or solvent recovery systems, have emerged as the gold standard, offering 99% destruction efficiency and turning waste solvent energy back into process heat.<\/p>\n

Ever Power provides custom-engineered, cost-effective RTO solutions that ensure compliance, safety, and significant energy savings for flexographic, rotogravure, and metal decorating facilities.<\/p>\n

2. Five Key Facts<\/h2>\n

Flexo & Gravure:<\/strong> Tailored for Ethanol, Acetates & Toluene.<\/p>\n

Rotor Concentrator:<\/strong> Reduces air volume by 15:1 for efficiency.<\/p>\n

Aus Compliance:<\/strong> Meets NPI & State EPA Limits (< 20mg\/m\u00b3).<\/p>\n

Heat Recovery:<\/strong> Recycles heat for drying ovens.<\/p>\n

Solvent Recovery:<\/strong> Optional condensation for high-value solvents.<\/p>\n

\"Classic<\/p>\n

3. The VOC Challenge in Modern Printing<\/h2>\n

The printing and packaging industry is a cornerstone of modern manufacturing, yet it remains one of the significant sources of Volatile Organic Compounds (VOCs). Whether in Flexographic printing for food packaging or Rotogravure for high-volume magazines, the use of organic solvents like ethanol, ethyl acetate, propyl acetate, and toluene is ubiquitous. These solvents are essential for ink viscosity and drying speed but pose severe environmental and health risks if released untreated. For Australian manufacturers, the challenge is compounded by the varying nature of these emissions.<\/p>\n

Traditional thermal oxidizers or simple adsorption methods are no longer sufficient to meet today’s energy efficiency demands and strict emission caps. The industry is shifting towards Regenerative Thermal Oxidizers (RTO) integrated with concentration technologies. By increasing the VOC concentration before oxidation and recovering up to 95% of the thermal energy, Ever Power RTO systems transform a compliance cost into an energy asset, feeding heat back into the drying ovens and significantly reducing natural gas consumption.<\/p>\n

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4. Industry Trends: Green Packaging & Smart RTOs<\/h2>\n

The Australian packaging industry is moving rapidly towards sustainable materials. This shift includes the use of water-based inks and compostable films, which create high-humidity, low-VOC exhaust streams. Traditional oxidizers struggle here. The trend is firmly towards Zeolite Concentration technology, which efficiently handles these dilute, wet streams.<\/p>\n

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5. Application Scenarios<\/h2>\n
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5.1 Flexographic Printing<\/h3>\n

\u2022 Exhaust composition: Ethanol + Ethyl acetate, concentration 1\u201310 g\/Nm\u00b3, high humidity.
\n\u2022 Treatment method: Rotary concentrator (15:1) + Three-bed RTO; occasionally equipped with a waste heat boiler.
\n\u2022 Representative Cases: Amcor Wisconsin Plant (USA), Mondi (Germany), Vinaprint (Vietnam), Amcor S\u00e3o Paulo (Brazil), Al Ghurair (Dubai), Dangote Packaging (Nigeria).<\/p><\/blockquote>\n

 <\/p>\n

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5.2 Gravure Printing<\/h3>\n

\u2022 Exhaust Gas Composition: High-concentration aromatics (e.g., toluene) at 15\u201330 g\/Nm\u00b3.
\n\u2022 Treatment Approach: Rotary concentrator + solvent recovery via condensation + RTO combination to enhance solvent recovery rates.
\n\u2022 Representative Cases: Berry Global (USA), Italian Rotogravure, Thai Packaging (Thailand), Rigid Packaging (Brazil), Saudi Napco, Eastern Pack (Egypt).<\/p><\/blockquote>\n

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5.3 Offset Printing (Heat-set\/Cold-set\/UV)<\/h3>\n

\u2022 Exhaust composition: Isopropyl alcohol and cleaning solvents; highly variable.
\n\u2022 Treatment method: Wide-range triple-bed RTO.
\n\u2022 Representative cases: Quad Graphics (USA), UPM (Finland), Sinar Mas (Indonesia), RR Donnelley (Brazil), Emirates Printing (UAE), Maroc Press (Morocco).<\/p><\/blockquote>\n

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5.4 Screen Printing<\/h3>\n

\u2022 Exhaust composition: Odors from multi-component pastes and pigments.
\n\u2022 Treatment method: Activated carbon adsorption + RTO standby mode; suitable for small batches or intermittent emissions.
\n\u2022 Representative cases: Nazdar (USA), SilkScreen Co (Turkey), multiple Vietnamese suppliers, Serigrafia (Brazil), ScreenTech (Dubai), Screenline (South Africa).<\/p><\/blockquote>\n

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5.5 Digital Printing Exhaust<\/h3>\n

\u2022 Exhaust composition: Inkjet solvents, low concentration but complex composition.
\n\u2022 Treatment method: Small-scale RTO or RCO; suitable for on-demand printing facilities.
\n\u2022 Representative cases: HP Indigo printing stations (USA), Digital Press (Sweden), Digital Hub (Thailand), AlphaGraphics (Brazil), Digital Print (Saudi Arabia), Digital Solutions (Kenya).<\/p><\/blockquote>\n

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5.6 Laminating\/Coating\/Varnishing<\/h3>\n

\u2022 Exhaust composition: Ester + ketone-based viscous solvents.
\n\u2022 Treatment method: Rotary concentrator + RTO, concentration ratio 10\u201320:1.
\n\u2022 Representative Cases: Bemis (USA), Huhtamaki (Germany), Binh Minh Plastics (Vietnam), Dixie Toga (Brazil), Hotpack (UAE), Flexible Packaging (Nigeria).<\/p><\/blockquote>\n

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5.7 Metallic Decorative Printing<\/h3>\n

\u2022 Exhaust Composition: Esters + Ketones, continuous exhaust from high-speed can lines.
\n\u2022 Treatment method: Three-bed RTO + waste heat drying, with thermal energy utilized for post-printing drying.
\n\u2022 Representative cases: Crown Cork (USA), Trivium (Netherlands), Thai Metal Can (Thailand), MetalPack (Brazil), Saudi Can (Saudi Arabia), MetalCan (Egypt).<\/p><\/blockquote>\n

*Disclaimer: The other brand names mentioned above are provided solely for illustrative purposes. We do not offer original products or equipment bearing these brand names.<\/p>\n

\"rtooxidizer-CO-for-operating<\/p>\n

6. Exclusive Data Technical Specifications Table: Printing Series RTO<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Performance<\/th>\n2-bed RTO<\/th>\n3-bed RTO<\/th>\nRotary Valve RTO<\/th>\nNotes<\/th>\n<\/tr>\n<\/thead>\n
Technicality<\/td>\nFirst generation<\/td>\nSecond generation<\/td>\nThird generation<\/td>\n<\/td>\n<\/tr>\n
Number of chambers<\/td>\n2<\/td>\n3<\/td>\n12<\/td>\nRotary valve operates continuously<\/td>\n<\/tr>\n
Number of valves<\/td>\n4<\/td>\n9<\/td>\n\/<\/td>\n<\/td>\n<\/tr>\n
Reliability<\/td>\nValve switching times per year<\/td>\n350,000<\/td>\n520,000<\/td>\n\/<\/td>\n<\/tr>\n
Piping pressure fluctuation<\/td>\n\u00b1500pa<\/td>\n\u00b1250pa<\/td>\n\u00b125pa<\/td>\n<\/td>\n<\/tr>\n
Discharge compliance<\/td>\nTotal purification efficiency<\/td>\n95%<\/td>\n99%<\/td>\n99.5%<\/td>\n<\/tr>\n
Maximum treating range<\/td>\n< 1g<\/td>\n< 5g<\/td>\n< 10g<\/td>\n50mg\/m\u00b3 discharge standard<\/td>\n<\/tr>\n
Heat dissipation surface area<\/td>\n100m\u00b2<\/td>\n145m\u00b2<\/td>\n95m\u00b2<\/td>\n<\/td>\n<\/tr>\n
Energy saving<\/td>\nThermal efficiency<\/td>\n90%<\/td>\n95%<\/td>\n96%<\/td>\n<\/tr>\n
Start-up heating time<\/td>\n2.5h<\/td>\n2.5h<\/td>\n2h<\/td>\nCold furnace start-up (Ethyl acetate)<\/td>\n<\/tr>\n
Self-operation concentration<\/td>\n2.5g\/m\u00b3<\/td>\n2.2g\/m\u00b3<\/td>\n1.8g\/m\u00b3<\/td>\n<\/td>\n<\/tr>\n
Economy<\/td>\nRegenerative ceramic filling volume<\/td>\n18m\u00b3<\/td>\n26m\u00b3<\/td>\n17m\u00b3<\/td>\n<\/tr>\n
Practicality<\/td>\nOccupation of land<\/td>\nL12\u00d7W7<\/td>\nL16\u00d7W7<\/td>\nL12\u00d7W7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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7. Retrofit & Compatibility Guide<\/h2>\n

Many Australian printing facilities operate with legacy oxidizers that are energy-inefficient. Ever Power offers replacement solutions that are compatible with existing ductwork and control systems.<\/p>\n

\n\n\n\n\n\n\n\n
Legacy System Brand<\/th>\nEver Power Upgrade<\/th>\nKey Benefit<\/th>\n<\/tr>\n<\/thead>\n
Megtec (D\u00fcrr)<\/td>\nEP-Rotor Retrofit<\/td>\nHigher adsorption capacity zeolite wheels.<\/td>\n<\/tr>\n
Anguil Standard<\/td>\nEP-Ceramic Bed Upgrade<\/td>\nStructured media for lower pressure drop.<\/td>\n<\/tr>\n
Local Thermal Oxidizers<\/td>\nFull RTO Replacement<\/td>\n95% fuel savings vs direct combustion.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

*Disclaimer: The other brand names mentioned above are provided solely for illustrative purposes. We do not offer original products or equipment bearing these brand names.<\/p>\n

8. Australian Regulatory Compliance<\/h2>\n

Navigating the environmental landscape in Australia requires adherence to both federal and state-level regulations. Ever Power systems are designed to exceed these requirements, ensuring long-term operational security.<\/p>\n