Huashijie VOCs Treatment Technology Process Comparison Introduction - Molecular Sieve Rotary Wheel Concentration Technology

The following provides a detailed analysis from several technical perspectives:

(1) Huashijie Adsorption Recovery Device

1. ACF Activated Carbon Fiber Adsorption Recovery Device and Its Characteristics

1) Core Materials

Huashijie Activated Carbon Fiber (≤2nm micropores ≥99%), with excellent performance:

① Specific surface area up to 1300 m²/g, large adsorption capacity; same volume, smaller packing volume; 

② Mature production process, stable product quality; 

③ Good mechanical strength and regeneration performance; 

④ Adequate thermal stability and chemical stability; 

⑤ According to different types of VOCs, it can match different production types or the same type but with different pore diameters, ensuring the purification efficiency of VOCs.

2) Perfect Process Technology

Huashijie equipment has excellent process, stable performance, and is safe and reliable

① More efficient: large adsorption capacity, fast adsorption and desorption, high quality of recovered solvent; 

② Lower consumption: effective utilization of desorption steam, specific process can save 50%; reasonable control of steam condensation temperature, saving energy for wastewater treatment; same packing volume, smaller equipment, compact and small in area, indirectly reducing operating costs; 

③ Safer: equipment main body is high-quality stainless steel, applicable to various working conditions, long service life; small pile volume, quick switching, high safety; systematic explosion-proof design and node monitoring, safe operation; PLC control operation is convenient, reliable and stable.

2. GAC Granular Activated Carbon Adsorption Recovery Device and Its Characteristics

1) Patent Technology Producing Core Materials, Manufacturing Equipment with Complete Processing Technology

Huashijie granular activated carbon (≤2nm micropores porosity ≥90%), with excellent performance

① Specific surface area up to 800 m²/g, distribution of micro and mesopores; large adsorption capacity; 

② System resistance is low, price is relatively low; can achieve vacuum desorption; 

③ Mature production process, sufficient thermal stability and chemical stability; 

④ Good mechanical strength and regeneration performance; 

⑤ According to different types of VOCs, it can match different production types or the same type but with different pore diameters, ensuring the purification efficiency of VOCs; 

⑥ More efficient: large adsorption capacity, fast adsorption and desorption, high quality of recovered solvent; 

⑦ Lower consumption: system resistance is low, price is relatively low; can achieve vacuum desorption, thereby reducing steam consumption; reasonable control of steam condensation temperature, saving energy for wastewater treatment; 

⑧ Safer: equipment main body is high-quality stainless steel, applicable to various working conditions, long service life;; systematic explosion-proof design and node monitoring, safe operation; PLC control operation is convenient, reliable and stable.

(2) Huashijie Waste Gas Oxidation Treatment Equipment

1. Catalytic Oxidation Treatment Equipment

1) Preferred Core Materials

Huashijie prefers noble metal catalysts (Pt, Pd and Au), which have low ignition temperature (280°C ignition), high removal efficiency (>95%), high catalytic activity, and are also resistant to high temperatures, oxidation and corrosion. The catalyst changes the chemical reaction rate without participating in the reaction, and there is little consumption before and after the reaction, with a long service life.

2) Leading Technical Advantages

① Huashijie prefers noble metal catalysts, high-velocity > 30,000 h⁻¹, high purification efficiency, up to 95%; 

② Adopt new ceramic regenerative system, high thermal utilization efficiency; 

③ Low-temperature catalysis, low energy consumption, stable operation and safer; 

④ Compact system structure, small area; 

⑤ Long residence time, complete combustion, thorough decomposition; 

⑥ High automation control degree, easy maintenance. 

2. Regenerative Oxidation Treatment Equipment

1) Preferred Core Materials

Regenerative Oxidation Technology (RTO) key core material ceramic regenerative body, Huashijie adopts MLM ceramic regenerative body:

① High-temperature resistance: T ≥ 1200℃; 

② Excellent quality: Good thermal shock stability and high strength; 

③ Large heat storage capacity: Good thermal conductivity and large heat storage capacity; 

④ Long service life: Resistant to high-temperature oxidation and chemical corrosion, with a long service life. 

2) Leading technical advantages

① Rich processes: Two-bed, three-bed and rotating RTO, multiple processes available; 

② High removal rate: Up to > 99%, suitable for different working conditions; 

③ Economic benefits: Can be configured with heat utilization devices as needed; Efficient heat exchange makes the equipment economically and safely efficient; 

④ Safe operation: Flameout protection, over-temperature alarm functions make operation safer; 

⑤ Real-time monitoring: PLC system is used to achieve multiple protections, enabling self-check and troubleshooting of faults, and a stable and complete system. 

3) Multiple process options

(III) Molecular sieve adsorption concentrator wheel + catalytic oxidation

1) Preferred core materials

① Process core: Suitable for continuous operation scenarios, with a rotating adsorption wheel structure, stable rotation speed, consistent adsorption and desorption wind speeds, continuous operation without flow bias, stable desorption concentration, high purification efficiency. Equipment safety and energy saving: Real-time monitoring of temperature and pressure; Emergency protection in case of power failure and gas cut-off; Multiple parking modes for long-term, short-term and seasonal; Ensuring system safety and energy saving. 

② Material core: Non-flammable inorganic silicate as the adsorption material, eliminating the risk of fire; Huashijie selects preferred adsorption materials with a long lifespan (5-10 years); Strong structural strength, good water resistance; Rich micropore distribution, uniform pore channels, high adsorption efficiency. High catalyst performance: After high-temperature stabilization treatment, high mechanical strength, removal efficiency > 98%, ignition temperature low 280℃, strong heat resistance 650℃. 

2) Leading technical advantages

① Good safety: Adsorption materials are non-flammable, eliminating the risk of fire; 

② High treatment efficiency: Purification efficiency can reach 95%, meeting environmental protection standards; 

③ Stable operation: Adsorption and desorption are stable and continuous, desorption temperature reaches 200℃; 

④ Low maintenance costs: Long lifespan of adsorption materials; No control valves; 

⑤ Low investment: Concentration 15 times or more, reduced requirements for post-treatment equipment; 

⑥ Multiple process combinations, high residual heat utilization rate: Achieve high thermal energy recovery ≥ 95% with RTO; Recover residual heat with CO combination. 

The above solutions can be customized and optimized according to the actual working conditions of the customer site, achieving reasonable one-time investment, ensuring the safe and reliable operation of the equipment and low operating costs, relieving your worries about environmental protection compliance while generating certain economic value through adsorption recovery and residual heat utilization. 

Huashijie believes in "Equal emphasis on innovation and quality, environmental protection and benefits" and continuously explores and innovates, providing customers with high-quality products and services, always standing in the customer's perspective, solving customers' environmental protection problems, helping customers achieve benefit growth.