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Hangzhou Suqin Technology Co., Ltd. specializes in the treatment of organic waste gases, which involves吸附 (adsorption), 过滤 (filtration), and purification of organic waste gases produced during industrial production processes. Common treatments include organic waste gas treatment, treatment of benzene, toluene, and xylene (BTX) organic waste gases, treatment of acetone and butane organic waste gases, ethyl acetate waste gas treatment, oil mist treatment, furfural treatment, styrene treatment, resin treatment, additive treatment, paint mist treatment, and naphtha treatment. These methods involve air purification processes that contain carbon-hydrogen-oxygen organic compounds.

1. Condensation Recovery Method: Directly introduce organic waste gases into a condenser, where they are adsorbed, absorbed, desorbed, and separated to recover valuable organic substances. This method is suitable for conditions with high concentrations of organic waste gases, low temperatures, and low airflow. It requires auxiliary refrigeration equipment and is primarily used in the chemical industry; it is less commonly adopted by printing enterprises.

2. Adsorption Method:

(1) Direct Adsorption Method: Organic waste gases are adsorbed by activated carbon, achieving over 95% purification efficiency. The equipment is simple and requires minimal investment, but frequent replacement of activated carbon increases handling, transportation, and replacement procedures, leading to higher operating costs.

(2) Adsorption-Recycling Method: Utilize fibrous activated carbon to adsorb organic waste gases, and then use superheated steam for backwashing when approaching saturation to desorb and regenerate; this method requires the provision of the necessary steam volume.

(3) Adsorption-Catalytic Combustion Method: This method combines the advantages of adsorption and catalytic combustion methods. It utilizes a new type of adsorption material (honeycomb activated carbon) for adsorption. After approaching saturation, hot air is introduced for desorption and pyrolysis. The desorbed waste gas is then introduced to the catalytic combustion bed for flameless combustion, achieving净化. The hot gas is recycled in the system, significantly reducing costs. This method features low operation costs, cost savings on investment, reduced operating costs, and easy maintenance. It is suitable for the treatment of large volume, low concentration waste gas and is currently a mature and practical method for treating organic waste gas in China.

3. Direct Combustion Method: Utilizes auxiliary fuels such as gas or oil to combust, heating the mixed gas and decomposing harmful substances into harmless ones under high temperatures. This method is simple in process and requires minimal investment, suitable for high-concentration, low-airflow waste gases; however, it demands higher safety and operational standards.

4. Catalytic Combustion Method: Converts waste gases into harmless and odorless carbon dioxide and water by heating and catalytic combustion; this method has a low ignition temperature, energy-saving, efficient purification, easy operation, small land occupation, and a higher investment cost. Suitable for high-temperature or high-concentration organic waste gases.

5. Absorption Method: Generally employs physical absorption, where waste gas is introduced into an absorbent liquid for purification. After the absorbent liquid becomes saturated, it is heated, decomposed, and condensed for recovery. This method is suitable for treating large volumes of waste gas at low temperatures and concentrations, but requires a heating and decomposition recovery unit. The equipment is large in size and has a high investment cost.

6. Nanometer Micro-electrolytic Oxidation Method: The nanometer micro-electrolytic purification technology utilizes piezoelectric materials processed at the nanometer level. Under certain humidity, it can generate electrostatic adsorption and release a large number of hydroxyl anions through micro-electrolytic fields, thereby purifying oxygen-demanding pollutants in gases. Not only can it remove most organic matter from the air, but it can also analyze inorganic odors such as ammonia nitrogen and hydrogen sulfide.

7. Thermal combustion method: Utilizing regenerative thermal oxidizer (RTO) for organic waste gas treatment achieves a dual-effect. Suitable for handling organic waste gases in applications such as coating, printing, spraying, and more. RTO equipment is now widely used in industries including these.