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Tower Product List

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[Environmental Equipment Delivery Case] High-Concentration Chlorine Gas and Cyanide Gas Removal Tower

[Environmental Equipment Delivery Case] High-Concentration Chlorine Gas and Cyanide Gas Removal Tower

The outlet concentration should be below 2ppm for cyanide gas! We will introduce examples of the delivery of high-concentration chlorine gas and cyanide gas removal towers.

We would like to introduce a case study of the delivery of a high-concentration chlorine gas and cyanide gas removal tower conducted by E-Techno. The target gases for removal are chlorine gas and cyanide gas, with a maximum treatment gas volume of 3600 Nm³/h. The inlet concentration is a maximum of 2 vol% for chlorine gas and 15 vol% for cyanide gas, while the outlet concentration is 0.5 ppm for chlorine gas and below 2 ppm for cyanide gas. 【Case Study】 ■ Industry of Delivery: Chemical ■ Designed and Installed Equipment: High-Concentration Chlorine Gas and Cyanide Gas Removal Tower ■ Treatment Gas Volume: Max. 3600 Nm³/h ■ Target Gases for Removal: Chlorine Gas, Cyanide Gas ■ Inlet Concentration: Max. 2 vol% for Chlorine Gas, 15 vol% for Cyanide Gas ■ Outlet Concentration: 0.5 ppm for Chlorine Gas, below 2 ppm for Cyanide Gas *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study of Environmental Equipment] Hydrochloric Acid Gas Removal Tower

[Case Study of Environmental Equipment] Hydrochloric Acid Gas Removal Tower

The absorption by water is Max 90°C! We will introduce a case where the outlet concentration of hydrochloric acid gas was below 5 ppm.

Here is a case study of the hydrochloric acid gas removal tower delivered by E-Techno to the steel industry. The absorption using water is at a maximum of 90°C. The processing gas volume is 6750 Nm³/h, and the target gases and their concentrations are trace amounts of HCl, trace amounts of Cl2 gas, dust, and Fe2O3. The outlet concentration is less than 5 ppm for hydrochloric acid gas, while chlorine gas and dust are at natural levels. [Case Study] - Industry of delivery: Steel manufacturing - Designed and installed equipment: Hydrochloric acid gas removal tower, E730 series - Processing gas volume: 6750 Nm³/h - Target gases and concentrations: trace amounts of HCl, trace amounts of Cl2 gas, dust, Fe2O3 - Outlet concentrations: - Hydrochloric acid gas: less than 5 ppm - Chlorine gas: natural levels - Dust: natural levels *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study of Environmental Equipment Installation] Salt Dust Removal Tower

[Case Study of Environmental Equipment Installation] Salt Dust Removal Tower

Design removal rate of 90% or more for particles larger than 20μm! We will introduce examples of salt dust removal towers.

We would like to introduce a case where E-Techno supplied a salt dust removal tower to the food industry. The processing gas volume is 40m³/min. The target for removal is dust from the dryer, and the concentration is unknown. At a maximum processing gas temperature of 70°C, the designed removal rate is over φ20μm, exceeding 90%. 【Case Details】 ■ Industry of Delivery: Food ■ Designed and Installed Equipment: Salt Dust Removal Tower E730 Series ■ Processing Gas Volume: 40m³/min ■ Target Dust and Concentration: Dust from the dryer, concentration unknown ■ Processing Gas Temperature: Max. 70°C ■ Designed Removal Rate: Over φ20μm, over 90% *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study of Environmental Equipment Installation] Dust Removal Tower

[Case Study of Environmental Equipment Installation] Dust Removal Tower

Processing gas volume 70 Nm³/h x 2 series! The coarse removal rate before the filter is designed for an 80% removal efficiency!

We would like to introduce a case of dust removal tower delivery conducted by E-Techno. The cleaning liquid is water, and the design removal rate for coarse particles before the filter is 80%. The substances to be removed include dust and acidic gases, with particle sizes ranging from 1μm to 40μm, of which more than 85% are over 10μm. 【Case Study】 ■ Industry of Delivery: Chemical ■ Designed and Installed Equipment: Dust Removal Tower EHCU Series ■ Processed Gas Volume: 70Nm3/h x 2 units ■ Substances to be Removed: Includes dust and acidic gases ■ Gas Temperature: Max. 80℃ ■ Particle Size: 1μm to 40μm (more than 85% are over 10μm) ■ Design Removal Rate: Coarse removal before the filter 80% ■ Cleaning Liquid: Water *For more details, please refer to the PDF document or feel free to contact us.

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[Environmental Equipment Delivery Case] SO2 Emission Tower

[Environmental Equipment Delivery Case] SO2 Emission Tower

Filling height is 3m + with distributor! Case of SO2 dispersion tower with a discharge liquid flow rate of 7.5m3/h.

We would like to introduce a case study of the SO2 emission tower delivered by E-Techno. The emission liquid flow rate is 7.5 m³/h, and the liquid temperature is 79°C. The filling height is 3m plus a distributor. The liquid inlet concentration is Free SO2 at 12,000 mg/L, and the liquid outlet concentration is Free SO2 at 54 mg/L, with an air usage amount of 10 m³/min. 【Case Study】 ■ Industry of Delivery: Steelmaking ■ Designed and Installed Equipment: SO2 Emission Tower ■ Emission Liquid Flow Rate: 7.5 m³/h ■ Liquid Temperature: 79°C ■ Liquid Inlet Concentration: Free SO2 at 12,000 mg/L ■ Liquid Outlet Concentration: Free SO2 at 54 mg/L ■ Air Usage Amount: 10 m³/min ■ Steam Usage Amount: 170 kg/h *For more details, please refer to the PDF document or feel free to contact us.

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Delivery case: Pre-cooling tower + Venturi + Demister tower + 2 packing towers

Delivery case: Pre-cooling tower + Venturi + Demister tower + 2 packing towers

Acetic acid gas is reduced from 25,000 ppm to below 1 ppm, and fume-like sublimates are removed from 5 g/Nm³ to below 0.1 g/Nm³!

We would like to introduce a case study of the delivery of a pre-cooling tower + Venturi + demister tower + two packed towers conducted by E-Techno. The gas-liquid contact is achieved through water (circulation + supply) for cooling, fume removal, and the injection of caustic soda aqueous solution for pH control to absorb acetic acid. The target substance, acetic acid gas, was reduced from 25,000 ppm to below 1 ppm, and fume-like sublimates were reduced from 5 g/Nm³ to below 0.1 g/Nm³. [Case Study] - Industry of delivery destination: Chemical - Designed and installed equipment: Pre-cooling tower + Venturi + demister tower + two packed towers - Designed removal rates: - Acetic acid gas: 25,000 ppm to below 1 ppm - Fume-like sublimates: 5 g/Nm³ to below 0.1 g/Nm³ - Packing material: Hyrex 200PP 2000H x 2 - Material: Main body made of SUS304 and corrosion-resistant FRP *For more details, please refer to the PDF document or feel free to contact us.

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【Environmental Equipment Delivery Case】Methyl Acrylate Gas Removal Tower

【Environmental Equipment Delivery Case】Methyl Acrylate Gas Removal Tower

Removal rate of over 90% of the design value! Case study of removal target gases such as methyl acrylate and toluene.

We would like to introduce a case of the delivery of a methyl acrylate gas removal tower conducted by E-Techno. The target gases and their concentrations are methyl acrylate at 200 ppm, toluene at 1600 ppm, cyclohexane at 100 ppm, and methanol at 20 ppm. The processing gas volume is 6000 m³/h, with a removal rate of over 90% as per design specifications. 【Case Details】 ■ Industry of delivery: Chemical ■ Designed and installed equipment: Methyl acrylate gas removal tower E730 series ■ Processing gas volume: 6000 m³/h ■ Gas temperature: 35℃ ■ Removal rate: Over 90% as per design specifications ■ Packing tower: ID 1200×H5015 (packing height 2m) SUS304 ■ Packing material: Hyrex 200PP *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study of Environmental Equipment Installation] Rubber Dust Removal Tower

[Case Study of Environmental Equipment Installation] Rubber Dust Removal Tower

Removal rate of over 90%! We will introduce a case study of an environmental device designed to remove rubber micro-dust.

We would like to introduce a case where I-Techno delivered a rubber dust removal tower. The processing gas volume is 100,800 Nm³/h, and the target for removal is fine rubber dust. The packing tower dimensions are ID 4515 × H7000. With washing using water, the removal rate exceeds 90%. 【Case Study】 ■ Industry of delivery: Rubber manufacturing ■ Designed and installed equipment: Rubber dust removal tower ■ Processing gas volume: 100,800 Nm³/h ■ Target dust for removal: Fine rubber dust ■ Removal rate: Over 90% ■ Packing tower: ID 4515 × H7000 ■ Packing material: Hilex 300PP 33.6m³, 200PP 8.4m³ *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study of Environmental Equipment] Moisture Removal Tower in Chlorine Gas - 3 Towers in Series

[Case Study of Environmental Equipment] Moisture Removal Tower in Chlorine Gas - 3 Towers in Series

98% sulfuric acid concentration at the entrance and 60% at the exit! Absorbing and removing moisture from chlorine gas with concentrated sulfuric acid!

We would like to introduce a case where I-Techno delivered three moisture removal towers in series for chlorine gas. Moisture is absorbed and removed from chlorine gas using concentrated sulfuric acid. The processing gas volume is 1300 Nm³/h of chlorine gas. With three towers in series, moisture is removed down to 30 wtppm from a saturation point at 20°C, and the sulfuric acid concentration is 98% at the inlet and 60% at the outlet. 【Case Study】 ■ Industry of the delivery destination: Chemical ■ Designed and installed equipment: Three moisture removal towers in series for chlorine gas ■ Processing gas volume: 1300 Nm³/h of chlorine gas ■ Moisture: Removed down to 30 wtppm from a saturation point at 20°C with three towers in series ■ Sulfuric acid concentration: 98% at the inlet, 60% at the outlet ■ Packing material: Hilex 1200 PVC 9.9m³ × 3 *For more details, please refer to the PDF document or feel free to contact us.

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[Delivery Example] Ethylene Oxide and Propylene Oxide Removal Tower

[Delivery Example] Ethylene Oxide and Propylene Oxide Removal Tower

Remove to below 40ppm from 715,000ppm! React and convert EG and PG with dilute sulfuric acid solution.

We would like to introduce a case study of the ethylene oxide and propylene oxide removal tower delivered by E-Techno. The gas temperature is 60°C, and the convergence temperature due to reaction heat is 72.1°C. The reaction converts EG and PG using a dilute sulfuric acid aqueous solution. The processing gas volume is 914.2 Nm³/h, and the design removal rate reduces the concentration from 715,000 ppm to below 40 ppm. 【Case Study】 ■ Industry of Delivery: Resin ■ Designed and Installed Equipment: Ethylene Oxide and Propylene Oxide Removal Tower ■ Processing Gas Volume: 914.2 Nm³/h ■ Target Substances for Removal: EO, PO ■ Gas Temperature: 60°C ■ Convergence Temperature Due to Reaction Heat: 72.1°C ■ Design Removal Rate: Reducing from 715,000 ppm to below 40 ppm *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study of Environmental Equipment Installation] Isopropyl Alcohol Removal Tower

[Case Study of Environmental Equipment Installation] Isopropyl Alcohol Removal Tower

Gas concentration is 9300 ppm! Case study of an isopropyl alcohol removal tower with a design removal rate of 80-90%.

We would like to introduce a case study of the isopropyl alcohol removal tower delivered by E-Techno. The target substance for removal is IPA, with a processing gas flow rate of 20m³/min, a supply water temperature of Max. 28°C, and a processing gas concentration of 9300 ppm. The absorbent liquid is water, and the designed removal rate is 80-90%. 【Case Study】 ■ Industry of the recipient: Chemical ■ Designed and installed equipment: Isopropyl Alcohol Removal Tower EHCU Series ■ Processing gas flow rate: 20m³/min ■ Target substance for removal: IPA ■ Gas temperature: Max. 35°C ■ Supply water temperature: Max. 28°C ■ Processing gas concentration: 9300 ppm ■ Designed removal rate: 80-90% *For more details, please refer to the PDF document or feel free to contact us.

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[Environmental Equipment Delivery Case] Hydrochloric Acid Recovery Tower (Bubble Column Tower)

[Environmental Equipment Delivery Case] Hydrochloric Acid Recovery Tower (Bubble Column Tower)

Designed to operate within the water supply! Removes inlet hydrochloric acid concentration of 114,444 ppm to an outlet concentration of below 2,289 ppm!

We would like to introduce a case study of the hydrochloric acid recovery tower (bubble column tower) delivered by E-Techno. It is designed in a tray column + packed column format, with a designed recovery concentration and recovery rate of over 18% wt and over 98%. The recovery tower removes hydrochloric acid from an inlet concentration of 114,444 ppm to an outlet concentration of below 2,289 ppm, and it is designed to operate within the feasible water supply based on material balance. 【Case Study】 ■ Industry of delivery: Steel manufacturing ■ Designed and installed equipment: Hydrochloric acid recovery tower (bubble column tower) ■ Tray column + packed column format ■ Designed recovery concentration and recovery rate: over 18% wt and over 98% ■ Gas temperature: Max. 100℃ ■ Designed to operate within the feasible water supply based on material balance *For more details, please refer to the PDF document or feel free to contact us.

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[Environmental Equipment Delivery Case] Pre-cooling Tower + Venturi Scrubber (2)

[Environmental Equipment Delivery Case] Pre-cooling Tower + Venturi Scrubber (2)

The processing gas volume is 4568 Nm3/h! The gas-liquid contact is achieved with water (circulation + supply) for cooling and hydrogen removal!

We would like to introduce a case study of the delivery of a pre-cooling tower and a Venturi scrubber conducted by E-Techno. The processing gas volume is 4568 Nm³/h, with a temperature of 60.4°C, targeting the removal of white pigment dust, reducing particulate matter from 0.2 g/Nm³ to below 0.01 g/Nm³. Gas-liquid contact is achieved using water (circulation + supply) for cooling and removal of hydrogen chloride. Particles in the circulating liquid are precipitated and collected. [Case Study] - Industry of the delivery destination: Chemical - Equipment designed and installed: Pre-cooling tower + Venturi scrubber - Processing gas volume: 4568 Nm³/h - Target removal substance: White pigment dust - Designed removal rate: Particulate matter from 0.2 g/Nm³ to below 0.01 g/Nm³ - Material: Both the main body and the blower are made of SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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