Liqui-Cel® Membrane Contactors

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Liquid Deaeration for Corrosion Control and Reduced Chemical Usage

Liqui-Cel® membrane contactors have been used for over 20 years to remove dissolved gases from liquids or add gases to liquids. These deaeration devices are capable of removing O2 to < 1ppb and CO2 to < 1ppm. Liqui-Cel® liquid degassers are designed to tolerate high pressures/temperatures and are capable of processing flow rates from 5ml/min to hundreds of m³/hr.

Address
Membranes Business Unit,
13840 South Lakes Dr.,
Charlotte,
NC 28273,
United States of America
Phone
Fax Number

Liqui-Cel® membrane contactors have been used for over 20 years to remove dissolved gases from liquids or add gases to liquids. These deaeration devices are capable of removing O2 to < 1ppb and CO2 to < 1ppm. Liqui-Cel® liquid degassers are designed to tolerate high pressures/temperatures and are capable of processing flow rates from 5ml/min to hundreds of m³/hr.

Dissolved gas removal for corrosion control

In the power-generation industry, limiting the amount of dissolved O2 and CO2 that enters a plant is essential to protect costly systems and components, such as boilers and piping. These components are vulnerable to corrosion because of dissolved gasses that are carried in through the feed water.

Dissolved gas removal with membrane contactors

In order to protect many metal systems’ components in the plant, dissolved oxygen and carbon dioxide that can negatively impact boiler performance and corrode metal must be removed.

Liquid degassing equipment

Liquid degassing can be accomplished using various methods, including chemical injection, vacuum towers, and/or forced draft deaerators, but these older technologies do not provide the same level of dissolved gas control. A typical vacuum tower can only achieve oxygen removal down to 7ppb, whereas Liqui-Cel® can remove down to < 1ppb.

6in boiler feedwater degassing system.
14in degassing system.
Liqui-Cel&#174; membrane contactors can remove or add gases to liquids.
Liqui-Cel® membrane contactor devices.

The amount of CO2 removed by a typical forced-draft deaerator is typically 10ppm, which is much less than membrane contactors can achieve. Membrane contactor systems can be sized to remove dissolved CO2 down to 1ppm. Liqui-Cel® contactors are compact, efficient and more economical to operate.

Membrane degasifiers

Chemical injection does not use the large footprint of a vacuum tower or forced-draft deaerator, but has its own set of problems. The use of chemicals will, over time, place excess deposits on the metal surfaces in the boiler and piping throughout the plant. As deposits accumulate, the boiler has to be shut down for cleaning; this process is known as a blow down. Using more chemicals causes more frequent blow down schedules, resulting in higher operating costs.

All these problems can be easily remedied by using Liqui-Cel® membrane degasifiers, which have been field proven for over 20 years.

Gas removal and addition deaerators

Liqui-Cel® deaerators are used in many other applications. Most liquids that need gasses removed or added can benefit from a Liqui-Cel® membrane contactor system.

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Address
3M Industrial Business Group
Membranes Business Unit
13840 South Lakes Dr.
Charlotte
NC 28273
United States of America

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Fax Number
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Europe
Membrana GmbH
Oehder Strasse 28
42289 Wuppertal
Germany

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Address
Membrana – Japan
Polypore K.K.
Shinjuku Mitsui Building, 27F
1-1, Nishishinjuku 2-chome
Tokyo
163-0427
Japan

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Shanghai Memtech Co.,Ltd
RM 402, Building 18, No. 633
Wuzhong Road
Shanghai
201103
China

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EverGreen Technolgies Pvt. Ltd
3-D Maker Bhavan No 2
18 New Marine Lines
Mumbai 400 202
Maharashtra
India

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Malaysia

Reichwelt Sdn Bhd
No. 19, 2nd Floor, Pusat Perniagaan Alma, Jalan Perniagaan
Alma, 14 000 Bukit Mertajam
Pulau Pinang
Malaysia

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Separation Technology and Materials
STM (New Zealand) Ltd
ABN 39 079 864 828
PO Box 8890 - Havelock North 4157
Hawkes Bay
New Zealand

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Q-Trade Corporation
Lot 7 A-2 Sonner Farm Compound
Brgy. Timbao, Binan, Laguna 4024
Philippines

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MEMCON (Pty) Ltd
58 Concorde Road East, Bedfordview, 2007
PO Box 1137, Bedfordview, 2008
Johannesburg
South Africa

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MEMLi
14F, No. 1, Long-An Road
221 ROC Taipei County
XiZhi City
Taiwan

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Sriarayathep Co., Ltd
399/75 Prachachuen Road
Jatujak, Bangkok 10900
Thailand

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ÖKOTEK Çevre Teknolojisi ve Kimya Sanayi Limited Şirketi
Deposite Is Merkezi A1 Blok Kat 3 No:314
Ikitelli OSB 34306
Istanbul
Turkey

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