Dow RO Membrane

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If you are going to consult the information about dow ro membrane, dow ro membrane bw30-400 from a such factory in China, Guangzhou Jieming Water Treatment Equipment Co.,Ltd is always at your service.

Dow RO membrane

In 1897 established in the United States the dow chemical company is a science and technology of transnational companies, mainly give priority to development and production series chemical products, plastic products, and its products and viz., widely used in construction, water purification, papermaking, drugs, traffic, food and food packaging, household and personal care, etc. Our business includes 180 countries and regions, 4.6 million employees worldwide in 2003, the total sales amounting to $33 billion, up more than 3,500 product type.

As of the industry leading chemical enterprise, dow conscious of the importance of sustainable development, know the knowledge of science and technology is the core of the human society sustainable development, therefore dow chemical over the years has been will sustainable development strategy into the enterprise culture. In 2001, on the global most authoritative dow Jones global sustainable development index synthetic evaluation, dow won the global sustainable development HuaGongJie "2001 leader" title, 2002, in the world's largest 2,500 home global chemical enterprise to the fore, selected as the leading global chemical company.

Dow in China development brief

In 1897, Dow Chemical (Dow Chemical, hereinafter referred to as the "Dow) company was established in the United States, and gradually developed for a with science and technology to grow perceptibly, a global leading large multinational enterprises.

In the 1930s, dow in China after years of business, have established representative offices.

In 1998, the dow China investment Co., LTD. Was founded in salary adjustment, staff development plans and so on various aspects sharing dow global uniform platform.

In 2004, dow established in Shanghai in the greater China region headquarters, in greater China, business office development to five, the production base development to 11, the staff of nearly 1,400 people.

In December 2004, dow and China's largest coal enterprise shenhua group signed collaboration, both on coal to olefin project feasibility study, research is underway.

In August 2005, dow announced in Shanghai zhangjiang hi-tech park establishes first dow center, covers an area of more than 65,000 square meters. New dow center will include a state-of-the-art r&d center and a global information technology center.

In 2006, dow global sales of $46 billion us dollars in fortune global 500 ranked 114 bits, clients around 175 countries. Dow in the greater China region sales amounting to $2.3 billion, the greater China region has become the dow's third-largest market, behind the United States and Germany.

In 2007, the acquisition of zhejiang euramerican environmental engineering Co., LTD, will enable dow in water treatment field, three key components of new technology: ultrafiltration, membrane bioreactor and continuous electro-deionization. In the meantime, also make dow can in the Chinese market will expand beyond system manufacturing.

Dow chemical liquid separation department

Dow chemical liquid separation department provides FILMTECTM reverse osmosis membrane and DOWEX ™ ion exchange resin, it can satisfy the global scope of water treatment and special separation application requirement, involving industrial field in pharmaceutical, chemical, chemical process, mineral exploitation, catalytic reaction process, sugar, beverage and dairy products processing and other wide areas.

Dow chemical company is a leading global enterprise, in science and technology, is famous for each main consumption market offer innovative chemicals, plastics, thechemical product and the service, the total sales of $49 billion. Dow's customers all over the world more than 175 countries, servesmany markets, including food, transport, health and medicine, individual and home care, construction and the project and so on, all of the human life is developing very important segment. Dow in 2004 fortune global 500 ranked 104 bits, wealth across the 500 ranking 34th.

Early in the 1930s, dow already through agents conduct in the greater China region of business. Dow Hong Kong and Taiwan offices respectively in 1957 and 1968 established. 1979, with China's reform and opening, dow in guangzhou formal establishment in China's first business office. Today, the dow in the greater China region in Beijing, Shanghai, guangzhou, Hong Kong or Taiwan has 5 representative offices. Dow chemical (China) investment Co., LTD, established in 1998, was responsible for the management of all investment projects in China dow. In August, 2004, Shanghai officially became dow greater China headquarters.

Dow and actively in the greater China region, expanding manufacturing base. Dow currently in zhangjiagang, ningbo, zhongshan, NaGang and tsing yi, and has 10 production factories and joint ventures.

Through years of economic and trade cooperation, dow from customers, distributors and zone and governments at all levels and the relevant units established the close contact. In China and global market, dow's goal is to grasp the business needs, keep abreast of the market change and to provide comprehensive solutions.

Dow and global 43,000 employees believe that the principle of sustainable development, in promoting economic growth, and to protect the environment and contribute to our society. Dow public commitment to support by chemical industry spontaneous advocated "the Responsible Care" (®), with responsibility to realize the safe disposal of chemicals. Since 2000, dow were the dow Jones global sustainable development index as globalization "sustainable development of industry leader".

The U.S. dow RO semipermeable film components

Freshwater membrane element models

Md film component model

Seawater desalination membrane element models

TW30-2521/300GPD

BW30-2521/250GPD

SW30-2521/200GPD

TW30-2540/750GPD

BW30-2540/750GPD

SW30-2540/540GPD

TW30-4040/2200GPD

BW30-4040/2200GPD

SW30-4040/1500GPD

TW30-8040/9500GPD

BW30-400/10500GPD

SW30-8040/6000GPD

Using pressure:225PSi

Using pressure:225PSi

Using pressure:800PSi

Desalination rate:99.5%

Desalination rate:99.5%

Desalination rate:99.6%

Test condition:2000ppm

Test condition:15000ppm

Test condition:35000ppm

Residential/Home Drinking Water Elements

Model No.


Permeate

     Flow Rate (GPD)

Test Pressure (psig)

Stabilized Rejection

TW30-1812-24

24

50

98%


TW30-1812-36

36

50

98%


TW30-1812-50

50

50

98%


TW30-1812-75

75

50

98%


TW30-1812-100

100

50

90%


Commercial RO Elements

Model No.

Permeate

     Flow Rate* (GPD)

Test Pressure

     (psig)

Size

     (Dia."xLength")

Stabilized Rejection*

Specification Sheets**

TW30-2026

220

225

2"?6"

99.0%


TW30-2514

200

225

2.5"?4"

99.0%


TW30-2521

325

225

2.5"?1"

99.0%


XLE-2521

365

100

2.5"?1"

99.0%


TW30HP-2526

600

225

2.5"?6"

99.0%


TW30-2540

850

225

2.5"?0"

99.5%


LP-2540

850

145

2.5"?0"

99.2%


XLE-2540

850

100

2.5"?0"

99.0%


TW30-4014

525

225

4"?4"

99.0%


TW30-4021

900

225

4"?1"

99.0%


XLE-4021

1,025

100

4"?1"

99.0%


TW30-4040

2,400

225

4"?0"

99.5%


LP-4040

2,700

145

4"?0"

99.2%


XLE-4040

2,600

100

4"?0"

99.0%


Industrial RO Elements

Model No.

Permeate

     Flow Rate* (GPD)

Test Pressure

     (psig)

Size

     (Dia."xLength")

Stabilized Rejection*

Specification Sheets***

BW30-4040

2,400

225

4"?0"

99.5%


BW30-365

9,500

225

8"?0"

99.5%


BW30-400

10,500

225

8"?0"

99.5%


BW30-400/34i**

10,500

225

8"?0"

99.5%


BW30-440i**

11,500

225

8"?0"

99.5%



Model No.

Permeate

     Flow Rate* (GPD)

Test Pressure

     (psig)

Size

     (Dia."xLength")

Stabilized Rejection*

Specification Sheets**

SW30-2514

150

800

2.5"?4"

99.75%


SW30-2521

300

800

2.5"?1"

99.4%


SW30-2540

700

800

2.5"?0"

99.4%


SW30-4021

800

800

4"?1"

99.4%


SW30-4040

1,950

800

4"?0"

99.4%


SW30HRLE-4040

1,550

800

4"?0"

99.4%


Dow FILMTEC BW30-400FR membrane

Dow FILMTEC? BW30-400FR membrane element adopted dow proprietary fights pollution membrane technology for chemical and physical modification, especially for have a strict pretreatment, but still rich in biological and organic raw water pollutants such as the application area, it showed excellent resistance to pollution ability and can be cleaned characteristics. It is BW30-365FR products FILMTEC dow outspread, BW30-365FR has worldwide the massive customers use showed excellent fight pollution can force and system running economy. BW30-400FR has the following features:

, high effective membrane area (400 ft 2), in not improve operating flux, under the precondition of higher produce a water yield,

The desalination rate, high FILMTEC RO membrane is the world wide range of cleaning pH (pH1 ~ 12) components, able to scale, organic and inorganic microbial real now effectively clean;

, full automatic, accurate manufacturing technology, using to shorten the length, increase the diaphragm membrane leaf number of advanced structure, lower overall pollution levels, maximize the membrane efficiency.

These features user and operators in the treatment of high water polluted by RO when achieve long-term economy and the biggest trouble-free operation.

Product specifications

Product name

Product Numbers

Effective membrane areaft 2 (m 2 )

Working pressurepsi (bar)

Water production quantitygpd (m 3 /d)

Stable desalination rateCl - %

BW30-400-FR

202681

400 (37)

225 ( 15.5 )

10,500 (40)

99.5


1. Produce a water yield and desalination rate is based on test conditions: 2000ppm NaCl, pressure as listed in the above table, 25oC, pH = 8, 15% recovery. 

2. Single components produce a water yield may change, but not less than the above table values of 7 percent. 

3. Single component minimum desalination rate 98.0%. 

4. Performance standard with product improvements will slightly change. 5. Inlet port thickness is 28 dense ears.

Product name

Shape dimension - inch (mm)

A

B

C

BW30-400FR

40.0 (1016)

1.125 (29)

7.9 (201)

1 design multi-element system, please refer to the FilmTec design guidelines, and according to the water types follow the corresponding recovery limit. 1 inch = 25.4 millimeters

2. Nominal diameter components with 8 inch (203mm) pressure vessel.

Operating limit

Membrane type............ Polyamide composite membrane

Set-point temperature............ 45 o C (113 o F)

The highest working pressure......... 600psi (41bar)

Maximum differential pressure............ 15psi (bar) 1.0,

Continuous running pH range - a............ 2-11

Short-term cleaning pH range (30 minutes) b............ 1-12

Maximum water flow............ 85gpm (19m 3 / h)

Maximum water pollution index............ SDI 5

Turbidity maximum water............... 1NTU

Free chlorine tolerate quantity c............   0.1 PPM

A10, when the pH of the highest temperature for continuous operation 35oC (95oF); C under certain conditions, water containing free of chlorine and other antioxidants can cause serious damage, due to the membrane oxidative damage does not belong to product warranty scope, FilmTec recommended in terms of pretreatment removed from the film before the residual chlorine free.

Dow FILMTEC BW30-365FR fights pollution reverse osmosis element

With reverse osmosis technology been widely accepted, its appli, , , , cation in expanded to many areas, including for high microbial pollution plugging sex of water. In order to improve the reverse osmosis element in high microbial pollution plugging conditions of performance, dow to use the patent technology FT30 film chemical and physical modification, developed FR series fights pollution membrane element. FILMTEC BW30-365FR applies both to drinking water also applies to a non-potable industries. This element also adopted the FilmTec company "shorten diaphragm length, increase membrane leaf number" the unique element structure, not only in produce a water yield but also in can be cleaned sexually, all has the excellence of high efficiency. BW30-365FR effective membrane area with 365 square feet, standard test conditions produce a water yield 36m 3 / d (9500gfd). Use FR components, users can be only less component reaches the design produce a water yield. So that the system is more compact, reduce the system accessories and installation charge. BW30-365FR and BW 30-365 of produce a water yield and desalination rate are the same. Therefore, in the reconstruction, use BW30-365FR replacement BW30-365 components can reduce dirt plugging, drop low system system pressure and prolong the service life of membrane element.

Product specifications

Product name

Product Numbers

Effective membrane areaft 2 (m 2 )

Produce a water yieldgpd (m 3 /d)

Stable desalination rateCl - %


BW30 - 365FR

174961/174962

365 (34)

9500 (36)

99.5


  1. Produce a water yield and desalination rate is based on test conditions: 2000ppm NaCl, 225psi (1.55 MPa), 25oC, pH = 8, 15% recovery.

2. Single components produce a water yield may change, but not less than the above table values of 7 percent. 

3. Single component minimum desalination rate 98.0%.
4. 34mil water channel is more advantageous to the components of the thorough cleaning.

Product name

Single element

     recovery %

Shape dimension - inch (mm)


A


B


C

BW30-365FR

15

40.0 (1016)

1.125 (29)

7.9 (201)

1 design multi-element system, please refer to the FilmTec desig

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