Water & Wastewater Filtration System 
Surface runoff such as grits, small solid waste and sewage from temporary sanitary facilities will produce wastewater. The wastewater usually contains high concentration of suspended solid, BOD, ammonia and E.coli.
In 1998 Waste & Environmental Technologies Ltd. innovate WetSep system, and we have delivered WetSep to 16 different countries including USA, Canada, Singapore and Taiwan.
Advantage
Efficient
-80-88% of suspended solid, oil and grease from the influent are removed in the first stage
-99.5% of suspended solids are removed after the WetSep treatment with effluent suspended solid level ＜30mg/L in the second stage.
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Simple
-Treatment Package of oil filtration, suspended solid removal plus reduction in levels of BOD and COD
-No Power driven mechanical parts, all done by natural gravity
-Simple operation designed for unskilled labour
- Designed for easy transportation and installation
Low Cost
-Low capital and running cost
-Low maintenance cost
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Most of Top 50 global contractors are using the WetSep from Waste & Environmental Technologies Ltd. Firms in blue are one of our clients.
RANK |
FIRM |
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2008 |
2007 |
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| 1 | 1 | VINCI, Rueil-Malmaison, France |
| 2 | 2 | BOUYGUES, Paris, France |
| 3 | 3 | China Railway Group Ltd., Beijing, China |
| 4 | 6 | China Railway Construction Corp., Beijing, China |
| 5 | 4 | HOCHTIEF AG, Essen, Germany |
| 6 | 5 | Grupo ACS, Madrid, Spain |
| 7 | 7 | China State Construction Eng’g Corp., Beijing, China |
| 8 | 10 | China Communications Construction Grp., Beijing, China |
| 9 | 17 | FCC, Fomento de Constr. y Contratas SA, Madrid, Spain |
| 10 | 8 | Skanska AB, Solna, Sweden |
| 11 | 9 | Bechtel, San Francisco, Calif., U.S.A. |
| 12 | 18 | China Metallurgical Group Corp., Beijing, China |
| 13 | 12 | Kajima Corp., Tokyo, Japan |
| 14 | 16 | Obayashi Corp., Tokyo, Japan |
| 15 | 14 | STRABAG SE, Vienna, Austria |
| 16 | 11 | Taisei Corp., Tokyo, Japan |
| 17 | 23 | Balfour Beatty plc, London, U.K. |
| 18 | 20 | Fluor Corp., Irving, Texas, U.S.A. |
| 19 | 22 | Bilfinger Berger AG, Mannheim, Germany |
| 20 | 15 | Shimizu Corp., Tokyo, Japan |
| 21 | ** | Acciona SA, Madrid, Spain |
| 22 | 21 | Royal BAM Group nv, Bunnik, The Netherlands |
| 23 | ** | Saipem, San Donato Milanese, Italy |
| 24 | 19 | Takenaka Corp., Osaka, Japan |
| 25 | 27 | Leighton Holdings Ltd., St. Leonards, NSW, Australia |
| 26 | 25 | TECHNIP, Paris la Defense, France |
| 27 | 24 | Bovis Lend Lease, Millers Point, NSW, Australia |
| 28 | 28 | SACYR Vallehermoso, Madrid, Spain |
| 29 | 30 | Shanghai Constr. (Group) General Co., Shanghai, China |
| 30 | 26 | KBR, Houston, Texas, U.S.A. |
| 31 | 29 | Ferrovial Agroman SA, Madrid, Spain |
| 32 | 35 | Sinohydro Corp., Beijing, China |
| 33 | 31 | GS Engineering & Construction, Seoul, S. Korea |
| 34 | 32 | Daewoo E&C Co. Ltd., Seoul, S. Korea |
| 35 | 34 | Hyundai Engineering & Constr. Co. Ltd., Seoul, S. Korea |
| 36 | 33 | Samsung C&T Corp., Seoul, S. Korea |
| 37 | 36 | Kiewit Corp., Omaha, Neb., U.S.A. |
| 38 | 37 | OHL SA (Obrascon Huarte Lain SA), Madrid, Spain |
| 39 | 41 | Consolidated Contractors Group, Athens, Greece |
| 40 | 47 | Larsen & Toubro Ltd., Mumbai, India |
| 41 | 48 | Chiyoda Corp., Yokohama, Japan |
| 42 | ** | Kinden Corp., Tokyo, Japan |
| 43 | 38 | PCL Construction Enterprises, Edmonton, Alberta, Canada |
| 44 | 49 | Construtora Odebrecht, Sao Paulo, Brazil |
| 45 | 42 | CEGELEC, Nanterre Cedex, France |
| 46 | 59 | Perini Corp., Framingham, Mass., U.S.A. |
| 47 | 39 | Jacobs, Pasadena, Calif., U.S.A. |
| 48 | 58 | McDermott International Inc., Houston, Texas, U.S.A. |
| 49 | 64 | Dongfang Electric Corp., Chengdu, Sichuan, China |
| 50 | 44 | Toda Corp., Tokyo, Japan |
Source: www.ERN.com
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Structure
The
WetSep System consists of two main parts: Part 1 Impinging Stream Reactor| Part 2 Universal Processing Chamber
| Part 1 Impinging Stream Reactor (ISR) | |||
| The first
stage of the filtration process
Separating the influent into its element at this
Primary Treatment Unit The WetSep system in using Impinging Stream Reaction,
it requires no driven motor and makes the processes
ever more simple than before. By precise engineering
of the flow path, flow rate, pressure differential
and analysed data, the treatment can be completed
in one single vessel. The engineering of the WetSep system does not develop only within the design office, but also in hand with the practical experiences, especially the site condition is very much concerned. |
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| Part 2 Universal Processing Chamber (UPC) | ||||||
| The Secondary
Treatment Unit
Treated water is clear and re-usable A choice of corrugated plates, lamella plates or membrance filters can be selected for varies application like: - Laundry
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The WetSep has intrigued many people in its simplicity and effectiveness. In April 2000, the presentation of WetSep system drew a lot of attentions from the expert and profession around the world at the prestigious 8th World Filtration Congress, which is held once every 4 years. More than 10 units has been shipped to Taiwan , 5 units installed for the most challenging project, Pinglin Tunnel, rated at 500cuM/hr.
In Hong Kong the success of WetSep has been a feature in many newspapers and magazines articles. Its achievement shaped it to receive for its outstanding design 1999 CMA Certificate of Merit in Machinery and Equipment Design.
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Worldwide Patent |
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Hong Kong |
1008464 |
PRC |
ZL98245722.7 |
Taiwan |
81808887 |
USA |
09/448,016 |
Japan |
HEI11-331000 |
European |
99122034.4 |
Australia |
59611/99 |
Canada |
2,290,201 |
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Specification
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| Remarks: The WetSep80 system consits of two ISO 20ft container size modules, an ISR within one module and tow Chemical Preparation Tank within another module. |
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