Eco-friendly Mobile Sand Filtration 
Device
Nihon Genryo Co., Ltd. has developed a Mobile Siphon Tank (MST) that can produce high-quality filtered water without the need for replacing filter media. This eco-friendly mobile sand filtration device can do this on a consistent basis, providing potable drinking water for industrial use and emergency situations.
It’s all made possible by the patented technology called “Siphon Washing Technology,” which makes twin vertical and horizontal vortices causing sand particles come together in a three-dimensional washing activity. This, in turn, effectively removes a hard sludge layer on the surface of the particles.
MST is also considered to be a compact size unit, which is easy to install in both disaster and construction areas.
Major Features and Advantages
I. Portability
In the event this equipment needs to be used in emergency and disaster areas, the MOBILE SIPHON TANK (MST) can easily be transported, with easy operation. Thus, it can be installed wherever clean water needs to be used, at any time.
II. Small Village Water Supply
MST offers safe and sustainable water to small villages where infrastructure is lacking. It is designed for use in small communities and rural areas.
III. No need for filter media replacement
Filter media can be used on a semi-permanent basis with no need for replacement thanks to Siphon Washing Technology. Disposal of filter media as industrial waste is no longer a concern, as a result. SIPHON TANK is "earth-friendly" filtration device that significantly contributes to a response to ISO14000.
IV. Reduction in backwashed water
The need for backwashing water is drastically reduced, thanks to the process of MST that efficiently takes away suspended substances through Siphon Washing Technology. This means backwashing is only needed for rinsing off those suspended substances, drastically reducing efforts in comparison with traditional sand filtration devices.
V. Zero fixation of filter media
With the use of the MOBILE SIPHON TANK, there is no fixation and the filter media stays clean. When sewage water containing lots of organic matter is treated by conventional filter tanks, filter media can’t filter properly. With this equipment, this is no longer a concern. Media is therefore always kept clean thanks to Siphon Washing Technology, which washes for just one minute each day.
VI. Low CO2 emissions
MST can reduce 10% of CO2 emissions as opposed to conventional sand filtration devices. This is because it does not require disposal of used media, plus it can cut back on the amount of backwashing water and electricity consumption required for operation. MST is certified as “Low CO2 Kawasaki Brand” by Kawasaki-city in Japan, due to its non-polluting zero-emission efforts.
VII. Track Records
Nihon Genryo Co., Ltd. has already used MST in the Philippines and Japan, as well as:
- 3 MSTs in Vietnam
- 6 Truck Mounted MSTs in Laos
1 MST and 1 Truck Mounted MST in the Philippines
Technology Data
Conceivable applications
Our Eco-friendly mobile sand filtration device, so-called ‘MOBILE SIPHON TANK’ (MST), can consistently produce high quality filtered water without replacing filter media. High quality filtered water would be available for drinking, industrial use and emergency.
This is achieved by our patented technology, so-called ‘Siphon Washing Technology’. This technology creates twin vertical and horizontal vortices that cause sand particles to be kneaded each other in a three-dimensional washing action to remove hard sludge layer on the surface of particles.
In addition, MST is designed as a complied device as a compact size unit. Therefore, it is easy to install in disaster and construction areas.
Competitive advantages
1. Movable anywhere and anytime
MST is easy to transport and is simple to operate. Since it is portable unit, it can be installed anywhere and anytime to provide clean water.
2. For small village water supply
MST can supply safe and sustainable water to small villages where water supply infrastructure is not improved enough. Capacity of the device is sufficient for people in villages and rural areas.
3. No need for filter media replacement
Filter media can be used semi-permanently without replacement, because of Siphon Washing Technology. Therefore, there is no need to dispose used filter media as industrial waste. SHIPON TANK is “earth-friendly” filtration device that significantly contributes to a response to ISO14000.
4. Amount of backwashing water can be dramatically reduced
Since MST efficiently removes suspended substances by Siphon Washing Technology and conducts backwashing only for rinsing away the suspended substances, the amount of backwashing water can be significantly reduced, compared with the conventional sand filtration devices.
5. Prevention of fixation of filter media
When sewage and water with high content of organic matters are treated by the conventional filter tanks, filter media usually cannot filter and may stop functioning properly. However, MOBILE SIPHON TANK can prevent the fixation and keep media always in a clean condition by our Siphon Washing Technology (washing is conducted only 1 minute in every single day.
Performance
Siphon Tank, which is embedded in MST, can reduce around 10% of CO2 emissions in comparison with the conventional sand filtration devices, because it does not need to dispose any used media and it also can decrease the amount of backwashing water and electricity consumption for operation. Siphon Tank is certified as “Low CO2 Kawasaki Brand” by Kawasaki-city in Japan, because it has made a major contribution to the realization of non-polluting zero-emission efforts.
Technical maturity / Past record of introduction
After inventing ‘Siphon Washing Technology’ in 1997, it was exhibited in the major foreign exhibitions, such as IFAT in Germany, Aquatech in Nederland, WEFTEC in the US and The Big 5 in UAE.
We joined disaster relief activities with MST in the Philippines and Japan. Also, we have delivered and installed MSTs in the following foreign countries;
3 MSTs in Vietnam
6 Truck Mounted MSTs in Laos
1 MST and 1 Truck Mounted MST in the Philippines
Conceivable risk
The following materials have to be removed in advance, because surface water is preferable as raw water for the device, such as river, spring and lake water.
Agricultural chemicals
Heavy Metals
Fluorine
Sea water
Information on patent related to this technology
“Siphon Washing Technology” has patents in 33 countries.
(Ex: Japanese patent No. 3020452, 3020464, 3919098 and so on)
Company Data
| Name | Nihon Genryo Co., Ltd. | ||
| Address | NKF Kawasaki Bldg 1-2 Higashida-cho, Kawasaki-ku Kawasaki-shi Kanagawa 210-0005 |
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| Capital | 95 million JPY | ||
| Contact person | Overseas Division: Mr. Hiroshi EJIMA Tel +81-44-222-5555 Fax +81-44-222-5556 ejima@genryo.co.jp info@genryo.co.jp |
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| Number of employees | 69 (including 4 staff of Overseas Management Division) | ||
| Date of company foundation | December 19th, 1939 | ||
| The type of business |
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| Overseas offices |
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Modality of business transaction
Partnership
We are looking for business partners which specializes in the field of water treatment and/or assembly.
Export of product
We would like to sell our products directly or through distributors.
Contact Person(s)
*Please mention that you saw UNIDO's website when making the first contact with the company.
Registered Category
- Environmental Technologies : Pollution Prevention and Control