12th Asia-Pacific Eco-Business Forum in Kawasaki

第12回アジア・太平洋エコビジネスフォーラム

Session 2 Improvement of Environment and International Contribution by Companies in Kawasaki City
川崎発企業による環境改善に係る国際貢献について

Realizing Sustainable Water Treatment
by Eco-Friendly Technology of Sand Filtration
持続可能な水処理技術を実現する最先端浄水技術

NIHON GENRYO
Water Treatment Technology

Yasuhiro SAITO
President, NIHON GENRYO Co., Ltd.
18th Feb., 2016, TODOROKI Arena, Kawasaki, JAPAN代表取締役社長 齋藤安弘
日本原料株式会社

Water Sector Eco Technology

1

Copyright  2016 NIHON GENRYO Co., Ltd. All Rights Reserved

Established in 1939.
昭和14年創業NIHON GENRYO was established in 1939. As of today, we
have worked together with the development of Japanese
Water Works for over 75 years. Our Filter Media is adopted
by more than 80% of Water Purification Plants in Japan.
日本原料は1939年に創業したろ過材の専業メーカーです。日本唯一のろ過材メーカーとして戦後の復興から高度経済成長期の浄水場インフラ整備を、全国の水道事業体とともに歩んできました。全国浄水場の80%以上で当社のろ過材をご利用いただいています。

More than 80% of drinking water inJapan pass through our filter media.
Other suppliers

80%NIHON GENRYO

Water Sector Eco Technology

2Copyright  2016 NIHON GENRYO Co., Ltd. All Rights ReservedOutline of Sand Filtration
砂ろ過とはCommon water purification methods!
Sand Filtration is the most common and traditional. Water goes
through the filter media from the top to the bottom. The layer offilter consists of Anthracite, the sand and gravels. The sandfiltration is the most important process in the flow at the water
purification plant.

砂ろ過は最も一般的で昔からある信頼性の高い手法です。アンスラサイトと砂などから構成される「ろ過層」を水が垂直に(重力により)流れることによって水を浄化します。
浄水場のフローの中でも最も重要な工程です。

Filter Layer
Pre-Treated Water
Raw Water
Anthracite

Filter Sand

Anthracite
E.S.:1.2mm
U.C.:<1.3
Filter Sand
E.S.:0.6mm
U.C.:<1.3Water Treatment Flow in Water Purification PlantWater
IntakeFlocculation Sedimentation
Basin
Basin

PurifiedWater
Reservoir

FilterBasin

Distributing
Reservoir

Gravel
4 Layers
Underdrain

Filter Media

Purified Water

Typical Filter Layer

ろ過材

We produce and supply several kinds of Filter Media inconformity with Japan Water Works Association(JWWA)
regulation. We have developed new products, for example,
the sand for manganese remove, color remove and so on.
We propose suitable Filter Media depends on raw water
quality. Certificated ISO 9000’s.

日本原料では日本水道協会(JWWA)の規格に準拠した製品を製造・販売しています。
マンガン除去ろ過材や色度除去ろ過材など新しい製品の開発も行っており、創業以来の長年にわたる経験から原水の水質に見合った水処理を提案しています。

Water Sector Eco Technology

Filter Sand

Filter Gravel

Anthracite(Hongay coal)

New Color CutterLightSpecial ManganeseMedia

Manganese Sand

Activated Carbon

Mesalite

GarnetBiotite monzonite
porphyry

Ion-exchange
Resin

3

Copyright  2016 NIHON GENRYO Co., Ltd. All Rights ReservedEvery purification process needs exchange of filter!

すべてのろ過プロセスではフィルター交換が必要です。
Every kind of filter such as paper, cloth, granular
media and membrane filter is getting dirty.
Therefore, the filter needs to be exchanged afterlog time use. However, this exchange work is
required cost and time.
砂ろ過、膜ろ過、布によるろ過など、すべてのろ過工程では、フィルターは徐々に汚れて目詰まりを起こし、交換しなければなりません。このフィルター交換作業がとても煩わし
く、持続した浄水処理の妨げになっています。
After filtration, it is necessary forthe cloth to be washed to reuse.

Membrane cartridge isexchanged for keeping
its performance.

How Raw (New) sand becomes dirty and clogged?

Filter exchange is required
because the granular filter media
is clogged and fixed bySuspended Solid.

ろ過材が汚れる仕組み

Sand

Raw (New) sand
新砂Sludge accumulated on surface
of sand (Attached sludge)

Sand
Backwashing

付着物が表面を覆ってしまいます

Attached sludge layer
付着物層

Attached sludge is harden firmly
and change to “Hard sludge”.
Sand

強固に覆う凝着物層になり、その周りを付着物層が覆います

Hard sludge layer
凝着物層

DAIRY MAINTENANCE WORK（日々のメンテナンス）
 Backwash (逆流洗浄）
 Surface wash (表面洗浄）
 Air wash （空気洗浄）
DAIRY MAINTENANCE can not remove theattached object perfectly because thesludge is accumulated on the filter media,
little by little.

しかし、このメンテナンスでは洗浄が不十分で、洗浄しきれない濁質が徐々にろ過材を汚染する

The attached sludge harden firmly withchanging them into ”Hard Sludge” layer.

付着物層はやがて強固にろ過材の周りを凝着物層として覆い、その周りに付着物層が形成され、ろ過材の汚染と肥大化が進む

Inside of filter basin

Water Sector Eco Technology4Copyright  2016 NIHON GENRYO Co., Ltd. All Rights ReservedWe developed Eco-friendly Sand Washing Technology to make Filter
Media the best condition.
汚れたろ過材を再生させる洗浄技術

To satisfy the requirement for sustainable water supply, we developed new washing technology without usingchemicals and cleaning agents to make it the same condition as new filter media. The new washing method is
conducted by only water and physical actions. This is evolutional technology.

持続可能な浄水処理のために、今まで廃棄していた汚れたろ過材を化学薬品や洗浄剤などを使用しないで、水と物理の力だけで新砂同様まで洗浄して再利用できる新しい洗浄技術を開発しました。

It is “SIPHON” washing technology
Vertical vortex is created in each sandgrain by gravity and scooping up force.
スパイラルによって掻き上げられる揚力と重力によってろ過材には縦の渦流が発生+

3DVortex
3次元の渦流Horizontal vortex is created in eachsand grain by centrifugal andreturning force after hitting the sideof inner cylinder.

遠心力によってろ過材は外側に向かうが、内壁によって揺り戻され横の渦流が発生==
SIPHON washing machine+

Twin vertical and horizontal vortexes
make sand particles to knead eachother in a three dimensional washingaction縦と横の渦流によってろ過材には複雑な3次元の渦流が発生し、お互いに揉み洗われる

Water Sector Eco Technology

After SIPHONwashing
New sand

Used sandWashed sand bySiphon washing
After conventional washingThis washing technology can wash used-dirty sand in a shorttime perfectly and the particle size does not be changed.
Acquired International Patents 33 countries
短時間でろ過材にこびりついた凝着物層まで剥離洗浄できる。ろ過材同士は同じ硬さ(硬度)であるため汚れだけを剥離して、粒の破砕はない。世界33か国で特許を取得した日本独自の技術。

5Copyright  2016 NIHON GENRYO Co., Ltd. All Rights Reserved

SIPHON WASHING TECHNOLOGYThe Self-washing function built in the tank
シフォン洗浄技術を内蔵した浄水装置

Washing flow
3. Siphon washing

2. Back washing

1. Filtration

4. Back washing

ろ過逆流洗浄シフォン洗浄逆流洗浄

As with conventional filtration
systems, filtration is conductedby down flow with pressure.

Backwashing is first conducted
for a short period of time tofluidize filter media, and thenSiphon Cleaning is conducted.

Filter media is washed bykneading with the upward force
that pushes water and filter
media up from the lower partto the upper part by therotation of the screw and thedownward force generated bygravity.

After Siphon Washing,backwashing is conducted todrain away washing water.
Sludge is completely exfoliatedfrom filter media to which
Siphon Washing was applied, so
sludge can be easily rinsed.

従来のろ過装置と同様に圧力式下向流でろ過を行います。中心部に内筒およびスクリューが配置されていますが、この部分にもろ過材が充填される構造をとっており、ろ過装置全体でろ過がなされます。

逆流洗浄を短時間行い、ろ過材を流動してから、シフォン洗浄を行います。

スクリュー回転により、水とろ過材を下部から上部に押し上げようとする力と重力による力を受け、ろ過材同士がもみ洗いを行います。

Water Sector Eco Technology

6

シフォン洗浄後、逆流洗浄を行い、洗浄水を排水します。シフォン洗浄が施されたろ過材は汚泥分が完全に剥離されているため、すすぐだけで艦隊に汚泥分を除去できます。

Copyright  2016 NIHON GENRYO Co., Ltd. All Rights ReservedValue to Environment by “SIPHON” products

シフォン製品による環境へのメリット

Replacement of filter media is not necessary any more because of the Self-Washing Function
ろ過材交換不要な自己洗浄機能（シフォン洗浄機能）を内蔵(SIPHON WASHING) built in

Permanent TypeMovable Type“SIPHON TANK” can continuously
produce the water with highquality without replacing filter
media. SIPHON TANK is used fordrinking water and water
treatment in industrial area.

MOBILE SIPHON TANK is compact
and unified each device together
such as tank, piping, control panel,chemical dosing pumps and so on.
It can be moved to the site where
the water is needed and makeclear (drinking) water there.

シフォンタンクはろ過材を交換することなく、常に高品質な浄水ができます。ろ過された水は、飲料、工業的に使用できる。

モバイルシフォンタンクは従来の設置型の『シフォンタンク』をコンパクトにしてユニット化し、充実した装備で車載も可能です。常に安定した水質が得られ、ろ過材を交換が不要です。移動が可能で設置後直ぐに給水が可能です。

 Reducing industrial wastes■産業廃棄物の削減

Keeping filter media always clean. No need filter media exchange.
■CO2排出量を削減
 Reducing CO2 emissions in comparison with the conventional sand filtration devices Decrease the amount of backwashing water and electricity consumption for operation. ■逆洗廃水量・電力量の減少

Water Sector Eco Technology

7Copyright  2016 NIHON GENRYO Co., Ltd. All Rights Reserved

Case Studies in Japan and overseas Countries
国内外の導入事例[Sony - Technology Center (in Sendai)][Sumitomo Osaka Cement ][Yazaki Parts]

Type – Siphon Tank/ST-2200
Tank size – 2200 X 2
Quantity of treated water - 40m3/hr
Pretreatment for pure water Process waterType – Siphon Tank/ST-1500
Tank size – 1500
Quantity of treated water - 25m3/hr
Wastewater treatment

Type – Siphon Tank/ST-1500
Tank size –1500
Quantity of treated water - 26m3/hr
Wastewater treatment[Yame City][Miyaji purification plant(in Gero)]Type – Mobile Siphon Tank/MST-1600
Tank size –1600 X 2
Quantity of treated water - 20m3/hr
Drinking waterType – Siphon Tank/ST-900
Tank size – 900
Quantity of treated water - 6.8m3/hr
Drinking water

Water Sector Eco Technology[Private Company in Thailand]
Type – Siphon Tank/ST-1000
Tank size – 1000
Quantity of treated water - 7.8m3/hr
Wastewater (Carbon) treatment

8Copyright  2016 NIHON GENRYO Co., Ltd. All Rights Reserved

Contributing to Environment by Wastewater Treatment
廃水処理による環境への貢献〜 Case of Food Factory 〜 食品工場の場合
We installed “SIPHON TANK” for the wastewater treatment at Food factory
The water treatment plant of this factory is operating for 3 years.
The filter media needs to be exchanged. In case of the exchange offilter media, it costs a lot of money for purchasing new filter media,
exchange work, disposal and so on. Furthermore, the factory issuspend for operation in case of work for filter media exchange.
食品工場は3年前に建設され運転が開始されましたが、すべてのろ過材交換がすでに必要な状況となっていました。
ろ過材交換工事には、新しいろ過材の購入・運搬・搬入費用、使用済みろ過材の搬出・産廃処理費用が必要となります。さらに、工事のために工場の操業の一時停止などの処置も生じてきます。
wastewater treatment
plant

filtration machine of sandand activated carbon

Main of Cause is Scum include oil and fat

Result after installation of “SIPHON TANK”■シフォン洗浄を導入した環境に対する結果

If the wastewater contains oil and fat flow tank, SIPHON TANK canalways operate and keep the filter media clean.
■油脂を含んだ廃水を流してもシフォンならろ過材を洗浄可能

The wastewater include scum flowout from Sedimentation basin

The ScumThe scum is normally settled at the sedimentation basin. The scum
sometimes leaks into the filter basin and It creates a bad effect tothe filter media. This scum includes oil and fat negatively affect tothe filter media.
通常スカムは沈殿池で沈殿しますが、溢れ出たスカムはろ過材に悪影響を及ぼしています。特にこのスカムに含まれる油脂がろ過材にとって問題です。

Water Sector Eco Technology

BeforeAfter

3 years

No NeedTo Exchange Reduction of Industrial waste Reduction of CO2 emissions
 Usage of wastewater treatment9■産業廃棄物の削減■ＣＯ2排出量の削減■廃水処理として利用

Copyright  2016 NIHON GENRYO Co., Ltd. All Rights Reserved

Case studies of Disaster recovery in overseas and domestic
災害復旧事例（国内外）[Huge Typhoon][Earthquake][Earthquake]

Typhoon flooded Miyazaki, 2005.
30,000 households were suspended water supply.
We dispatched 3 MST and recovered WTP.

2008, magnitude 7.2 earthquake occurred in
Iwate and Miyagi. Then we went there andSupplied drinking water with MST.

July, 2008, Magnitude 6.8 earthquake occurredin Northern part of Aomori. We went there andhelped with MST.

[Heavy Raining][Huge Typhoon], PhilippinesRecovery [Heavy Raining], Laos, R.D.P.

Heavy rain hit Fukuoka in 2012.
MST and facilities were immediately installed
and the drinkable water smoothly provided.

Huge typhoon hit Philippines in November, 2013.
We dispatched 7 people to disaster area andinstalled water purification equipment MST.
We started drinking water supply for 20,000 people
there from December 28, 2013.

Heavy raining hit SARANAHN province, of Lao
People’s Democratic Republic, September, 2013.
The truck-mounted MST-700 was dispatched tothe disaster site and provided drinking waterwith 67,579 people by themselves.

Water Sector Eco Technology

10Copyright  2016 NIHON GENRYO Co., Ltd. All Rights Reserved

Prepare for Natural Disasters

自然災害に備えて

Safe drinking water supply at the Natural Disasters by Climate Change
気候変動による自然災害でも安全な水を供給する
Mobile Siphon Tank is easily installed in short period and can cope withthe several kings of raw water with high turbidity, Manganese and Iron.
This units is maintenance free and no need replace filter media.

MSTは、簡単に設置できさまざまな原水に対応します。例えば、高濁度原水や鉄、マンガンを含んだ原水にも対応します。しかもろ過材交換は不要ですか
ら維持管理も簡単です。

Regular OperationEmergency case

A CityB CityRaw
Water

The capacity of treated water can beincreased by two units.

Water purification plant
MST1600: 1600 Dia. x 2 Units for Drinking Water supply
Capacity: 20m3/h/unit (470m3/Day/Unit)

NaturalDisaster

TreatedWater Tank
The Mobile Siphon Tank (MST) is movable. It canbe taken from A City to B City at the natural
disaster. MST is easy to cope with high turbidity,
Manganese and Iron because of the special filter
media. The unit can be installed and operated
smoothly in the limited space through thestrength of the compact design.
The unit does not need the exchange of filter
media. This unit is easy operation andmaintenance free.

Movable Water Supply SystemA City
B CityMove from A City to B City

Water Sector Eco Technology

11Copyright  2016 NIHON GENRYO Co., Ltd. All Rights ReservedNew Idea for filter media from “Disposal” to “Recycle”
意識を 捨てる から リサイクルする へ
New washing technology “SIPHON WASHING” is realized not onlyfor sustainable safe water supply, but also Saving the limited naturalresources (natural mineral) and reducing industrial waste.

最先端の洗浄方法、シフォン洗浄技術は持続可能な浄水処理だけでなく、天然鉱物資源であるろ過材を保全し、廃棄物を削減することも実現します。
[“SIPHON” Product]
We are introducing andexplaining the “SIPHONWASHING TECHNOLOGY” by
MST Unit to the Clients.

[Workshop]
Q & A session and discussion
after introducing ourtechnology and products.

シフォン製品も製品を見てもらいながら、ろ過材洗浄の有用性ついて理解してもらうように努めています。

不明点がないよう質疑応答および、ディスカッションを行います。

[Workshop][Recycle Work]We are explaining the water
treatment technology for sandfiltration and “SIPHON WASHING”

We are introducing “KOUSEI
KOJI(Recycling)” works .

ろ過砂による水処理技術やシフォン洗浄について説明しています。

リサイクル（更生）工事について見てもらいながら説明し、理解してもらいます。

“SIPHON WASHING TECHNOLOGY” creates new ideathat we save the limited natural resources rather than the cost of recycling ！
未だリサイクルの方が高価であるという意識が働いています。日本原料では「限りある資源を大切に使う」ことをシフォン洗浄技術とともに伝えています。

Water Sector Eco Technology

12Copyright  2016 NIHON GENRYO Co., Ltd. All Rights Reserved

Realizing Sustainable Water Treatment
by Eco-Friendly Technology of Sand Filtration
持続可能な水処理技術を実現する最先端浄水技術
12th Asia-Pacific Eco-Business Forum in Kawasaki
第12回アジア・太平洋エコビジネスフォーラム

Thank YouFor

Your Kind Attention.
NIHON GENRYO Co., Ltd.
www.genryo.co.jp

Water Sector Eco Technology

13Copyright  2016 NIHON GENRYO Co., Ltd. All Rights Reserved