BIODISC®

HIGH PERFORMANCE SEWAGETREATMENT PLANTS FORRESIDENTIAL, BUSINESS& LEISURE APPLICATIONS

Let us help!Free professional

site visit with friendlysupport and advice.helpingyou@klargester.comto make the right decision

or call 01296 633033

2

BioDisc®

Improving environmental standards,more stringent controls, new Europeanguidelines and the introduction of newBuilding Regulations have placed greaterresponsibility on specifiers and users toensure they select the correct treatmentsystem for their application.

Klargester BioDisc® treatment plants havebeen designed to provide an engineeredpackage solution to meet a wide rangeof applications and discharge qualities.

ASSURED PERFORMANCEKlargester’s unique patented ManagedFlow System has been specificallydesigned to maintain optimumperformance despite shock organicloadings and hydraulic surges.The detrimental effects of moderndisinfectants and cleaning materials areminimised by the managed flow system.

COMMERCIAL APPLICATIONSCertain commercial applications, such aspubs, clubs, hotels and industrial units,place additional stresses on thewastewater treatment process.

The sewage strength from the cocktail ofdetergents, cleaners, and chemicalsdemands a greater treatment capacitythan a purely residential application.In such instances Klargester can advise onthe best possible treatment and BioDisc®

can meet your requirements efficiently andcost-effectively.

PROCESS DESIGNBioDisc® uniquely provides four separatetreatment zones within a single vessel.

Primary Settlement Section :Wastewater enters the primary chamber.Solids and heavy particles, includingnon-biodegradable items, settle andconsolidate into a sludge which requiresperiodic removal. Liquid still containingsome solid particles rises upwards into the

Primary Biozone : Discs in this area,rotating at approximately two revolutionsper minute, allow oxygen to be absorbedinto the developing biofilm as naturallyoccurring bacteria attach to the discs.These discs provide a highly beneficialpre-treatment area.

Flow Management Device : Forwardflow is controlled by a baling deviceattached to the rotor assembly and apre-determined volume of partially treatedwaste is transferred into the secondarydisc zone. Incoming flows in excess of thebaling device capacity stay in the primaryarea and it is this that creates hydraulicbalancing within the plant. Zones 1 and 2(as above) between them have a balancingcapacity equal to approximately 25% ofthe design flow of the plant and it is thisfeature that can allow the plant to retain sixhours flow in the event of a power failure.This is now a requirement under thelatest Building Regulations Part H2.

Secondary Disc Zone : Flowsentering this zone are exposed to asecond and separate bank of discs onwhich grow a further matrix of bacteria.Protected from flow variation and harmfulcontaminants, the bacteria efficiently usethe nutrients in the effluent as a foodsource.

The rotation of the discs creates a gentleflow path within both disc zones thatmoves wastewater along the zone androtation also sloughs ageing or surplusbacteria from the discs creating space fornew bacteria to develop.

A key benefit of BioDisc® is that the wholesurface area is continually regeneratedwith new biological growth and that thereis constant replenishment as all spentbacteria are flushed into the finalsettlement zone.

It is often the case with submerged orfixed media treatment processes, that thebiological zones become clogged withdead or excessive biological growth,inhibiting treatment and demandingexpensive and dirty maintenance.

The Klargester BioDisc® utilises proven rotating biologicalcontactor (RBC) technology, and this range of largerBioDisc® treatment plants enables Klargester to offersolutions against a much wider range of applications.

All Klargester treatment plants are delivered direct to siteand ready to install. The process is self-establishing,and does not require the addition of cultures orchemicals.

1

2

3

4

Get in touch for a FREEprofessional site visit and a

representative will contact youwithin 5 working days to

arrange a visit.helpingyou@klargester.comto make the right decision

or call 01296 633033

3

Final Settlement Zone : The almostfully treated effluent, is displaced from thedisc area into the final settlement zone.The final settlement zone is fitted with asimple sludge return pump that transfersthe settled material from the base of thiszone into the primary settlement zone.This improves process performance byprotecting the outlet and returning diluteand active biomass into the primary tank.This feature can be modified for seasonalflow variations.

The final effluent, free from solids andpollutants, exists through the outlet pipe.

PROCESS FEATURES� Klargester Patented Flow Management

(KPFM)

� No process maintenance required

� Simple mechanics

� Self generating bacteriological process

� KPFM provides the capability to adjustplant performance

� Compliance with BS EN 12566-3(BioDisc® BE-BF units only), BS 6297and Building Regulations Part H2

� Sludge return pump in final settlementtank to enhance performance. Sludgereturn can be configured to helpovercome seasonal flow variations

� No odour or environmental nuisance

� Silent in operation

5

2

1

3

4

Two-part rotor*

Inlet

Monocoque casing

Sludge return pum

OutletDirect

Klargester Patented FlowManagement deviceCover

* BioDisc® BH-BL only.

Flexible shaftcoupling*

5

4

Consistent Effluent QualityThese plant are designed to achieve aneffluent quality of 20mg/l BOD, 30mg/lSuspended Solids and 20mg/l Ammoniaon a 95% basis. These BioDisc® can alsobe configured to produce better standardsof effluent quality with Ammonia levels aslow as 5mg/l being achievable. ContactKlargester for design support and furtherinformation.

� The systems are designed todeal with flows up to 3xDWF.

� Applications where commercial cateringtakes place will generate significantvolumes of grease which should not beallowed to enter any treatment system.

� Klargester manufacture a wide range ofgrease traps and their specialist adviceshould be sought in these types ofapplications.

� The treatment of sewage fromapplications other than domestichousing can often demand specialprecautions, therefore specialist adviceshould be sought from Klargester.

UNIT SIZE BD BE BF BG BH BJ BK BL

MAXIMUM DAILY BOD (kg) 1.5 2.1 3.0 4.2 4.5 6.0 7.5 9.0

MAXIMUM DAILY FLOW (m3) 5 7 10 14 15 20 25 30

D LENGTH (mm) 3,340 3,340 4,345 5,235 7,755 7,755 7,755 7,755

WIDTH (mm) 2,450 2,450 2,450 2,450 2,455 2,455 2,455 2,455

E INLET INVERT DEPTH (mm) 600* 600 600 600 600 600 600 600

L DEPTH BELOW INLET INVERT (mm) 1,820 1,825 1,820 1,820 1,790 1,790 1,790 1,790

F OUTLET INVERT DEPTH (mm) 685 685 700 700 750 750 750 750

G OVERALL HEIGHT (mm) 2,825 2,825 2,825 2,875 2,830 2,830 2,830 2,830

H HEIGHT TO RIM OF COVER (mm) 2,485 2,485 2,485 2,485 2,500 2,500 2,500 2,500

EMPTY WEIGHT (kg) 1,100 1,200 1,315 1,660 3,000 3,100 3,200 3,300

STANDARD POWER SUPPLY 1 PHASE 1 PHASE 1 PHASE 1 PHASE 3 PHASE 3 PHASE 3 PHASE 3 PHASE

OPTIONAL POWER SUPPLY 3 PHASE 3 PHASE 3 PHASE 3 PHASE 1 PHASE 1 PHASE 1 PHASE 1 PHASE

MOTOR RATING: 1 PHASE/3 PHASE (watts) 75/60 75/60 120 180 250 250 370 370

FULL LOAD CURRENT 1 PHASE (amps) 1.10 1.10 1.26 1.70 1.95 1.95 2.35 2.35

FULL LOAD CURRENT 3 PHASE (amps) .035 0.35 0.42 0.63 0.88 0.88 1.35 1.35

SLUDGE RETURN PUMP RATING (watts) - - - 250 480 480 480 480

*Optional invert depth of 1,100mm is available.

Please refer to Klargester for specialist advice for applicationswhere primary settlement tanks or pump stations may be required.

Note: Illustration is a schematic, do not use for installation. Refer to customerdrawings for true pipework orientation.

The loadings given in the chart below are representative of typical domestichousing applications. The sizing of sewage treatment plant requires specialisedknowledge and experience. Please consult Klargester for an assessment of yourapplication.

G.L. = Ground Level

GL

H G

D

E

L

F

STANDARD BIODISC® SINGLE PIECE SYSTEM

Safety platformmp*

drive motor*

EFFLUENT PUMPSETSA septic tank or treatment systempumpset can be used to disperse settledeffluent when a site has a high water tableor adverse invert levels. Installed after thetreatment system and pumping settledeffluent up to an inspection chamber,flow to the drainage system then takesplace by gravity in the normal way.

SAMPLE CHAMBERSWhen a treatment plant discharges, it is aregulatory requirement to have a samplingpoint so that the effluent quality can beperiodically checked by regulatory bodies.

Available to suit all outlet depths of ourstandard ranges, a Klargester samplechamber provides the solution, enablingboth quick installation and easy access foraccurate and convenient effluent testing.

SAFETY FEATURES� Low profile lockable covers

� Fully removable covers to easemaintenance, simplify de-sludging andprovide a safe working environmentwithout the need for restricted accessprovision, a requirement of the ConfinedSpaces Regulations 1997

� Full platform access to motor andbearings

� Secure lockable control panel

� Integrated loss of rotation alarm(optional on BD-BG, standard onBH-BL)

CONTROL PANELThe plant are supplied with either a singlephase or a three phase direct drive motorand come complete with a control paneland feature:

� inversion device included withinthe panel*

� single phase power supply to thepanel converted within the panel tothree phase prior to connection tothe drive motor

LOW OPERATING COSTBioDisc® has proven track record for highquality performance, reliability and lowoperational costs and the new rangeincorporates features that further enhancethat reputation:

� designed to run from either a singlephase or 3 phase power source

� require 60 to 370 watt motors, offeringthe lowest running costs of any plant intheir class

DIRECT DRIVEThe disc assembly rotates through thesewage effluent and supports the growthof a biological matrix. When fully loadedwith saturated bacteria the disc assemblybecomes heavy, therefore both drive androtor design are critical. Klargester havemany years experience in this field andthese new products provide a number ofnew features:

� direct drive motor which is fixed directlyto the disc shaft*

� no requirement for chain or belt drive**

� reduced and simplified maintenance

TWO-PART SHAFTA two-part shaft has been incorporated tosimplify maintenance and reduce bearingwear. The new Klargester two-part shaftassembly:

� supports the rotor in four places ratherthan two

� significantly reduces the load and wearon the shaft and bearings

� features bearings selected for long life

� features bearings fitted with automaticgrease capsules that only requireannual replacement

� simplifies installation by reducingpotential drive alignment and bearingwear problems sometimes associatedwith long single shaft motors

ROTOR DESIGNNew range includes the well establishedKlargester rotor design which:

� is compact and structurally sound

� is designed and built for long lifewithout the need for rotor maintenanceoften associated with sectional boltedrotor assemblies

MONOCOQUE CASINGAll BioDisc® in this range utilise the samecasing, providing:

� lightweight, yet robust and structurallystrong GRP construction for easy on-site handling

� steel cradle integrated into the casingprovides stable platform for mechanicalcomponents

� factory pre-engineered to exactingKlargester standards, ensuringconsistent high quality and eliminatingon-site assembly

� full length ports providing quick andeasy access for desludging

� 600mm invert depth, with only 150mmhead loss through the plant

� variable desludging/emptying cycles

* BioDisc® BH-BL only.

**BioDisc® BH-BL only.Chain drive on BioDisc® BD-BG.

CONTROL PANEL SAMPLE CHAMBERS

COMMERCIAL WASTEWATER SOLUTIONS� BIODISC®, BIOTEC™ & ENVIROSAFEHIGH PERFORMANCE SEWAGE TREATMENT SYSTEMS

� HILLMASTER PACKAGE PUMP STATIONS

� PUMPSTOR24 PUMPING SYSTEMS

� STORMWATER ATTENUATION SYSTEMS

� OIL/WATER SEPARATORS

� BELOW GROUND STORAGE TANKS

� GREASE & SILT TRAPS

NEW BUILD & RETROFIT SOLUTIONS� BELOW GROUND RAINWATER HARVESTING SYSTEMS

� ABOVE GROUND RAINWATER HARVESTING SYSTEMS

KlargesterUK: College Road North, Aston Clinton, Aylesbury, Buckinghamshire HP22 5EW

Tel: +44 (0) 1296 633000 Fax: +44 (0) 1296 633001 Scottish Office: Tel: +44 (0) 1355 248484email: info@klargester.com

Ireland: Unit 1a, Derryboy Road, Carnbane Business Park, Newry, Co. Down BT35 6QH

NI Tel : +44 (0) 28 302 66799 Fax: +44 (0) 28 302 60046 ROI Tel: 048 302 66799 Fax: 048 302 60046email: info@klargester.ie

Visit our website www.klargester.com, or our company website www.kingspanenv.com

In keeping with Company policy of continuing research and development and in order to offer our clients the most advanced products,Kingspan Environmental reserves the right to alter specifications and drawings without prior notice.

Part of

PROFESSIONAL INSTALLERSKlargester Accredited InstallersExperience shows that correct installationis a prerequisite for the long-lasting andsuccessful operation of any wastewatertreatment product. This is why using aninstaller with the experience and expertiseto install your product is highly recommended.

Services include :

� Site survey to establish ground conditions and soil types� Advice on system design and product selection� Assistance on gaining environmental consents and

building approvals� Tank and drainage system installation� Connection to discharge point and electrical networks� Waste emptying and disposal

Discover more about the Accredited Installers and locateyour local expert online.

www.klargester.com/installers

CARE & MAINTENANCEKingspan Environmental ServicesWho better to look after your treatmentplant than the people who designed andbuilt it?

Kingspan Environmental have a dedicatedservice division providing maintenance forwastewater products.

Factory trained engineers are available for site visits aspart of a planned maintenance contract or on a one-offcall out basis.

To find out more about protectingyour investment and ensuringpeace of mind, call us on:

0844 846 0500

or visit us online:www.kingspanenvservice.com

Issue No. 10: April 2013