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Wash & Waste Water Treatment

Activated Sludge Sewage Treatment Pilot Plant

Model No: TR04

Description:

This Activated Sludge Sewage Treatment Pilot Plant is designed to demonstrate operation of sewage treatment by activated sludge.

This unit consists of:

  • Feed tank – 150 L cylindrical vessel made of polypropylene comes with agitator
  • Reactor – 30 L cylindrical vessel made of clear acrylic comes with agitator and air diffuser
  • Settling tank – 30 L cylindrical vessel made of clear acrylic
  • Collection tank – 50 L rectangular vessel made of polypropylene
  • Feed & recycle pump – peristaltic type

Instruments & control:

  • Flow rate measurement of the feed
  • Measurement and control for temperature, pH and dissolved O2 of the liquid in reactor
  • Flow rate measurement of air into reactor
  • Flow rate measurement of sludge recycle into reactor
  • Timer based control for sludge recycle and discharge

Experimental capabilities:

  • Operation of activated sludge sewage treatment plant
  • Effects of various parameters on performance of activated sludge treatment process

Aeration Apparatus

Model No: TR06

Description:

This Aeration Apparatus is designed to demonstrate the basics of aeration process, which involves the transfer of oxygen from atmosphere into a body of water.

This unit consists of:

  • Aeration tank – 30 L, made of clear acrylic
  • Stirrer system – digital display for motor speed, ss paddle impeller
  • Air supply system – an air pump, rotameter and a set of diffusers (bar stone, single ball stone and three ball stone)
  • DO meter – range 0.00 to 45.00 mg/L of O2
  • Flow meter – range 0 to 20 LPM

Experimental capabilities:

  • Effects of these parameters on the aeration process:

– Water depth and composition

– Design and arrangement of diffusers

– Rate of air supply

– Stirrer speed

Aerobic Digester Unit

Model No: TR28

Description:

This Aerobic Digester unit is designed to study effects of various process parameters on performance of aerobic digester.

This unit consists of:

  • Feed pump – manually calibrated peristaltic pump
  • Reactor vessel – 10L vessel made of glass
  • Reactor heater – electrical immersion type
  • Dissolved oxygen meter and pH meter
  • Temperature controller

Experimental capabilities:

  • Acclimation of a completely mixed biological reactor
  • Measurement of COD and MLSS changes as criteria of performance
  • Establishing the stoichiometry and kinetics of aerobic biological processes
  • Gas/liquid mass transfer and residence time distributions
  • Effect of inflow substrate concentration (‘loading rate’), liquid flow rate and reactor volume (‘detention time’), air flow rate, temperature, pH stability and nutrients deficiency, on effluent quality

Anaerobic Digester

Model No: TR26

Description:

This Anaerobic Digester is designed to study effects of various process parameters on performance of anaerobic digestion process for waste water treatment.

This unit consists of:

  • Reactors – two 5L vessels made of glass
  • Reactor packing – bio-balls
  • Temperature control – heating jacket with PID control for both reactors
  • Feed pumps – two peristaltic pumps
  • Gas collection vessels – two 0.5L vessels made of clear acrylic

Experimental capabilities:

  • Preparation, warming and acclimation of an anaerobic reactor
  • Demonstration of multistage nature of anaerobic digestion
  • Undertaking carbon balances.
  • Effects of hydraulic loading, feed ratios, temperature, nutrient
    deficiency and influent strength

Batch Settling Filtration Column

Model No: TR15

Description:

This Batch Settling Filtration Column is designed to demonstrate basic principle of granular filtration.

This unit consists of:

  • Filtration column
  • Effluent tank
  • Feed tank
  • Flow meter
  • Pressure drop measurement

Experimental capabilities:

  • Effect of filtration run on total head loss
  • Pressure drops against bed height
  • Suspension concentration against bed height
  • Fluidization study
  • Backwashing

Corrosion Study Kits

Model No: BP01

Description:

This Corrosion Study Kits is designed to demonstrate the science of corrosion in industrial processes.

This unit consists of:

  • Eight test cells made of glass with specially machined lids enabling samples to be mounted
  • Test specimen pieces of steel, zinc, brass and copper
  • Air pump
  • pH meter and electrode
  • Low voltage supply

Experimental capabilities:

  • Effect of pH and DO concentration on corrosion rate
  • Study of galvanic action, cathodic protection, electrolytic corrosion and chemical inhibition

Deep Bed Filtration Unit

Model No: TR13

Description:

This Deep Bed Filtration Unit is designed to demonstrate the operations of a pilot scale granular filter.

This unit consists of:

  • Filtration column
  • Sump tanks
  • Pump service system
  • Flow meter

Experimental capabilities:

  • Effect of filtration run on total head loss
  • Pressure drop against bed height
  • Suspension concentration against bed height
  • Fluidization study
  • Backwashing
  • Column readily adapted for adsorption and ion-exchanger studies

Filterability Index Unit

Model No: TR05

Description:

This Filterability Index Unit is designed to demonstrate water quality test and water quality test procedure for filtration of a suspension.

This unit consists of:

  • Test module – made of PVC, inlet, outlet and manometer connections – Test module contains the filter media (sand, etc.)
  • Vessel – 1.5-L made of PVC, conical in shape
  • Accessories: digital balance, stop watch, measuring cylinder
  • Liquid flow meter – range 0 to 500 ml/min
  • Manometer – 0 to 500 mm of water

Experimental capabilities:

  • Principle of filtration.
  • Water quality test procedure for filtration
  • Determination of filterability of a given suspension

Flocculation Test Unit

Model No: TR10

Description:

This Flocculation Test Unit is designed to demonstrate basic principles of coagulation and flocculation.

This unit consists of:

  • Vessels – 1000 ml cylindrical vessel made of borosilicate glass
  • Stirrers – 250 rpm range with digital display and stainless steel shaft and blade
  • Speed sensor with digital display
  • Handheld pH Tester with digital display

Experimental capabilities:

  • Determination of optimum pH and coagulant dosage
  • Effects of mixing time and speed intensity on aggregation
  • Coagulation tests in conjunction with activated carbon

Ion Exchange Unit

Model No: TR02

Description:

This Ion Exchange Unit is designed to demonstrate principles of water softening or demineralization process using ion-exchange resins.

This unit consists of:

  • Acrylic tubes – removable, filled with cation and anion resins
  • Sump tank – made of PVC with separate compartments for test solutions, regenerate and waste
  • Metering pump – self priming, diaphragm, capacity 5 L/hr @ 10 bar
  • Conductivity meter – range 0 to 200mS/cm
  • Liquid flow meter – range 0 to 80ml/min

Experimental capabilities:

  • Determination of breakthrough point
  • Determination of exchange capacities of the resin materials

Ion Exchange Unit

Model No: TR02

Description:

This Ion Exchange Unit is designed to demonstrate principles of water softening or demineralization process using ion-exchange resins.

This unit consists of:

  • Acrylic tubes – removable, filled with cation and anion resins
  • Sump tank – made of PVC with separate compartments for test solutions, regenerate and waste
  • Metering pump – self priming, diaphragm, capacity 5 L/hr @ 10 bar
  • Conductivity meter – range 0 to 200mS/cm
  • Liquid flow meter – range 0 to 80ml/min

Experimental capabilities:

  • Determination of breakthrough point
  • Determination of exchange capacities of the resin materials

Membrane Fabrication Unit

Model No: TR31

Description:

This Membrane Fabrication Unit is designed for student demonstration and research on the fabrication of organic membrane using polymers such as polycarbonate, polyamide, polysulfone, etc.

This unit consists of:

  • Dope preparation apparatus
  • Membrane casting equipment

Experimental capabilities:

  • Formulation of various types of polymer using the Dope Preparation Apparatus
  • Membrane casting process capable of producing membrane sheet of approximately 20 x 30 cm size with thickness from 0 to 1000 micron

Membrane Filtration Unit

Model No: TR16

Description:

This Membrane Filtration Unit is designed to demonstrate separation technique using membrane, which is suitable for heat sensitive materials.

This unit consists of:

  • Membrane modules
  • Feed pump
  • Hot water bath with circulation pump
  • Plate heat exchanger
  • Flow, pressure and temperature measurement

Experimental capabilities:

  • To study the effects of the following process parameters on separation performance:

– Product flow rate

– Process pressure

– Process temperature

Membrane Test Unit

Model No: TR14

Description:

This Membrane Test Unit is designed to demonstrate separation technique using membrane. This unit is supplied with different types of membrane, namely Reverse Osmosis, Nanofiltration, Utrafiltration and Microfiltration.

This unit consists of:

  • Tanks – feed and permeate collection
  • Feed pump – piston type, capacity 13 LPM
  • Flow, pressure and temperature measurement

Pressure/Vacuum pump and tanks are also provided

Experimental capabilities:

  • Comparison on different types of membranes
  • Effects of feed temperature, flow rate and pressure

Plate and Frame Filter Pilot Plant

Model No: TR25

Description:

This Plate and Frame Filter Pilot Plant is designed to demonstrate operation of a plate and frame filter press. The filter press is suitable for pharmaceutical, chemical, cosmetic and food & beverage industries.

This unit consists of:

  • Plates – made of PP material

– hydraulic hand pump, max. pressure: 7 bar

  • Filter media – made of PP cloths
  • Slurry tank – cylindrical tank with conical bottom and agitator
  • Feed pump – progressive cavity type
  • Flow and pressure measurement

Experimental capabilities:

  • Effects of filtration cycle and filtration pressure on the cake quality

Plate and Frame Filter Press Unit

Model No: TR24

Description:

This Plate and Frame Filter Press Unit is designed to demonstrate filtration process suitable for pharmaceutical, chemical, cosmetic, and food and beverage industries.

This unit consists of:

  • Plate and frame filter press – chamber filter press type (open filtrate discharge)
  • Feed pump – Diaphragm pump
  • Temperature sensor – RTD sensor
  • Filtrate flow meter – Turbine flow meter type
  • Pressure sensor
  • Turbidity sensor – range 0 to 1,000 NTU

Experimental capabilities:

  • Demonstration of pre-coat filtration
  • Demonstration of Darcy’s Law
  • Determination of medium and cake resistance
  • Filter cake washing and dewatering

Reverse Osmosis Unit

Model No: TR18

Description:

This Reverse Osmosis Unit is designed to demonstrate desalination of salt water using membrane technique.

This unit consists of:

  • Reverse Osmosis membrane modules
  • Feed and permeate tanks
  • High pressure feed pump
  • Flow and pressure measurement

Experimental capabilities:

  • Desalination of salt water
  • Effects of process parameters on separation performance:
      • Pressure
      • Temperature
      • Flow rate

Reverse Osmosis Unit

Model No: TR08

Description:

This Reverse Osmosis Unit is designed to demonstrate desalination of salt water using RO membrane.

This unit consists of:

  • Membrane module – PCI B1 Module with 18 stainless steel perforated tubes
    • Membrane type: RO (polyamide, 99% rejection of salt)
    • Membrane: 12.7 mm (dia.) x 1.2m (L)
  • Tanks – feed and permeate collection
  • Feed pump – piston type, capacity: 13 LPM
  • Water tank with heat exchanger
  • Flow, pressure and temperature measurement

Experimental capabilities:

  • Desalination process of salt water
  • Effects of feed temperature, flow rate and pressure

Sedimentation Study Apparatus

Model No: TR01

Description:

This Sedimentation Study Apparatus is designed to demonstrate characteristics of gravitational settling (sedimentation).

This unit consists of:

  • Glass tube – cylindrical, scales (mm)
  • Bench with backpanel and illumination

Experimental capabilities:

i. Effects on settling rates of the followings:

  • Initial concentration
  • Initial suspension heights
  • Particle size distribution
  • Flocculating agents

ii. Plots of settling rate curves from single batch run

Sedimentation Tank

Model No: TR09

Description:

This Sedimentation Tank is designed to demonstrate the hydraulic characteristics and settling efficiencies of a settling basin.

This unit consists of:

  • Settling tanks
  • Sediment sump tank
  • Dye injection system
  • Flow measurement

Experimental capabilities:

  • To measure flow short-circuiting and dead space
  • To compare actual flow regimes with idealised flow
  • To study effect of flow rate, inlet water temperature and baffle position on dispersion
  • To measure efficiency of sediment removal and its relationship with hydraulic characteristics

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