Leaching Test / Jar Test

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Leaching Test / Jar Test

In primary and waste waters treatments, the choice and dosage of chemical coagulants aimed at removing suspended matter and pollutants are derived from the results of laboratory evaluations by the so called Jar Test. Multiple stirrers, with reproducible speed, allow to establish standard conditions for the test, that is the basic requirement for reliable results. Considering the variability of waters, the test must be repeated with a frequency related to specific situations.

Velp has three models available for leaching test / jar test:

  • Jar Test to optimise the addition of coagulants in waste water treatment plants, improving the separation of settling solids.
  • Leachability Test on toxic substances from wastes to be sent to dump, by diluted acetic acid or carbon dioxide saturated water.

F105A0108 Velp Leaching Test / Jar Test Type JLT4

Features:

  • Four stirring positions
  • Epoxy painted steel frame highly resistant to chemical and mechanical a attack
  • Disconnectable lighted back panel
  • Stainless steel stirring rods adjustable in height by a self blocking chuck
  • DC gear motor
  • Settable speed from 10 to 300 rpm, resolution 1 rpm, microprocessor controlled
  • Microprocessor controlled timer with two different scales, 0 - 999 minutes or 0 - 99 hours, disconnectable for continuous operation
  • Dimensions: 645W x 260D x 350H mm.
  • Power: 40 W; Weight: 13 Kg.

F105A0109 Velp Leaching Test / Jar Test Type JLT6

Features:

  • Six stirring positions
  • Epoxy painted steel frame highly resistant to chemical and mechanical attack
  • Disconnectable lighted back panel
  • Stainless steel stirring rods adjustable in height by a self blocking chuck
  • DC gear motor
  • Settable speed from 10 to 300 rpm, resolution 1 rpm, microprocessor controlled
  • Microprocessor controlled timer with two different scales, 0 - 999 minutes or 0 - 99 hours, disconnectable for continuous operation
  • Dimensions: 935W x 260D x 350H mm.
  • Power: 50 W; Weight: 17 Kg.

F105A0111 Velp Jar Test Type FC4S

Features:

  • Four stirring positions
  • Epoxy painted steel frame highly resistant to chemical and mechanical a attack
  • Stainless steel stirring rods adjustable in height by a self blocking chuck
  • DC gear motor for each stirring position
  • Individual speed selector for each stirrer
  • Speed selector settable at 10, 15, 30, 45, 60, 90, 120, 150 or 200 rpm (equipped on request with speed selector up to 300 rpm
  • Rear lighting
  • Dimensions: 645W x 260D x 347H mm.
  • Power: 50 W; Weight: 12.5 Kg.

F105A0112 Velp Jar Test Type FC6S

Features:

  • Six stirring positions
  • Epoxy painted steel frame highly resistant to chemical and mechanical a attack
  • Stainless steel stirring rods adjustable in height by a self blocking chuck
  • DC gear motor for each stirring position
  • Individual speed selector for each stirrer
  • Speed selector settable at 10, 15, 30, 45, 60, 90, 120, 150 or 200 rpm (equipped on request with speed selector up to 300 rpm)
  • Rear lighting
  • Dimensions: 935W x 260D x 347H mm.
  • Power: 80 W; Weight: 18 Kg.

Accessories:

A00001002

Transparent plastic Imhoff cone

 

A00001003

Glass graduated Imhoff cone

 

A00001004

Stand for two Imhoff cones

 

 

F105A0117 Velp Portable Jar Test Type FP4

Features:

  • Four stirring positions
  • Operated at 230 V AC or at 12 V DC from a car battery via the cigarette lighter
  • Epoxy painted steel frame highly resistant to chemical and mechanical a attack
  • Stainless steel stirring rods adjustable in height by a self blocking chuck
  • DC gear motor
  • Individual speed selector for each stirrer
  • Speed selector settable at 20, 40, 50, 100 or 200 rpm (common to all stirring rods)
  • Timer from 0 - 30 minutes or disconnectable for continuous operation
  • Rear lighting (disconnectable)
  • Dimensions: 250W x 250D x 320H mm.
  • Power: 20 W; Weight: 4.8 Kg.

Accessory:

A00001005

Carrying case

 

 


 
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