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Client #32

Recycling

Recycling

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Project Number 1

Summary:

The asphalt was removed using a soy-based ester.

Test Objective:

To visibly remove all asphalt from copper/aluminum core windings.

Product Use:

Prior to cleaning the unit was used for lamp ballast
Trial Number Date Run Purpose Success Rating
0 09/19/1996 Testing on the asphalt coated core windings Final Report only.

Project Number 2

Summary:

Second case used a heated mildly acidic cleaner, Alconox Citranox, along with cold tap water.

Test Objective:

Find a non-toxic solvent to dissolve the glue that holds the face plate of a CRT to the yoke portion

Product Use:

Computer monitor
Trial Number Date Run Purpose Success Rating
0 04/06/1998 Find a chemistry that could dissolve the frit Test incomplete or inconclusive.
1 04/29/1998 Separate leaded & unleaded glass w/o using HNO3 Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
2 10/19/1998 Further evaluation to separate the leaded glass from the unleaded glass with out using Nitric Acid A follow up test, usually based on company input.
3 10/22/1998 Glass was cut along the desired location in order to separate the leaded frit and the front unleaded section. A follow up test, usually based on company input.
4 10/26/1998 One screen was soaked in only hot water with no cutting, the other three were used in the hot acidic Citrinox A follow up test, usually based on company input.