Project #1 / Energy Sciences / Clients / Media

Name

Project #1

Test Objective

MWRA wastewater permit compliance. Currently have random violations

Witnessed

No

Confidential

No

Help Implementing

No

Submission Date

08/01/1996

Representatives

Dave Overberg

Substrates

Copper

Sample Type

Product Use

Critical component of an electron beam accelerator

Percentages Cleaned

Weight Min

Weight Max

200 lbs

Approximate Size

10 inches wide x 1.25 inches thick and up to 144" long

Approximate Size ID

Medium

Weight Range ID

100+ lbs

Shape

Smooth

Hardness

Hard

Shape Type

Complex

Return Samples

Yes

Return Sample Address

Contaminants

Cutting/Tapping Fluids
Fluxes
Lubricating/Lapping Oils
Dirt
Oil

Samples Available

No

Pre Clean Manufacturing Step

Machining

Post Clean Manufacturing Step

Soldering

Parts Cleaned Per Week

1 month

Parts Cleaned Per Bath

Frequency

PSI

Equipments

Immersion/Soak

Vendor

Mag Wheel Cleaner

Cleaning Chemicals

Trichloroethane

Concentration

Cleaning Temp

160

Cleaning Time

30

Cleaning Water Type

Tap

Problems With Current Method

Reported MWRA permit violations for copper, pH & 111 TCA

Purpose of Cleaning

Used in ultra high vacuum

Rinse Time

15

Rinse Temp

160

Rinse Water Type

Tap

Drying Method

Air dry

Drying Time

Drying Temp

Storage Type ID

Used Immediately

How Stored

How Long Stored

Analysis Method

Visual

Performance Test

Comments or Concerns

Summary

Some recommendations included switching to a neutral aqueous cleaner to keep the copper base metal attack to a minimum.

Implementation

Yes

In Progress

No

Technolog Transfer

No

Analysis Only

No

Part Picture

Yes

Default object view. Click to create a custom template, Node ID: 4234, Object ID: 4233

Project #1