SIRIM Report
LAKASA Oil Interceptor _ SIRIM Test Report
Letters from DOE on LAKASA Oil Interceptor Installation
Letters from DOE and SPAN on LAKASA Grease and Oil Interceptor
LAKASA Neutralization Tank
Test 1 Results
Rate of Neutralization of diluted acidic plating solution from initial pH of 1.55
Rate of Neutralization of diluted acidic plating solution from initial pH of 1.55
| Sampling Time (minutes) | pH | Temperature (0C) | Weight of limestone |
| 0 | 1.55 | 31 | 11.2 kg
(Test 1a) |
| 10 | 1.92 | 31 | |
| 20 | 2.02 | 31 | |
| 30 | 2.39 | 31 | |
| 40 | 2.57 | 31 | |
| 50 | 4.87 | 31 | 22.4 kg
(Test 1b) |
| 60 | 4.88 | 31 |
Test 2 Results
Rate of Neutralization of diluted acidic plating solution from initial pH of 2.30
Rate of Neutralization of diluted acidic plating solution from initial pH of 2.30
| Sampling Time (Minutes) | pH | Temperature (0C) | Weight of limestone |
| 0 | 2.30 | 31 |
30.0 kg (Test 2) |
| 10 | 4.42 | 31 | |
| 20 | 4.88 | 31 | |
| 26 | 4.97 | 31 | |
| 30 | 4.97 | 31 |
Summary of neutralization rate and pH change
|
Test |
pH range |
Rate of Neutralization per minute | pH change per kg limestone |
| 1a | 1.55 – 2.57 | 0.06 | 0.09 |
| 1b | 2.57 – 4.88 | 0.12 | 0.10 |
| 2 | 2.30 – 4.97 | 0.08 | 0.09 |