Preliminary Study on the Treatment of Aluminum Slag Hazardous Waste
Main Article Content
Abstract
Background. Hazardous and toxic waste (B3) requires special attention because it can harm the environment and human health if not managed properly.
Aim. This study aimed to evaluate the initial performance of a prototype for treating aluminum slag waste housed in a wooden container, using temperature and gas levels as monitoring parameters
Methods. The methods used are (1) Prototype design and monitoring system. The prototype is an aluminum slag storage box with a length, width, and height of (100 × 100 × 100) cm3 using multiplex material with a thickness of 18 mm; (2) Fabrication of a prototype aluminum slag storage box using four locking wheels, air circulation vents, MQ-2 gas sensors, DHT22 temperature and humidity sensors, 12 V DC blowers, Arduino Nano, and LCD. Sensors. The tests included temperature tests and pressure-related gas-level tests. Aluminum slag samples were mixed with sulfuric acid (H2SO4) and without H2SO4.
Results. Samples without solution showed a relatively stable response, while samples mixed with 10% H₂SO₄ solution showed a much greater increase in temperature and gas levels, exceeding the device program threshold of 400 in the second and third sessions. The available data are also insufficient to determine the gas type or concentration or to assess the success of B3 waste stabilization.
Conclusions and Implications. Further research needs to include actual cooling measurements, MQ-2 calibration, gas identification, chemical parameter measurement, material characterization, and validation of process safety criteria.
Article Details
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