Recovery of Gold from Waste Mobile Phones and Scraps of Various Equipment

1.

Title of Product/Design/Equipment

Recovery of Gold from Waste Mobile Phones and Scraps of Various Equipment

Gold-pellet-and-strips

2.

IPR Status

Patent/ Abroad IPR Details

Patent Filed

3.

Application/Uses

Recovery of Gold

4.

Salient Technical Features including Competing Features

A process is developed for the dissolution of metal from the PCBs of waste mobile phone, small parts of various equipments containing gold on outer layer. Chemical leaching followed by adsorption/ cementation with subsequent heat treatment was used to recover 99% gold.

5.

Level/Scale of Development

1 Kg to 10 Kg (Lab Scale)

6.

Environmental Considerations

20 to 25 L effluent generated is recycled after proper treatment. The solid residue will be utilized as non hazardous filling material in various applications.

7.

Status of Commercialization

Transferred to M/S ADV Metal Combine Pvt. Ltd., New Delhi

8.

Major Raw Materials to be Utilized

Mobile phone PCBs, scrap parts of various equipments, leachant, adsorbent, etc.

9.

Major Plant Equipment and Machinery Required

Leaching reactor, hood, filter press, pH meter, balance, glassware, safety appliances, etc.

10.

Techno-Economics

Capital Cost ~Rs. 10 Lakhs Recurring Cost ~Rs. 2 Lakhs/Year

11.

Technology Package

(a) Process-Know-how, (b) Details of equipment & (c) Quality Assurance Methods. Assistance in setting up the plant on separate terms.

Chemical requirement cost is about Rs.30.20 against product cost of about Rs.1.25.20 per ton of iron oxide production.