Catalysts recycling technology – CPMP

Objective

Removal of platinum group metals (PGM) from the spent automobile and chemical catalyst

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Technology Platinum Recoveries (CPMP) provides recycling process to recover Platinum Group Metals (PGM) from automotive catalytic converters, and other waste streams in a sustainable and environmentally friendly way. The PGMs are then reintroduced into the primary precious metals industry.

The technologically advanced process results in low operational costs enabling PRL to become a novel in the field of PGM recovery from spent catalytic converters, and other appropriate waste streams.

This will be accomplished through of recovery rates and process development, to ensure that the refining process is continually improved, thereby optimising throughput and recovery rates.

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CPMP/

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  • The only combined volume collection and refining operation for scrap autocatalyst
  • Lower capital and operating costs combined with higher recovery rates than competing technologies
  • Vitrified ceramic by-product can be recycled as non-leachable road aggregate
  • World-class environmental performance (stable slag, low emissions)
  • Technically superior to competing technologies

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CPMP/

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  • The technology basic induction thermal waste recovery facility and it represents the start of a revolutionary change in the field of waste management
  • The compact high-intensity facility is equipped with the latest technology including a fully integrated emissions abatement system and automated monitoring system for auditable environmental performance. The integrated facility offers a valuable service to the car industry and is capable of servicing Original Equipment Manufacturers (OEM) product lifecycle responsibilities. From a waste management standpoint, it enables the integrated waste management chain to comply with its ‘duty of care’ responsibilities
  • The technology utilises a state-of-the-art high-temperature induction smelting technology to recover the PGMs, contained within the catalyst, as a concentrated metal alloy. This alloy is subjected to further refining, before it is traded to re-enter the product supply chain, hence closing the recycling loop. This exemplifies the environmental credentials of the technology as PGMs are a finite resource that are primarily employed, in ever increasing quantities, to abate the emissions of fossil fuel powered vehicles. Therefore, PGM recovery has a massive environmental advantage. Furthermore, the slag product of the process; due to its inert leaching resistant character, finds application as an aggregate in a wide range of traditional applications and the metal casing are recycled using traditional routes
  • As a consequence of this material reuse, the technology is observed to have minimal local environmental impacts and is classified as an Advanced Thermal Conversion Technique. This classification is applied due to the technologies intermediate position within the waste management hierarchy, i.e. it is not a disposal or a recycling technique, because the material values within the waste stream are recovered.

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CPMP/

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The process of recovering and refining precious metals is characterized by the following:

Thanks to an avant-garde industrial structure and the absolute thoroughness of the recovery
phases, CPMP technology is capable of recovering gold, palladium, rhodium and other precious metals from ashes and scrap / ingots of gold, gold sweepings, solutions, slag, crucibles, catalysts from the chemical, petrochemical, and pharmaceutical industries, catalytic converters, electronic waste, dental waste, and sludge.

The amounts and proportions of PGMs required per 1 ton vary but generally range from 2 to 4 kg of PGM per vehicle for cars, light-duty trucks, and motorcycles and 6 to 30 kg of PGM for chemical and vehicles with larger engines, such as sport utility vehicles and trucks.

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CPMP/

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Screening analysis:
13 Al 24.78 ± 0.24 %
14 Si 15.49 ± 0.08 %
15 P 0.714 ± 0.013 %
16 S 1893 ± 31 µg/g
17 Cl 599.6 ± 6.2 µg/g
19 K 0.3872 ± 0.0058 %
20 Ca 1.300 ± 0.007 %
22 Ti 0.2241 ± 0.0031 %
23 V 60 µg/g
24 Cr 5970 ± 59 µg/g
25 Mn 0.0046 %
26 Fe 0.9528 ± 0.0040 %
27 Co 23.1 ± 2.6 µg/g
28 Ni 1370 ± 10 µg/g
29 Cu 93.6 ± 4.2 µg/g
30 Zn 2045 ± 9 µg/g
31 Ga 12 µg/g
32 Ge 3.1 µg/g
33 As 35 µg/g
34 Se 6.4 µg/g
35 Br 50.1 ± 1.0 µg/g
37 Rb 27.5 ± 0.7 µg/g
38 Sr 0.1308 ± 0.0003 %
39 Y 98.9 ± 2.3 µg/g
40 Zr 2.406 ± 0.007 %
41 Nb 26 µg/g
42 Mo 63 ± 19 µg/g
45 Rh 194.9 ± 5.1 µg/g
46 Pd 947 ± 10 µg/g
47 Ag 9.6 µg/g
48 Cd 13 µg/g
49 In 16 µg/g
50 Sn 55.3 ± 2.3 µg/g
51 Sb 8.9 µg/g
52 Te 32.7 ± 2.6 µg/g
53 I 37 µg/g
55 Cs 74 µg/g
56 Ba 4468 ± 45 µg/g
57 La 0.3016 ± 0.0047 %
58 Ce 2.689 ± 0.012 %
72 Hf 464.8 ± 6.8 µg/g
73 Ta 20 µg/g
74 W 19 µg/g
78 Pt 511.8 ± 6.8 µg/g
80 Hg 5.1 µg/g
81 TI 26.3 ± 3.1 µg/g
82 Pb 9177 ± 21 µg/g
83 Bi 11 µg/g
90 Th 66.4 ± 1.3 µg/g
92 U 9.7 1.2 µg/g

                                                                               SPECTRO X-LAB (Germany): K-259-BB1-02

Major compounds:
13 AI2O3 46.82 ± 0.45 %
14 SiO2 33.14 ± 0.16 %
20 CaO 1.818 ± 0.010 %
40 ZrO2 3.250 ± 0.009 %
58 Ce 2.689 ± 0.012 %
SPECTRO X-LAB (Germany): K-259-BB1-02

 

Important elements:
45 Rh 194.9 ± 5.1 µg/g
46 Pd 947 ± 10 µg/g
78 Pt 511.8 ± 6.8 µg/g
SPECTRO X-LAB (Germany): K-259-BB1-02

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