Evident LogoOlympus Logo
블로그

Vanta 분석기가 자동차 촉매 재활용의 효율성을 높이는 방법

저자  -
자동차 촉매 재활용

Catalytic converts contain rare and valuable metals, including platinum (Pt), palladium (Pd), and rhodium (Rh). Recycling these platinum group metals (PGMs) is important since their supply is limited, but recyclers need a tool that helps them accurately measure the proportion of each. Vanta™ handheld XRF analyzers are just the tool for the job since they provide accurate material chemistry for a range of materials, including PGMs. On-the-spot measurement enables fast sorting to measure PGM concentrations in these lucrative recycled assets.

Olympus Application Scientist Karen Paklin attended the International Precious Metals Institute (IPMI) annual conference in San Antonio, Texas in June 2018. She presented a study on the analysis of platinum group metals in catalytic converters with handheld X-ray fluorescence.

Abstract

Handheld X-ray fluorescence (HHXRF) analyzers can quickly and accurately display concentrations of platinum group metal (PGM) additives, such as platinum (Pt), palladium (Pd), and rhodium (Rh), contained within catalytic converters. These catalytic converters are coated with an aluminum oxide layer (also referred to as a washcoat) along with PGM additives and other elements during their manufacture. Converters containing the washcoat substrate, known as cordierite, compose about 95% of the market.

Recent advancements in HHXRF have shown that properly accounting for the washcoat’s composition improves the calculated results for PGMs. For this reason, the expanded capabilities of a HHXRF Car Catalyst method were evaluated to determine the increase in accuracy for PGM analysis results.

Highlights

Pt, Pd, and Rh are mostly recycled from catalytic converters, as shown in the process below. Once the powder within the catalytic converters is ground and homogenous, it is sent to be analyzed for elemental composition. Those values are then used to perfect the process to obtain the highest recovery rate of PGMs from the input feed.

How Vanta Analyzers Make Car Catalyst Recycling More Efficient

HHXRF analyzers are optimized with an element suite to account for all possible matrix effects and/or elemental overlaps. For example, selenium and tantalum are used interchangeably to falsely increase platinum values. This is done with the foreknowledge that XRF concentration values could be tricked by the overlapping characteristic energies of the elements. However, there are algorithms in place to distinguish one from the other to recognize this kind of trickery. 

How Vanta Analyzers Make Car Catalyst Recycling More Efficient

HHXRF showed improved accuracy and precision for Pt, Pd, and Rh. The results below are for platinum. To see the rest, download the paper at the link below.

How Vanta Analyzers Make Car Catalyst Recycling More Efficient
How Vanta Analyzers Make Car Catalyst Recycling More Efficient

Download the Entire Paper

Related Content

Automotive Catalytic Converter Recycling

Vanta for Car Catalyst Analysis Infographic


Get In Touch
학술 지원

Karen은 미국 매사추세츠주 월섬에 근거지를 둔 학술 고문입니다. 그녀는 2014년부터 Olympus에서 근무했으며, 신제품 개발을 지원하기 위해 Olympus X선 형광과 X선 회절 제품군을 지원하고 있습니다. XRF 및 XRD 장비를 유지하고 개선하는 데 전념하고 있으며, 고객과의 업무, 연구 개발 및 서비스를 담당하고 있습니다. Karen은 매사추세츠주 우스터에 있는 우스터 폴리테크닉 연구소에서 화공학 학사 학위를 취득했습니다. 


Karen has a Chemical Engineering degree from Worcester Polytechnic Institute in Worcester, Massachusetts. 







8월 1, 2018
죄송합니다. 이 페이지는 해당 국가에서 사용할 수 없습니다.
InSight 블로그 가입하기
죄송합니다. 이 페이지는 해당 국가에서 사용할 수 없습니다.
아래 양식을 작성하여 원하는 내용을 알려주십시오.
죄송합니다. 이 페이지는 해당 국가에서 사용할 수 없습니다.