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Green Chemistry Leaching and Electro...

Click, Natalie Anne,

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Green Chemistry Leaching and Electrowinning for Lead Recovery From Silicon Solar Panels /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Green Chemistry Leaching and Electrowinning for Lead Recovery From Silicon Solar Panels // Natalie Anne Click.
Author:	Click, Natalie Anne,
Description:	1 electronic resource (226 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 86-01, Section: A.
Contained By:	Dissertations Abstracts International86-01A.
Subject:	Materials science. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31334823
ISBN:	9798383192429

Green Chemistry Leaching and Electrowinning for Lead Recovery From Silicon Solar Panels /
Click, Natalie Anne,

Green Chemistry Leaching and Electrowinning for Lead Recovery From Silicon Solar Panels /Natalie Anne Click. - 1 electronic resource (226 pages)

Source: Dissertations Abstracts International, Volume: 86-01, Section: A.

With solar module installations increasing exponentially over the past few decades, end-of-life technology is imperative for handling the predicted mass amount of solar panel waste. Of all the elements found in solar panels, lead (Pb) recovery is of upmost importance because it is a known teratogen and organ toxin. Despite this, there is very little literature discussing Pb recovery from end-of-life solar modules. The research performed in this dissertation advances Pb recovery from solar panels using the principles of green chemistry. A two-step leaching and electrowinning approach is explored. Two green acids (acetic acid (AcOH) and methanesulfonic acid (MSA)) are investigated for leaching and electrowinning. The conditions necessary for fast Pb leaching in each of these acids are determined. Once the Pb has leached into solution as Pb2+, electrowinning is used to recover metallic Pb from the system. Metallic Pb can be directly fed back into the solar economy for manufacturing of new solar panels, making the industry circular. The electrowinning process is optimized for three different arrangements. 99 % recovery from synthetic solutions is achieved for all three configurations explored. A proof-of-concept is demonstrated on real solar panel waste using each of the two acids.

English

ISBN: 9798383192429Subjects--Topical Terms:

543314
Materials science.
Subjects--Index Terms:

Methanesulfonic acid

Green Chemistry Leaching and Electrowinning for Lead Recovery From Silicon Solar Panels /
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500 $a Advisors: Tao, Meng Committee members: Chan, Candace; Torres, Cesar; Moore, Gary; Ebin, Burcak.
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520 $a With solar module installations increasing exponentially over the past few decades, end-of-life technology is imperative for handling the predicted mass amount of solar panel waste. Of all the elements found in solar panels, lead (Pb) recovery is of upmost importance because it is a known teratogen and organ toxin. Despite this, there is very little literature discussing Pb recovery from end-of-life solar modules. The research performed in this dissertation advances Pb recovery from solar panels using the principles of green chemistry. A two-step leaching and electrowinning approach is explored. Two green acids (acetic acid (AcOH) and methanesulfonic acid (MSA)) are investigated for leaching and electrowinning. The conditions necessary for fast Pb leaching in each of these acids are determined. Once the Pb has leached into solution as Pb2+, electrowinning is used to recover metallic Pb from the system. Metallic Pb can be directly fed back into the solar economy for manufacturing of new solar panels, making the industry circular. The electrowinning process is optimized for three different arrangements. 99 % recovery from synthetic solutions is achieved for all three configurations explored. A proof-of-concept is demonstrated on real solar panel waste using each of the two acids.
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650 4 $a Alternative energy. $3 3436775
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653 $a Acetic acid
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653 $a Electrowinning
653 $a Green chemistry
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