Retraction notices

Contaminated water treatment with Activated charcoal build from cocoa pod husk

Type
Retraction
Notice date
2/23/2022 0:00
Journal
IOP Conference Series: Materials Science and Engineering
Publisher
IOP Publishing
Notice DOI
10.1088/1757-899x/1145/1/012146
Original paper DOI
10.1088/1757-899x/1145/1/012027

Reasons