https://www.mining.com/web/copper-processing-charges-could-fall-further-next-year-says-cochilco/
Cochilco said it expects a deficit of 1.9 million tons of concentrates this year, pushing processing charges to $40 per ton this year.
processing chargesnext yearcoppercouldfall
https://www.springernature.com/cn/researchers/the-researchers-source/open-science-blogpost/navigating-oa-apcs/27784632
Learn about article processing charges and ways to find out whether you are eligible to get APC funding through a Springer Nature OA agreement.
open access articleprocessing chargesnavigatingguideresearchers