international congress on separation and purification technology event date: sunday, july 7, 2024 - 9:00am edt to thursday, july 11, 2024 - 3:00pm edtevent location: hilton zhengzhou, henan, chinaevent contact web: https://www.elsevier.com/events/conferences/all/international-congress-on-separation-and-purification-technology?utm_campaign=stmj_225211_conf_news_ab&utm_medium=email&utm_acid=34989977&sis_id=&dgcid=stmj_225211_conf_news_ab&cmx_id=&utm_in=dm450537&utm_so add to calendar