www.chemengonline.com May 2021 Cover Story 30 Part 1 Enhancing Plant Safety Via Virtual 'On-site' Visits New developments in augmented reality can help plant operators fix critical issues while limiting the number of outside visitors entering the facility 35 Part 2 Advanced Analytics for Process Safety A look at how advanced analytics facilitates and improves process safety efforts within the chemical process process industries (CPI) In the News 5 Chementator Bespoke battery recycling; Demonstration of a new process to make isobutene; Compressing hydrogen electrochemically; Recovering battery-grade graphite, without using HF; New demonstration plant for cellulosic textile fibers; Project aims to establish supply of REEs from waste streams; and more 10 Business News Chevron and Honeywell start up alkylation unit using novel ionic-liquids technology; BASF invests in new superadsorbents pilot plant in Antwerp; Sika expands admixtures capacity and begins epoxy-resin production in Qatar; Celanese to build new UHMW-PE facility in Europe; and more 30 Volume 128 | no. 5 12 Newsfront Renewable Feed, New Technology and C2C Strategies Offer Opportunties for Refiners After a rough past year, petroleum refineries are seeking profit opportunities through the use of renewable feedstock, new process technology related to alkylation and by increasing the production of petrochemical building blocks from crude oil 35 Technical and Practical 28 Facts at your Fingertips Evaporator Equipment Types This one-page reference provides information on the operation of various types of evaporators, as well as the advantages and disadvantages of each 29 Technology Profile Polylactic Acid from Corn This one-page summary describes the manufacturing process for the bio-based polymer polylactic acid 39 Feature Report Part 1 Keeping Valves Corrosion-Free In all phases of a valve's lifecycle - from fabrication to decommissioning and storage - corrosion protection is essential 43 Feature Report Part 2 Specifying Severe-Service Valves for Urea Applications To withstand the harsh conditions and potential safety risks encountered in urea agricultural applications and other severe-service processes, special consideration must be given to valve construction, performance and installation CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM MAY 2021 1 39 12http://www.chemengonline.com http://WWW.CHEMENGONLINE.COM