This book offers a comprehensive overview of the contemporary international petrochemicals business and explains related managerial complexities, business challenges, and opportunities to enhance competitiveness. It enables readers to explore critical issues facing the industry, such as profitability and investment economics, optimizing business processes, regulatory aspects, refining different grades of crudes, marketing of refinery products, health, safety, and environment and emerging ESG compliances in petrochemical business. Features: Explains value chain of the petrochemicals industry from a business perspective. Highlights economic developments of petrochemicals, applications, marketing, and case studies on business aspects. Discusses refinery product mix, pricing, and marketing of refinery products. Reviews managerial challenges in the petrochemicals refining business. Includes HSE and ESG aspects of the petrochemicals refining business. This book is aimed at researchers and graduate students in chemical engineering, business and management studies, and petrochemical industries professionals.