Ind. eng. chem. res. Ind. eng. chem. res. Understanding the Thermal Decomposition of Mg(NO3)2·6H2O and Its Role in Sustainable MgO and NOx Recovery Nandal Neha Periasamy Selvakannan Tardio James Pownceby Mark Webster Nathan Jones Lathe Nilsson Mikael Grocott Stephen Bhargava Suresh 2025 research-article