Olin is temporarily curtailing a “significant portion” of its ethylene dichloride and related chlor-alkali production at its Freeport, Texas, complex, the company announced June 14. The world’s largest chlor-alkali producer also said it has restarted half of its chlor-alkali unit at its Plaquemine, Louisiana, complex, and expects to bring up other operations at the complex in August. “With the resumption…