Ethylene is one of the most important feedstocks for the petrochemical industry. Since it is used in the manufacture of a wide range of compounds, Ethylene has very stringent purity specifications especially for Polymer Grade Ethylene as ammonia poisons polyethylene catalysts. Sample points for ammonia in Polymer Grade Ethylene are either in the Ethylene plant product or in a Polyethylene plant feed. Large quantities of Ethylene are transport

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