Core Viewpoint - The two major Japanese chemical companies, Idemitsu Kosan and Mitsui Chemicals, have reached a final agreement to integrate their ethylene production operations in Chiba, Japan, which includes the closure of a 370,000 tons/year ethylene facility [1] Group 1: Business Integration - Idemitsu Kosan and Mitsui Chemicals will consolidate ethylene production at Mitsui's Chiba ethylene plant, shutting down Idemitsu's Chiba cracking facility [1] - The integration plan has progressed to the Front End Engineering Design (FEED) stage, focusing on raw material procurement, production, and supply systems [1] - The integration is expected to be completed by 2027, with the closure of Idemitsu's 370,000 tons/year ethylene capacity [1] Group 2: Market Context - The Japanese petrochemical industry is facing a challenging operating environment due to the continuous construction of large petrochemical facilities centered in China and a persistent decline in domestic ethylene demand [1] - The consolidation aims to enhance competitiveness in response to these market changes [1] Group 3: Historical Collaboration - Since 2010, both companies have operated their ethylene production facilities in Chiba through a joint venture, achieving an annual ethylene production capacity of 920,000 tons [1] Group 4: Future Initiatives - Idemitsu Kosan and Mitsui Chemicals will deepen their collaboration to promote the construction of a new generation of green industrial complexes, contributing to resource recycling [2]

中化新网讯 12月19日，出光兴产与三井化学宣布，双方此前公布的千叶蒸汽裂解装置整合优化乙烯产 能计划已顺利推进至前端工程设计(FEED)阶段。经过对整合影响尤其是原料采购、生产及供应体系等 方面的深入研讨，两家企业最终确认此前决议：将千叶地区的乙烯生产业务集中至三井化学千叶乙烯工 厂，同时关停出光兴产旗下千叶裂解装置。 本次整合工作预计在2027年完成。出光兴产千叶裂解装置的乙烯产能37万吨/年，整合完成后，三井化 学旗下55万吨/年千叶乙烯工厂将成为当地唯一运营的裂解生产基地。 出光兴产与三井化学还宣布将深化合作，共同推进新一代绿色产业综合体的建设，助力实现资源循环利 用。自2010年起，两家企业便通过合资设立的千叶化学制造有限责任合伙公司，对各自位于千叶的乙烯 生产设施进行协同运营，以实现产能优化。 此次整合，亦是日本石化行业整合趋势的缩影。今年9月，三菱化学、旭化成与三井化学曾联合宣布成 立濑户内乙烯有限责任合伙公司，旨在优化日本西部的乙烯生产布局。 ...