１９９７年底世界顺酐的生产能力约１１２万ｔ／ａ ,预测今后可能以每年２ ５%的速度增长 ,２０００年全球产能将达到１２０万ｔ／ａ以上。其中美国顺酐生产能力约占世界总能力的２６ % ;西欧占３８% ;亚洲占２１ %。近期内世界需求量将以年均４ ５%的速度增长 ,２０００年世界 At the end of 1997, the world’s maleic anhydride production capacity was about 1.12 million t/a, and it is predicted that it may grow at a rate of 25% per year in the future. In 2000, the global production capacity will reach 1.2 million t/a or more. The production capacity of maleic anhydride in the United States accounts for about 26% of the world’s total capacity; Western Europe accounts for 38%; Asia accounts for 21%. In the near future, the world’s demand will increase at an average annual rate of 45%. In 2000, the world