On March 16, 2013 the unit for hydrogen production through methanol cracking had produced qualified hydro- gen at the Zhongyuan Petrochemical Company (ZPC), with the purity of hydrogen reaching 99.99% to
文摘On March 16, 2013 the unit for hydrogen production through methanol cracking had produced qualified hydro- gen at the Zhongyuan Petrochemical Company (ZPC), with the purity of hydrogen reaching 99.99% to