<p>A refrigeration system for an ethylene plant uses a low pressure demethanizer and a binary refrigerant comprising a mixture of methane and ethylene or methane and ethane. The refrigeration composition may be constant throughout the system or separators may be used to divide the refrigerant into a methane-rich binary refrigerant and an ethylene- or ethane-rich binary refrigerant.</p>
申请公布号
DE69806815(T2)
申请公布日期
2003.02.06
申请号
DE1998606815T
申请日期
1998.12.29
申请人
ABB LUMMUS GLOBAL INC., BLOOMFIELD
发明人
SUMNER, CHARLES;WEI, TUAN;CRAWFORD, J.;STANLEY, J.;MCNAB, J.