The resources used by chemical engineers are available in a variety of formats, from print handbooks and encyclopedias that define concepts and explain processes to online databases of chemical names, formulas and properties.
This site provides access to journals from a variety of publishers. There is also a separate database for Chemical Engineering and Biotechnology research.
EEVL: The Edinburgh Engineering Virtual Library The library provides access to e-journals, databases, training materials, professional societies, university and college departments, software, and recruitment agencies, for students, staff and researchers in higher education." -EEVL Basics
National Technical Information Services This site provides resource for government-funded scientific, technical, engineering, and business related information available today.
Open Directory Project -- Chemical Engineering A directory of links to sites dealing with chemical engineering topics including jobs, professional organizations, software, journals and magazines, and process equipment.