化学工程，简称化工，是研究以化学工业为代表以及其他过程工业（例如石油炼制、冶金、食品及印染工业等）生产过程中有关化学过程与物理过程的一般原理和规律，并且应用这些规律来解决过程及装置的开发、设计、操作及改善问题的工程技术学科。它主要研究大规模改变物料中的化学组成及其机械和物理性质。简单地定义化学工程的本质，它是以数学及少量的物理观念为基础应用于化学工业上，来替生产各式化学品或是物料的工厂提供一个最节省成本的反应流程设计方式。实验研究、理论分析和科学计算已经成为当代化工研究中不可或缺的三种主要手段。
Rank School name #1 Massachusetts Institute of Technology Cambrige, MA #2Tie California Institute of Technology Pasaena, CA #2Tie Stanfor University Stanfor, CA #2Tie University of California—Berkeley Berkeley, CA #5 University of Minnesota—Twin Cities Minneapolis, MN #6 University of Texas—Austin (Cockrell) Austin, TX #7Tie Georgia Institute of Technology Atlanta, GA #7Tie University of Wisconsin—Maison Maison, WI #9Tie Princeton University Princeton, NJ #9Tie University of Delaware Newark, DE #11Tie University of California—Santa Barbara Santa Barbara, CA #11Tie University of Michigan—Ann Arbor Ann Arbor, MI #13 Carnegie Mellon University Pittsburgh, PA #14Tie Northwestern University (McCormick) Evanston, IL #14Tie Purue University—West Lafayette West Lafayette, IN #14Tie University of Illinois—Urbana-Champaign Urbana, IL #17Tie Cornell University Ithaca, NY #17Tie University of Colorao—Bouler Bouler, CO #17Tie University of Pennsylvania Philaelphia, PA #20 Johns Hopkins University (Whiting) Baltimore, MD #21Tie North Carolina State University Raleigh, NC #21Tie Texas A&M University—College Station College Station, TX #21Tie University of California—Los Angeles (Samueli) Los Angeles, CA #24Tie Pennsylvania State University—University Park University Park, PA #24Tie University of Washington Seattle, WA #26Tie Columbia University (Fu Founation) New York, NY #26Tie Ohio State University Columbus, OH #26Tie Rice University (Brown) Houston, TX #26Tie University of Notre Dame Notre Dame, IN #30Tie Rensselaer Polytechnic Institute Troy, NY #30Tie University of California—Davis Davis, CA #32Tie University of Floria Gainesville, FL #32Tie University of Pittsburgh (Swanson) Pittsburgh, PA #34Tie Iowa State University Ames, IA #34Tie University of Houston (Cullen) Houston, TX #34Tie University of Marylan—College Park (Clark) College Park, MD #34Tie University of Massachusetts—Amherst Amherst, MA #34Tie University of Southern California (Viterbi) Los Angeles, CA #34Tie University of Virginia Charlottesville, VA #34Tie Vanerbilt University Nashville, TN #34Tie Virginia Tech Blacksburg, VA #34Tie Washington University in St. Louis St. Louis, MO #43Tie Michigan State University East Lansing, MI #43Tie Rutgers, The State University of New Jersey—New Brunswick Piscataway, NJ #43Tie University at Buffalo—SUNY Buffalo, NY #43Tie University of California—Riversie (Bourns) Riversie, CA #47Tie Arizona State University (Fulton) Tempe, AZ #47Tie Case Western Reserve University Clevelan, OH #47Tie Colorao School of Mines Golen, CO #47Tie Lehigh University (Rossin) Bethlehem, PA #47Tie University of California—Irvine (Samueli) Irvine, CA #47Tie Yale University New Haven, CT #53Tie Auburn University (Ginn) Auburn, AL #53Tie Drexel University Philaelphia, PA #53Tie Northeastern University Boston, MA #53Tie Tufts University Mefor, MA #53Tie University of California—San Diego (Jacobs) La Jolla, CA #58Tie Clemson University Clemson, SC #58Tie Colorao State University Fort Collins, CO #58Tie Texas Tech University (Whitacre) Lubbock, TX #61Tie Brigham Young University (Fulton) Provo, UT #61Tie Brown University Provience, RI #61Tie CUNY—City College (Grove) New York, NY #61Tie Tulane University New Orleans, LA #61Tie University of Illinois—Chicago Chicago, IL #61Tie University of Iowa Iowa City, IA #61Tie University of Oklahoma Norman, OK #61Tie University of South Carolina Columbia, SC #61Tie University of Tennessee—Knoxville (Tickle) Knoxville, TN #61Tie University of Utah Salt Lake City, UT #61Tie Washington State University Pullman, WA #72Tie Dartmouth College (Thayer) Hanover, NH #72Tie Oregon State University Corvallis, OR #72Tie Stony Brook University—SUNY Stony Brook, NY #72Tie Syracuse University Syracuse, NY #72Tie University of Arizona Tucson, AZ #72Tie University of Connecticut Storrs, CT #72Tie University of Kansas Lawrence, KS #72Tie University of Kentucky Lexington, KY #72Tie University of New Mexico Albuquerque, NM #72Tie University of Rochester (Hajim) Rochester, NY #72Tie Worcester Polytechnic Institute Worcester, MA #83Tie Clarkson University Potsam, NY #83Tie Illinois Institute of Technology (Armour) Chicago, IL #83Tie Louisiana State University—Baton Rouge Baton Rouge, LA #83Tie Michigan Technological University Houghton, MI #83Tie New York University (Tanon) Brooklyn, NY #83Tie Oklahoma State University Stillwater, OK #83Tie University of Cincinnati Cincinnati, OH #90Tie Kansas State University Manhattan, KS #90Tie New Jersey Institute of Technology Newark, NJ #90Tie Stevens Institute of Technology (Schaefer) Hoboken, NJ #90Tie University of Akron Akron, OH #90Tie University of Arkansas—Fayetteville Fayetteville, AR #90Tie University of Marylan—Baltimore County Baltimore, MD #90Tie University of Nebraska—Lincoln Lincoln, NE #90Tie Virginia Commonwealth University Richmon, VA #90Tie Wayne State University Detroit, MI
（注：以上排名来自US NEWS AND WORLD REPORT）
