LE 1 - Contributions of Chemical Engineering in Environment

Question 1

Contributions

Answer 1

• Clearing the air
• Catalytic Converters
• Cleaner-burning fuels
• green manufacturing
• reducing industrial air pollution
• cleaner coal use
• clean water
  -recycle and reuse
• innovations

Question 2

uses hydrogen gas and a catalyst to produce gasoline and diesel fuel with significantly lower levels of sulfur and lead

Answer 2

hydrotreatment

Question 3

To capture and neutralize air pollutants

Answer 3

green manufacturing

Question 4

cheapest, most plentiful yet most polluting

Answer 4

coal

Question 5

method to generate electricity and produce fuels from coal with significantly less environmental impact

Answer 5

coal gasification

Question 6

potable drinking water

Answer 6

purify

Question 7

treating water

Answer 7

▪ Vacuum or pressure filtration
▪ Centrifugation
▪ Membrane-based separation
▪ Distillation
▪ Carbon-based and zeolite-based adsorption
▪ Advanced oxidation treatments

Question 8

Blending recycled paper and water produce a

Answer 8

pulp slurry

Question 9

considered by many as the father of activated carbon treatment of water and wastewater

Answer 9

Walter Weber Jr.

Question 10

He is renowned for his 1972 classic book, Physicochemical Processes for Water Quality Control.

Answer 10

Walter Weber Jr.

Question 11

He is Professor of Environmental and Ecological Sciences and Engineering in the Department of Chemical of Engineering at the University of Michigan, a member of the National Academy of Engineers

Answer 11

Walter Weber Jr.

Question 12

2007 recipient of the Lawrence K. Cecil Award for excellence in environmental applications of chemical engineering

Answer 12

Walter Weber Jr.

Question 13

from New Jersey Institute of Technology that works on finding ways to create extraordinarily tiny membrane pores. Today

Answer 13

Kam Sirkar

Question 14

he and his colleagues are pursuing the development of nanoporous membranes, whose nanometer-sized pores provide an opportunity for unimaginably exacting separations

Answer 14

Kam Sirkar

Question 15

at the University of North Carolina (Chapel Hill) pioneered to create a family of nontoxic surfactants based on the enhanced solvency of liquid carbon dioxide and developed systems to use these safer solvents help the chemical, automotive, aerospace, electronics, petroleum
-refining, pharmaceutical, pulp-and-paper and other sectors to reduce or eliminate the use of hazardous organic and halogenated solvents as cleaning agents, process aids and dispersants

Answer 15

Joseph Desimone

Question 16

In 1997, he was awarded the Presidential Green Chemistry Challenge Award from the U.S. Environmental Protection Agency.

Answer 16

Joseph Desimone

Question 17

Professor of Chemical Engineering at the University of Michigan, received the Clarence (Larry) G. Gerhold Award from AIChE’s Separations Division in 1997 for outstanding contributions in research, development and application of chemical separations technologies for the removal of harmful pollutants before producing harmful emissions.

Answer 17

Ralph Yang

Question 18

Among his achievements are groundbreaking work on the development of desulfurization sorbents via pi-complexation that selectively adsorb sulfur from diesel fuels and zeolites that remove nitrogen from transportation fuels.

Answer 18

Ralph Yang

Question 19

It maximized the amount of catalyst-coated surface area to which the engine exhaust may be exposed

Answer 19

Catalytic Inverters

Question 20

It minimized the amount of expensive precious-metal catalyst required

Answer 20

Catalytic Inverters

Question 21

advanced petroleum-refining techniques

Answer 21

Cleaner-burning Fuels

Question 22

3 approaches of water treatment

Answer 22

Centrifugation
Distillation
Pressure Filtration

Question 23

(True or False) Almost one-thirds of the aluminum cans in the United States are recycled, and 85% to 90% of the aluminum in cars is recycled

Answer 23

False (two-thirds)

Question 24

He pioneered to create a family of nontoxic surfactants based on the enhanced solvency of liquid carbon dioxide and developed systems to use these safer solvents help the chemical, automotive, aerospace, electronics, petroleum-refining, pharmaceutical, pulp-and-paper and other sectors to reduce or eliminate the use of hazardous organic and halogenated solvents as cleaning agents, process aids and dispersants

Answer 24

Joseph Desimone