Quiz 2: Production of Activated Carbon from Plastic Char

What is the main element in activated carbon?

• Nitrogen

• Carbon

• Oxygen

• Helium

The following factors are contributing on the adsorption properties of the adsorbent, except..

• Porosity

• Surface

• Particle size

• Thermal stability

The following list are on the application of activated carbon, except..

• Cosmetic

• Biomedical

• Waste water

• Energy storage

What parameters should be considered in production of activated carbon?

• Activating agent, heating temperature, and time

• Pressure, time, cooling temperature and activating agent

• Heating temperature, pressure, time and stabilizing agent

• Activating agent, cooling temperature, time and operator

Provided below is the common waste water treatment system, except..

• Physical treatment

• Hydrolysis

• Biological treatment

• Chemical treatment

Provided below is the definition of adsorbent, except..

• A material which allows a dissolved solid, gas, or liquid to adhere to its surface

• An insoluble material coated by liquid on the surface, including capillaries and pores.

• A material which allows gases and liquids to permeate it uniformly

• An additive used to increase the stability of material

Provided below is the sources of activated carbon, except

• Ceramic

• Plant

• Plastic

• Wood

The following are effect of pollutants in environment, except

• Industrial

• Agricultural

• Sewage

• Energy sustainability

What is Malaysia globally rank in plastic waste management problem?

• 7

• 8

• 5

• 3

The following sentences explain on effect of plastic waste to environment, except..

• Causes harm to humans, animals and plants through toxic pollutants

• Plastic waste assist in production of additive in food products

• Take hundreds or even thousands of years for plastic to break down

• Affects all organisms in the food chain from tiny species like plankton through to whales.