Spent Coffee Grounds Valorization Technologies

Environmental Science

This document reviews technologies for high-value use of spent coffee grounds (SCG), comparing commercialization paths for turning SCG into valuable products.

Waste Management Coffee Bio-based Materials

16 Questions Medium Ages 16+ Nov 16, 2025

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About this Study Set

This study set covers Environmental Science through 16 practice questions. This document reviews technologies for high-value use of spent coffee grounds (SCG), comparing commercialization paths for turning SCG into valuable products. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 16 questions from the Spent Coffee Grounds Valorization Technologies study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is a primary environmental concern related to traditional disposal of spent coffee grounds (SCG)?

A Reduced handling costs
B Serious pollution problems
C Increased organic solid waste
D Decreased need for environmental protection

2 What are the three categories of technology bundles reviewed for high-value use of SCG?

A SC-CO2 extraction, Thermal treatment, SCG-based material
B Composting, Landfilling, Incineration
C Fermentation, Distillation, Condensation
D Extraction, Filtration, Evaporation

3 What compounds can be extracted from SCG using supercritical carbon dioxide (SC-CO2)?

A Sugars and starches
B Lipids, diterpenes, phenolics, and peptide-rich proteins
C Cellulose and lignin
D Water and minerals

4 What materials can SCG be converted into through thermal treatment/activation?

A Fertilizer
B Adsorbent materials like biochar/activated carbon
C Animal feed
D Construction materials

5 What pollutants can be removed by adsorbent materials made from SCG?

A Dyes, heavy metals, and organics
B Plastics and polymers
C Gases and odors
D Dust and particles

6 What is a potential application of SCG-based materials in bio-based polymers?

A Fuel source
B Filler or reinforcement
C Insulation
D Lubricant

7 In the activated carbon industry, which application represents the largest revenue share?

A Air purification
B Water treatment
C CO2 capture
D Soil remediation

8 What is the primary goal of using SCG in bio-based polymers?

A To increase the density of the material
B To improve interfacial compatibility with the polymer matrix
C To reduce the flammability of the material
D To enhance the color of the material

9 What is the TRL (Technology Readiness Level) of Technology A (SC-CO2 extraction)?

A TRL 1-2
B TRL 4-5
C TRL 6-7
D TRL 8-9

10 What is the TRL of Technology B (Thermal treatment/activation to make activated carbon)?

A TRL 1-3
B TRL 4-6
C TRL 7-9
D TRL 9

11 What is the main advantage of technology licensing as a commercialization path?

A High profit margins
B Fast, low-risk income
C Complete control over production
D Direct customer feedback

12 What is a key limitation or risk associated with technology licensing?

A Unlimited income potential
B Loss of strategic control
C High initial investment
D Guaranteed market success

13 What is the main advantage of building a start-up for commercializing SCG technology?

A Low capital needs
B Value maximization
C Limited competition
D Quick market entry

14 What is a major disadvantage of building a start-up for commercializing SCG technology?

A Low risk
B Very high capital needs and risks
C Easy market entry
D Guaranteed profitability

15 What is the core benefit of a strategic partnership agreement for SCG commercialization?

A Resource supply (feedstock and customers)
B Complete autonomy
C Unlimited profit potential
D Minimal risk

16 Which commercialization path is recommended for SCG to activated carbon technology?

A Technology Licensing
B Start-up creation
C Strategic Partnership Agreement
D Direct sales

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