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Topic · Process Chemistry and Technology

Odor and Emission Control Technologies

Odor and Emission Control Technologies is a research topic within Process Chemistry and Technology. Science Explorer counts 14k research works in it since 1950. 12.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers covers the chemical and biological technologies for controlling odors, with a focus on managing emissions of hydrogen sulfide, volatile organic compounds, ammonia, and siloxanes. It explores bioreactors, biofiltration, microbial communities, and concrete corrosion in sewer systems and waste gas treatment. The papers also discuss the sulfur cycle, odor measurements, health risk assessment, and environmental impacts.

  • Odor Control
  • Bioreactors
  • Sulfur Cycle
  • Volatile Organic Compounds
  • Ammonia Emissions
  • Siloxanes
  • Biofiltration
  • Concrete Corrosion
  • Microbial Community
  • Waste Gas Treatment
Research works
14k
fractional, since 1950
In the world top 10%
1.7k
per year above
Top-10% rate
12.0%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
0%
the tick is no change

Which countries lead Odor and Emission Control Technologies research?

By volume, China and the United States publish the most (463 and 204 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 463 works
  2. 2 United States 204 works
  3. 3 South Korea 76 works
  4. 4 France 63 works
  5. 5 Italy 56 works
  6. 6 Spain 56 works
  7. 7 Canada 44 works
  8. 8 Japan 44 works
  9. 9 Poland 43 works
  10. 10 India 42 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 42.4%United States: 18.7%South Korea: 7.0%France: 5.7%6 others listed: 26.2%42%largest
China463 · 42.4%United States204 · 18.7%South Korea76 · 7.0%France63 · 5.7%6 others listed286 · 26.2%

Shares of the rows listed above, not of the whole node.

Which institutions lead Odor and Emission Control Technologies research?

By volume in 2022–2025, Aarhus University publishes the most Odor and Emission Control Technologies research, followed by Chinese Academy of Sciences and Wageningen University & Research.

By volume, 2022–2025

  1. 1 Aarhus UniversityDenmark 16 works
  2. 2 Chinese Academy of SciencesChina 14 works
  3. 3 Wageningen University & ResearchNetherlands 13 works
  4. 4 Beijing University of TechnologyChina 13 works
  5. 5 Tsinghua UniversityChina 9 works
  6. 6 Politecnico di MilanoItaly 9 works
  7. 7 Harbin Institute of TechnologyChina 9 works
  8. 8 Tianjin UniversityChina 9 works
  9. 9 Technical University of DenmarkDenmark 9 works
  10. 10 Tongji UniversityChina 8 works

Who are the leading researchers in Odor and Emission Control Technologies?

The most-cited researchers publishing on Odor and Emission Control Technologies include Hong Li, Ki‐Hyun Kim and James N. Galloway.

  1. 1 Hong Li China 3k citations
  2. 2 Ki‐Hyun Kim South Korea 2.3k citations
  3. 3 James N. Galloway United States 2.3k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Odor and Emission Control Technologies research done?

The largest centres of Odor and Emission Control Technologies research in 2022–2025 are Beijing (China), Shanghai (China), Nanjing (China) and Seoul (South Korea).

Largest cities, 2022–2025

  1. 1 Beijing China 132 works
  2. 2 Shanghai China 28 works
  3. 3 Nanjing China 25 works
  4. 4 Seoul South Korea 25 works
  5. 5 Guangzhou China 25 works
  6. 6 Tianjin China 22 works
  7. 7 Hangzhou China 20 works
  8. 8 Aarhus Denmark 18 works
  9. 9 Milan Italy 16 works
  10. 10 Paris France 15 works
See Odor and Emission Control Technologies on the map

Where is the best place to study Odor and Emission Control Technologies?

Among universities, judged by research, Beijing University of Technology, Technical University of Denmark and Aarhus University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 14.0222%fractional works in this node (log) →share in the world top 10% →Beijing University of Technology: 13, 18.8%Technical University of Denmark: 8, 12.6%Aarhus University: 16, 8.0%Wageningen University & Research: 13, 7.6%Tianjin University: 9, 24.4%Tongji University: 8, 21.5%Tsinghua University: 9, 20.1%Politecnico di Milano: 9, 1.8%Harbin Institute of Technology: 9, 11.4%Beijing University o…Technical University…Aarhus UniversityWageningen Universit…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Beijing University of TechnologyChina 66.018.8%11.2×13 +15.4%
2 Technical University of DenmarkDenmark 64.212.6%10.3×8 +121.7%
3 Aarhus UniversityDenmark 62.18.0%14.4×16 -44.3%
4 Wageningen University & ResearchNetherlands 61.37.6%22.7×13 +2.5%
5 Tianjin UniversityChina 38.924.4%4.5×9 -49.7%
6 Tongji UniversityChina 32.621.5%3.9×8 -37.9%
7 Tsinghua UniversityChina 31.420.1%2.9×9 -35.2%
8 Politecnico di MilanoItaly 31.31.8%8.1×9 +7.0%
9 Harbin Institute of TechnologyChina 19.011.4%3.5×9 -51.6%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Odor and Emission Control Technologies research growing?

Output in 2018–2022 was 0% lower than in 2013–2017, peaking in 2025. The fastest-growing topics are Odor and Emission Control Technologies.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.