Q1 Research Application · Frontier Focus

Efficient conversion of sewage sludge into hydrochar by microwave-assisted hydrothermal carbonization

This Science of The Total Environment paper (2022) is indexed as a Xianghu equipment application case for XH-8000 / XH-8000Plus; key result: Specific surface area 24.0 m2/g.

Paper ID 472
Application Focus microwave hydrothermal
Key Result Specific surface area 24.0 m2/g
Core Condition Temperature 250 ℃ / 150 ℃ / 230 ℃
Paper ID
472
Journal
Science of The Total Environment
Impact Factor
7.963
CAS Zone
Zone 1
Year
2022
Equipment Model
XH-8000 / XH-8000Plus
Affiliations
Jiangxi Agricultural University; School of Land Resources and Environment, Key Laboratory of Agricultural Resource and Ecology in the Poyang Lake Basin of Jiangxi Province, Jiangxi Agricultural University, Nanchang 330045, PR China
Research Directions
microwave hydrothermal

Fact Snapshot

  • Paper: Efficient conversion of sewage sludge into hydrochar by microwave-assisted hydrothermal carbonization
  • Equipment: XH-8000 / XH-8000Plus
  • Source: Science of The Total Environment, 2022
  • Research direction: microwave hydrothermal
  • Core conditions: Temperature 250 ℃ / 150 ℃ / 230 ℃, Pressure 6 MPa, and Time 12 h / 0 min / 120 min
  • Key results: Specific surface area 24.0 m2/g and Specific surface area 11.4 m2/g

Research Abstract

Efficient conversion of sewage sludge into hydrochar by microwave-assisted hydrothermal carbonization was published in Science of The Total Environment (2022) and is indexed as a Xianghu Q1 application case for XH-8000 / XH-8000Plus. The structured source links this paper to microwave hydrothermal. Core operating conditions include Temperature 250 ℃ / 150 ℃ / 230 ℃, Pressure 6 MPa, and Time 12 h / 0 min / 120 min. Key reported results include Specific surface area 24.0 m2/g and Specific surface area 11.4 m2/g. The DOI recorded for this paper is 10.1016/j.scitotenv.2021.149874.

Research Background and Problem

The paper is positioned around microwave hydrothermal. The equipment record identifies XH-8000 / XH-8000Plus as the Xianghu instrument context for this application case. The source affiliation record includes Jiangxi Agricultural University and School of Land Resources and Environment, Key Laboratory of Agricultural Resource and Ecology in the Poyang Lake Basin of Jiangxi Province, Jiangxi Agricultural University, Nanchang 330045, PR China.

Equipment Use and Experimental Conditions

ItemParameter
Temperature250 ℃ / 150 ℃ / 230 ℃
Pressure6 MPa
Time12 h / 0 min / 120 min

Key Result

Specific surface area 24.0 m2/g
Specific surface area 11.4 m2/g
MetricResult
Specific surface area24.0 m2/g
Specific surface area11.4 m2/g

Evidence Details

Additional source evidence

Additional source evidence: source values include 1.16 mg, 0.50 mg, 2.33 mg, 0.18 mg, 2.20 mg, 0.08 mg, 0.12 mg, 0.03 mg.

Additional source evidence

Additional source evidence: source values include 13.50 g, 20.97 g, 0.79 g, 21.89 g, 6.60 g, 0.04 g. Entities: HC-CaO.

Microwave-method evidence

Microwave-method evidence: source values include 0.03-0.25 g, 0-0.6 mol/L, 100 mL, 150-250 °C, 0-120 min.

Additional source evidence

Additional source evidence: source values include 215.46 °C, 241.54 °C, 261.87 °C, 331.21 °C. Entities: HC-CaO, HC-H3PO4.

Yield evidence

Yield evidence: source values include 230 °C, 30 min, 0.03 g.

Microwave-method evidence

Microwave-method evidence: source values include 105 °C, 12 h. Entities: XH-8000Plus.

Additional source evidence

Additional source evidence: source values include 100.01 g, 2.40 g, 6566.70 mg. Entities: HC-H3PO4.

Additional source evidence

Additional source evidence: source values include 1366.88 mg, 2526.98 mg, 1714.38 mg.

Additional source evidence

Additional source evidence: source values include 4.55 mg, 0.19 mg, 0.008 mg.

Condition evidence

Temperature: 250 ℃ / 150 ℃ / 230 ℃

Condition evidence

Time: 12 h / 0 min / 120 min

Yield evidence

Yield evidence: source values include 0.03 g, 0.25 g.

Source evidence

In contrast, the application of CaO as a catalyst increased the yield of HC from 65.67 wt% (no catalyst) to 80.31 wt% (10% CaO).

Source evidence

The use of H3PO4 as a catalyst reduced the yield of HC from 65.67 wt% (no catalyst) to 59.31 wt% (0.6 mol/L H3PO4).

Mechanism / Method Highlights

  • Method context: Temperature 250 ℃ / 150 ℃ / 230 ℃, Pressure 6 MPa, and Time 12 h / 0 min / 120 min.
  • Additional source evidence: source values include 1.16 mg, 0.50 mg, 2.33 mg, 0.18 mg, 2.20 mg, 0.08 mg, 0.12 mg, 0.03 mg
  • Additional source evidence: source values include 13.50 g, 20.97 g, 0.79 g, 21.89 g, 6.60 g, 0.04 g. Entities: HC-CaO
  • Microwave-method evidence: source values include 0.03-0.25 g, 0-0.6 mol/L, 100 mL, 150-250 °C, 0-120 min
  • Reported outcome: Specific surface area 24.0 m2/g and Specific surface area 11.4 m2/g.

Application Value

  • Positions XH-8000 / XH-8000Plus in a peer-reviewed Q1 research application.
  • Highlights quantitative evidence: Specific surface area 24.0 m2/g and Specific surface area 11.4 m2/g.
  • Records source affiliations: Jiangxi Agricultural University and School of Land Resources and Environment, Key Laboratory of Agricultural Resource and Ecology in the Poyang Lake Basin of Jiangxi Province, Jiangxi Agricultural University, Nanchang 330045, PR China.

Related Equipment

FAQ

Which Xianghu instrument is covered by this page?
The structured source records XH-8000 / XH-8000Plus for this paper.
What is the main application direction?
The source tags this paper under microwave hydrothermal.
Which publication does this case come from?
It comes from Science of The Total Environment (2022), DOI 10.1016/j.scitotenv.2021.149874.
Citation
Efficient conversion of sewage sludge into hydrochar by microwave-assisted hydrothermal carbonization
Science of The Total Environment, 2022
DOI: 10.1016/j.scitotenv.2021.149874