Related Experiment Video
Updated: Feb 3, 2026

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
Published on: June 15, 2014
Physicochemical properties of biochar derived from anaerobically digested dairy manure
Qianli Ma1, Wei Song2, Ruibin Wang3
1State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, CN 510641, China; Plant Micro/Nano Fiber Research Center, School of Light Industry and Engineering, South China University of Technology, Guangzhou, CN 510640, China.
Abstract:
Biochar was produced from anaerobically digested dairy manure under different processing temperatures (300, 600 and 1000 °C). The process could transform the biomass waste to high-value-added biochar products in high efficiency as well as reduce the manure biological pollution to the environment. By the results of thermogravimetric analysis (TGA) two kinetic models (FWO and Starink) were used to evaluate the activation energy. The biochar was studied for its surface area and pore size, chemical functionality, and crystalline structure by BET analysis, Fourier transform infrared (FTIR) spectroscopy, and X-ray diffraction (XRD). More porous and channel structures were observed under higher temperature and inert gas atmosphere, as characterized by scanning electron microscopy (SEM). The biochar with tunable physicochemical properties that was produced under different temperatures may be used for soil amendment or other fields.
Related Concept Videos
Factors Affecting Drug Biotransformation: Physicochemical and Chemical Properties of Drugs
The drug's acidity or basicity is essential in...
Factors Affecting Renal Clearance: Drug's Physicochemical Properties and Plasma Levels
One important factor is the drug's molecular size. The kidneys readily excrete smaller molecules below 300 Daltons (Da). On the other hand, molecules weighing between 300 and 500 Da are excreted through both urine and bile. Larger molecules above 500 Da tend to be excreted...
Carbohydrate Digestion
Physical Properties of Carboxylic Acid Derivatives
Among the carboxylic acid derivatives, the boiling points of acid chlorides and esters are very similar and are the lowest in the series. Acid anhydrides have slightly higher boiling...
What is Monogastric Digestion?
Lipid Digestion

