Application of Novel Biochars from Maize Straw Mixed with Fermentation Wastewater for Soil Health
Recently more and more researches have focused on the preparation of novel biochars for specific use in soil amendment. A series of novel biochars (MS) produced by maize straw mixed with different fermentation wastewater are introduced for their preparation and application for soil health. Preparation methods of novel biochars include physical activation, chemical activation, and blending modification. Physical activations are more efficient than chemical activations in enhancing pristine biochar’s surface structure, while the chemical activations are more capable in creating special functional groups. Blending modification method, mixing different kinds of additives with waste biomass together before pyrolysis, is usually used to increase the nutrient contents. The modified novel biochars have excellent properties such as high surface area and pore volume, rich functional groups, and high nutrient contents. The application of novel biochars to soil can improve soil fertility, promote plant growth, and increase crop yield. After the application of the novel MS biochars in soil, the contents of soil organic carbon and nitrogen were significantly increased. The addition of 5% novel biochar to soil showed the best performance for ryegrass growth and H2O2 enzymatic activity enhancement.
KeywordsNovel biochars Maize straw Fermentation wastewater Soil health H2O2 enzymatic activity
This work was supported by Education Committee of Beijing, China (2015GJ-02), and the Special S&T Project on Treatment and Control of Water Pollution (2013ZX07201007-003) for financial support.
- Ahmad M, Rajapaksha AU, Lim JU, Zhang M, Bolan N, Mohan D, Vithanage M, Lee SS, Ok YS, (2014) Biochar as a sorbent for contaminant management in soil and water: a review. Chemosphere 99:19–33Google Scholar
- Ro KS, Cantrell KB, Hunt PG (2010) High-temperature pyrolysis of blended animal manures for producing renewable energy and value-added biochar. Indust Eng Chem Res 49(20):10125–10131Google Scholar
- Shafie ST, Salleh MAM, Hang LL, Rahman MM, Ghani WAWAK (2012) Effect of pyrolysis temperature on the biochar nutrient and water retention capacity. J Purity Util React Environ 1(6):293–307Google Scholar
- Sherif M, Elsherifb E (2015) Investigation of strontium (II) sorption kinetic and thermodynamic onto straw-derived biochar. Particulate Sci Technol 0:1–8Google Scholar
- Spokas KA, Novak JM, Masiello A, Johnson G, Colosky EC, Ippolito JA, Trigo C (2014a) Physical disintegration of biochar: an overlooked process. Environ Sci Technol 1:326–332Google Scholar
- Spokas KA (2014b) Review of the stability of biochar in soils: predictability of O:C molar ratios. Carbon Manag 1(2):289–303Google Scholar
- Wu H, Lai C, Zeng G, Liang J, Chen J, Xu J, Dai J, Li X, Liu J, Chen M, Lu L, Hu L, Wan J (2016) The interactions of composting and biochar and their implications for soil amendment and pollution remediation: a review. Crit Rev Biotechnol:1–11Google Scholar
- Yang D, Yun GL, Sha BL (2016) Biochar to improve soil fertility. A review. Agron Sustain 36Google Scholar
- Zhang M, Gao B, Varnoosfaderani S, Hebard A, Yao Y, Inyang M (2013) Preparation and characterization of a novel magnetic biochar for arsenic removal. Bioresour Technol 130:457–462Google Scholar