Influence of Pyrolysis Temperatures on FTIR Analysis, Nutrient Bioavailability, and Agricultural use of Poultry Manure Biochars

被引：80

作者：

Bavariani, Mokhtar Zolfi ^{[1
]}

Ronaghi, Abdolmajid ^{[2
]}

Ghasemi, Reza ^{[2
]}

机构：

[1] Bushehr Agr & Nat Resources Res & Educ Ctr, AREEO, Soil & Water Res Dept, POB 1731,Varzesh St, Bushehr, Iran

[2] Shiraz Univ, Coll Agr, Dept Soil Sci, Shiraz, Iran

来源：

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS | 2019年 / 50卷 / 04期

关键词：

Agricultural use; chemical properties; poultry manure biochar; temperature; BLACK CARBON; SOILS; BIOMASS; ENERGY; SORPTION; SLUDGE; CONTAMINANTS; MECHANISMS; AMENDMENT; BENEFITS;

D O I：

10.1080/00103624.2018.1563101

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

This study was conducted to investigate the effect of pyrolysis temperature on chemical properties of poultry manure (PM) biochar over the range of 200-500 degrees C. Chemical properties of biochar produced at 200 degrees C were almost the same as PM, but significant changes were observed in higher-temperature-produced biochars. According to elemental and fourier transformation infrared analyses, the degree of carbonization in biochar was accelerated with increasing pyrolysis temperature. Biochar yield decreased, while its pH, cation exchange capacity, and P, K, Fe, Mn, Zn, and Cu contents increased with increasing pyrolysis temperature. The biochar produced at 400 degrees C or 500 degrees C was highly alkaline. Also, due to high electrical conductivity, these types of biochars may not be suitable for salt-sensitive crops. It was concluded that the pyrolysis temperature of more than 300 degrees C reduces the quality of PM biochar for use in calcareous soils, although it may be suitable for acidic soils or environmental application.

引用

页码：402 / 411

页数：10

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