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Structural functionalization of industrial softwood kraft lignin for simple dip-coating of urea as highly efficient nitrogen fertilizer
Li, Jiebing1,2; Wang, Miao1,2; She, Diao1,3,4; Zhao, Yadong2
2017-12-15
Source PublicationINDUSTRIAL CROPS AND PRODUCTS
ISSN0926-6690
Volume109Pages:255-265
Corresponding AuthorLi, Jiebing(jiebing.li@ri.se) ; Zhao, Yadong(yadong@kth.se)
AbstractUrea coating was conducted using polylactic acid (PLA) blended with industrial softwood kraft lignin after applying a dip-coating technique. The lignin was pre-functionalized via esterification that increased coat layer hydrophobicity or via amination that created an organically bound nitrogen structure. The PLA film reference had many pores, while the film from the PLA-lignin derivative complex was highly homogeneous and had no pores. The coat thickness was generally adjustable by repeating the coating process reaching up to 81% weight against the urea core. After coating, urea release in water was largely delayed, 20-30 and 6-10 times as long as that of uncoated urea or PLA-coated urea respectively. The coated urea will be a highly effective nitrogen fertilizer due to the controlled release after coating, the slow release from the organically bound nitrogen structure, and the expectedly extra stability against urease hydrolysis and microorganism nitrification after using the lignin structure.
KeywordLignin Esterification Mannich reaction Dip coating Nitrogen fertilizer
DOI10.1016/j.indcrop.2017.08.011
WOS KeywordSLOW-RELEASE FERTILIZER ; WATER-RETENTION ; POLYMERS ; SUPERABSORBENT ; NITRIFICATION ; NANOCOMPOSITE ; IMPROVEMENT
Indexed BySCI
Language英语
Funding ProjectChinese Scholarship Council (CSC)
Funding OrganizationChinese Scholarship Council (CSC)
WOS Research AreaAgriculture
WOS SubjectAgricultural Engineering ; Agronomy
WOS IDWOS:000413880300033
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/61175
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Jiebing; Zhao, Yadong
Affiliation1.Res Inst Sweden RISE, Drottning Kristinas Vag 61, S-11486 Stockholm, Sweden
2.KTH Royal Inst Technol, Teknikringen 56-58, S-10044 Stockholm, Sweden
3.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Fanning Loess P, Xinong Rd 26, Yangling 712100, Shaanxi, Peoples R China
4.Chinese Acad Sci & Minist Water Resources, Xinong Rd 26, Yangling 712100, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Li, Jiebing,Wang, Miao,She, Diao,et al. Structural functionalization of industrial softwood kraft lignin for simple dip-coating of urea as highly efficient nitrogen fertilizer[J]. INDUSTRIAL CROPS AND PRODUCTS,2017,109:255-265.
APA Li, Jiebing,Wang, Miao,She, Diao,&Zhao, Yadong.(2017).Structural functionalization of industrial softwood kraft lignin for simple dip-coating of urea as highly efficient nitrogen fertilizer.INDUSTRIAL CROPS AND PRODUCTS,109,255-265.
MLA Li, Jiebing,et al."Structural functionalization of industrial softwood kraft lignin for simple dip-coating of urea as highly efficient nitrogen fertilizer".INDUSTRIAL CROPS AND PRODUCTS 109(2017):255-265.
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