Generation of high-efficient biochar for dye adsorption using frass of yellow mealworms (larvae of Tenebrio molitor Linnaeus) fed with wheat straw for insect biomass production
Generation of high-efficient biochar for dye adsorption using frass of yellow mealworms (larvae of Tenebrio molitor Linnaeus) fed with wheat straw for insect biomass production
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利用小麦秸秆喂养的黄粉虫（黄粉虫幼虫）的粪便生成用于染料吸附的高效生物炭，用于昆虫生物质生产
DOI：
10.1016/j.jclepro.2019.04.005
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发表时间：
2019-08
影响因子：
11.1
通讯作者：
Wu Wei-Min
中科院分区：
文献类型：
--
作者：
Yang Shan-Shan;Chen Yi-di;Kang Jin-Hao;Xie Ting-Rong;He Lei;Xing De-Feng;Ren Nan-Qi;Ho Shih-Hsin;Wu Wei-Min
An innovative approach is developed to utilize the frass of mealworms (Tenebrio molitorLinnaeus 1758) for producing dye-removal biochar. Agricultural waste wheat straw (WS) was tested as feedstock versus wheat bran (WB) to rear mealworms for the production of insect biomass. Mealworms on WS grew at a slightly slower rate than those grown on WB for 32 days with ∼40% lignin removed at 25 °C. Biochars were generated using the frass of mealworms via pyrolysis. The best adsorption performance for three dyes, especially malachite green, a cationic dye, was the biochar of WS frass at 800 °C; it had better capacity (1738.6 mg/g) compared with the frass fed with bran, raw WS and raw WB as well as those reported in the literature. Adsorption of malachite green fits the Langmuir isotherm and the pseudo second order kinetic model, mainly due to chemisorption and electrostatic interaction. Our results demonstrated that the WS can be utilized to rear mealworms, and that frass of mealworms is an excellent raw material for generating high-efficiency bioadsorbents.
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