An innovative example of herb residues recycling by gasification in a fluidized bed

Guo, Feiqiang; Dong, Yong; Dong, Li; YuanZhuo, Jing

doi:10.1016/j.wasman.2012.12.009

Cited by 70 publications

(21 citation statements)

References 7 publications

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“…For this reason, several attempts, such as pyrolysis, composting, vermicomposting, feedstuff, and biosorbent, have been proposed in previous reports [ 11 ]. However, there is still no effective method to exploit herb residues on an industrial scale to achieve the clean production of TCM [ 12 ]. Edible mushroom cultivation is an economically viable, environmentally friendly method for the disposal of agro-industrial wastes, along with biotransformation into protein-rich foods [ 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

Yield, Nutritional Content, and Antioxidant Activity ofPleurotus ostreatuson Corncobs Supplemented with Herb Residues

Jin

Ren

et al. 2018

Mycobiology

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Improper disposal of herb residues in China has caused severe problems to the surrounding environment and human safety. Three herb residues, i.e., compound Kushen injection residues (CKI) and part one and part two of Qizhitongluo Capsule residues (QC1 and QC2, respectively), were used for the cultivation of Pleurotus ostreatus. The effect of the supplementation of corncobs (CC) with different herb residues on yield, nutritional composition, and antioxidant activity of P. ostreatus was investigated. Compared to the control, the higher mycelial growth rate was observed on substrates CC +30% CKI and CC +30% QC1, while the higher yield was obtained from substrates CC +30% QC2 and CC +30% CKI. Moreover, chemical analysis of fruit bodies revealed that the addition of herb residues to CC significantly increased proteins, amino acids, ashes, minerals (Na and Ca), and total phenolic contents but significantly reduced carbohydrates and IC50 values of DPPH radicals. In addition, no heavy metals (Pb, Cd, and As) were detected in the fruiting bodies harvested from different substrate combinations. These results demonstrated that mixtures of CC with herb residues might be utilized as a novel, practical, and easily available substrate for the cultivation of P. ostreatus, which is beneficial for the effective management of herb residues.

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Section: Introductionmentioning

confidence: 99%

Yield, Nutritional Content, and Antioxidant Activity ofPleurotus ostreatuson Corncobs Supplemented with Herb Residues

Jin

Ren

et al. 2018

Mycobiology

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“…In previous researches, HR was reused for produce organic fertilizer, feed additives, pyrolysis gasification, papermaking, and biological fermentation for preparation of ethanol, etc [15]. But because of the diversity and complexity of the HR component, there are potential safety problems in the process of reusing HR [16]. Therefore, how to reuse and recycle HR effectively and environmentally friendly is necessary and essential from the viewpoint of industry utilization.…”

Section: Introductionmentioning

confidence: 99%

Interfacial Compatibility on the Crystal Transformation of Isotactic Poly (1-Butene)/Herb Residue Composite

et al. 2021

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Isotactic poly (1-butene) (iPB) has excellent properties which are recognized as a green and energy saving product. However, the most stable and valuable crystal form I had a spontaneous transformation that took as long as seven days to complete. As a special solid waste, the herb residue (HR) is rich in cellulose which has great potential to accelerate the crystal transformation of the iPB. However, the polarity of HR results in the interface compatibility with non-polar iPB. In this study, the HR was modified by silane coupling agent (KH570) to obtain KHR and the iPB/HR composite was prepared. The FTIR spectrum was indicated that the organic functional groups of KH570 successfully graft onto the surface of HR and the water contact angle test was indicated that the hydrophilicity of the KHR was greatly decreased. The complete crystal transformation time is 7 days for iPB, 6 days for iPB+5% HR but only 3 days for iPB+5% KHR. The addition of the HR and KHR improve the thermal stability of the composite and this beneficial effect is more obvious for KHR. After annealing for 5 days, the physical properties value include tensile strength, flexural strength, and HDT of iPB+5% HR reach that of pure iPB after annealing for 7 days, but only 3 days for iPB+5% KHR. The TG analysis and SEM photographs give clear evidence that the beneficial effect of KH570 modified HR on improving the interface compatibility with iPB.

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“…The traditional landfill treatment of herb residue causes serious environmental problems, such as underwater pollution and the release of odor, because herb residue is easy to decay and there is lots of drug residue (Zeng et al, 2016). Herb residue has been used to obtain biogas, however, the production of biogas requires relatively higher cost (Guo et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Microbial activity was greater in soils added with herb residue vermicompost than chemical fertilizer

Zhang

et al. 2020

Soil Ecol. Lett.

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Herb residue vermicompost is thought to have high agriculture value, while its effects on soil microbial activities have not been fully understood. Here, soil microbial biomass, respiration and enzyme activities in soil planted with maize were compared among treatments amended with herb residue vermicompost at rates of 25, 50, 75 and 100 g kg -1 , chemical NPK fertilizer and no fertilizer (the control). Our results showed that soil microbial biomass carbon, respiration, and alkaline phosphatase, urease, and invertase activities were greater in soil amended with herb residue vermicompost than the unfertilized control (P < 0.05). Compared with chemical fertilizer, herb residue vermicompost increased soil urease and alkaline phosphatase activities at each application rate, promoted soil respiration and microbial biomass carbon at the application rates of 50, 75 and 100 g kg -1, and increased soil inverse activity at the application rates of 75 and 100 g kg -1 . In conclusion, herb residue vermicompost supported greater soil microbial biomass, respiration and enzyme activities than conventional NPK fertilizer, and the effect was larger when higher rates of herb residue vermicompost were added.

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An innovative example of herb residues recycling by gasification in a fluidized bed

Cited by 70 publications

References 7 publications

Yield, Nutritional Content, and Antioxidant Activity ofPleurotus ostreatuson Corncobs Supplemented with Herb Residues

Yield, Nutritional Content, and Antioxidant Activity ofPleurotus ostreatuson Corncobs Supplemented with Herb Residues

Interfacial Compatibility on the Crystal Transformation of Isotactic Poly (1-Butene)/Herb Residue Composite

Microbial activity was greater in soils added with herb residue vermicompost than chemical fertilizer

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