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3篇 您的检索式:作者名="Cahyo"
    题名 作者 年代 出处 被引量
1Impact of biochar on mineralisation of C and N from soil and willow litter and its relationship with microbial community biomass and structure显示文摘Cahyo Prayogo Julie E. Jones Jan Baeyens Gary D. Bending 2014Biology and Fertility of Soils2014,,4:1
2Purification of bioethanol fermentation broth using hydrophilic PVA crosslinked PVDF-GO/TiO_(2) membrane显示文摘The presence of impurities in the bioethanol fermentation broth should be removed to mitigate any possible ineffective refining processes as well as to enhance bioethanol production. In this study, a prefiltration process was carried out for separating fermentation yeast cells and residual substrates using a microfiltration membrane. Hydrophilic polyvinylidene fluoride-graphene oxide/titanium dioxide(PVDF-GO/TiO_(2)) membrane with polyvinyl alcohol(PVA) surface-coating modification was fabricated and characterized. Membrane modification attempts have succeeded in increasing the hydrophilicity as indicated by contact angle decline from 72.10° to 34.83° and affinity towards water leading to higher water permeability. The performance evaluation showed that 90.77% of unwanted by-products(yeast cells and residual substrate) can be removed. This high rejection is also followed by a high and stable flux performance at 40.20 L·m^(-2)·h^(-1) where the flux was increased by 13 times compared to that of the neat membrane. The PVA-coated PVDF-GO/TiO2showed the best anti-biofouling performance with a flux recovery ratio after 5 days incubation(FRR5d) of 93.55%. This membrane material has excellent prospects in future membrane development for either in-situ application or as a pre-filtration in the fermentation process to separate living cells and residual substrates before being further processed in the refining processes.Tutuk Djoko Kusworo Monica Yulfarida Andri Cahyo Kumoro Dani Puji Utomo 2023Chinese Journal of Chemical Engineering2023,55,3:0
3EXPLORING THE RELATIVE ADVANTAGES OF LOCAL INNOVATION IN AGROFORESTRY显示文摘Adopting community-based innovations in agroforestry is key to enhancing livelihoods in forest farmer communities.This research aimed to explore the perceived advantages of the forest farmer technique of coffee branch bending to overcome the light limitations under the shade of a pine forest.The concepts of perceived characteristics of innovation were used to explore the advantages of this technique.Using a case study of an exclusive forest farmer clique in UB(University of Brawijaya)Forest in Indonesia,it was found that the local technique had high perceived relative advantages.Compared to the others,the bending technique increases coffee production and is easy to do.It was also found to be superior to reducing production costs and is perceived as more environmentally friendly,promoting it as a valuable sustainable practice.Technical experts need to validate it and may embrace it as a co-innovation for the available external agroforestry recommendations.Its adaptability to the local socio-ecological context and techno-economical constraints makes it a prospective innovation to be extended through social forestry programs.Edi Dwi CAHYONO Eka PRADESTI Cahyo PRAYOGO SUHARTINI Riyanti ISASKAR 2023Frontiers of Agricultural Science and Engineering2023,10,1:0
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