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A critical review on the biochar production techniques ...

A critical review on the biochar production techniques ...

Dec 01, 2020 The product using the hydrothermal process is referred to as the hydrochar to differentiate the product produced from dry processes such as pyrolysis and gasification . During the process, the biomass is blended using water and is placed in a closed reactor. The temperature is slowly increased for maintaining stability.

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Effect of Moisture on Polymer Deconstruction in HCl Gas ...

Effect of Moisture on Polymer Deconstruction in HCl Gas ...

Feb 16, 2022 The HCl gas system previously used to produce cellulose nanocrystals was applied on Scots pine wood, aiming at a controlled deconstruction of its macrostructure while understanding the effect on its microstructure. The HCl gas treatments resulted in a well-preserved cellular structure of the wood. Differences in wood initial moisture content (iMC) …

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Allotropes of carbon - Wikipedia

Allotropes of carbon - Wikipedia

Graphite, named by Abraham Gottlob Werner in 1789, from the Greek γράφειν (graphein, to draw/write , for its use in pencils) is one of the most common allotropes of carbon.Unlike diamond, graphite is an electrical conductor. Thus, it can be used in, for instance, electrical arc lamp electrodes. Likewise, under standard conditions, graphite is the most stable form of carbon.

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Artificial cells: from basic science to applications - PMC

Artificial cells: from basic science to applications - PMC

It has been suggested that life might have originated in a hydrothermal environment [42,43], in which the spatial temperature gradient provided conditions for primitive genetic molecules (DNA, RNA) to self-replicate and proliferate in a PCR-like fashion [41,44,45]. Protein biosynthesis can also be carried out in liposomes.

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Integrating micro-algae into wastewater ... - ScienceDirect

Integrating micro-algae into wastewater ... - ScienceDirect

Jan 15, 2021 A further drawback of conventional wastewater treatment systems, as shown in Fig. 1, especially the activated sludge technology, is the high production of sludge.Between 2006 and 2007, the total quantity of sludge produced by 27 member states of the European Union was estimated at 10.1 million tonnes of dry solids – an amount which is expected to rise to 13 …

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Tandem catalysis with double-shelled hollow spheres ...

Tandem catalysis with double-shelled hollow spheres ...

Jan 27, 2022 Taking the synthesis of Fe 2 O 3 @silicalite-1 (S-1) DSHSs as an example, simple mixing of Fe 3+-CSs (Fig. 1b and Supplementary Fig. 1) and S-1 nanocrystals (Φ mean = 58 nm, Supplementary Fig. 2 ...

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Pyrolysis: A Sustainable Way to Generate Energy from Waste ...

Pyrolysis: A Sustainable Way to Generate Energy from Waste ...

Oct 15, 2016 The particles move down to the bottom of the cyclone through a centrifugal force, during which time drying, heating up and devolatilization take place simultaneously. The heating temperature is usually 450–550 C with residence time of 0.5–1 s. The reactor is highly economical in terms of investment and bio‐oil yield .

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Bacterial biofilms: from the Natural environment to ...

Bacterial biofilms: from the Natural environment to ...

Similar structures are seen in biofilms growing in hydrothermal hot springs (a–c), biofilms growing in freshwater rivers (d,e) and laboratory flow cells (f–h).Biofilms growing in quiescent or ...

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ACS Applied Nano Materials | Vol 5, No 1

ACS Applied Nano Materials | Vol 5, No 1

Utilization of QD assemblies as a chiral platform for enantioselective recognition are promising materials in the chiral sensing field and give readers great hints for designing exciting new probes for chiral discrimination. A combination of such supramolecular chiral assembly with reference luminescence materials provides a wide range of color tonalities, enabling simple visual …

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