DOI: 10.1016/j.cej.2023.142016 Corpus ID: 257063052; Mechanism and process optimization for H2S removal by plant-derived deodorant @article{Wang2023MechanismAP, title={Mechanism and process optimization for H2S removal by plant-derived deodorant}, author={Jinxue Wang and Pin-jing He and Yujing Wang and Hua Zhang and Fan L{"u}}, …
Process optimization, thermal hazard evaluation and reaction mechanism of m-xylene nitration using HNO 3-Ac 2 O as nitrating reagent. Author links open overlay panel Hang Yao, ... The nitration mechanism with mixed acid or pure HNO 3 have been extensively investigated (Cyrille et al., 2019, Wang et al., 2015). Zhu et al. (2023) proposed the ...
The aim of this study is to investigate the effects of various process parameters (the grinding-wheel speed, feed rate, workpiece speed, spark-out grinding time, and grinding-wheel granularity) on the surface quality of single-crystal SiC during nanogrinding while concurrently analysing the grinding mechanism and optimising the overall process.
Download Citation | Efficient biodegradation of tris-(2-chloroisopropyl) phosphate by a novel strain Amycolatopsis sp. FT-1: Process optimization, mechanism studies and toxicity changes | In this ...
Optimization of cleaning process Fig. 5 (a) shows the effect of solid-liquid ratio on the cleaning result under the condition of 80 min stirring time and pH = 7. When the solid-liquid ratio was in range of 1:2–1:10, the oil content of drilling cuttings was smaller than 2 wt%.
The Triggering Mechanism and Optimization Intelligence. Data orchestration can be broken down into two key components: the triggering mechanism and optimization intelligence. The triggering mechanism initiates workflows based on specific events, time schedules, or changes in data.
In this study, the selectivity of a hydrophobic deep eutectic solvent (HDES) comprising 2-ethylhexylphosphonic acid mono-(2-ethylhexyl) ester (P507) and L-menthol (Men) was assessed for the extraction and separation of Cu(II), Co(II), and Ni(II) from acidic leaching solutions, aiming to make the HDES system more consummate and provide a novel approach …
The prepared biochar displayed a high recyclability performance attaining degradation ratios of 98.2, 96.53, 96.4, 92.8 and 88% in five sequential cycles under the optimum conditions. The degradation mechanism was explored showing that sulfate radicals were the prime reactive species in the degradation system.
Here, the SLM process optimization was conducted to achieve a high relative density of as-built CoCrFeNiMn HEA bulks. The mechanisms of process-induced defects and process control were elucidated. The microscale mechanical behaviors were analyzed through in situ scanning electron microscopy observation during the compression tests on micro ...
Mechanism and process optimization for H 2 S removal by plant-derived deodorant. Author links open overlay panel Jinxue Wang, ... while controversy still exists on its effect of removing the malodorous substances with the fact that the removal mechanism and parameter optimization of this deodorization technology were rarely reported.
In this paper, a novel BCLG-DMC process is proposed, which essentially couples the BCLG process with DMC synthesis using methanol synthesis as a "link" to achieve multi-stage utilization of biomass resources, save resources, and protect the environment. The main conclusions from microscopic mechanisms to process optimization are as follows. (1)
Mechanism optimization follows a similar work flow used for Mechanism Reduction described in Guided Mechanism Reduction.Two options for targets are available, as shown in Figure 2.22: Operation Setup for global mechanism optimization: user provided data or Chemkin project.If a Chemkin project is used, it must have the same initial conditions and parameter study setup as …
A sulfonated ligand-aqueous two-phase system for selective extraction of thorium from mining wastewater: Process optimization, structural characterization and mechanism exploration Author links open overlay panel Ying Huang a b c, Yuxian Liu a b, Yang Ruan a b, Jian Gong a b, Lingjun Kong a b, Minhua Su a b, Weixing Han a b, Minling Yang ...
Based on a self-design comprehensive experimental platform, the experimental investigation on electropulse-assisted incremental forming (EAIF) was carried out. By means of the response surface methodology, the interactive influence rules and significances of different processing parameters on formability of AZ31B sheet metal were investigated. The …
The intricacies of chemical process mechanisms present the foremost challenges in this context. As a result, there has been a notable focus in recent years on employing machine learning technology to construct data-driven surrogate models, which serve as alternatives to complex mechanism models and show great performance on process optimization ...
Process Optimization of Robotic Grinding to Guarantee Material Removal Accuracy and Surface Quality Simultaneously Dingwei Li, Dingwei Li ... Study on Mechanisms of Photon-Induced Material Removal on Silicon at Atomic and …
Process optimization is the discipline of adjusting a process to optimize specific parameters without violating constraints, ultimately enhancing efficiency, productivity, or quality.
In summary, ultrasound is one of the most promising methods for efficient extraction of germanium from zinc oxide dust. Based on analyzing the germanium existing state, the response surface method was used to optimize the process conditions of ultrasound-enhanced leaching of germanium-containing zinc oxide dust, and the leaching mechanism of ultrasound …
The possible mechanism is that H 2 O 2 is activated by PTA and then reacts with DPS. The process safety assessment of the process was carried out using the risk matrix method and the Stoessel critical diagram method. The result showed the risk was unacceptable and the risk level was 5.
Process optimization to enhance utilization efficiency of precipitants for chloride removal from flue gas desulfurization wastewater via Friedel's salt precipitation
Polyoxymethylene dimethyl ethers (DMMn) are promising diesel additives. The synthesis of DMMn from methylal (DMM) and paraformaldehyde over the NKC-9 acidic ion-exchange resin catalyst was investigated. Many unrecyclable by-products such as methyl formate, dimethyl ether and formic acid were produced in the reaction. To increase the selectivity of the …
Operations optimization is the continuous activity of observing, understanding, improving, testing, and streamlining business processes toward maximizing desired business outcomes such as throughput, efficiency, …
To reveal how CaF2 improves the dissolution ratios of aluminum and iron ions in coal gangue, CaF2 and hydrochloric acid are used to extract Al3+ and Fe3+ from the coal gangue calcined powder. The leaching ratios of Al3+ and Fe3+ are measured, and the filter residues are analyzed by BET, XRD, and SEM. The results show that adding 3% CaF2 could increase the …
Furthermore, the current efficiency of the FFC Cambridge process remains suboptimal and necessitates optimization. 33,34 In the present study, due to the scarcity of investigations on TiO 2 granule/powder electro-reduction in CaCl 2 flux, a comprehensive analysis is conducted to shed light on TiO 2 granule deoxidation thermodynamics and ...
The paper reviews the influencing mechanisms and process optimization of the MD process and the intensification of the MD process with the aim of improving permeation performance, reducing polarization effects and reducing membrane fouling, but the pursuit of technological development is not only augmentation, but also energy efficiency and ...
Nevertheless, this process is constrained by several complex factors, such as the selection of catalysts, optimization of reaction conditions, and identification of mechanism. In this study, a task decomposition strategy was adopted by combining a catalyst and reaction condition optimization machine learning (CRCO-ML) model and a mechanism ...
Request PDF | Thermally activated persulfate for gaseous p-xylene removal: Process optimization, mechanism investigation, and pathway analysis | The coupling of wet scrubber with thermally ...
Compared with the crystal nucleation process, the crystal growth has a more important impact on regulating crystal size, morphology, etc. [12, 13].In general, crystal growth encompasses two fundamental processes: bulk diffusion and surface reaction [14].For instance, the crystal growth of pentaerythritol is controlled by the complex mechanisms of surface …
Production optimization is a collection of activities designed to increase productivity in the production system. It's separate from process optimization, where the optimization effort is focused on making the finished …
Process optimization and mechanism for removal of high-concentration chlorine from municipal solid waste incineration fly ash washing wastewater by Friedel's salt. ... Process optimization to enhance utilization efficiency of precipitants for chloride removal from flue gas desulfurization wastewater via Friedel's salt precipitation.
Indeed, the integration of simulators with solver platforms for optimization can be computationally intensive and time-consuming due to the complexity of mechanism-based simulations, including nonlinearities, thermodynamic constraints, and physical property estimations [29, 30].This can lead to difficulties in convergence and efficiency of the …
But its mechanism is still unclear and the NH 3 stripping process has received little attention. At the same time, the high concentration of NH 4 +-N in the anaerobically treated leachate also has great recycling potential. In this study, typical HNAD microorganisms were enriched and used for nitrogen removal from anaerobically treated leachate.
Innovative Application of Mechanical Activation for Rare Earth Elements Recovering: Process Optimization and Mechanism Exploration Sci Rep. 2016 Jan 28;6:19961. doi: 10.1038/srep19961. ... This novel process indicates that mechanical activation is an efficient method for recovering REEs from waste phosphors, and it has promising potential for ...