A review: Evolution of branching T-junction geometry in terms of diameter ratio, to improve phase separation

Intercropped soybean boosts nitrogen benefits and amends nitrogen use pattern under plastic film mulching in the semiarid maize field

Gas-liquid separation technology is vital in various industries, including oil exploitation, chemical engineering, and fluid machinery. Consequently, numerous scholars have explored empirical and numerical study aspects of gas-liquid separation to enhance its performance. Considered from the point of view of separation methods, gas-liquid separation is divided into four main categories: gravity, inertial, filtration, and centrifugal. Gravity separation is mainly researched around two structures: horizontal and vertical. Inertial separation is primarily concerned with the structural shape of the device and the change in the direction of the inertial force to achieve efficient separation of the gas and liquid phases. Filtration separation is mainly studied around the screen's structural shape and chemical properties (surface modification) to separate. Centrifugal separation is primarily carried out through experiments and numerical simulations to investigate the effects of structural and operational parameters on the internal flow field and separation performance of the device. The gas-liquid separation performance is improved by optimizing the structural and functional addition; these methods have been categorized according to the selected research object and the methodology employed. In addition, the separation mechanism is described. This more in-depth analysis can improve the gas-liquid separation performance more accurately and practically. This comprehensive review also highlights the need to explore several research directions in gas-liquid separation technology. Firstly, a more in-depth mechanistic research investigation is essential to understand the underlying phenomena better. Secondly, cohesively integrating multiple technological means can lead to more efficient separation processes. Lastly, employing numerical models for optimization is promising for further advancements in this field. Selecting appropriate approaches and devices is crucial for achieving high-efficiency gas-liquid separation. By combining empirical and numerical studies information and adopting a multidisciplinary approach, researchers can address existing challenges and unlock new possibilities in gas-liquid separation technology. 

Empirical and numerical advancements in gas-liquid separation technology: A review

Whenever T-junctions are used in chemical processes and petroleum industries for two-phase separation, a maldistribution of phases is observed between outlets of the junction. Currently, the regular T-junctions are utilized in the industry due to which equipment downstream faces high liquid carryovers. Unfortunately, downstream equipment is not capable of handling high liquid carryovers and they trip frequently, consequently. This review manuscript summarizes the effect of different factors that influence phase separation in the T-junction. This article refers to the geometrical parameters, phase superficial velocity flow regimes encounter during the separation process, and different side arm modifications. This article is a contribution to this field as it summarizes and concludes all these factors comprehensively, to give a verdict on ways to improve phase separation. It is also recommended that the effect of side arm modifications or combinations must be explored for further understanding.

/pdf/review-of-factors-affecting-the-phase-redistribution-in-the-4a58wuwruk.pdf

Review of Factors Affecting the Phase-Redistribution in the Branching T-Junction

Hydrochemical characteristics of groundwater in a plain river network region: Establishing linkages between source and water quality variables.

Effect of continuous N fertilizer reduction on N losses and wheat yield in the Taihu Lake region, China

Multitube T-junctions can be used as an oil-water-gas pre-separator in the oil and gas industry. In this paper, the mixture model, coupled with the k-e turbulent model, was applied for a simulation of the oil-water-gas three-phase flow characteristics in the multitube T-junction separator. The oil droplet size ranged from 1 to 4 mm. The water content ranged from 5% to 20% and the gas content from 3% to 25%. According to the phase separation results for different droplet sizes, it was found that, as the oil droplet size increased, the water content at the water outlet initially increased and then tended to be stable. Therefore, it was necessary to increase the oil droplet size through corresponding measures before flowing into the T-junction for separation. For the separator with an inner diameter of 50 mm, the oil content at the inlet had a great influence on the water-oil separation performance, and the water-oil separation performance was obviously improved as the oil content decreased. Owing to increased residence time, the oil content had little influence on the water-oil separation performance when the separator with an inner diameter of 100 mm was applied. Moreover, for the separator with an inner diameter of 100 mm, the oil content had little influence on the degassing effect, and more than 90% of the gas could be discharged from the gas outlet. The separation performance of the multitube T-junction separator became worse as the inlet gas content increased.

https://www.mdpi.com/2073-4441/11/12/2655/pdf

Oil-Water-Gas Three-Phase Separation in Multitube T-Junction Separators

This article presents the synthetic methods of double-bonded azacycles and their applications as bioisosteres in drug discovery. Our focus was on the creation of fragment (2) (1,1′,4,4′-tetrahydro-2H,2′H-3,3′-biazetylidene) and its utilization as a bioisostere in compound (34). The analysis of how FT-4202 (etavopivat), a new activator of the pyruvate kinase, and compound (34) bind with the PKR protein showed comparable interactions with the adjacent amino acids. Through biochemical and cellular evaluations, it was also demonstrated that the activities of compound (34) and its analogs align well with FT-4202. This finding points to the promising prospect of utilizing fragment (2) as a bioisostere for fragment (1). 

Double-bonded azacycles used as bioisosteric moieties in drug discovery

Differential modulations of lauric acid and its glycerides on high fat diet-induced metabolic disorders and gut microbiota dysbiosis.

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Papers

Effect of continuous N fertilizer reduction on N losses and wheat yield in the Taihu Lake region, China

Oil-Water-Gas Three-Phase Separation in Multitube T-Junction Separators

Double-bonded azacycles used as bioisosteric moieties in drug discovery

Differential modulations of lauric acid and its glycerides on high fat diet-induced metabolic disorders and gut microbiota dysbiosis.