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Membrane distillation
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Part 2 book "Fluid mechanics, heat transfer and mass transfer - Chemical engineering practice" includes content: Shell and tube heat exchangers; heat transfer equipment involving phase transfer; refrigeration, heat pumps, heat tracing, coiled and jacketed vessels, steam traps, and immersion heaters; compact heat exchangers, regenerators, and recuperators; radiant heat transfer and fired heaters; mass transfer basics; mass transfer equipment; absorption, distillation, and extraction; crystallization, air–water operations, drying, adsorption, membrane separations, and other mass transfer proc...
402p
muasambanhan09
12-03-2024
5
0
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Part 1 book "Coulson and Richardson's chemical engineering (Vol 2: Particle technology and separation processes)" includes content: Particulate solids; particle size reduction and enlargement; motion of particles in a fluid; flow of fluids through granular beds and packed columns; sedimentation; fluidisation; liquid filtration; membrane separation processes; centrifugal separations; leaching; distillation.
320p
muasambanhan09
12-03-2024
6
0
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Part 2 book "Chemical process equipment" includes content: disintegration, agglomeration, and size separation of particulate solids; distillation and gas absorption; extraction and leaching; adsorption and ion exchange; crystallization from solutions and melts; chemical reactors; process vessels; membrane separations; gas solid separations; costs of individual equipment.
453p
muasambanhan09
12-03-2024
3
0
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In this study, to fulfill the aforementioned objectives, MD treatments of actual primary MWWTP effluents were carried out. The effects of some pretreatments such as glass microfiber filtration and feed chlorination on the permeate flux and generated water quality were investigated.
8p
viwhitewolf
11-07-2023
5
4
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A microbial biosensor using a pH meter and Gluconacetobacter xylinus -immobilized eggshell membrane was developed. The proposed microbial biosensor is cost-effective, fast and easy to operate device to determine the ethanol content in simple alcohol beverages.
6p
vidoctorstrange
06-05-2023
6
3
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From ancient times, water has always been considered an important resource that played crucial roles in the rise and fall of human civilizations. For its essential and irreplaceable parts on the health, dignity, and prosperity of people, the access to water has been recognized by the United Nations as an important human right, and could significantly affect the realization of other fundamental human rights.
6p
vidoctorstrange
06-05-2023
6
3
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Bài viết trình bày việc tìm thông số vận hành tối ưu cho màng MD như: nhiệt độ, lưu lượng, kích thước lỗ màng; Chạy mô hình flat sheet để xác định hiệu quả xử lý nước biển thành nước ngọt của màng MD.
14p
vimarillynhewson
17-05-2022
24
2
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In this preliminary study, black spinel-carbon nanocomposite was synthesized and investigated for improved solar radiation absorbance aimed for the solar-driven integrated MD seawater desalination process. The black spinel-carbon nanocomposites were based on black spinel CuCr2O4 doped with various Fe3+ content. The black spinel-carbon nanocomposite was synthesized using the hydrothermal method and was characterized with respects to structural morphology and radiation absorbance properties.
10p
cothumenhmong9
04-01-2021
17
3
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In this study, a direct contact membrane distillation (DCMD) process of the LiCl liquid desiccant solution was simulated using MATLAB software. The simulation was first validated with the data obtained from experimental tests. Then, it was used to elucidate the feed and distillate temperatures, LiCl concentration, and water flux profiles along the membrane leaf inside the DCMD membrane module. Finally, with the help of the simulation, the effects of membrane properties and process operating conditions on the DCMD process performance were systematically examined.
13p
cothumenhmong9
04-01-2021
9
1
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Gladiolus is very important cut flower crop in floriculture industry and maintaining the quality of cut spikes is very imperative topic. Therefore, the current study was conducted to investigate the effects of salicylic acid (SA) on keeping the quality and extending the vase life of gladiolus cut spikes. Gladiolus spikes were put in holding solutions of SA at 0.2, 0.4, 0.6 and 0.8 mM while control spikes were placed in distilled water. The vase life of gladiolus spikes was considerably extended due to SA application relative to untreated spikes. Treating gladiolus spikes with SA at 0.
11p
angicungduoc5
14-06-2020
4
0
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The width of the air space was controlled by the change in the number of plastic mesh in the permeability chamber. The results showed that the quality of permeate solution was identical with the quality of normal distillate water and the desalination efficiency of AGMD module strongly depended on the feed temperature, air-gap. The optimum condition found was 60 °C of feed temperature and air-gap width of 5 mm, then the water recovery flux reached 2.5 L.m-2 .h-1 .
7p
mangamanga
29-02-2020
25
0
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This experiment was laid down in Post Graduate Laboratory, Department of Agronomy Lovely Professional, University, Phagwara, Punjab which is situated at Latitude at 31.253 N and Longitude at 75.703E at the altitude of 240.0 m above the sea level. To check the effect of halo priming, osmo priming, and hydro priming on the fresh and accelerated aged baby corn seeds. Different dose of priming solution with different time duration was tested.
6p
nguathienthan2
19-12-2019
7
0
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The results reported in this study manifest that seawater AGMD desalination can be a practical process to supply drinking water to small and remote communities in Vietnam.
7p
bautroibinhyen211
26-11-2018
28
0
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This paper provides a comprehensive review of mature and emerging membrane processes destined for water treatment. These processes include pressure-driven filtration (e.g. microfiltration, ultrafiltration, nanofiltration, and reverse osmosis), osmotically driven forward osmosis, and thermally driven membrane distillation.
12p
bautroibinhyen211
26-11-2018
35
0
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The results reported in this study demonstrate the viability of DCMD for small-scale seawater desalination in Vietnam given its long coastline together with a large number of islands and great solar energy availability.
8p
lamtan3547
04-11-2018
12
1
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The connection between operating temperature and membrane scaling/cleaning during an air gap membrane distillation (AGMD) process of seawater has been systematically elucidated in this study. Experimental and mathematically simulated data demonstrate the profound influences of feed salinity and membrane scaling on water flux at various operating temperatures.
8p
cumeo4000
01-08-2018
30
0
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This paper provides a comprehensive review of the seawater MD desalination process. The fundamentals of the MD process including configurations, membrane modules, membrane properties, and heat and mass transfer mechanisms together with approaches to enhancing heat and mass transfer are first systematically reviewed and analyzed.
24p
cumeo3000
01-08-2018
26
0
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present: changes since the 1993 ers analysis of ethanol production; ethanol’s energy efficiency; advances in separation technologies; new ways of fermentation; new enzymes; distillation technology; control systems; environmental technologies; technologies involving coproducts; stillage clarification and other uses of membranes; regional impacts of ethanol plants; national benefits from ethanol…
33p
loixinloi
08-05-2013
57
8
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