Dehydration of transformer oil

Transformer oil dehydration is based on use of synthetic adsorbents. Removal of water as one of the main promoters of the oxidation process significantly extends the life of the transformer and increases operation reliability on the network.

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PEER-REVIEWED ARTICLE bioresources

product to absorb engine oil, kerosene, and xylene was studied and compared with other cellulose-based adsorbents. The adsorbent had an excellent performance with a high absorbing ability of 16 to 28 times its own weight. Up to 92.8% of the oil in the adsorbents could be easily recycled and collected by manual squeezing.

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SULFATREAT H₂S Removal & Treatment | Schlumberger

While upstream natural gas processing is the primary application, the range of adsorbents works effectively in most gaseous streams. ... Iron oxide– and mixed metal oxide–based adsorbents. Remove hydrogen sulfide and mercury from liquid hydrocarbons.

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Adsorption Techniques | EMIS

Adsorption takes place when molecules in a liquid bind themselves to the surface of a solid substance. Adsorbents have a very high internal surface area that permits adsorption. Active carbon is by far the most commonly used adsorbent and is particularly suited to the removal of apolar compounds. Other adsorbents are used for specific applications:

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H-Oil Process - Axens

H-Oil Process. The H-Oil ® process uses ebullated-bed hydrocracking technology to process heavy feedstock residues such as vacuum gasoils (VGO), deasphalted oils (DAO), Coal derived oils, Atmospheric and Vacuum Residue with high metals, CCR, sulfur, nitrogen, asphaltenes and solid contents that can cause rapid catalyst fouling and contamination. The goal is to destruct residue and …

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Utilization of mixed adsorbents to extend frying oil life ...

May 15, 2018· Utilization of mixed adsorbents to extend frying oil life cycle in poultry processing ... adsorbent in improving the quality of palm oils used continuously for 30 and 36 h in the deep-fat frying of legume-based snacks. These results might be caused by a greater capability and higher adsorption power of mixed adsorbents to react with the ...

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Adsorbents - UOP LLC

UOP adsorbents remove impurities to help you avoid costly equipment failure and plant shutdowns, reduce hazardous conditions and meet high-purity product specifications. With a vast portfolio of molecular sieve and activated alumina adsorbents, our experts can help identify the right adsorbent solution to meet your goals.

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Adsorbent - an overview | ScienceDirect Topics

Shou-Heng Liu, in Biochar from Biomass and Waste, 2019. 16.3 Adsorption. CO 2 capture by solid adsorbents is a process through which the CO 2 adsorbates are attached onto the surface of adsorbents. Typically, adsorption process can be divided into chemical and physical adsorption based on the interaction between adsorbate and adsorbent.

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Adsorbents Catalysts Honeywell Forge for Industrial Lifecycle Solutions Training Services ... Gas Processing What's New See more. Products & Services ...

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Adsorbents (UOP) | Alchemy Trading Company

Molecular Sieves characteristics and applications UOP Speciality Molecular Sieves include: Type Nominal Molecules Applications Pore Dia. Adsorbed** 3A 3 angstrom Molecules with an effective diameter <3 angstroms including H20 and NH3 Preferred adsorbent for commercial dehydration of unsaturated hydrocarbon streams (cracked Gas, propylene, butylene and acetylene) Dries polar …

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Adsorbents - Axens

Our extensive range of adsorbents is based on over 60 years of engineering and manufacturing of Activated Aluminas, molecular sieves and Guard-Bed materials. These adsorbents efficiently respond to every type of drying and purification requirement to serve the refining, petrochemical, gas, alternative fuels and water treatment industries.

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(PDF) Effect of Extraction and Adsorption on Re-refining ...

through a column of different adsorbents. An oil of colour index (yellow) 2, carbon residue 0.14%, sul- ... the best processing conditions to separate base oil suitable for the formulation of new ...

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How are adsorbents used for environmental cleanup ...

Apr 10, 2012· Because adsorbents are reusable in the physical adsorption process, they're cheaper and preferable for environmental cleanup purposes. The process for adsorption often involves what's called a fixed bed adsorber, in which a substance such as air passes through a bed of solid adsorbent.

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Using Adsorbents to Mitigate Biodiesel Influence on the ...

Aug 11, 2020· Magnesium aluminum hydroxycarbonate and 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-buty-4-hydroxybenzyl)benzene were applied, and the formation of oligomers in the base oil-RME mixture was monitored. The adsorbents intercept the precursors of the aging procedure and, therefore, interfere with the aging process.

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Review on the Effectiveness of Adsorbent Materials in Oil ...

seafood processing wastes, seaweed and algae, peat . ... adsorbents for oil removal from water surface. This ... "Nanotechnology-Based Solutions for Oil Spills". Nanotechnology-based solutions for ...

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OIL ADSORBENTS - gfsfilter.com

Oil Adsorbent Pack Length 500 mm, diameter 150 mm, net wei ght 0.5 kg each. Oil adsorb ent capability: up to 12 kg per use (data obtained under lab conditions only). Repeat use allowed. Auto coating & paint oil removal Wastewater oil removal Machine shop oil removal Shipyard oil removal Oil spill cleanup Oilfield process water oil removal

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Polymeric Adsorbent Resins for Industrial Applications

Dec 19, 2006· ability) polymer matrices for synthetic adsorbents: aromatic polystyrenic or polydivinylbenzene, and aliphatic methacrylate, Table 3. Polymeric adsorbents can be slightly modified with a tertiary amine weak base anion exchange functionality …

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USE OF SORBENT MATERIALS IN OIL SPILL RESPONSE

oil preferentially to water, i.e. it should be both oleophilic and hydrophobic. Sorbent materials can act either by adsorption or, less commonly, by absorption. In adsorption, the oil is preferentially attracted to the surface of the material whereas absorbents incorporate the oil, or other liquid to be recovered, into the body of the material.

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Waste Lubricating Oil Treatment by Adsorption Process ...

Process parameters like solvent type, solvent to oil ratio, extraction temperature, adsorbent to oil ratio, adsorption time (contact time), adsorption temperature and base oil to chemical additive ...

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US4102783A - Adsorbent process for oily materials - Google ...

US4102783A US05/748,445 US74844576A US4102783A US 4102783 A US4102783 A US 4102783A US 74844576 A US74844576 A US 74844576A US 4102783 A US4102783 A US 4102783A Authority US United States Prior art keywords oil fibers crude waste water treating Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

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Purification of olefin and polymer process streams

UOP Adsorbents for the Purification of Olefin and Polymer Process Streams streams are water, carbon dioxide, methanol and carbonyl sulfide. These impurities and others have been effectively removed using regenerative adsorption processes for decades. UOP adsorbents used for the removal of these contaminants include zeolite molecular sieves ...

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Adsorbent - an overview | ScienceDirect Topics

Adsorbents are used in medicine mainly for the treatment of acute poisoning, whereas other extracorporeal techniques based on physico-chemical principles, such as dialysis and ultrafiltration, currently have much wider clinical applications [1]. Nevertheless, there are medical conditions, such as acute inflammation, hepatic and multi-organ ...

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Decolourization of recovered base oil from used lubricant ...

The recovered base oil is contacted with a certain percentage of the chosen adsorbents where the colour of this oil is compared to new oil by using a spectrophotometer. Based on the results from the factorial design analysis, an adsorbent mixture of 12 grams containing 80% activated clay and 20% activated carbon added to 100 ml of base ...

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Lithium Recovery from Oil and Gas Produced Water: A Need ...

adsorbents, membrane-based processes, and electrolysis-based systems (Figure 1). Li is a valuable metal, broadly known for its current application in the energy-storage sector, in Li-ion batteries, and for its potential use in thermonuclear fusion; Li is also used in CO 2 adsorbents …

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A new method to prepare oil adsorbent utilizing waste ...

A cellulose-based oil adsorbent was developed utilizing the waste paper PS-16 (mixed kraft cuttings) via a simple modification process. Through mechanical treatment and spray with polyethylene wax and alkyl ketene dimer, it was found that the product was significantly more hydrophobic than the raw material, with a water contact angle of 125.6°.

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Adsorptive Selectivity and Mechanism of Three Different ...

Microalgae bio-oil is of interest as a potential alternative to traditional fossil-fuel-based transportation fuels. However, the presence of nitrogenous compounds in the bio-oil can lead to the release of NOx (a polluting gas) during combustion, and is detrimental to the environment. Thus, it is necessary to selectively remove these compounds from the bio-oil prior to the bio-oil being used as ...

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