chemical refining process

Refining Vegetable Oils: Chemical and Physical Refining
2022year1month11day The present review aimed at comparing the two main industrial technologies used for vegetable oils’ refining, namely, chemical refining and physical
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Crude oil to chemicals: How refineries can adapt
2022year6month30day A typical modern refinery employs dozens of process technologies, each focused on a different product yield. Coking, residual hydrocracking, and visbreaking eliminate residuum; FCC, isomerization,
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Petroleum refining Definition, History,
Petroleum refining, conversion of crude oil into useful products, including fuel oils, gasoline (petrol), asphalt, and kerosene. Learn more about petroleum refining, including its history and the various processes used
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A Viewpoint on the Refinery of the Future:
2020year6month30day Typical process developments in industry have directed to the new-generation refinery process for cracking of heavier feedstock to gasoline and light olefins (e.g., propylene) as byproducts and coal
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The refinery of the future - Nature
2024year5month8day We can attempt to close the carbon cycle associated with their use by electrifying refinery processes and by changing the raw materials that go into a refinery
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Petroleum Processing and Refineries SpringerLink
2019year7month3day Oil refinery process units: upgrading processes for top-of-the-barrel cuts—VGO and lighter—which boiling below about 1050 °F (556 °C). Please refer to the key for stream descriptions. Almost all units
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Crude Oil Refinery and Refinery Products SpringerLink
2021year8month10day The process of turning crude oil into useful commercial products is termed ‘refining’ and is carried out in very complex plants called oil refinery. Prior to the refinery
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Manufacture of Crude Palm Oil and Refined Palm Oil
2021year8month10day To produce refined palm oil (RPO), the objectionable impurities in the CPO are removed to obtain the required levels using two main methods: chemical or alkali
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Petroleum Refining – Visual Encyclopedia of
2024year9month25day Visual Encyclopedia of Chemical Engineering Equipment / Petroleum Refining. 1 – Fractionation. The first stage in the petroleum refining process is separating the crude oil into various components
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A Viewpoint on the Refinery of the Future:
2020year6month30day Renewable energy (top right quadrant) integration within the refining process results in nearly a CO 2-neutral operation. High Resolution Image. Download MS PowerPoint Slide. We believe, in the
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Refinery Process Chemicals - Berryman Chemical
5 天之前 Refinery Process Chemicals Whether you need hydrogen sulfide scavengers, demulsifiers, or corrosion inhibitors, we provide a vast array of oil refinery chemicals to increase your productivity and efficiency. HYDROGEN SULFIDE SCAVENGERS; OIL AND GAS DEMULSIFER CHEMICALS/DESALTERS;
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Analysis of the Changes in Volatile Compound and Fatty
2018year2month1day In this study, the effect of chemical refining on the volatile compound and fatty acid profiles of crude fish oil was evaluated. The process mainly comprises degumming, deacidification, decoloration, and deodorization. The changes in volatile compounds during the refining process were detected by headspace solid phase micro extraction (HS
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Effect of refining process on physicochemical parameters, chemical ...
2019year7month1day In the present work, the effect of refining process on physicochemical parameters (acid and peroxide values), chemical compositions (fatty acid and phytochemical contents) and in vitro antioxidant activities of rice bran oil (RBO) were investigated. The results showed that acid and peroxide values of the test RBOs decreased significantly
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Metallurgy - Refining, Alloying, Smelting Britannica
2024year9month5day Metallurgy - Refining, Alloying, Smelting: Refining is the final procedure for removing (and often recovering as by-products) the last small amounts of impurities left after the major extraction steps have been completed. It leaves the major metallic element in a practically pure state for commercial application. The procedure is accomplished in three
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Influence of chemical refining process and oil type on bound
2009year12month1day The formation of bound 3-chloro-1,2-propanediol (3-MCPD-ester) in oils during chemical refining process was investigated for two palm oils and one rapeseed oil. Additionally, contents of mono- and ...
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The effect of refining process on the physicochemical
2019year3month8day Although the traditional chemical refining processes are useful to remove the majority of these unwanted components and could achieve the desired color and a mild taste, micronutrients such as tocopherol, phytosterols, β-carotene and phenolic compounds will have at somewhat loss during the refining process, and antioxidant activity of oil will ...
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Chemical Process and Refining Technology Training Course
3 天之前 This Chemical Process and Refining Technology training course delves into the intricacies of chemical process engineering within refinery operations. Participants will explore the transformation of crude oil into valuable end products such as gasoline, diesel, and jet fuel. By focusing on the technological advancements in distillation, cracking ...
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Influence of chemical refining process and oil type on bound
2009year12month1day The formation of bound 3-chloro-1,2-propanediol (3-MCPD-ester) in oils during chemical refining process was investigated for two palm oils and one rapeseed oil. Additionally, contents of mono- and diglycerides as well
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Effect of the chemical refining process on perilla seed oil
2019year9month1day The effect of chemical refining process on the physicochemical characteristics and oxidative stability of perilla seed oil was investigated. We analyzed five samples corresponding to each step of the refining process (degumming, neutralization, bleaching, deodorization, and refined oil). The results indicated that the acid value
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Handbook of Petroleum Processing - SpringerLink
Steven A. Treese retired from Phillips 66 in 2013 as the Hydro processing Team Lead after 40 years; but continues to take on the occasional consulting assignment in process engineering and refining. He started
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Optimization of degumming parameters in chemical refining process
2017year11month29day The chemical refining process consists of the following steps: degumming, neutralization, bleaching and deodorization [6]. Degumming is the first stage of the refining process, removing phospholipids, traces metal ions, and other mucilaginous materials. Phospholipids can function as natural antioxidants in crude oils but may cause
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Optimization of neutralization parameters in chemical refining
2017year1month1day Thus, vegetable oil manufacturer is forced to optimize the refining process in order to maximize the removal of impurities and minimize the losses of bioactive compounds during the refining process due to the market competition. Chew et al. (2016) reported that chemical refining process improves the quality of kenaf seed oil. However, the ...
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Chemical refining methods effectively mitigate 2-MCPD
2022year6month1day Using the chemical refining process, the final GE concentration was just below the European Commission’s ML of 1.00 mg/kg. Concerning 3-MCPDE, the observed final level of 0.78 mg/kg was well below the new ML in the EU. These new limits were recently changed (over the course of these treatments) and now also include unbound 3
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Desmet - Refining
2024year9month30day Classical chemical refining is used to make the oil suitable for human consumption, through successive steps: it must be degummmed, neutralised, bleached, deodorised and sometimes winterized. Neutralisation can also be done by distillative removal of the free fatty acids in the deodorizer. The latter sequence is better known as
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Refining Vegetable Oils: Chemical and Physical Refining
2022year1month11day The first step consists of subjecting the oil to phosphoric acid in the short-mix chemical refining process. For degumming, it is the most important stage, and it must be performed carefully [31, 43]. To evaluate degumming efficiency for a given refined oil sample, an analysis test called “Degumming Efficiency” was developed. This test is ...
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Optimizing the chemical refining process parameters on the
2 天之前 The optimal process parameters of chemical refining removed approximately 90% of FFAs at an excess level of sodium hydroxide of 0.2%, temperature of 70°C, and time of 2 h. The experimental and predicted values for FFA removal showed minimal deviations during the validation of the developed regression model. Soap and FFA contents of
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Development process and future trends of chemical refining
2024year3month1day BRINKMAN [85] invented a process to make powder or mixed raw materials under the protection of inert gas to undergo aluminothermal reaction and produce a more stable Al–Ti–B intermediate alloy refining agent after cooling, and the refining effect of the generated refining agent is significant and stable.
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Controllability of low-consistency chemical pulp refining process
2019year9month2day Refining process is more controllable as the pulp development progresses. ... In the presented work, the low-consistency refining of softwood chemical pulp was investigated. The main objective of the presented research was to define a Degree of Pulp Refining Controllability (DOPRC) and to develop the method for calculation of this factor. ...
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Effect of the chemical refining process on composition and
DOI: 10.1111/jfpp.14800 Corpus ID: 225587714; Effect of the chemical refining process on composition and oxidative stability of evening primrose oil @article{Pan2020EffectOT, title={Effect of the chemical refining process on composition and oxidative stability of evening primrose oil}, author={Fengguang Pan and Yuanyuan Li and Xiangdan Luo and Xiaoqing
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