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US5095145A - Preparation of purified terephthalic acid ...

A process is disclosed for producing fiber-grade terephthalic acid from waste polyethylene terephthalate film, fiber, bottles, manufacturing residues, and other manufactured articles. The process comprises depolymerizing waste polyethylene terephthalate in an aqueous mixture to obtain crude terephthalic acid having a b*-value less than 10.00 and an RFCVIS value of …

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Purification of Crude Glycerol From Biodiesel - Glycerin ...

Crude glycerol is the by product produced throughout the biodiesel production process. However glycerol produced at this stage is crude glycerol which is about 80% pure and contains other contaminants like methanol, water, salt and soap. Crude glycerol has approximately about 45% glycerol, 10-15% water and methanol, 10-15% salt, and 30% soaps …

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Pour point depression and flow improvement of waxy crude ...

Effect of CNSL-PEG esters on pour point. The effect of additive dosage on pour point of crude oil is presented in Table 2.Oil pour point was reduced by a maximum of 12 °C using 1000 ppm CN 1 PG and 4000 ppm CN 2 PG, respectively. CN 1 PG shows higher pour point depression efficiency. The pour point depressant effect of the additives increased with …

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Gerdau Ameristeel - Eaton

Consequently, water glycol can be a tough challenge for piston pumps—the case in point for the competitive pumps originally specified by Gerdau Ameristeel. "The bearings in the pumps are small, making it difficult for them to withstand the load and effects of the reduced film strength of the water glycol-based fluid," says Rod Pizzey ...

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Flowserve to Read on Hydrocarbon Processing

requirements. Available with coke crusher design Operating Parameters • Flows to 2050 m3/h (9000 gpm) • Heads to 335 m (1100 ft) • Temperatures to 450°C (850°F) • Pressures to 80 bar (1160 psi) 10 Process Pumps Flowserve hydrocarbon processing pumps comply with the latest applicable industry standards.

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Oil Storage Tank Manufacturer | Berkito

Oil storage tank manufacturer. Storage tank Turkey. All king of storage tank design, engineering, erecting, manufacturing in Turkey. Steel storage tanks, fuel storage tanks, fuel oil jet systems, jet fuel tanks, undergound storage tansk,diesel storage tanks, vertical oil tanks, storage tanks.

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Glycerol to Propylene Glycol

Propylene glycol is a value-added derivative of crude glycerol that has the potential to be a profitable venture. PG is used in a number of markets including unsaturated polyester resins, plastics, antifreeze products, plane de-iceres, industrial solvents, and consumer goods such as

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Import Data and Price of crude glycol 20 under HS Code ...

CRUDE MIX GLYCOL ( ETHYLENE GLYCOL, WATER CONTENT, DENSITY 20` C SG20`C) (FOR CAPTIVE CONSUMPTION) Malaysia: Tughlakabad: KGS: 10: 271: 27: Mar 27 2014: 38249015: CRUDE MIXTURE GLYCOLS IN 1X20` ISOTANK( EG FLASHER BOTTOMS) Singapore: Nhava Sheva Sea: KGS: 20,010: 621,229: 31: Mar 11 2014: 38249015: CRUDE …

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CN103483179B - Method for purifying crude sodium formate ...

The invention discloses a method for purifying a crude sodium formate byproduct from neopentyl glycol production. The method comprises the following steps: (1) dissolving secondarily-distilled residue from neopentyl glycol production in water to obtain a crude sodium formate solution; (2) adding calcium formate, and precipitating to remove oxalate and …

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Crude Fat Methods Considerations - AAFCO

Crude Fat Methods – Considerations AAFCO Lab Methods & Services Committee Crude Fat Best Practices Working Group January 2014 The crude fat laboratory methods are "defining" or "empirical" methods. The crude fat fraction is defined by the solvent and the extraction conditions (time, temperature,

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Polymerupdate News - Propylene prices decline in Asia

CFR China propylene prices were assessed at the USD 1015-1020/mt levels, a fall of USD (-20/mt) from Tuesday's assessed levels. FOB Korea propylene prices were assessed lower at the USD 990-995/mt levels, a day on day drop of USD (-20/mt). In plant news, Shell, has taken off-stream its cracker in early November 2021 for a maintenance turnaround.

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The comparison of propylene glycol and glycerol as feed ...

glycol or 500 ml of crude glycerol (80.4% glycerol, 3.5% ash, 10.7% water, 0.18% methanol, 5.2% non-glycerol organic matter). Subsequently for the next 20 days, the same doses were administered as part of the TMR diet given ad libitum. Doses of additives were established according to combustion heat values for crude glycerol (13.98 MJ · kg ...

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Identification of impurities affecting commercial ethylene ...

At present, ethylene glycol produced by some plants still has low UV transmittance rendering it unsuitable for use in polyester production. In this paper, a method was developed for the identification of the impurities that cause commercial ethylene glycol to have low UV transmittance, using solid-phase extraction (SPE) and some analytical ...

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glycol for cement grinding aids india

Oct 09, 2020· Mono Ethylene Glycol (MEG) MEG is a colourless, odourless liquid with a syrup-like consistency. It is mainly used for two purposes, as a raw material in the manufacture of polyester fibers and for antifreeze formulations. Mono-ethylene Glycol (MEG) can be used for applications that require chemical intermediates for resins ...

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New Uses for Crude Glycerin from Biodiesel Production ...

Crude glycerol generated from biodiesel production is impure and of little economic value. In general, glycerol makes up 65% to 85% (w/w) of the crude stream (Gonzalez-Pajuelo et al. 2005; Mu et al. 2006). The wide range of purity values can be attributed to different glycerol purification methods or different feedstocks used by biodiesel ...

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US8394999B2 - Process for converting glycerin into ...

US8394999B2 US13/417,696 US201213417696A US8394999B2 US 8394999 B2 US8394999 B2 US 8394999B2 US 201213417696 A US201213417696 A US 201213417696A US 8394999 B2 US8394999 B2 US 8394999B2 Authority US United States Prior art keywords glycerin reactor propylene glycol phase stream liquid Prior art date Legal status (The legal status …

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Petroleum Refining Process - ILO Encyclopaedia

Many products derived from crude-oil refining, such as ethylene, propylene and butadiene, are olefinic hydrocarbons derived from refinery cracking processes, and are intended for use in the petrochemical industry as feedstocks for the production of plastics, ammonia, synthetic rubber, glycol and so on.

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Glycol Dehydration Process - an overview | ScienceDirect ...

The glycol dehydration process is an example of a process that provides absorption dehydration, and in the process, a liquid desiccant provides the means to absorb water from the gas stream. Ethylene glycol (HOCH 2 CH 2 OH) was, initially, the principal chemical agent in this process, has a very strong affinity for water and when the glycol is in contact with a stream of …

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Design G1 - processdesign

In an effort to build a new bio-product facility for Evanston Chemical, Team BAT is considering producing 99.7% propylene glycol solution. Team BAT designed a small-scale process to use the crude glycerin waste from an up-steam biodiesel facility. It was assumed that capital is available at 12%.

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2018 Glycerine Structural Shift - eu.eventscloud

US Crude and Refined Glycerine Imports 2013 – 2016 Q1-Q3-5 10 15 20 25 30 35 40 45 0 20 40 60 80 100 Million Pounds CRUDE GLYCERINE REFINED GLYCERINE 2018 vs 2017 Q1 –Q3 +17% Source: US Harmonized Tariff System Imports of crude and refined 2018 Jan-August: Imports remain at a robust pace to satisfy US increasing demand.

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US4517102A - Method of breaking an emulsion and an ...

This invention relates to a composition of matter and to a method for producing a controllable, residue-free break of an emulsion or a dispersion of a water-in-oil emulsion. An emulsion breaker is incorporated into the emulsion. It is temporarily-protected (deactivated) so that breaking of the emulsion is initially avoided. By removing the protection, the breaker becomes active, and it …

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Amazon: SPILLFIX - 2 in 1 Spill Absorbent & Sweeping ...

Amazon: SPILLFIX - 2 in 1 Spill Absorbent & Sweeping Compound 9 Liter Bag - Safe, Organic, Easy to Use Universal Absorbent for Hazardous and Non-Hazardous Spill Cleanups : Industrial & Scientific

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Synthesis of poly(caprolactone)-block-poly[oligo(ethylene ...

Linear-bottlebrush, amphiphilic copolymers were grafted from the surface of silica (SiO2) nanoparticles to form "nanoparticle micelles" that, regardless of the concentration, possess the capability to encapsulate and stabilize non-polar structures in aqueous media. These nanoparticles afford high water dispe

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Polymerupdate News - Propylene prices remain stable in Asia

On Monday, despite weaker upstream crude and naphtha values, propylene prices were assessed steady i... Polymerupdate News - Propylene prices remain stable in Asia +(91-22) 61772000 (25 Lines)

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China's soybean demand in Q4 set to slacken as crushers ...

China's soybean crushers have been struggling with negative margins since June and the recent power restrictions could help elevate the margins a bit. China's gross crush margin improved by $10.42/mt on week to minus $7.52/mt, while prices for imported soybeans to China dropped by 1.4% on the week to $623.82/mt, according to S&P Global Platts ...

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SciELO - Brasil - OPTIMIZATION OF DEMULSIFIER FORMULATION ...

The homogenizer used in this study is Silent Crusher M manufactured by Heidolph and the incubator is Gerhardt, Model THO 500. ... Crude oil was dispersed in n-pentane or n-heptane at a concentration of 1:5 (v/v). ... (49% V/V) and urea (45% V/V). The main reason for selecting urea, in spite of better productivity of polyethylene glycol (47% ...

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Import Data and Price of crude glycol under HS Code 38 | Zauba

View detailed Import data, price, monthly trends, major importing countries, major ports of crude glycol under HS Code 38

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Material Safety Data Sheet CRUDE GLYCERINE

CRUDE GLYCERINE. Prepared by Central Laboratory Department at Verasuwan Co., Ltd. Effective date 1 June 2018 Page 7 of 9 . 12. ECOLOGICAL INFORMATION . Low toxicity to aquatic organism. 1,2,3-propanetriol, glycerol (56-81-5)

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Mono-ethylene glycol | Shell Global

Mono-ethylene glycol - or MEG - is a vital ingredient for the production of polyester fibres and film, polyethylene terephthalate (PET) resins and engine coolants. End uses for MEG range from clothing and other textiles, through packaging to kitchenware, engine coolants and antifreeze. Polyester and fleece fabrics, upholstery, carpets and ...

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