Hubei Sanli Fengxiang Technology Blog

  The   Methyl Acetate Manufacturing Process , moreover retaining its usefulness from solvent applications, is gaining significance as an intermediate in the production of other valuable goods. Due to its unfavourable physical attributes (viz. Article of azeotropes and solubility in water) pure methyl acetate containing low levels of methanol and water isn't readily obtainable using traditional procedures. A traditional esterification procedure which may be used for its production of methyl acetate comprises the addition of a feed mixture comprising extra methanol and acetic acid into an esterifier containing aqueous acetic acid and a solid acid catalyst (e.g. toluene-para-sulphonic acid) under reflux conditions. A normal ester distillate product obtained by use of a 2:1 molar ratio feed of methanol:acetic acid must comprise 59.9percent w/w methyl acetate, 26 percent w/w methanol and 14.5% w/w water. Conventionally purification of such a crude ester distillate is effected at a...

  End uses for MEG range from clothes and other textiles, through packing to kitchenwaresearch engine coolants and antifreeze. Polyester and fleece fabrics, upholstery, rugs and pillows, in addition to mild and sturdy polyethylene terephthalate drink and food containers originate from ethylene glycol. The humectant (water attracting) properties of MEG products also make them perfect for use in fibres therapy, paper, adhesives, printing inks, leather and cellophane. MEG is a colourless, odourless liquid with a syrup-like consistency. 55% of MEG is used to make polyester fibres. 25% of MEG is employed in polyethylene terephthalate - or PET - packaging and bottles. 45% of the planet's MEG output is consumed in China. Global MEG demand was approximately 21 million tonnes in 2010. Forecasts indicate that by 2015, demand could be above 28 million tonnes each year. In China, MEG need continues to grow at around 7 percent every year. Shell opened among the world's biggest MEG plants in...

  Monoethylene glycol (MEG), also known as ethylene glycol (EG) or simply glycol, is a diol mostly employed for its production of polyester fibers and polyethylene terephthalate (PET) resins. It is also utilized in antifreeze programs and in pharmaceuticals and cosmetics. MEG is produced through the hydrolysis of ethylene oxide (EO), which is obtained via ethylene oxidation. From the described process, MEG is produced via EO, which is fabricated in an integrated plant using Shell EO technology. An important characteristic of the procedure is the minimal production of diethylene glycol (DEG) and triethylene glycol (TEG), which occur as byproducts in other ethylene glycol production processes. We are professional  MEG Plant Supplier  and we can supply  MEG Production Technology , welcome to contact us.

  Today we will explain  the  Introduction of Auto-oxidation Process . Rancidity may be said to be the subjective organoleptic appraisal of the off-flavour quality of meals. Oxidative rancidity is worried about the changes that lead to the reactions involving the lipids in meals with atmospheric oxygen.Oxidation of unsaturated lipids not only generates offensive odors and tastes but may also decrease the nutrient quality and safety due into the formation of secondary reaction products in foods after cooking the oxidative deterioration of food lipids involves, primarly, the autoxidation response, so called due to its autocatalytic mechanism. the autoxidation is a complex procedure which proceeds through complimentary ra-,dicals by a chain mechanism2- 4 • The Understanding of the autoxidation process, even though not clear in most. The facets, is mainly as a result of study of systems.

  Formalin's main ingredient is formaldehyde. The main function is disinfection, sterilization, anticorrosion, carcinogenesis. Formaldehyde can bind to amino group of protein and make protein coagulate, so it can be used as tissue fixative and preservative in medicine. This property is destructive to most microorganisms at sufficient concentrations and doses, and is often used as a disinfectant. Formalin is also widely used in industry, such as adhesives, dyes, paints and so on. The products derived from formalin are actually quite easy to touch in our life. It is also a possible allergen to asthma. Animal husbandry also uses formalin in conjunction with "Potassium permanganate" for formaldehyde fumigation in squatters or eggs before hatching. As for the use of fish disease treatment, at least 80 years of history, on the external parasites and fungi, bacteria and even viral infections, have a good effect. Its main advantage is that it is cheap and can deal with pathogens ...

  A top formaldehyde feed concentration and a very low reaction temperature are one of the advantages of utilizing heteropolyacids (phosphotungstic acid and silicotungstic acid) as catalysts in the   Trioxane Synthesis ; this cyclic trimer of formaldehyde (see strategy ) is employed in the industrial production of acetal resins. In comparison to responses with a traditional catalyst, like sulfuric acid, trioxane could be produced in higher yield and with greater selectivity. More information about  Trioxane Production for Polyoxymethylene Plastics , welcome to contact us.

  A procedure for the creation of unsubstituted and lower alkyl substituted p-aminophenols. A charge mixture is prepared containing an unsubstituted or lower alkyl substituted nitrobenzene substrate, a platinum catalyst and a sulfur compound. The sulfur compound might be a divalent sulfur compound where sulfur is bonded to two other moieties or a compound reducible to these sulfur chemical beneath catalytic hydrogenation conditions. Hydrogen is introduced into the mixture while it's agitated at a temperature of 0.degree.-40. degree. C., thereby reducing the substrate to an unsubstituted or alkyl substituted phenylhydroxylamine. The hydroxylamine is thereafter heated to a temperature of at least 70. degree. C. and agitated at least 70. degree. C. in the presence of a highly dissociated acid, therefore effecting rearrangement of the hydroxylamine to the corresponding p-aminophenol. More information about  Alkylated Phenol Plant  and  Alkyl Phenol Production Process , w...