Gramine also called donaxine is a naturally occurring indole alkaloid present in several plant species Gramine may play a defensive role in these plants since it is toxic to many organisms Occurrence Gramine has been found in the giant reed Arundo donax Acer saccharinum Silver Maple Hordeum a grass genus that includes barley and Phalaris another grass genus

IDENTIFICATION Hexylamine is a colorless liquid It has a fishy odor It is very soluble in water It occurs in some plants and is a component of tobacco smoke USE Hexylamine is used to make other chemicals and as a flavor or odor additive in foods EXPOSURE Workers who use hexylamine may breathe in vapors or have direct skin contact

special importance Plant economics are negatively impacted by the loss of revenue due to unplanned corrosion caused plant outages and the cost for repair of the corrosion damages Many of the causes of amine plant

Pine Oil 8 De1oydrogenated Rosin Amine 16 Emulsifying Agent 12 2 12 1 76 Pine Oil 8 Dehydrogenated Rosin Amine Acetate 16 Emulsifying Agent 8 6 12 1 The stabilized rosin amines

WHAT ARE AMINE PLANTS Amine treating plants remove CO 2 carbon dioxide and H 2 S hydrogen sulfide from natural gas The process is known as gas sweetening or acid gas removal using various alkanolamines commonly referred to as amines Gases containing H 2 S and CO 2 are commonly referred to as sour or acid gases Sour gas is undesirable

The speed of hydrolysis of the vinyl acetate is 1 000 times greater than its saturated analogous in a alkaline medium and it was researched that its speed of hydrolysis is significantly lower at a p H of 4 4 1 Kirk Othmer 1978 Vol 23 pp 817 Vinyl Acetate from ethylene acetic acid and oxygen Industrial Plant Simulation

Amine any member of a family of nitrogen containing organic compounds that is derived either in principle or in practice from ammonia NH3 Naturally occurring amines include the alkaloids which are present in certain plants the catecholamine neurotransmitters i e dopamine epinephrine

Jan 10 2012· Methods of applying cyclopropene amine derivatives and compositions thereof to inhibit ethylene receptors in plants and plant material are disclosed Methods include applying to the plant an effective ethylene response inhibiting amount of at least one cyclopropene amine

Aug 25 2017· Once the chemical is absorbed into the plant either amine or ester it is converted to the active acid which in turn injures or kills plants that are susceptible to the respective herbicide While with practical experience we have applied 2 4 D amide acetate

Methylamine dehydrogenases from methylotrophs 136 and aromatic amine dehydrogenase from or Pseudomonas putida 137 all catalyze the oxidative deamination of amines Amino acid dehydrogenases have been known for a long time They are NADPH or NADH dependent and use the cheap nitrogen donor ammonium to form amino acids from the corresponding keto acid

amine salts HSAS such as acetate oxalate glycolate bicine and formate The formation of these salts creates multiple problems The acid removal capabilities of the amine solution is now decreased due to the conversion to salts Chemical usage must increase to reduce the Amine Sweetening Plant Amine Absorber Acid Gas Stripper Sour Gas From

Amine gas treating also known as amine scrubbing gas sweetening and acid gas removal refers to a group of processes that use aqueous solutions of various alkylamines commonly referred to simply as amines to remove hydrogen sulfide H 2 S and carbon dioxide CO 2 from gases It is a common unit process used in refineries and is also used in petrochemical plants natural gas processing

US2490924A US762016A US76201647A US2490924A US 2490924 A US2490924 A US 2490924A US 762016 A US762016 A US 762016A US 76201647 A US76201647 A US 76201647A US 2490924 A US2490924 A US 2490924A Authority US United States Prior art keywords rosin amine pest control rosin amine salts Prior art date 1947 07 18 Legal status The legal status is an assumption and is not a

Amines and chelants are versatile materials that deliver a wide range of performance properties in many different applications and products Amines Amines are multi functional organic compounds derived from ammonia Like ammonia amines are weak bases so they work well for neutralizing acidic components and buffering pH in a wide variety of

Amine salts have relevance in a wide variety of applications from materials science to biological systems Amines are derivatives of ammonia wherein one or more hydrogen atoms have been replaced by a carbon chain substituent to become a primary secondary tertiary amine

Even more carryover of amine solution to the downstream plant could be a result of foaming 11 12 13 Sarker 14 has discussed the theoretical effect of various process variables on the

Responsible for implementing a CI program at the 125 person Morris manufacturing site which produces a variety of fatty amines and their derivatives for many different end users including fabric

Polycarboxylate polymer based grinding aid technology e data of this plant application shows a 13 produc tion increase of a traditional amine based grinding aid e polycarboxylate polymer powered

Deep Bed Filtration In the late 1960 s a new process 4 for filtration of glycol and amine solutions was developed and patented utilizing a deep coarse bed of activated carbon This process overcomes some of the objections of the above two mentioned processes

The top layer is fed to a refluxing column from which the residue containing 95 ethyl acetate is distilled to remove any impurities A number of new technologies have been commercialised In its 220 000 tonnes year plant

Amine scrubbing solutions used for gas treatment at refineries chemical sulphur and gas processing plants remove hydrogen sulphide H2S and carbon dioxide CO2 from gas streams Yet one of the problems with amine solutions is the gradual accumulation of byproduct contaminants called

Acid Gas Treating Chapter 10 Based on presentation by Prof Art Kidnay Updated January 4 2019 amines Cellulose acetate Polyimide Polysulfone Figure 10 1 Fundamentals of Natural Gas Processing Typical Amine Treating Plant Typical plant

The antifoam injected into the gas plant s amine solvent was a glycolic base a common antifoam that is a long chain alcohol Extreme caution should be exercised with its use

The testing will examine the consequences of using each amine alone and in combination with ammonia chloride sulfate and acetate The project will have five phases

Average acetate and formate concentrations measured by ion chromatography in steam samples from Unit 4 Cetamine V219 and Unit 1 Cetamine G850 0 6 0 5 0 4 0 3 0 2 0 1 0 Conductivity G850 after Catio n Exchange µS cm · –1 V219 Experience with the Application of a Film Forming Amine in the Connah s Quay Power Plant PowerPlant Chemistry

total annualized cost to the amine unit s At flow rates less than 270 MMscfd 19 CO 2 the membrane network had lower operating costs ranging from 175K to 39MM and a total annualized cost ranging from 202K to 45MM At the same flow rates the amine unit had

Cellulose acetate membranes deteriorate by hydrolysis at pH levels less than 4 or Corrosion will lower plant efficiency and increase maintenance costs Low pH excursions can cause hydrogen and 9 6 to 9 9 with Alternate Amine

Methyl diethanolamine also known as N methyl diethanolamine and more commonly as MDEA is the organic compound with the formula CH 3 N C 2 H 4 OH 2 It is a colorless liquid with an ammonia odor It is miscible with water ethanol and benzene A tertiary amine it is widely used as a sweetening agent in chemical oil refinery syngas production and natural gas