Class / Patent application number | Description | Number of patent applications / Date published |
203012000 | DISTILLING TO SEPARATE OR REMOVE ONLY WATER | 46 |
20090159422 | DEHYDRATION METHOD - A dehydration method for removing water from a hydrolysis reaction mixture containing unreacted water generated when monochlorobenzene is hydrolyzed to produce phenol, the method for dehydrating the hydrolysis reaction mixture comprising the steps of supplying a hydrolysis reaction mixture to a distillation tower, supplying a liquid containing monochlorobenzene to the tower top portion of the distillation tower, and removing the substantially whole amount of the water in the hydrolysis reaction mixture together with monochlorobenzene from the tower top portion by distillation. | 06-25-2009 |
20090166171 | Trifunctional membrane tube arrays - Membrane tubes or similar membrane devices are arrayed in layers so that liquid placed on their outer surfaces may be evaporated and also drain onto lower membrane devices. The entire array is subjected to moving air to enhance evaporation. The membrane devices function as filters while permeating water from industrial fluids while also providing evaporative surfaces to reduce the volume of used aqueous industrial fluids. The retentate surfaces of the membrane devices may also be on the interiors of the devices, and the permeate contacted with flowing air to evaporate the permeate. Unevaporated permeate is collected in either configuration for use as clean water, and concentrated fluid may be more easily handled, disposed or, and/or its components recycled. A cavitation device may be used to heat the aqueous industrial fluid to enhance permeation and evaporation rates with minimal scaling. | 07-02-2009 |
20110108408 | VACUUM DEHYDRATOR - A vacuum dehydrator for processing an oil containing entrained contaminants such as water, air, and particulates comprises a tower enclosing upper and lower chambers. A random packing is contained in the upper chamber. The oil is preheated to a temperature above the boiling point of water and is introduced into the upper chamber for downward flow through the random packing into the lower chamber. Entrained air and water is retained as water vapor in the upper chamber, and particulates are retained in the random packing. Heated ambient air is introduced into the lower chamber for upward flow through the random packing into the upper chamber, and the upper chamber is cooled to condense the water vapor. Oil and condensed water are pumped respectively from the lower and upper chambers. | 05-12-2011 |
20110278151 | Method for Producing Base Lubricating Oil from Waste Oil - A method for recovering base oil from waste lubricating oil by separating base oil range constituents from a waste lubricating oil mixture, thereafter separating higher quality base oil constituents and lower quality base oil constituents from the base oil recovered from the waste lubricating oil mixture and thereafter treating the lower quality base oil constituents to produce marketable base oil. The total base oil produced from a waste lubricating oil mixture by this process is greater than the quantity producible by previous processes using only base oil separation from the waste lubricating oil mixture or processes which use only treatment of the base oil recovered from the waste lubricating oil mixture to produce the product base oil. | 11-17-2011 |
20120279847 | METHOD OF CLEANING AND RECYCLING GLYCOL-TAINTED WATER FROM DE-ICING OPERATIONS AT AIRPORTS - The invention disclosed and claimed herein relates to treatment of water contaminated with glycol to be recycled for further effective use of the cleaned water resulting therefrom, especially at airports. More specifically, this invention relates to improved techniques for efficiently and reliably generating continuous flows of cleaned water as well as a continuous flow of recyclable glycol water of controlled concentration. | 11-08-2012 |
20130118889 | METHOD AND APPARATUS FOR SALT PRODUCTION - A method of producing one or more precipitable substances such as salt (NaCl) from a feed liquid source (such as sea water) in a precipitation apparatus, the method involving steps of providing a first solar energy treatment arrangement having at least one treatment panel construction having an upper solar energy transmission wall capable of passing solar energy to a treatment member located beneath the upper solar energy transmission wall, the or each treatment panel construction being arranged to receive liquid from the feed liquid source, the solar radiation energy concentrating the precipitable substance or substances in the treatment liquid within the or each said treatment panel construction, the method further sensing via a sensor the density of the treatment liquid discharged from the first solar energy treatment arrangement, returning the liquid discharged from the first solar energy treatment apparatus to an inlet region of the first solar energy treatment apparatus if the sensed density is below a first predetermined density level, passing liquid discharged from said first solar energy treatment arrangement to a final solar energy treatment arrangement having at least one final treatment panel construction having an upper solar energy transmission wall capable of passing solar energy radiation to a treatment member, distributing treatment liquid across a surface region of the treatment member whereby a precipitable substance is precipitated onto the surface region and subsequently removing the precipitable substance. | 05-16-2013 |
20140021032 | METHODS AND SYSTEMS FOR HEATING AND MANIPULATING FLUIDS - Systems and methods are provided for heating and manipulating a fluid to heat the fluid, evaporate water from the fluid, concentrate the fluid, separate the fluid into fractions; and/or pasteurize the fluid, comprising a closed-loop heating subsystem coupled to a primary fluid-to-fluid heat exchanger, and one or more fluid manipulation subsystems also coupled to the primary fluid-to-fluid heat exchanger. | 01-23-2014 |
20140021033 | METHODS AND SYSTEMS FOR HEATING AND MANIPULATING FLUIDS - Systems and methods are provided for heating and manipulating a fluid to heat the fluid, evaporate water from the fluid, concentrate the fluid, separate the fluid into fractions; and/or pasteurize the fluid, comprising a closed-loop heating subsystem coupled to a primary fluid-to-fluid heat exchanger, and one or more fluid manipulation subsystems also coupled to the primary fluid-to-fluid heat exchanger. | 01-23-2014 |
20140346033 | REGENERATION OF KINETIC HYDRATE INHIBITOR - The present invention relates to a method and system for regeneration of kinetic hydrate inhibitor when it is used without a thermodynamic inhibitor. In that the use of a distillation column or tower is not needed, the present invention enables a more compact system, which also improves the possibility for heat integration of the regeneration process leading to very low energy consumption. Additional improvements over the prior art include reduced cost of buying new chemicals, reduced environmental impact because the chemicals are not discharged with the produced water and the possibility for the use of higher concentrations of kinetic hydrate inhibitor with still reduced cost and environmental impact. | 11-27-2014 |
20160114260 | METHODS AND SYSTEMS FOR HEATING AND MANIPULATING FLUIDS - Systems and methods are provided for heating and manipulating a fluid comprising a closed loop heating assembly thermally coupled to a fluid manipulation assembly. | 04-28-2016 |
203014000 | From organic compound | 36 |
20100243423 | METHOD OF DEHYDRATING TOLYENEDIAMINE AND DEHYDRATOR - A method of dehydrating tolylenediamine which includes subjecting tolylenediamine having a water content of | 09-30-2010 |
20110011725 | DEHYDRATING SYSTEM AND DEHYDRATING METHOD - Provided are a dehydrating system and a dehydrating method which achieve improvement in a membrane performance. The dehydrating system includes a first preheater | 01-20-2011 |
20110094871 | PROCESS FOR SEPARATING SOLIDS FROM VALUABLE OR HARMFUL LIQUIDS BY VAPORISATION - The present invention is directed to an enhanced process for separating dissolved and suspended solids from valuable or harmful liquids and more particularly to improving the operational aspects and separation efficiency of treating certain water miscible fluids including those used for oil and gas processing such as glycols, as well as automobile and aircraft fluids, that have become contaminated with dissolved and/or suspended solid matter. | 04-28-2011 |
20110139602 | REMOVAL OF BOUND WATER FROM BIO-OIL - A process and system for removing bound water from bio-oil by azeotropic distillation. The process comprises combining a bound-water-containing bio-oil with an azeotrope agent and subjecting the resulting treated bio-oil to azeotropic distillation under reduced pressure. The azeotropic distillation removes a substantial portion of the bound water from the bio-oil, thus producing a water-depleted bio-oil that is less corrosive, more stable, and more readily miscible with hydrocarbons. | 06-16-2011 |
20110284363 | NATURAL GAS DEHYDRATION UNIT WITH CONTINUOUSLY FIRED REBOILER - A natural gas dehydration system and method includes a contactor, a flash tank, and a still interconnected by a desiccant circulation system. A continuously fired reboiler is coupled to the still and the flash tank to burn the flash gas from the flash tank and heat the desiccant. | 11-24-2011 |
20140332366 | Treatment of Hydrocarbon Containing Materials - An apparatus for separating a hydrocarbon content from a material matrix composes the hydrocarbon content and a water content, the apparatus comprising: a material feeder arranged to feed material through a treatment chamber, the treatment chamber comprising a window which is substantially transparent to microwaves; a microwave emitter arranged in use to expose feed material in the treatment chamber to microwaves via the window in order to cause rapid heating of at least part of the water content of the matrix to form steam, so as to remove at least part of the hydrocarbon content from the matrix; wherein the material feeder and treatment chamber are arranged so that in use, the treatment chamber is substantially tilted with material/matrix. | 11-13-2014 |
20150014148 | Process for Energy Recovery in Manufacturing Cellulose Esters - Integration of an acid recovery system in the manufacturing of cellulose esters may include heat recovery from a carboxylic acid recovery distillation column by solvent extracting a weak acid stream to form a first overhead stream and a first bottoms stream; distilling the first overhead stream in a distillation column to form a second overhead stream and a second bottoms stream; sending at least a portion of the second overhead stream to a heat exchanger via a process inlet; sending a boiler feed water make up stream to the heat exchanger via a water inlet; and cooling the at least a portion of the second overhead stream in the heat exchanger, such that the at least a portion of second overhead stream exits the heat exchanger via a process outlet and the boiler feed water make up stream exits the heat exchanger via a water outlet. | 01-15-2015 |
20150352463 | Contacting A Gas Stream With A Liquid Stream - A co-current contacting system is described herein. The co-current contacting system includes a co-current contactor located in-line within a pipe. The co-current contactor includes an annular support ring configured to maintain the co-current contactor within the pipe and a number of radial blades configured to allow a liquid stream to flow into the co-current contactor. The co-current contacts also includes a central gas entry cone configured to allow a gas stream to flow through a hollow section within the co-current contactor, wherein the co-current contactor provides for efficient incorporation of liquid droplets formed from the liquid stream into the gas stream. The co-current contacting system also includes a separation system configured to remove the liquid droplets from the gas stream. | 12-10-2015 |
20160008734 | DEVICE AND METHOD FOR VACUUM DEHYDRATION OF LOW-VOLATILE LIQUID | 01-14-2016 |
20160096122 | Continuous Evaporative Concentration of Used Drilling Muds - Used water-in-oil emulsified drilling muds are prepared for reuse by removing excess water. The excess water is removed by passing the used mud through a cavitation device, under controlled conditions, along with injected air. While the emulsion is heated in the cavitation device, the air is finely dispersed in it, so is able to absorb water evaporated from the discrete, discontinuous phase aqueous droplets in the emulsion. A mixture of incoming and aerated emulsion is maintained at an optimal temperature in a process tank while a steady state continuous process is controlled to utilize the heat input, after compensating for radiant heat losses and other system losses, substantially exclusively for the evaporation of water in the emulsion. The process is applicable to any water-in-oil emulsion. | 04-07-2016 |
203015000 | Organic acid | 2 |
20140166469 | DEHYDRATION OF ACETIC ACID BY AZEOTROPIC DISTILLATION IN THE PRODUCTION OF AN AROMATIC ACID - Disclosed is a process for the separation of water from a liquid phase medium containing an aliphatic carboxylic acid using azeotropic distillation in the presence of an entrainer. The entrainer, water, and organics are subsequently separated, wherein the entrainer is recycled back to the azeotropic distillation column and organics recycled back to the oxidation reactor. | 06-19-2014 |
203016000 | Acetic | 1 |
20130015052 | Liquid Separation by membrane assisted vapor stripping process - An improved process for separation of liquid mixtures involves vapor stripping followed by mechanical compression of the vapor which is then exposed to a permeation membrane for separation of the compressed vapor. The apparatus for separating a liquid mixture of two or more solvents comprises components a stripping column, at least one over-head compressor and, thereafter, at least one selectively permeable membrane wherein the membrane separates the components of the vapor based on the different sorption and diffusion characteristics. | 01-17-2013 |
203017000 | Aldehyde or ketone | 3 |
20090057128 | Liquid separation by membrane assisted vapor stripping process - An improved process for separation of liquid mixtures involves vapor stripping followed by mechanical compression of the vapor which is then exposed to a permeation membrane for separation of the compressed vapor. | 03-05-2009 |
20090200153 | Method for producing and dehydrating cyclic formals - Processes are described which comprise: (a) providing a mixture comprising a cyclic formal and water, wherein the mixture has a cyclic formal concentration and a water concentration; (b) bringing the mixture into contact with an aqueously selective membrane; (c) creating a pressure differential across the membrane; and (d) obtaining a permeate having a higher water concentration and a lower cyclic formal concentration than the mixture, and a retentate having a lower water concentration and a higher cyclic formal concentration than the mixture. | 08-13-2009 |
20100096250 | SEA WATER DESALINATION SYSTEM AND METHOD FOR PREPARING DRINKING WATER - A process for obtaining process water by condensation of mist or by evaporation of water comprising salts or impurities and condensation of the evaporated water, and plants for carrying out the process and the use thereof for obtaining drinking water. | 04-22-2010 |
203018000 | Alcohol | 21 |
20080289948 | Process for Separating Propylene Glycol From Aqueous Compositions - The present invention relates to a process for separating at least one propylene glycol from a mixture (M) comprising water and said propylene glycol, said process comprising (I) evaporating the mixture in at least two evaporation and/or distillation stages at decreasing operating pressures of the evaporators and/or distillation columns obtaining mixture (M′) and mixture (M″); (II) separating the mixture (M′) obtained in (I) in at least one further distillation step, obtaining a mixture (M-I) comprising at least 70 wt.-% of water and a mixture (M-II) comprising less than 30 wt.-% of water. | 11-27-2008 |
20090071812 | System and method for removing moisture from liquid desiccant - A system and method for removing water from a liquid desiccant such as a glycol used to dry cooled air in order to restore the desiccant to a purity up to around 97% in a closed continuous flow process. Liquid desiccant can be sprayed into cooled air in a conditioner where it gains moisture. The wet or gained desiccant can be optionally preheated in an economizing heat exchanger and then routed into a concentrator. Desiccant pure to around 97% can be removed from the concentrator, passed through an economizing heat exchanger to provide the preheating and returned to the conditioner holding area. The concentrator can be heated by steam or other means such as natural gas to boil the wet desiccant causing mixed vapor to enter a vertical distillation column where most of the glycol condenses out on the column packing or plates and returns to the concentrator. Almost pure water vapor normally passes out of the top of the column and can be condensed in a water-cooled (or otherwise cooled) condenser and collected or discarded as liquid water. A portion of the water can be piped back into the top of the column as a reflux stream that scrubs the column packing or plates of desiccant. In this way, the desiccant can be purified to around 97%. | 03-19-2009 |
20110315541 | SYSTEMS AND METHODS FOR ALCOHOL RECOVERY AND CONCENTRATION OF STILLAGE BY-PRODUCTS - Systems and methods for separating an alcohol, and in particular butanol, from a fermented feed and concentrating thin stillage into syrup includes operation of one or more alcohol recovery distillation columns using the heat supplied by steam generated from concentration of the thin stillage in a multi-train, multi-effect evaporation system. | 12-29-2011 |
20120018293 | PROCESS FOR HYDRATE INHIBITOR REGENERATION - The invention provides a process for the production of a lean liquid hydrate inhibitor composition from a rich liquid hydrate inhibitor composition in which the liquid hydrate inhibitor has a boiling point above that of water, which process comprises: (a) feeding said rich liquid hydrate inhibitor composition to a first distillation vessel; (b) withdrawing a water and inhibitor containing vapour from said first distillation vessel and feeding it to a second distillation vessel; (c) withdrawing water vapour from said second distillation vessel; (d) withdrawing a lean hydrate inhibitor composition from said second distillation vessel in liquid form; (e) withdrawing a lean hydrate inhibitor composition from said first distillation vessel in liquid form; (f) withdrawing liquid from said first distillation vessel and removing solids therefrom; wherein the withdrawal of steps (e) and (f) may be of a single liquid stream and wherein at least a portion of the lean hydrate inhibitor composition withdrawn from said first distillation vessel is not recycled into said first distillation vessel. | 01-26-2012 |
20120318659 | METHOD AND APPARATUS FOR DEHYDRATION OF GLYCOL - A method and apparatus for dehydration of glycol uses two galvanic electrodes submerged in a water-glycol mixture. Semiconductor switches are used to supply pulses from a direct current source and to control the polarization and current flow time in such a way as to produce an average current of zero and a switching frequency commensurate with electro-hydrodynamic frequency of the electrode and liquid system. By applying sufficiently low frequency of switching, stirring of glycol and removal of gas products from the electrodes is achieved. The glycol container has at least one submerged electrode module equipped with at least two galvanic electrodes. Each electrode is connected through pairs of high power electronic switches which cycle alternatively between the positive and negative terminals of a direct current power supply. | 12-20-2012 |
20140054160 | Divalent Cation Removal from Rich Monoethylene Glycol (MEG) Feed Streams by Ion Exchange - A system and process for removing divalent cations from a rich MEG feed stream is presented. An ion exchange bed containing a cation exchange resin adsorbs the divalent cations in the rich MEG feed stream as it flows through the ion exchange bed. After the divalent ions have been removed, the feed stream flows through a flash separator and a distillation column to reclaim MEG. Alternatively, the feed stream flows through a distillation column to regenerate MEG. The spent cation exchange resin may be regenerated in place using a regeneration brine comprised of sodium chloride and water. After use, the regeneration brine may be disposed as waste or recycled to the brine storage tank and re-used to regenerate the cation exchange resin. | 02-27-2014 |
20140090971 | METHOD FOR MANUFACTURING ISOPROPYL ALCOHOL - The present application relates to a method of manufacturing isopropyl alcohol. Isopropyl alcohol with high purity is obtained from a feed including water and isopropyl alcohol. In addition, energy used in a process of obtaining the isopropyl alcohol, and investment cost for manufacturing facilities are reduced. | 04-03-2014 |
20140174903 | Stripping Gas Recycle System - A stripping gas recycle process for a stripper is fed a water containing glycol and a stripping gas. The stripping gas removes a water content from the water containing glycol to produce a dried glycol and a wet stripping gas. The recycle system includes at least one stripping gas separation process, with the gas separation process being fed wet stripping gas from a stripper and separating the water content from the wet stripping gas, to produce a water containing fraction and a drier stripping gas fraction. The drier stripping gas fraction is fed into the stripper. | 06-26-2014 |
20150083578 | METHOD AND APPARATUS FOR PREPARING ISOPROPYL ALCOHOL - The present application relates to an apparatus for purifying isopropyl alcohol. The present application enables isopropyl alcohol to be obtained in a high purity from a feed comprising water and isopropyl alcohol with a minimum amount of energy consumption. | 03-26-2015 |
20160002131 | VAPOR RECOMPRESSION - Provided are processes for recovering thermal energy and utilizing the recovered thermal energy as a heat source. The processes comprise distilling a butanol and water composition in a distillation unit, whereby the distillation produces a vapor comprising butanol and water at a pressure P | 01-07-2016 |
203019000 | Ethanol | 11 |
20080210540 | SEPARATION AND DEWATERING OF ORGANIC SOLVENTS BY INTEGRATING DISTILLATION AND MEMBRANE SEPARATION OPERATIONS - The present invention provides a system and a process for the recovery of an organic solvent from a mixture of an organic solvent and water. The process comprises subjecting an organic solvent/water mixture to a distillation system whereby a vapor is produced. The output from the distillation process passes through a filtration unit which comprises a hydrophilic membrane filter. The solvent/water mixture passing through the filtration unit is separated into a concentrate and a permeate. The concentrate (containing mostly organic solvent) can be collected, can be routed to the distillation system for further purification, or can be routed to a second filtration system for further purification. The permeate (containing mostly water) is routed from the filtration unit to a condenser where it is condensed and collected. | 09-04-2008 |
20080245653 | Method of anhydrous Ethanol Production Using Circulation by Multiple Towers Alternation - The present invention relates to a method of anhydrous ethanol production using circulation by multiple towers' alternation, the procedure includes the steps of heating, adsorption, internal circulation, vacuum suction, washing and resolving etc. The method can prolong the life of adsorbent, reduce the heat exchanger's surface, cooling water, the equipment investment and energy consumption, provide high ethanol recovery rate and high dehydration, and protect environment. | 10-09-2008 |
20080251374 | SYSTEM AND METHOD FOR PRODUCING ETHANOL FROM PAPER MILL SLUDGE - A method and system are disclosed for converting paper mill sludge into ethanol. The method and system include selecting effluent streams within the paper mill having high BOD levels to combine with the sludge to both facilitate the treatment of the sludge and contribute effluent BOD to the production of ethanol. | 10-16-2008 |
20090014313 | Low-energy extractive distillation process for dehydration of aqueous ethanol - An energy-efficient extractive distillation process for producing anhydrous ethanol from aqueous/ethanol feeds containing any range of ethanol employs an extractive distillation column (EDC) that operates under no or greatly reduced liquid reflux conditions. The EDC can be incorporated into an integrated process for producing anhydrous ethanol used for gasoline blending from fermentation broth. By using a high-boiling extractive distillation solvent, no solvent is entrained by the vapor phase to the EDC overhead stream, even under no liquid reflux conditions. The energy requirement and severity of the EDC can be further improved by limiting ethanol recovery in the EDC. In this partial ethanol recovery design, ethanol which remains in the aqueous stream from the EDC is recovered in a post-distillation column or the aqueous stream is recycled to a front-end pre-distillation column where the ethanol is readily recovered since the VLE curve for ethanol/water is extremely favorable for distillation. | 01-15-2009 |
20090127092 | SYSTEMS AND METHODS FOR RECOVERY OF ETHANOL - The various embodiments of the present invention provide improved systems and methods for producing or collecting fuel grade ethanol from fermentation products. The systems and methods disclosed herein make use of extractive distillation to separate the ethanol from other components, such as water. In producing fuel grade ethanol, the systems and methods are capable of expending less than seven percent of the heating value of the ethanol. | 05-21-2009 |
20090166172 | ETHANOL PLANT PROCESS - The present invention conserves water by reducing the heat load placed on a cooling tower during the ethanol fuel production process. An air cooler is placed between the ethanol vapor condenser and the cooling tower thereby minimizing process temperature spikes before water enters the cooling tower. This, in turn, shortens the process cycle thereby increasing ethanol production. During certain climactic conditions, the cooling tower may be completely bypassed, thereby conserving more water and increasing ethanol production. | 07-02-2009 |
20100051441 | Membrane-augmented distillation with compression to separate solvents from water - Processes for removing water from organic solvents, such as ethanol. The processes include distillation in two columns operated at sequentially higher pressure, followed by treatment of the overhead vapor by one or two membrane separation steps. | 03-04-2010 |
20100270139 | METHOD FOR DEWATERING A MIXTURE OF MOSTLY ETHANOL AND WATER - Method for dewatering a mixture of mostly ethanol and water which is split into a first partial feed flow ( | 10-28-2010 |
20110266134 | Low-Energy Extractive Distillation Process for Dehydration of Aqueous Ethanol - An energy-efficient extractive distillation process for producing anhydrous ethanol from aqueous/ethanol feeds containing any range of ethanol employs an extractive distillation column (EDC) that operates under no or greatly reduced liquid reflux conditions. The EDC can be incorporated into an integrated process for producing anhydrous ethanol used for gasoline blending from fermentation broth. By using a high-boiling extractive distillation solvent, no solvent, is entrained by the vapor phase to the EDC overhead stream, even under no liquid reflux conditions. The energy requirement and severity of the EDC can be further improved by limiting ethanol recovery in the EDC. In this partial ethanol recovery design, ethanol which remains in the aqueous stream from the EDC is recovered in a post-distillation column or the aqueous stream is recycled to a front-end pre-distillation column where the ethanol is readily recovered since the VLE curve for ethanol/water is extremely favorable for distillation. | 11-03-2011 |
20120273338 | Process for Removing Water From Alcohol Mixtures - A process for removing water from an alcohol mixture, such as an ethanol mixture in the production of ethanol by hydrogenating acetic acid. The water is removed from a distillate of a first column using an adsorption unit, membrane, extractive column distillation, or a combination thereof. | 11-01-2012 |
20140174904 | METHOD AND APPARATUS FOR ETHANOL PRODUCTION - An integrated bioethanol production and evaporation process and system produce reduces high quality ethanol and concentrated stillage. The process and system provide a significant energy savings over conventional bioethanol production and evaporation systems by using the energy (“vapor”) that drives the distillation process to also drive a multiple effect evaporator, preferably a multiple effect TASTE™ evaporator to “flash” or vaporize alcohol from the distillate. Additional energy savings are provided by passing fermented material through one or more pre-heaters of the multiple effect evaporator to increase the temperature of the fermented material prior to its distillation. The system preferably includes a pre-flash evaporator upstream of an alcohol recovery assembly in the direction of vapor flow and a multi-effect post-flash evaporator downstream of the alcohol recovery assembly. | 06-26-2014 |