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8157969 |
Method and apparatus for minimizing accumulation of polymer on process equipment, especially safety devices
Accumulation of polymer on equipment, which is in contact with polymerizable material during normal process operation, is minimized by the method and apparatus of the present invention. The method...
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8123913 |
Process for separating diisopropylbenzene (DIPB) and triisoproplybenzene (TIPB) from a feed comprising DIPB, TIBP, and polyalkylate heavies
Processes and apparatuses for separating diisopropylbenzene (DIPB) and triisopropylbenzene (TIPB) from a feed including DIPB, TIPB, and polyalkylate heavies are disclosed. The disclosed processes...
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7217343 |
Point of use water purification method and apparatus
A compact, energy efficient, continuous-flow point of use distillation system utilizes stacked, vertically-arranged components to provide a compact and energy efficient distillation process and a...
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6010599 |
Compact vacuum distillation device
An apparatus for batch distilling a liquid at sub-atmospheric pressure, without the aid of a vacuum pump. The apparatus includes an evaporator section having a valved entry port through which a...
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5855742 |
Decoking process and device
A device for drilling a layer of coke within a reactor to effect the decoking of the reactor includes a decoking tool arranged at one end of a hose for conveying a decoking fluid to the tool. The...
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5833812 |
Low maintenance water distiller
The water distiller 10 includes a plurality of housings 12, 14, 16 each mounted below a support plate 32. A voltage regulator 144 maintains a desired voltage potential between heating probes 34 and...
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5827402 |
Drinking water apparatus
An improved drinking water apparatus is provided which utilizes a microcomputer to detect water level to automatically control water intake and heating. The apparatus includes a heating tank having...
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5670026 |
In-service cleaning of columns
A method of in-service cleaning an operating column by inserting into the column a lance through which a compatible liquid is dispensed at a pressure of at least about 5000 psig. Also disclosed is...
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5630913 |
Water distillation system
A water distillation system (10) includes a boiling chamber (11) and a condensation chamber (12). Water is fed via an inlet pipe (13) to a degassing chamber (15) where volatile gases are removed...
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5622605 |
Process for desalinating water while producing power
A process and apparatus for desalinating seawater or brine and purifying water which contains minerals, salts, and other dissolved solids while simultaneously generating power. The salinous water...
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5599429 |
Water distillation system
The water distillation system according to the invention recaptures and utilizes the inherent heat of transformation in converting from the vapor to the liquid states. The water distillation system...
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5587055 |
Water distilling apparatus and method
A water distillation apparatus and method include an improved control system for operation and maintenance, condensers with plastic to metal seals between a plastic condenser manifold and metallic...
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5484510 |
Water distilling apparatus
A water distillation apparatus and method include an improved control system for operation and maintenance, condensers with plastic to metal seals between a plastic condenser manifold and metallic...
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5330624 |
Fractionator-reboiler sludge removal system and method
Sludge is removed from a reboiler while the reboiler is supplying heat to a fractionator, by using sludge removal apparatus added to the reboiler. The reboiler to which the sludge removal apparatus...
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5286351 |
Water distilling method
A water distiller is provided which is used in conjunction with a hot water heater where normally wasted energy is used to preheat the hot water heater inlet. The distiller includes a heat storage...
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5268073 |
Continuous process for concentrating solutions containing salts and resins
In concentrating solutions containing 1 to 10% by weight of salts and resins, the yield and economics and trouble-free running can be improved by using a flow tube which has a steady curvature at...
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5223101 |
Low color, low turbidity sulfolane
Purification of crude sulfolane to remove color imparting and turbidity imparting impurities therefrom is achieved by a two-pass distillation process wherein purified sulfolane is withdrawn from...
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5211816 |
Vacuum distillation apparatus for removal of volatile impurities from liquids
A low temperature vacuum distillation apparatus. The distillation apparatus includes an evaporation section and a condensation section. Fluid flow throughout the system is assisted by an...
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5203970 |
Method for water degasification and distillation
A method for water degasification and distillation in an apparatus having a container for a reservoir of water to be degasified and distilled, a relatively small boiler adjoining the container and...
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5061348 |
Sulfuric acid reprocessor with continuous purge of second distillation vessel
An apparatus and method for reprocessing waste piranha containing contaminated H2 SO4 from, for example, a semiconductor processing operation is described. The apparatus and method include a first...
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5053111 |
Method and apparatus for the batch distillation of water
A method and apparatus for automatically and sequentially distilling batches of water having substantially equal volumes in a plurality of distillation cycles, one batch in each cycle. During each...
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5022967 |
Microdistillation apparatus
A microdistillation column for the quantitative steam distillation of cyanide, phenolic compounds, hydrogen fluoride, ammonia, sulfites and other volatile analyte compounds from samples of...
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5021128 |
Water distillation system and method with controls
A control for a water distillation apparatus admits untreated feed water to the boiling tank in response to a demand for the production of distilled water and operates the heater to produce steam....
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4980030 |
Method for treating waste paint sludge
A method and apparatus are disclosed for the treatment of paint sludge and for reducing volatile organic compound emissions from a paint spraybooth operation, thereby obtaining a recyclable...
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4957200 |
Water distillation apparatus
A water distillation apparatus has an outer chamber and an inner chamber suspended within the outer chamber by support arms. The inner chamber suspends a heating element to create steam. Heat is...
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4946558 |
Water distilling apparatus
A water distiller is provided which is used in conjunction with a hot water heater where normally wasted energy is used to preheat the hot water heater inlet. The distiller includes a heat storage...
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4946559 |
Removal of dissolved volatile impurities from liquid
A method and device for removing, from liquid such as water, dissolved volatile substances and gases when water is being distilled or evaporated. Feed water of a distilling apparatus or evaporator...
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4940134 |
Waste solution treatment method and apparatus therefor
An apparatus for treating a waste solution generated when a photosensitive material is processed by an automatic developing machine includes a waste solution reservoir which is maintained at a...
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4938868 |
Method of distilling under partial vacuum
The vacuum column system distills liquid under partial vacuum conditions. The system rigorously splashes and boils liquid in a boiler chamber so as to form vapor and a rising mist from the...
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4919257 |
Condensate skimming reflux column
In a gas dehydration system utilizing glycol a condensate skimming reflux column separates and skims natural gas condensate off glycol by a settling tank-type reservoir having a syphon-type glycol...
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4919765 |
Process for the purification of tetrahydrofuran
Tetrahydrofuran is recovered by a two stage distillation procedure from a crude hydrogenation product resulting from vapor phase hydrogenation of diethyl maleate and containing water, ethanol and a...
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4917770 |
Distillation apparatus
A vertically extending distillation cylinder has a closed top and an open bottom having an electric heating element disposed therein to form a closure. Adjacent to the top of the distillation...
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4909898 |
Polymer recovery from solution
A process for removing substantial quantities of volatile liquid e.g. hydrocarbon from a mixture of polymer and such liquid is provided. This process includes the initial step of introducing the...
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4888097 |
Water purification method and apparatus
A distillation type of water purification system has a raw water inlet valve for admitting raw water continuously to a boiling tank at a rate greater than the rate at which raw water is converted...
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4885099 |
Closed system solvent stripping and reclaiming apparatus
A closed circuit solvent stripping and reclaiming apparatus for recovering solvent from filters used in dry cleaning machines comprising a steam cabinet (2), and condenser (3), a water solvent...
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4830710 |
Apparatus for recycling solvents
A portable apparatus for on-site clean-up of dirty solvents. An open top liner for receiving dirty solvent is provided in a still housing. A head sits down over the top of the liner to form an...
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4810330 |
Process for deodorizing and/or physical refining relatively small, varying charges of high-boiling liquids
Deodorizing and/or physical refining of relatively small, varying charges of high-boiling liquids, viz. fatty acids, edible oils, fats, glycerides and other high-boilding esters, is conducted...
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4808319 |
Method for removing a slime deposit from packing material inside a tower
Air stripping is a common technique used to remove organic impurities from water found in underground aquifers. When this technique is used, bacteria already present in the underground water, and...
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4801356 |
Removal of ammonia from fuel cell power plant water system
Ammonia which is present in fuel cell power plant water in free form, in ionic form, and in forms combined with carbon dioxide, is removed from the power plant water by steam stripping. Water which...
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4778605 |
Method for removing liquid from a liquid-solids mixture
An apparatus and method are provided wherein liquid is removed from a liquid-solids mixture by employing both filtration and low pressures to achieve vaporization of liquid. The mixture is...
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4755261 |
Vapor generating and recovery method for vapor retention and reuse
An apparatus for vaporizing a liquid and condensing the vapor includes at least one chamber in which the liquid is vaporized and in which the vaporized liquid is condensed. The vaporizing chamber...
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4749447 |
Evacuated evaporation-pressurized condensation solar still
This invention discloses a solar still comprising a plurality of twin conduits routed through a plurality of solar collectors wherein the liquid is evaporated in the evaporation conduit...
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4734159 |
Evaporation apparatus
Apparatus and method for using a heated waste gas stream to evaporate a volatile component such as water or a solvent from a liquid solution comprises a flue to feed the gas stream from the source...
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4724048 |
Water distiller
A water distiller apparatus for purifying and degassing domestic water supplies is provided which is constructed for easy cleaning of all parts and in which inflowing water is preheated by...
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4707220 |
Thin-film evaporators
A thin film evaporator consists of an enclosure defining a vapor space, a level drive shaft running into the enclosure and a rotor fixed to the shaft and having an axis of rotation disposed...
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4686009 |
Distillation system
A vacuum distillation system uses a tower having an open bottom submerged within a tank of solution exposed to atmospheric pressure. The solution within the tower is elevated to barometric level by...
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4675082 |
Recovery of propylene glycol mono t-butoxy ether
Preparation and recovery of 1-t-butoxy-2-propanol in a high state of purity from a crude etherification reaction product obtained by reaction of isobutylene with propylene glycol in the presence of...
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4671856 |
Method for recyclying energy in counterflow heat exchange and distillation
This document describes an improved method and apparatus for recycling energy in counterflow heat exchange and distillation. The basis of the invention is transferring heat with thin sheets of...
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4657639 |
Apparatus for electrostatic filtration of N2 O4 for removal of solid and vapor contaminants
An electrostatic filtration apparatus is used to significantly reduce contaminants in N2 O4 vapor and liquid at ambient temperatures. The apparatus uses an electret vapor filter having therein a...
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4639293 |
Partially evacuated solar still
This invention relates to a solar still wherein the evaporation takes place in partially evacuated tubings which are heated by sunlight. The water to be distilled is supplied from a reservoir...
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