Method for recovering etchant from etching waste liquid containing iron chloride
We claim: 1. Method for recovering etchant from etching waste liquid containing iron chloride, the method comprising mixing iron powder with iron chloride waste solution containing metal ions having l... Read More
Inventors: Inoshita, Tsutomu; Kitazawa, Tadao; Matsumoto, Hiroyuki; Nagashima, Masaki; Yoshino, Hiroshi; Nagaoka, Yonejiro; Mito, Katsumasa;, Assignee: Astec Irie Co., Ltd. (Fukuoka, JP) |
Controlling corrosion in process water systems
The preparation of formaldehyde-free binder coated glass fiber products requires that the binder composition have a pH of less than about 3.5 to effectively coat the glass fibers and for proper curing... Read More
Inventors: Luka, Michael William;, Assignee: Johns Manville (Denver, CO) |
Small diameter dual pump pollutant recovery system
OF THE INVENTION AND PREFERRED EMBODIMENTS In FIG. 1, a small diameter well pipe 62 of approximately 4 inches diameter and having a slotted screen sidewall is shown extending from the earth's surface... Read More
Inventors: Warburton, James G.; Hurst, John F.;, Assignee: |
Arrangement for cleaning contaminated ground water
Accordingly, it is an object of the present invention to provide an arrangement for cleaning contaminated ground water which has a simple construction and is simple to use. In keeping with these objec... Read More
Inventors: Bernhardt, Bruno;, Assignee: IEG Industrie-Engineering GmbH (Betzingen, DE) |
Arrangement for cleaning contaminated ground water
Accordingly, it is an object of the present invention to provide an arrangement of the above mentioned general type, which is a further improvement of the known arrangement of this type. In keeping wi... Read More
Inventors: Bernhardt, Bruno;, Assignee: IEG Industrie-Engineering GmbH (Reutlingen, DE) |
Hydrocarbon removal system
(1) Progressive Contribution to the Art This invention comprises a process and apparatus for separating and removing undissolved and dissolved VOC contaminants from groundwater more practically and ec... Read More
Inventors: Rudder, Tucker D.;, Assignee: Hydrocarbon Recovery Equipment, Inc. (Lubbock, TX) |
Apparatus for recovery of liquid hydrocarbon
Accordingly, the invention provides a hydrocarbon pump unit for recovery of liquid hydrocarbon from a body of liquid with a hydrocarbon/water interface, comprising a pump with a pump intake, and a lin... Read More
Inventors: Lamphere, David A.; Bowles, David F.;, Assignee: Clean Earth Technology, Inc. (North Ferrisburgh, VT) |
Method and apparatus for in situ groundwater remediation
OF THE INVENTION Turning now to the drawings, wherein like components are designated by like reference numerals throughout the various figures, FIGS. 1 and 2 show a well 10. The well or well borehole... Read More
Inventors: Semprini, Lewis; McCarty, Perry L.; Kitanidis, Peter K.; Bae, Jae-Ho;, Assignee: The Board of Trustees of the Leland Stanford Junior University (Palo Alto, CA) |
In-situ vapor stripping for removing volatile organic compounds from groundwater
The present invention is directed to a system for removing VOCs from groundwater. The system includes means for injecting gas into a well, to force groundwater flow towards the well and to cause VOCs ... Read More
Inventors: Gorelick, Steven M.; Gvirtzman, Haim;, Assignee: The Board of Trustees of the Leland Stanford Junior University (Palo Alto, CA) |
Pressure extraction process for removing soil and groundwater contaminants
The present invention is a more effective process for removal, including extraction and degradation, of underground contaminants from a soil area that includes a subsurface groundwater unit and a vado... Read More
Inventors: Grant, Jr., Richard P.;, Assignee: |
Air sparging/soil vapor extraction apparatus
What is claimed is: 1. An apparatus for removing volatile contaminants from soil and groundwater, the apparatus mounted in a single bore hole in soil, the apparatus comprising: first, second and third... Read More
Inventors: Haddad, John A.;, Assignee: Eder Associates (Locust Valley, NJ) |
Modular filtration system
In the present invention apparatus and methods are provided in which the head pressure developed by the weight of a fluid is used to drive a plurality of filters to produce a permeate, and in at least... Read More
Inventors: Chancellor, Dennis H.; Chancellor, Mark; Vogel, Jacquetta M.;, Assignee: Nate International (Woodland Hills, CA) |
Gas-gas-water treatment for groundwater and soil remediation
The present invention relates to injection of oxidizing gas in the form of microfine bubbles into aquifer regions by means of a sparging system which includes one or more injection wells to encourage ... Read More
Inventors: Kerfoot, William B.;, Assignee: |
Multi-arrayed vacuum recovery method and system for groundwater wells
It is therefore an object of the present invention to provide a method and system for removing increased amounts of free product from a groundwater well prior to groundwater remediation treatment. It ... Read More
Inventors: Schindler, A. Russell;, Assignee: Remediation Technoliges, Inc. (Traverse City, MI) |
Use of structure with membrane having continuous pores
What we claim is: 1. A substance enveloped in a film of a structure comprising at least one membrane extending along a plane, curved, cylindrical or vesicular surface consisting essentially of at leas... Read More
Inventors: Sleytr, Uwe; Sara, Margit;, Assignee: |
Method of isolating biomolecules by ion exchange
Ion Exchange Using A Weak Ion Exchanger Referring to Figs. 1A-C sketches are shown of ion exchange columns containing a weak ion exchanger (anion exchanger) to which biomolecules have been loaded. In... Read More
Inventors: Lihme, Allan Otto Fog; Aagesen, Margit Irene; Gammelg.ang.rd-Larsen, Claus; Elleg.ang.rd, Katrine Hvid;, Assignee: Kem-En-Tec A/S (Copenhagen O, DK); Md Foods AMBA (Viby J, DK) |
Iodinated matrices for disinfecting biological fluids
OF THE PREFERRED EMBODIMENTS The following description will enable a person skilled in the art to which this invention pertains to make and use the invention, and sets forth the best modes contemplat... Read More
Inventors: Shanbrom, Edward; Miekka, Shirley I.; Pollock, Robert; Drohan, William N.; Horton, Timothy W.;, Assignee: American National Red Cross (Falls Church, VA); Amersham Pharmacia Biotech, Inc. (SE); Shanbrom; Edward (Santa Ana, CA) |
Pelletized chromatography media of agarose, dextran or acrylamide/azlactone copolymer
Now, however, in accordance with the present invention, there is provided chromatography media in a form which obviates the problems heretofore encountered as discussed above. The present invention co... Read More
Inventors: Draveling, Connie A.;, Assignee: Pierce Biotechnology, Inc. (Rockford, IL) |
Blood cell washing systems and methods
Systems and methods in accordance with the invention pass shed blood in successive serial or concurrent parallel stages through different rotary membrane filtration systems, at least one of which intr... Read More
Inventors: Schoendorfer, Donald W.; Williamson, Lee H.;, Assignee: Baxter International Inc. (Deerfield, IL) |
Blood processing method and apparatus with disposable cassette
An apparatus for regulating fluid flow in a blood processing system (such as a blood washing system) includes a motor driven rotor for a peristaltic pump which has a plurality of rollers disposed abou... Read More
Inventors: Barone, David; Herrig, Russell; Medberry, Joseph M.; Volpini, Paul M.; Plante, Joseph R.;, Assignee: Haemonetics Corporation (Braintree, MA) |
Rate-responsive pacemaker having selectable response to arm movement and pedal impacts
Accordingly, it is a general feature of the invention to provide a rate-responsive pacemaker wherein the aforementioned problems are eliminated and the aforementioned needs are met. More specifically,... Read More
Inventors: Mann, Brian M.;, Assignee: Siemens Pacesetter, Inc. (Sylmar, CA) |
Centrifugal separator with disposable bowl assembly
The centrifugal separator according to the invention is designed for meeting the above objectives and has the following characteristic features: The centrifugal separator for fluids comprises a housin... Read More
Inventors: Rochat, Jean-Denis;, Assignee: Elp Rochat (Mies, CH) |
Apheresis apparatus for separating an intermediate density component from whole blood
The present invention provides a pheresis apparatus and method for increasing blood component yield from donated whole blood in a centrifugation fractionation volume. In accordance with the invention,... Read More
Inventors: Latham, Jr., Allen; Jorgensen, Glen E.; Sibinga, Theodoor H. S.; Plante, Joseph R.; Knapp, Tracey E.;, Assignee: Haemonetics Corporation (Braintree, MA) |
Intraoperative blood salvaging system and method
In accordance with the present invention, an intraoperative blood salvaging and purification system removes blood from a wound or surgical site, filters and purifies the blood by the addition thereto ... Read More
Inventors: Shettigar, U. Ramakrishna;, Assignee: |
Method and apparatus for the automatic control of a blood centrifuge
The aim of the present invention is to provide an apparatus and a method for the automatic control of a blood centrifuge. More particularly, the present invention provides a system for controlling the... Read More
Inventors: Zanella, Andrea; Belloni, Massimo; Comai, Guido; Panzani, Ivo;, Assignee: Dideco S.p.A. (IT) |
Process for operating a blood centrifugation unit
The previously described state of the art poses a problem which always arises when quantities of liquids are to be separated that exceed the filling volume of the separation chamber of a centrifuging ... Read More
Inventors: Geigle, Peter;, Assignee: |
Blood centrifuge having integral heating to control cellular component temperature
Accordingly, one object of this invention is to provide a method and apparatus for the separation of components suspended or dissolved in a fluid medium by centrifugation. More specifically, one objec... Read More
Inventors: Dolecek, Victor D.;, Assignee: Medtronic, Inc. (Minneapolis, MN) |
Method and apparatus for controlling the washing step in a blood centrifugation cell
The invention provides a system for controlling the washing step in which the washing step can be stopped when the intended result is reached. The present invention provides a method for controlling a... Read More
Inventors: Panzani, Ivo; Romagnoli, Sergio; Belloni, Massimo;, Assignee: Dideco S.p.A. (Mirandola, IT) |
Folding machine with stacking arm
The present invention provides for a folding machine comprising a housing having a fold plate having an adjustment bar for providing a type of fold for the fold plate, an input table attached to the h... Read More
Inventors: Abramson, Richard; Kosla, John;, Assignee: The Hedman Company (Elk Grove Village, IL) |
Bast medium biological reactor treatment system for remediation and odor suppression of organic waste streams
It is an object of the present invention to provide a holistic wastewater treatment system that can be implemented for the treatment of organic waste streams. It is a further object of the present inv... Read More
Inventors: Burcham, Timothy N.; Jones, Jeffrey; Columbus, Eugene P.; Zappi, Mark E.;, Assignee: Mississippi State University (Mississippi State, MS) |
Liquid Purification 
