摘要:
Dispositivo para desinfección de agua por ultrafiitracíón. Comprende un conjunto filtrante con al menos una membrana de ultrafiitracíón (8) en el interior de una carcasa (10); una bomba (5, 15), alimentada con energía eléctrica, configurada para: impulsar agua a filtrar hacía dicha al menos una membrana dé ultrafiltración (8); y una toma de alimentación eléctrica (2) de dicha bomba (5, 15) desde una fuente de alimentación. La citada membrana de ultrafiltración (6), que es al menos una, está situada en dicha carcasa (10) en una posición en la que recibe el flujo de alimentación de agua: a filtrar por gravedad o por presión; la fuente de alimentación eléctrica está proporcionada por una batería incluida en un dispositivo de comunicación portátil (4); y la intensidad de corriente consumida por la bomba (5, 15) está por debajo de 1,2 A, con una tensión de alimentación de hasta 24 V.
摘要:
The invention relates to methods of production of a silica concentrate from geothermal fluids. More particularly, although not exclusively, the invention relates to the production of a colloidal silica concentrate, colloidal silica or precipitated silica from high temperature geothermal fluids by ultrafiltration to produce size-specific silica colloids and step-wise concentration of silica to avoid precipitation or gelling.
摘要:
The present disclosure relates, according to some embodiments, to methods and systems for purifying proteins and carbohydrate rich products from photosynthetic aquatic species and compositions thereof. For example, one embodiment of the present disclosure relates to methods and systems for purifying proteins the present disclosure relates, in some embodiments to methods and systems for extracting proteins, dry biocrude, and carbohydrate-rich meal from Lemna. In some embodiments, a method of treating a biomass comprising a microcrop (e.g., Lemna) to produce a product comprising soluble microcrop protein may comprise: (a) lysing a first portion of the biomass to form a first portion of lysed biomass; (b) separating the first portion of lysed biomass to generate a first portion of a juice fraction and a first portion of a solid fraction; (c) separating the first portion of the juice fraction to generate a first portion of a first juice and a first portion of a first cake, wherein the first juice comprises a soluble microcrop protein; and/or (d) filtering the first portion of the first juice to generate a first portion of the product comprising soluble microcrop protein and a reject stream.
摘要:
A manifolded 3 -stage water filtration system includes a deep sand filter assembly, a hydro-cyclone, and a filter and valve manifold assembly fluidly coupled together. The filter and valve manifold assembly includes a pre-filter fluidly coupled with the hydro- cyclone, a first hollow membrane filter fluidly coupled with the pre-filter, a second hollow membrane filter fluidly coupled with the pre-filter and the first hollow membrane filter, and a backwash system. The backwash system includes valves fluidly coupled with pipe sections, the pre-filter, and the first and second hollow membrane filters. Selected valves are closable so that clean water flows from one of the first and the second hollow membrane filters to the other of the first and second hollow membrane filters. Material occluding the other of the first hollow membrane filter and the second hollow membrane filter is removed by the clean water without adding contaminants to the filter.
摘要:
In one embodiment, a dilute wastewater treatment system includes a separation subsystem configured to receive dilute wastewater and separate it into a product stream containing a low concentration of organic material and a reject stream containing a high concentration of organic material, and a conversion subsystem configured to receive the reject stream from the separation subsystem and anaerobically treat the reject stream to break down the organic material and separate it from water within the reject stream.
摘要:
The present invention relates to a method of membrane-filtrating a lignin containing composition in order to obtain a lignin fraction more suitable for further treatments.In particular it relates to treating a liquid lignin composition to obtain a lignin fraction having a desired molecular weight distribution by a membrane filtration. It comprises subjecting the liquid lignin composition to a first membrane filtration with a first filter cut-off adapted to remove species having a first molecular weight thereby providing a permeate with a molecular weight distribution defined by said cut-off. Then, the permeate from the first membrane filtration is; subjected to at least one further filtration step with a second filter cut-off, different from said first filter cut-off to provide a retentate (concentrate) with a molecular weight distribution defined by both the cut-off in the first filter the cut- off in said second filter. A dilution is performed on a desired lignin containing fraction at some point downstream of the first filtration unit. A lignin containing retentate (concentrate) is collected from the further ultrafiltration for further processing.
摘要:
A seawater desalination system includes an intake part buried in a sand layer of the seafloor to take in seawater passed through the sand layer, an anterior filtration part filtering seawater conveyed from the intake part, and a posterior filtration part filtering seawater conveyed from the anterior filtration part, using a reverse osmosis membrane. The anterior filtration part includes a first anterior filtration line including a first ultrafiltration membrane, a second anterior filtration line including a second ultrafiltration membrane having a molecular weight cut-off less than that of the first ultrafiltration membrane, and a switching part switching a path through which seawater flows between the first and second anterior filtration lines provided in parallel with each other. The system controls the switching part in accordance with dissolved oxygen content in the seawater taken in by the intake part, thereby improving the efficiency of seawater filtration with the ultrafiltration membranes.
摘要:
Redundant filtration system that includes at least one barrier filter as a process filter, the barrier filter having both hydrophilic and hydrophobic paths, allowing both fluid and gas permeability. The need for vents is eliminated, as is an intermediate drain filter. The device also can be dried in series. The filtration system includes a network of conduits and receptacles, the network receiving liquid raw and/or starting material at one end, conducting it through the process stream defined thereby, and producing the desired liquid product at another end. The network is provided with one or more inputs for introducing liquid raw material into the fluid process stream, and one or more output ports for discharging fluid out of the fluid process stream. The network is preferably an essentially closed network, and also, preferably sterile and/or aseptic.
摘要:
Verfahren zur Filtration eines trüben Getränks, insbesondere eines trüben Weins, aus wenigstens einem Tank, in welchem sich ein Geläger ausgebildet hat, mit einer Filtrationsanlage mit vorzugsweise folgenden Schritten: a) das trübe Getränk wird in einem ersten Filtrationskreislauf (11) mit den Filtrationsmodulen (6) mit Kanälen (9) mit einem kleineren Durchmesser geklärt und abgeleitet, und b) das verbleibende Unfiltrat aus Schritt a) und/oder das Geläger des trüben Getränks wird/werden in einem zweiten Filtrationskreislauf (12) mit den Filtrationsmodulen (7) mit Kanälen (9) mit einem größeren Durchmesser geklärt und abgeleitet.