摘要:
Bei einem Verfahren zum Herstellen eines porösen Steinerzeugnisses aus kristallinem Naturstein, wird der kristalline Naturstein in pulverförmiger Form einer Temperaturbehandlung unterworfen, wobei die Temperaturbehandlung das kontrollierte Erwärmen des Steins auf eine das Austreten eines Gases aus dem Stein bewirkende Temperatur umfasst, sodass eine geschäumte Struktur entsteht, welche erstarren gelassen wird.
摘要:
A moving bed filtration process for the production of sphere based crystals is disclosed. Sphere based crystals having an opal-like structure or an inverse opal-like structure can be produced in accordance with the invention.
摘要:
Bei einem Verfahren zum Entsorgen von Asbeststaub, wobei der anfallende Asbeststaub abgesaugt und in einem Sammelbehälter gesammelt wird, wird der gesammelte Asbeststaub nach dosierter Zugabe von Wasser oder Zementmilch zu stückigem Gut wie Briketts verpreßt, um eine einfache Entsorgung zu erreichen und den Asbeststaub wie üblichen Hausmüll auf Deponien lagern zu können.
摘要:
A method of producing a fired product is described which comprises preparing a mixture of sand and sufficient sodium chloride to produce a binding phase between sand particles on firing, forming the mix into a desired green product, and firing the green product to bind the constituents into a hard body as formed.
摘要:
The manufacture of building materials and additional materials from the components fly-ash and harbour silt whereby the silt serves as the binder of fly-ash. After drying and heating, the result is a nonsolvable product which might be applied as building-stone, aggregate or filter. The manufacturing of building materials and additional materials from the components fly-ash and harbour silt, or fly-ash and silt separately. When adding sodium hydroxide (NA.OH) and aluminium powder, a foam-reaction is caused and after being dried and heated this results in a non-dissoluble product which may find its application as a light-weight building stone, an aggregate or a filter.
摘要:
Verfahren zur Herstellung eines hydrophoben Wärmedämm-Formkörpers bei dem man einen hydrophilen Wärmedämm-Formkörper mit einem dampfförmigen Hydrophobierungsmittel unter Bildung eines mit Hydrophobierungsmittel belegten Wärmedämm-Formkörpers in Kontakt bringt, nachfolgend diesen verpresst und während des Verpressens und/oder im Anschluß an das Verpressen mit dem Hydrophobierungsmittel unter Bildung des hydrophoben Wärmedämm-Formkörpers zur Reaktion bringt, wobei a) der hydrophobe Wärmedämm-Formkörper nach dem Verpressen und nach der Reaktion mit dem Hydrophobierungsmittel eine Dichte von 100 - 250 kg/m 3 aufweist, b) der hydrophile Wärmedämm-Formkörper bei Inkontaktbringen mit dem Hydrophobierungsmittel eine Dichte besitzt, die 50% bis weniger als 100% der Dichte des hydrophoben Wärmedämm-Formkörpers beträgt.
摘要翻译:本发明涉及疏水性绝热成型体的制造方法。 使亲水性热阻成形体与气相疏水化剂接触,形成涂布有疏水化剂的隔热成型体,然后将该绝热成型体与疏水化剂反应,形成 疏水性绝热成型体,其中a)所述疏水性绝热成型体在压缩加工后与所述疏水化剂反应后的密度为100〜250kg / m 3,以及 b)当与疏水化剂接触时,亲水性隔热成型体的密度为疏水性绝热成型体的密度的50%以上且小于100%。
摘要:
A polymer-cement composite comprises, by weight percent, about 40% to 50% inert, inorganic filler material, such as silica sand; about 12% to 23% latex, preferably in aqueous suspension; about 20% to 25% hydraulic cement; and about 7% to 13% reactive silica. The reactive silica is a pozzolanic material, and in preferred embodiments, where the cement is portland cement, comprises an advantageous mixture of precipitated and ground silica. All solid components have a particle size of less than about 300 microns. The polymer-cement composite is preferably made by dry mixing of the powdered components thoroughly in a high intensity mixer, adding the liquid components, and wet mixing to form a thoroughly blended, de-aired green mixture. The green mixture is formed into any desired shape, cured, and dried. Preferably, the product is cured in a warm, moist environment.
摘要:
A honeycomb structure having a large number of channels through along the axial direction and being defined by partition walls. A honeycomb structure containing a refractory particle to be an aggregate and metallic silicon and being porous. This honeycomb structure can be suitably used under high SV conditions as a filter for purifying automobile exhaust gas by treatment such as clogging or catalyst supporting.
摘要:
A polymer-cement composite comprises, by weight percent, about 40% to 50% inert, inorganic filler material, such as silica sand; about 12% to 23% latex, preferably in aqueous suspension; about 20% to 25% hydraulic cement; and about 7% to 13% reactive silica. The reactive silica is a pozzolanic material, and in preferred embodiments, where the cement is portland cement, comprises an advantageous mixture of precipitated and ground silica. All solid components have a particle size of less than about 300 microns. The polymer-cement composite is preferably made by dry mixing of the powdered components thoroughly in a high intensity mixer, adding the liquid components, and wet mixing to form a thoroughly blended, de-aired green mixture. The green mixture is formed into any desired shape, cured, and dried. Preferably, the product is cured in a warm, moist environment.
摘要:
Shaped, preferably porous, inorganic bodies are provided which are prepared from a reactive blend. In accordance with one preferred embodiment, the solution is absorbed into a porous sacrificial substrate such as a cellulose sponge. The solution-saturated substrate is heated and an oxidation-reduction reaction occurs thereby forming an inorganic solid. A shaped, inorganic body is formed in situ. Optional, but preferred additional thermal treatment of the shaped, inorganic body removes the organic substrate, leaving an inorganic body that faithfully mimics the porosity, shape, and other physical characteristics of the organic substrate. Inorganic substrates may also be used to good effect. Large varieties of shaped bodies can be prepared in accordance with other embodiments of the invention and such shapes find wide use in surgery, laboratory and industrial processes and otherwise. The invention also provides chemically and morphologically uniform powders, including those having iniformly small sizes.