Abstract:
Large amounts of hazardous goods, especially liquid ones such as fuel, may be carried in safety containers, whether tank semitrailers, oil tankers, containers for hazardous goods or aircraft, and be transported with practically no risk for the environment, by completely filling the inside (10) of the container with glass wool, so that the hazardous materials or other fillings dispersed therein may not escape or be somehow spilled in the environment. The liquid components, for example hydrocarbons, are absorbed and held by a dense, water-proofed latticework (15), so that no oxygen can reach them. They are thus protected against explosions and spillage in the environment. At the same time, a safety container of this type acts as a kind of safety buoy, preventing water from entering the inside (10) of the container, so that the kerosene, gasoline or oil contained therein further increase buoyancy. As a whole, a simplification of the safety container design and a considerable increase in safety may be noted.
Abstract:
Oil and oil products are adsorbed with a three-dimensional lattice structure formed by coating individual glass fibers, assembling them and drying them at a temperature of about 150.degree. C. so that the structure will have; sufficient capillarity to pick up substantial amounts of oil and yet the mat will have sufficient structural stability to be stable. The coating is formed by a mixture of hydrophobizing silicone oil and starch (94 to 96% by weight starch to 6 to 4% by weight silicone). The latticework of the fibers and baked silicone oil/starch mixture can be used to pick up oil on a surface and recover oil from the latticework before the latticework is ultimately destroyed in a garbage incinerator.
Abstract:
An oil retention barrier (1) over which oil cannot splash over when the barrier is hauled in consists of several floating partial cells (8, 15, 16) and several smaller partial cells (7, 21) that are submerged in water, arranged and joined together in such a way that a flow channel (24) is created therebetween. For that purpose, one of the partial cells (15) is positioned in front of the other floating partial cells (8, 16) and joined to the floating partial cell (8) and to the submerged partial cell (9) by spacers (18, 23) that create said flow channel (24). The floating partial cells (8, 15, 16) are filled with waterproofed glass fibers or glass fiber mats, whereas the submerged partial cells (9, 21, 26) are filled with a non waterproofed material, in particular glass fibers. The flow channel (24) prevents banking-up pressure from building up in front of the barrier (1), so that the latter can be hauled in with practically no problems. The oil (4) cannot splash over the barrier nor flow underneath it.
Abstract:
In a process for producing insulating materials with environmentally safe binding components, a long-chain starch is used as binder, besides silicone. The starch is heated up to 50.degree. to 60.degree. C., held at this temperature and sprayed on the glass fibers separately from the silicone; 6 to 8% binder, consisting of starch and silicone, are used, then a spun-glass mat or slab may be shaped and dried at about 180.degree. C. A spun-glass mat (16), insulating mat or slab or adsorber is thus obtained which surprisingly is water-proofed and held together exclusively by starch, resin and silicone, which may be used without any problems and has a uniform bulk density throughout. In the plant (1) provided for that purpose, supply rings for water (9), for starch (10) and for silicone (11) are provided. The nozzles (13) for the supply ring 10 have a larger opening and separation edges. The premixing container (17) and the supply pipe (15) are heatable or heat-insulated. In a further embodiment, an emulsion is formed from silicone resin, silicone oil, a dust binder and the starch, is atomized at 18.degree. to 200.degree. C. and sprayed onto the passing stream of glass fibers.
Abstract:
In order to control oil accidents and to prevent the oil film drifting on the water from spreading, an oil adsorber 1 is provided, in particular shaped as a barrier 2. This barrier 2 is designed in two parts. Both cells 9, 10 are completely filled with glass fiber material or with corresponding fiber mats 11, 12. The glass fibers 28, 30 of the top cell 9 are waterproofed, by an appropriate coating, whereas the fibers of the bottom cell 10 are not treated, so that they absorb water 6. In both cases epoxy resin or a synthetic resin having the same or similar properties are used, so that a long service life is achieved with optimum solidity and design possibilities. The oil adsorbers 1 thus obtained may be used both as barriers 2 and as flat suction elements, for example to clear bilge waters from ships 3. It is also conceivable to use the flat or funnel-shaped elements for collecting components of an aqueous solution, for example.