Multiphase oil-water continuous separation method based on nylon net
A nylon mesh, oil-water technology, applied in separation methods, immiscible liquid separation, liquid separation, etc., can solve the problems of polluted separation materials and equipment functions, complex production process, high cost, and achieve high separation speed and high separation efficiency. , the effect of low manufacturing cost
Active Publication Date: 2020-04-03
HEFEI UNIV OF TECH
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Problems solved by technology
[0003] At present, the crude oil on the sea surface has a very high diffusivity. After the accident, it must be dealt with as soon as possible to reduce the spread of crude oil. Petroleum and its refined products also have extremely high adhesion, which will contaminate separation materials and equipment and cause their functions to fail.
Researchers imitate biological tissues to create interface materials with tunable wettability for oil-water separation, but the production involves 3D printing, photolithography and laser direct writing technology, the production process is complicated and the cost is extremely high
Method used
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Embodiment 1
[0042]The present embodiment is based on the multiphase oil-water continuous separation method of nylon mesh, comprising the following steps:
[0043] Step 1, such as figure 1 and figure 2 As shown, use acetone with concentration ≧95% and alcohol solution with concentration ≧99.7% to clean the high borosilicate solvent suction filtration device, and then assemble, from top to bottom are filter cup (300mL), hollow filter head and triangular Liquid collection bottle (500mL), and the side pipe of the hollow filter head is connected to the exhaust valve through a rubber hose.
[0044] Step 2. Clean the nylon mesh with distilled water and dry it with high-pressure nitrogen, cut it to a suitable size, and then install it between the filter cup and the hollow filter head of the suction filter device (use stainless steel iron clips to fix and seal), Pre-wet with heavy oil 1,2-dichloroethane to obtain a continuous oil-water separation device, and ensure that the nylon mesh is sealed...
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Abstract
The invention discloses a multiphase oil-water continuous separation method based on a nylon net, which comprises the following steps: mounting the nylon net pre-wetted by heavy oil on a suction filtration device, and realizing layer-by-layer separation of each phase by utilizing negative pressure. According to the method, based on an environment-friendly material, namely the nylon net, in combination with negative pressure guidance, orderly, step-by-step and controllable integrated separation can be conducted on multiphase oil and water, and the method is simple, convenient, flexible, wide inapplicability and high in separation speed and separation efficiency.
Description
technical field [0001] The invention belongs to the field of oil-water separation, and in particular relates to a multi-phase oil-water continuous separation method based on nylon mesh. Background technique [0002] From the crude oil spill of the supertanker "Tolicanion" in 1967 to the present, offshore oil spills have occurred frequently, and the organic compounds contained in oil, including toxic substances such as benzene and toluene, have seriously damaged marine ecology. In addition, human industrial development and daily life will bring a lot of industrial oily wastewater and domestic sewage. These oily sewage seriously affect the human living environment, the life safety of various species and the health of the ecosystem. Therefore, in order to solve such problems, it is of far-reaching significance to explore and find economical materials with oil-water separation function in line with the requirements of national economic and environmental development. [0003] A...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B01D17/022
CPCB01D17/02
Inventor 曾亿山赵煜阳黄河刘旺刘睿李家文
Owner HEFEI UNIV OF TECH