首页 / 国际专利分类库 / 作业;运输 / 一般的物理或化学的方法或装置 / 分离 / 过滤方法(专门适用于气体过滤的方法入B01D 46/00)
序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
141 JPH06511190A - JP50163092 1992-06-23 JPH06511190A 1994-12-15
A method and apparatus is disclosed for oxidation of aqueous mixtures of organic material, including toxic material in the presence of inorganic materials, by reaction of said material with water and oxygen at supercritical conditions. Oxygen and the aqueous mixture are separately pressurized to greater than about 218 atmospheres, combined to form a reaction mixture and then directed through a tubular reactor having a substantially constant internal diameter. The velocity of the reaction mixture is sufficient to prevent settling of a substantial portion of solids initially present in the reaction mixture and of solids which form during passage through the reactor. The mixture is heated to temperature above about 374° C. in the tubular reactor. A substantial portion of the organic material in the reaction mixture is oxidized in the tubular reactor to thereby form an effluent mixture. Inorganic salts in the effluenet mixture, which are insoluble at conditions of supercritical temperature and pressure for water, are dissolved in a liquid water phase during cooldown of the effluent mixture at an outlet end of the reactor. Inorganic solids that are not soluble in the effluent mixture can be separated from a substantial portion of the effluent mixture by filtration prior to subsequent depressurization of the effluent mixture.
142 Filtration of cellulose acetate solution, and plant therefor JP5502292 1992-03-13 JPH05117302A 1993-05-14 BUARUTAA KURAIN
PURPOSE: To continuously filter a cellulose acetate soln. over a long period of time when artificial silk is produced by filtering the soln. under backflushing conditions to dilute a backflush soln. in a closed system and continuously separating an insoluble component to reutilize the same as a solvent. CONSTITUTION: In the plant for producing acetate rayon (artificial silk), a filter station 1 containing backflush filters 2, 3 having backflushes filtering a cellulose acetate soln., a dilution station 7, the solvent supply duct 10 entering the dilution station 7 along with a backflush duct 6, other one duct 13 carrying the backflush soln. issued from the dilution station 7 to carry the same to a separator 14 and a supply duck 18 supplying the solid-free backflush soln. to a cellulose acetate producing process 19 as a solvent to reutilize the same are provided and the cellulose acetate soln. is filtered continuously over a long period of time without disassembling a filter apparatus. COPYRIGHT: (C)1993,JPO
143 JPH046406B2 - JP20609183 1983-11-04 JPH046406B2 1992-02-05 ANTOWAANU KUROODO
144 JPH0349607B2 - JP50302282 1982-09-20 JPH0349607B2 1991-07-30 DEYUBOO JAN
145 Apparatus and method for removing cloudiness from dewaxed hydrocarbon oil mixture boiling within lubricating oil range JP5485089 1989-03-07 JPH02235991A 1990-09-18 DAGURASU JIYAIRUZU RAIAN; DONARUDO BURUUSU TORASUTO; RUDORUFU ROJIYAA SABUORII
PURPOSE: To remove cloudiness from a dewaxed hydrocarbon oil mixture by combining a dewaxed oil mixture and a non-dewaxed oil mixture to simultaneously filter them and introducing free charge being net single polarity into the dewaxed oil mixture before combined with the non-dewaxed oil mixture. CONSTITUTION: A non-dewaxed hydrocarbon oil mixture boiling within a lubricating oil range and a cloud dewaxed hydrocarbon oil mixture are combined and the cloud oil mixture is directly introduced into a dewaxing plant in the filtering stage so that those mixtures are simultaneously filtered. Before this oil mixture is combined with the non-dewaxed oil mixture, free charge being net single polarity is introduced into the cloud dewaxed oil mixture. By introducing free charge, vol. charge distribution guides an electric field into the oil mixture during the filter stage in the filter stage of a dewaxing plant to charge the cloudiness in the oil mixture and electric drive force generating the mutual action of a dielectric field and the charge of cloudiness to act on the cloudiness is generated and sufficiently excessive free charge is introduced so as to accelerate the removal of cloudiness from the dewaxed mixture during filtering and cloudiness is removed from the cloud dewaxed hydrocarbon oil mixture boiling within the lubricating oil range. COPYRIGHT: (C)1990,JPO
146 JPS6341608B2 - JP17953683 1983-09-27 JPS6341608B2 1988-08-18 WADA ATSUKI; TAKAHASHI MIKIO; SUHARA EIJI
The present invention relates to an apparatus of a fixed type for supplying filtered liquid which is able to filter liquid containing impurities of minute solid particles and then supply the filtered liquid while further filtering the same, said apparatus itself being of a fixed type, so designed that the liquid is repeatedly passed through a filter member provided within said apparatus for sufficient filtration, and at the same time, the liquid is filled in a movable container with rollers so as to be freely taken in or out of the apparatus in a completely purified condition, wherein the liquid in the movable container is transferred to fixed tanks, when the movable container is separated from the apparatus so as to be filled with fresh liquid, further to a discharge port through said filter member.
147 Vacuum pump with filter for lubricant JP21499286 1986-09-11 JPS62243694A 1987-10-24 ENTSUO KAROONI
148 JPS626871B2 - JP3419979 1979-03-23 JPS626871B2 1987-02-13 JIUSETSUPE KOSUTA
149 Method and device for disposing waste water JP13673885 1985-06-22 JPS6115792A 1986-01-23 JIYON DABURIYU UITSUTOMAN; ROBAATO SHII UINKERUMAN; DAGURASU EFU MUUASU; RICHIYAADO ERU DABII
150 Method and device for recovering sodium sulfide from lime pit treatment circulating water for leather tanning work JP22534483 1983-11-28 JPS59146913A 1984-08-23 JIYOBUANNI TEIBARUDEI
Water from a tannery lime pit, containing sodium sulphide in solution, is purified for reuse by filtering through fossil flour, which is deposited as a filter aid on a rotary filter drum 4 operating under suction. Blade 10 advances to peel off a layer of the flour and retained solids. Tank 6 downstream of the filter drum separates the filtrate from the air. Multi-layer sieve 8 holds back liquid and foam from suction pump 9.
151 Method and apparatus for separating suspended component JP20609183 1983-11-04 JPS59130546A 1984-07-27 ANTOWAANU KUROODO
152 JPS591859B2 - JP4860677 1977-04-28 JPS591859B2 1984-01-14 ROOREN PII TEIRAA; ARETSUKUSU PETOROSUKI
A novel mobile system for cleaning and processing catch basin and/or lagoon waste products is described wherein the degree of waste product dilution is carefully controlled prior to transmission to a mobile dewatering truck capable of producing a substantially dry land fill suitable end product and water suitable for recirculation or environmentally acceptable discharge to a process head or sanitary sewer.
153 Method of dehydrating sludge containing mineral oil and recovering mineral oil fraction JP292682 1982-01-13 JPS57141491A 1982-09-01 BURUUNO ZANDAA; FURIIDORIHI HOOFUEMAN; KURUTO SHIEERURINGU
A process for dewatering petroleum-containing sludges by a two-stage method using finely divided additives and organic flocculants, wherein (a) finely divided additives, such as ash, coal, sand or mixtures of these, in a free-flowing form or as an aqueous suspension, are homogeneously dispersed in the petroleum-containing sludge, in an amount such that the total solids content of the resulting mixture is from 10 to 30% by weight, especially from 12 to 20% by weight, (b) this sludge mixture is treated with an aqueous solution of an organic flocculant, preferably of anionic nature, (c) the greater part of the sludge water is removed by gravity filtration, (d) the pre-dewatered sludge mixture is treated with an aqueous solution of aluminum salts or trivalent iron salts and (e) this mixture is substantially dewatered by pressure filtration, in the course of which the greater part of the petroleum present is also removed.
154 Valve filter JP4341180 1980-04-02 JPS55152783A 1980-11-28 DONARUDO EI DAARUSUTOROMU
155 JPS5540283B2 - JP7574871 1971-09-28 JPS5540283B2 1980-10-17
156 Separation of colloidal zeolite particle JP10067879 1979-08-07 JPS5556010A 1980-04-24 DONARUDO EI BITSUKUSON
157 Method of and device for purifying waste water JP10740978 1978-09-01 JPS5490859A 1979-07-18 UIRII PARUMAA
158 JPS5416629B1 - JP2529970 1970-03-27 JPS5416629B1 1979-06-23
A pressure filter and a method of filtering of the type employing a particulate filter aid may be operated substantially continuously through an operating cycle composed of a cleaning stage of short duration, say on the order of 4 or 5 seconds, in which the filter aid layer and accumulated filter cake are purged from an open-work, supporting filter element, a coating stage in which a new layer of filter aid is formed on the filter element and involving a time of about 10 seconds, and a filtering stage. A rapid coating of the element with a layer of filter aid is facilitated by using a filter aid having a mean particle size approximately equal to the size of the openings in the support. The filter aid purged from the filter chamber during each cleaning cycle is recovered by conducting the mixture of filter aid, impurities, and raw liquid from the filter, upon cleaning, to a holding tank and then recycling, over a period of time or continuously, the mixture from the holding tank through a separator. The filter aid fraction is separated and conducted into a filter aid storage tank for use during the next cycle, make-up filter aid and filtrate being added to the filter aid storage tank as required. The level in the holding tank is reduced just before each cleaning to the extent required to provide a capacity sufficient to receive the mixture purged from the filter during cleaning. Continuous filtrate output may be achieved by accumulating filtrate in a storage reservoir during the filtering stage (for delivery) during the cleaning and filter aid coating stages.
159 JPS5210100B2 - JP2830872 1972-03-21 JPS5210100B2 1977-03-22
This invention relates to a method for effectively treating sludge formed in city sewer systems. More particularly, this invention relates to a method for obtaining lightweight foamed materials useful as fillers which comprises adding, on filtration of sludge formed in the purification treatment of city sewers, foaming granular volcanic ash deposits to the sludge to facilitate the filtration treatment and utilizing the filtration residue as a lightweight foamed material.
160 Hoshanooobitaryushideosensareta ekitainoshorihoho oyobi sochi JP4827275 1975-04-22 JPS5171500A 1976-06-21 JIIN HAAZU
QQ群二维码
意见反馈