Abstract:
이 발명은 환경오염원으로서 큰 부분을 차지하는 사람의 분뇨 및 가축의 분뇨 등 기타 고농도 유기성 오·폐수를 액상 부식법의 처리과정에서 처리되지 않는 TN, TP, BOD, COD 제거 수질검사기준에 적합한 처리수가 되고 여기에서 발생된 탈수 케이크는 양질의 유기비료로 만들어 유기농법이나 토양개량제로 재활용하도록 하는 액상부식법에 의한 고농도 유기성 오·폐수의 TN, TP, COD 제거방법 및 퇴비화 방법에 관한 것으로 유입된 유기성 오·폐수를 일정기간 동안 액상부식조내에 체류시키면서 반응시키므로 유입수량, 수질 등의 부하 변동에 민감하지 않고 고농도 유기성 오·폐수를 일정기간 동안 폭기하여 함유된 각종 오염물질을 산화분해시키고 일정시간 동안 수중 교반하는 동시에 산화질소 또는 질소가스로 환원시켜 대기중에 방출한 후 다음공정으로 이송하여 PH조정과 응집제를 투입 응집반응시켜 TP와 잔존 COD를 제거하고 멸균처리 방류하는 과정을 1일 주기로 반복하도록 하는 것이다.
Abstract:
이 발명은 유동상 소각로에 관한 연소제어 및 다이옥신(Dioxin)류 발생억제와 제거에 관한 것으로 유동상로 내의 모래(규사) 등의 유동매체를 넣고 로의 하부에서 블로워에 의해 공기를 분산판을 통하여 보내면 풍압에 의해 유동사의 상태가 변하게 되는데 3단계로 구분된다. 유동상 소각로에 있어서 온도검출센서, 산소검출센서, 압력검출센서, 명암도 검출센서, 투입량 검출센서 등을 이용 설정된 최적의 조건으로 도시폐기물 또는 산업폐기물을 소각할 수 있도록 하기 위하여 각각 검출된 값에 따라 즉시 대응 제어하는 마이콤, 상기 마이콤 제어하에 전력펄스 신호를 출력하는 인터페이스로부터 인가되는 전력 펄스 신호에 따라 정해진 각각의 제어시스템을 운영하는 것이다.
Abstract:
PURPOSE: A process for removing nitrogen and phosphorus in advanced treatment of livestock wastewater and excrements is provided to biologically remove varieties of pollutants such as nitrogen and phosphorus causing eutrophication of lakes and marshes, rivers and the sea, and a sludge reduction system thereof is provided. CONSTITUTION: In a method for removing nitrogen and phosphorus in advanced treatment of livestock wastewater and excrements, and a sludge reduction system thereof, the advanced treatment method of livestock wastewater and excrements comprises a first treatment process of pretreating livestock wastewater and excrements, wherein collected wastewater is injected into a hopper(101) and passes through a screen(102) and a grit chamber(103), the wastewater passing the screen(102) and the grit chamber(103) is solid-liquid separated in a centrifugal separator(104) and injected into a storage tank(105); a second treatment process in which a certain amount of the homogenized wastewater is transferred from the storage tank(105) to a pre-liquid humus tank(106), a certain amount of wastewater passing the pre-liquid humus tank(106) is flown into a principal liquid humus tank(107) for performing biological aerobic/anoxic reaction before some of the wastewater is circulated into the pre-liquid humus tank(106); a third treatment process in which the wastewater completing biological reaction in the liquid humus tanks(106,107) is transferred to a mixing tank(108) where it is stored for a certain period of time, the wastewater passing the mixing tank(108) is transferred into a coagulation tank(109) for chemical precipitation treatment of impurities, a wastewater from the coagulation tank(109) is solid-liquid separated in a dehydrator(110); and a fourth treatment process in which the wastewater solid-liquid separated in the dehydrator(110) is supplied into a neutralization tank(101) for pH adjustment, suspended solids are removed from the pH adjusted wastewater in an up flow type filter(112), various pollutants are removed from the suspended solid removed water in a bio contact filter tank(113), pollutants are removed from a disk filter(114) on which a microfilter is mounted, the water passing the disk filter(114) is transferred to an ozone contact tank(115) for sterilization and COD removal, and a resulting water is supplied into an activated carbon adsorber(116) for advanced treatment of colors and pollutants such as heavy metals before being finally discharged through an effluence tank.
Abstract:
이 발명은 생활하수를 회전원판법(RBC process) 원리에 의한 원판을 이용 미생물의 생물막을 원판표면에 형성시켜 오염된 생활하수가 미생물에 정화되어 수질검사 기준에 적합한 수질이 되고, 고액 분리된 슬럿지(Sludge)는 토양개량제 또는 양질의 유기질 비료가 되도록 하는 회전원판법에 있어서 하수 및 오폐수의 질소(N), 인(P) 제거방법에 관한 것이다. 종래법으로 처리가 되지 않던 질소(N), 인(P)을 손쉽게 제거하여 공업용수 또는 농업용수로 재활용할 수 있게 하고 처리시설의 간소화를 도모하여 시설비, 관리비등을 절감하여 국가재정 및 농촌소득증대에 기여하는 것을 목적으로 한다.
Abstract:
PURPOSE: A method for controlling combustion and a method for removing dioxin in a stoker incinerator is provided to control the density of oxygen and the fluctuation of displacement and to prevent exhaust of unburned gas. CONSTITUTION: A method for burning refuse in a stoker incinerator uses an automatic controlling system comprising a measuring equipment including a detecting sensor for temperature, density of oxygen, brightness, quantity of input of refuse, and thickness and a control device(19) adjusting temperature, the drive speed of grate, the feed rate of air, or the feed rate of refuse and then keeping the detecting value as the preset value according to the signal of power pulse. The exhaust gas caused by combustion is fed to the temperature-sensing tower and cooled instantaneously and then treated with adsorbent.
Abstract:
PURPOSE: A process for removing nitrogen and phosphorus in advanced treatment of livestock wastewater and excrements is provided to biologically remove varieties of pollutants such as nitrogen and phosphorus causing eutrophication of lakes and marshes, rivers and the sea, and a sludge reduction system thereof is provided. CONSTITUTION: In a method for removing nitrogen and phosphorus in advanced treatment of livestock wastewater and excrements, and a sludge reduction system thereof, the advanced treatment method of livestock wastewater and excrements comprises a first treatment process of pretreating livestock wastewater and excrements, wherein collected wastewater is injected into a hopper(101) and passes through a screen(102) and a grit chamber(103), the wastewater passing the screen(102) and the grit chamber(103) is solid-liquid separated in a centrifugal separator(104) and injected into a storage tank(105); a second treatment process in which a certain amount of the homogenized wastewater is transferred from the storage tank(105) to a pre-liquid humus tank(106), a certain amount of wastewater passing the pre-liquid humus tank(106) is flown into a principal liquid humus tank(107) for performing biological aerobic/anoxic reaction before some of the wastewater is circulated into the pre-liquid humus tank(106); a third treatment process in which the wastewater completing biological reaction in the liquid humus tanks(106,107) is transferred to a mixing tank(108) where it is stored for a certain period of time, the wastewater passing the mixing tank(108) is transferred into a coagulation tank(109) for chemical precipitation treatment of impurities, a wastewater from the coagulation tank(109) is solid-liquid separated in a dehydrator(110); and a fourth treatment process in which the wastewater solid-liquid separated in the dehydrator(110) is supplied into a neutralization tank(101) for pH adjustment, suspended solids are removed from the pH adjusted wastewater in an up flow type filter(112), various pollutants are removed from the suspended solid removed water in a bio contact filter tank(113), pollutants are removed from a disk filter(114) on which a microfilter is mounted, the water passing the disk filter(114) is transferred to an ozone contact tank(115) for sterilization and COD removal, and a resulting water is supplied into an activated carbon adsorber(116) for advanced treatment of colors and pollutants such as heavy metals before being finally discharged through an effluence tank.
Abstract:
PURPOSE: A sanitary landfill early stabilization method and a construction method of vertical leachate barrier according to the same are provided to effectively and promptly decompose wastes and contaminants in a landfill within a short time using new strain microorganisms having superior decomposition power and prevent outflow of leachate by using the vertical leachate barrier. CONSTITUTION: In a sanitary landfill early stabilization method and a construction method of vertical leachate barrier according to the same, the sanitary landfill stabilization method comprises the steps of injecting at least one or more strains selected from the group consisting of new strain microorganism Bacillus khr-10-mx, Cellulomonas khr-15-mx and composite strain khr-5-mx in an amount of 50 to 1000 g/hr per one air supply/exhaust tube well(11) by connecting compressor unit(12), booster unit(14), new strain and nutrients supply unit(16) and gas treatment unit(17) to air supply/exhaust tube wells(11) having a waste landfill depth after dividing the sanitary landfill into a certain cell; adjusting injection composition for the nutrients so that a ratio of TOC:TKN:P is 100:10 to 5:5 to 1; rapidly stabilizing dominant activation of the new strain microorganisms by maintaining pressure of air in the sanitary landfill to 0.05 to 0.5 bar; and safely treating LFG in the gas treatment unit(17) by passing LFG produced in the stabilization step through a condenser(13), wherein a controller automatically controls the compressor unit(12), booster unit(14), new strain and nutrients supply unit(16) and gas treatment unit(17) according to values detected from a sensor of a sanitary landfill monitoring tube well(15), and the construction method of vertical leachate barrier comprises the steps of installing a sanitary landfill surface sealing sheet(19) for excluding rainwater from the sanitary landfill; and selectively installing sheet pile or grouting pile as the vertical leachate barrier(18) for blocking outflow of leachate.
Abstract:
PURPOSE: A sequencing batch reactor process for treating sewage/wastewater with decreased sludge production is provided, which is characterized in that sludge volume of sequencing batch reactor is maintained regularly by self-oxidation and solubilization of sludge. And sludge is recycled as carbon source. CONSTITUTION: The system includes first step for removing adulteration of sewage/wastewater by screen(10); second step for removing micro material or remaining adulteration by grit chamber(12); third step for mixing and controlling flowrate of sewage/wastewater; forth step for biological reaction of wastewater in a pre-sequencing batch reactor(14) and a primary sequencing batch reactor(15); fifth step for settling sludge for 30-60 minutes; sixth step for discharging supernatant water for 30-60 minutes by decanter; seventh step for idling for 3 to 5 minutes; eighth step for filtering micro suspended solids of supernatant water; ninth step for disinfection and discharging treated water; tenth step for solubilization of sludge in solubilization tank(17); and eleventh step for supplying solubilized sludge into the pre-sequencing batch reactor(14) and the primary sequencing batch reactor(15) as carbon source.
Abstract:
PURPOSE: A system for detecting water leakage and damaged position of water cut sheet and repair and maintenance method is provided to prevent environmental contamination by rapidly detecting and repairing the damaged portion of water cut sheet. CONSTITUTION: A system comprises a single liner(8) or a double liner arranged onto a water cut layer constructed on the ground of a waste disposal area; a constant current feed unit(1); a first feeder electrode(2) and a second feeder electrode for feeding the current supplied from the constant current feed unit, to the water cut sheet and a protection layer(23) of the waste disposal area; sensors(6) interposed between the single liner and the double liner, and which are operated by the current supplied from the constant current feed unit and generate electric potentials in response to the water leaking through the damaged portion of the single liner or the double liner; a control box(4) connected to sensors through a cable(5), and which checks electric potentials of sensors; and a host computer(21) having an Internet scripter and a user graphic interface for displaying the damaged position of the water cut sheet of the water disposal area. An automatic alarm system operates immediately upon occurrence of damage to the water cut sheet or layer, so as to generate an alarm to the host computer and a terminal of an administrator. The detected data is transmitted, in a real time basis, to the host computer and stored therein.
Abstract:
PURPOSE: A method for the rapid stabilization of landfill site and vertical linear system for the same are provided to prevent leachate overflow by vertical linear system and increase decomposition rate of wastes and chemical compounds by using strain microorganisms, thus stabilize sanitary landfill site in a short period of time. CONSTITUTION: The method includes the steps of dividing a landfill site into several landfill zone to install air supply/leachate drainage wells(11); injecting at least one strain microorganisms selected from the group consisting of Bacillus khr-10-mx, Cellulomonas khr-15-mx, khr-5-mx in an amount of 50 to 1000 mg/L· day per an air supply/leachate drainage well; adjusting nutrients ratio inside landfill site (TOC : TKN : P is 100 : 10 to 5 : 5 to 1); and transferring land fill gas (LFG) generated from above rapid stabilization process through a condenser(13) to a gas treatment device(17). The vertical linear system comprises a cover sheet(19) for sealing the surface of landfill site from atmosphere to maximize air supply efficiency; a rainwater drainage system; and sheet piles or grouting piles.