CN105670677A - Device and process for mixing micro-alga and rice husk to produce oil by aid of continuous hydrothermal method - Google Patents
Device and process for mixing micro-alga and rice husk to produce oil by aid of continuous hydrothermal method Download PDFInfo
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- CN105670677A CN105670677A CN201610039187.5A CN201610039187A CN105670677A CN 105670677 A CN105670677 A CN 105670677A CN 201610039187 A CN201610039187 A CN 201610039187A CN 105670677 A CN105670677 A CN 105670677A
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- hydrothermal reaction
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1011—Biomass
- C10G2300/1014—Biomass of vegetal origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention belongs to the field of biomass energy, and particularly relates to a device and a process for mixing micro-alga and rice husk to produce oil by the aid of a continuous hydrothermal method.The process includes feeding the micro-alga and the rice husk into a stirring tank, then stirring the micro-alga and the rice husk until the micro-alga and the rice husk are in slurry states, feeding the micro-alga and the rice husk into an upper storage tank along with nitrogen which is sweeping gas, then feeding the micro-alga and the rice husk into a lower storage tank, feeding the micro-alga and the rice husk into a hydrothermal reaction kettle by the aid of a spiral feeding device at the bottom of the lower storage tank and liquefying the micro-alga and the rice husk in the hydrothermal reaction kettle by means of high-temperature and high-pressure hydrolysis to obtain products; separating the products to obtain gas phases, liquid phases and solid phases, carrying out reaction, respectively feeding high-temperature steam, the gas phases and the liquid phases into a gas-liquid separator from the top and the bottom of the reaction kettle, separating separated liquid products into oil phases and water phases, directly draining the water phases and collecting and utilizing the oil phases; discharging solid residues in the solid-phase hydrothermal reaction kettle out of the bottom of the reaction kettle.
Description
Technical field
The invention belongs to biomass energy field, it is specifically related to the device of a kind of micro-algae with rice husk mixing continuous hydrothermal method liquefaction and technique.
Technical background
The plurality of advantages such as biomass energy has cleaning, renewable. Rational exploitation and utilization biomass energy, can not only reduce the dependence to tradition fossil oil, moreover it is possible to reduce environmental pollution, alleviates Greenhouse effect. The Land use systems of biomass liquefying can be divided into pyrolysis liquefaction and hydrolyzate. The terrestrial organism matter that the water content such as pyrolysis liquefaction is applicable to stalk, rice husk are low, and the hydrobiont matter that the water content such as hydrolyzate is applicable to marine alga, micro-algae is high. The biomass by hydrolyzation liquefaction that water content is high, it is not necessary to carry out dehydration dry, it is possible to reach the order ground saving the energy. Owing to current hydrolyzate is nearly all the batch operation of autoclave, it is difficult to realize large-scale Commercial cultivation, so the device of research and development continuous hydrothermal reaction seems particularly important.
Summary of the invention
The order ground of the present invention is just to provide the liquefying plant of micro-algae with rice husk mixing continuous hydrothermal method, this device is hydrolyzed the high biomass of water content without the need to drying of dewatering again, can according to reaction required for optimum temps and pressure condition control temperature, it is easy to operation, percent hydrolysis height, consume energy low, facilitate large-scale industrial production.
The technical scheme of the present invention:
The device of a kind of micro-algae and rice husk mixing continuous hydrothermal method liquefaction, comprise micro-algae and add feed bin, rice husk adds feed bin, stirred pot, higher level's storage tank, subordinate's storage tank, hydrothermal reaction kettle, gas-liquid separator, their mode of connection is: described micro-algae adds after feed bin adds feed bin parallel connection with rice husk and is connected with stirred pot, stirred pot is connected with higher level's storage tank, higher level's storage tank is connected with subordinate storage tank, subordinate's storage tank is connected with hydrothermal reaction kettle by helixes feed equipment, the air outlet of hydrothermal reaction kettle is connected with the inlet mouth of gas-liquid separator, the air outlet of gas-liquid separator and discharge port are all connected with outer part device.
Having electronic valve between described higher level's storage tank and subordinate's storage tank, the bottom of described subordinate storage tank and the opening for feed of hydrothermal reaction kettle all have electronic valve;
Slag-drip opening shape bottom described hydrothermal reaction kettle is the taper of 60 degree, is convenient to the discharge of solid residue.
Utilizing device of the present invention to carry out the technique of micro-algae with rice husk mixing continuous hydrothermal method liquefaction, concrete steps comprise:
Step 1: after micro-algae is stirred to slurry after mixing with rice husk, enters higher level's storage tank under nitrogen purge;
Step 2: open the electronic valve between higher level's storage tank and subordinate's storage tank after higher level's storage tank storage material, allow mixed serum enter subordinate's storage tank.
Step 3: after subordinate's storage tank storage material, opening the electronic valve bottom subordinate's storage tank, mixed serum enters helixes feed equipment.
Step 4: the electronic valve of hydrothermal reaction kettle opening for feed is opened, helixes feed equipment starts, and mixed serum is pushed in hydrothermal reaction kettle to react.
Step 5: after completion of the reaction, opens hydrothermal reaction kettle air outlet and high temperature and high pressure steam is sent into gas-liquid separator, then thermal response still bottom slag discharge of fetching boiling water discharges solid residue, keeps the temperature of hydrothermal reaction kettle, then charging, starts to react next time.
Powdered rice hulls is broken into the powder shape of 2mm～5mm size, mixes with micro-algae, and the mass ratio of described rice husk and micro-algae is the mixing of 1:3～3:1, churning time 5～15 minutes.
Helixes feed equipment bottom subordinate's storage tank starts 15s every time, and each charging reaches the 2/5～4/5 of hydrothermal reaction kettle volume, the service temperature of hydrothermal reaction kettle 280 DEG C～380 DEG C, working pressure 22MPa～25MPa, 30 minutes operating times.
It is equipped with automatic valve with hydrothermal reaction kettle opening for feed bottom subordinate's storage tank, after helixes feed equipment starts 15s, the electronic valve of hydrothermal reaction kettle opening for feed is closed, and stops charging, and the electronic valve bottom subordinate's storage tank is opened, filler is to helixes feed equipment, when hydrothermal reaction kettle again charging time, electronic valve bottom subordinate's storage tank is closed, and prevents pressure from making a false countercharge, the electronic valve of hydrothermal reaction kettle opening for feed is opened, and starts helixes feed equipment and is fed to hydrothermal reaction kettle.
After being fed to hydrothermal reaction kettle, to inflated with nitrogen in hydrothermal reaction kettle every time, it is charged to hydrothermal reaction kettle pressure and reaches 3MPa～5MPa, stop inflation, heat up, determine temperature according to pressure, when hydrothermal reaction kettle pressure reaches 22MPa～25MPa, stop heating.
Having electronic valve between higher level's storage tank and subordinate's storage tank, material enters from stirred pot and adopts nitrogen purge protection feeding in higher level's storage tank, and during feeding, electronic valve between higher level's storage tank and subordinate's storage tank is closed.
The useful effect of the present invention:
(1) micro-algae and rice husk have cooperation mechanism, and mixed hydrolysis can improve the output of bio oil;
(2) micro-algae self water ratio height, without the need to adding water after mixing with rice husk again, it is possible to reacts after directly stirring;
(3) this device can realize continuous hydrolysis reaction, saves manpower and materials;
(4) hydrothermal reaction kettle inflated with nitrogen can be solved the problem that the indefinite pressure caused of reactant water quality does not reach requirement;
(5) temperature of reaction can be controlled according to the required optimum pressure condition of reaction, simple and convenient, save the energy;
(6) the bio oil oxygen level of hydrolysis is low, calorific value height, and quality is good;
(7) setting of two-stage storage tank, first when can avoid nitrogen purge material, and nitrogen can enter reactor, the 2nd adverse current being possible to prevent in reactor gas.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram;
Description of reference numerals:
1. micro-algae adds feed bin, 2. rice husk and adds feed bin, 3. stirred pot, 4. higher level's storage tank, 5. subordinate's storage tank, 6. hydrothermal reaction kettle, 7. gas-liquid separator.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail: the device of a kind of micro-algae and rice husk mixing continuous hydrothermal method liquefaction and technique, and device comprises that micro-algae adds feed bin 1, rice husk adds feed bin 2, stirred pot 3, higher level's storage tank 4, subordinate's storage tank 5, hydrothermal reaction kettle 6, gas-liquid separator 7.Their mode of connection is that micro-algae adds after feed bin 1 adds feed bin 2 parallel connection with rice husk and is connected with stirred pot 3, stirred pot 3 is connected with higher level's storage tank 4, higher level's storage tank 4 is connected with subordinate storage tank 5, subordinate's storage tank 5 is connected with hydrothermal reaction kettle 6 by helixes feed equipment, hydrothermal reaction kettle 6 top is connected with gas-liquid separator 7 top, is connected bottom hydrothermal reaction kettle 6 with in the middle part of gas-liquid separator 7.
Have electronic valve between higher level's storage tank 4 and subordinate's storage tank 5, bottom subordinate's storage tank 5 and the opening for feed of hydrothermal reaction kettle 6 also have electronic valve, the slag-drip opening shape bottom hydrothermal reaction kettle 6 is the taper of 60 degree.
Electronic valve between higher level's storage tank 4 and subordinate's storage tank 5 is closed, micro-algae and rice husk add feed bin 1 from micro-algae respectively and rice husk adds feed bin 2 in mass ratio for 1:3～3:1 enters stirring stirred pot 3, churning time 5～15 minutes, after being stirred to slurryization, enter higher level's storage tank 4 under nitrogen purge, after higher level's storage tank 4 is full, open the electronic valve between higher level's storage tank 4 and subordinate's storage tank 5, material enters subordinate's storage tank 5, after subordinate's storage tank 5 is bought securities with all one's capital, close the electronic valve between higher level's storage tank 4 and subordinate's storage tank 5, open the electronic valve bottom subordinate's storage tank 5, after material enters the helixes feed equipment bottom subordinate's storage tank 5, close the electronic valve bottom subordinate's storage tank 5, open the electronic valve of hydrothermal reaction kettle 6 opening for feed, start helixes feed equipment, after 15s, the electronic valve of hydrothermal reaction kettle 6 opening for feed is closed, helixes feed equipment stops rotating, charging is complete, charging reaches the 2/5～4/5 of hydrothermal reaction kettle 6, to inflated with nitrogen in hydrothermal reaction kettle 6, it is charged to hydrothermal reaction kettle 6 pressure and reaches 3MPa～5MPa, stop inflation, heat up, temperature is determined according to pressure, when hydrothermal reaction kettle 6 pressure reaches 22MPa～25MPa, when temperature reaches 280 DEG C～380 DEG C, stop heating, reaction times is 25～35 minutes, after having reacted, high-temperature steam is sent into from reactor top gas-liquid separator, it is oil phase and aqueous phase under the liquid product low pressure that separation obtains, aqueous phase is directly discharged, oil phase is Collection utilization then, solid residue in hydrothermal reaction kettle is discharged bottom reactor. after product is discharged, keep the temperature of hydrothermal reaction kettle 6, then charging, start to react next time.
Claims (9)
1. the device of a micro-algae and rice husk mixing continuous hydrothermal method liquefaction, it is characterized in that, comprise micro-algae and add feed bin (1), rice husk adds feed bin (2), stirred pot (3), higher level's storage tank (4), subordinate's storage tank (5), hydrothermal reaction kettle (6), gas-liquid separator (7), described micro-algae adds after feed bin (1) adds feed bin (2) parallel connection with rice husk and is connected with stirred pot (3), stirred pot (3) is connected with higher level's storage tank (4), higher level's storage tank (4) is connected with subordinate's storage tank (5), subordinate's storage tank (5) is connected with hydrothermal reaction kettle (6) by helixes feed equipment, the air outlet of hydrothermal reaction kettle (6) is connected with the inlet mouth of gas-liquid separator (7), air outlet and the discharge port of gas-liquid separator (7) are all connected with outer part device.
2. the device of micro-algae according to claim book 1 and rice husk mixing continuous hydrothermal method liquefaction, it is characterized in that, having electronic valve between described higher level's storage tank (4) and subordinate's storage tank (5), the bottom of described subordinate storage tank (5) and the opening for feed of hydrothermal reaction kettle (6) all have electronic valve.
3. the device of micro-algae according to claim book 1 and rice husk mixing continuous hydrothermal method liquefaction, it is characterised in that, the slag-drip opening shape of described hydrothermal reaction kettle (6) bottom is the taper of 60 degree.
4. adopt the device according to any one of claims 1 to 3 to carry out the technique of micro-algae with rice husk mixing continuous hydrothermal method liquefaction, it is characterised in that, concrete steps comprise:
Step 1: after micro-algae is stirred to slurry after mixing with rice husk; Enter higher level's storage tank (4) under nitrogen purge;
Step 2: open the electronic valve between higher level's storage tank (4) and subordinate's storage tank (5) after higher level's storage tank (4) storage material, allow mixed serum enter subordinate's storage tank (5);
Step 3: after subordinate's storage tank (5) storage material, opening the electronic valve of subordinate's storage tank (5) bottom, mixed serum enters helixes feed equipment;
Step 4: the electronic valve of hydrothermal reaction kettle (6) opening for feed is opened, helixes feed equipment starts, and mixed serum is pushed in hydrothermal reaction kettle (6) and reacts;
Step 5: after completion of the reaction, open hydrothermal reaction kettle (6) air outlet and high temperature and high pressure steam is sent into gas-liquid separator (7), then open hydrothermal reaction kettle (6) bottom slag discharge discharge solid residue, keep the temperature of hydrothermal reaction kettle (6), then charging, starts to react next time.
5. the technique of micro-algae according to claim 4 and rice husk mixing continuous hydrothermal method liquefaction, it is characterized in that, powdered rice hulls is broken into the powder shape of 2mm～5mm size, mixes with micro-algae, the quality of described rice husk and micro-algae is 1:3～3:1, churning time 5～15 minutes.
6. the technique of micro-algae according to claim 4 and rice husk mixing continuous hydrothermal method liquefaction, it is characterized in that, the helixes feed equipment of subordinate's storage tank (5) bottom starts 15s every time, each charging reaches the 2/5～4/5 of hydrothermal reaction kettle volume, the service temperature of hydrothermal reaction kettle (6) 280 DEG C～380 DEG C, working pressure 22MPa～25MPa, 30 minutes operating times.
7. the technique of micro-algae according to claim 4 and rice husk mixing continuous hydrothermal method liquefaction, it is characterized in that, subordinate's storage tank (5) bottom and hydrothermal reaction kettle (6) opening for feed are equipped with automatic valve, after helixes feed equipment starts 15s, the electronic valve of hydrothermal reaction kettle (6) opening for feed is closed, stop charging, the electronic valve of subordinate's storage tank (5) bottom is opened, filler is to helixes feed equipment, when hydrothermal reaction kettle (6) again charging time, the electronic valve of subordinate's storage tank (5) bottom is closed, prevent pressure from making a false countercharge, the electronic valve of hydrothermal reaction kettle (6) opening for feed is opened, start helixes feed equipment and it is fed to hydrothermal reaction kettle (6).
8. the technique of micro-algae according to claim 4 and rice husk mixing continuous hydrothermal method liquefaction, it is characterized in that, after being fed to hydrothermal reaction kettle (6) every time, to inflated with nitrogen in hydrothermal reaction kettle (6), it is charged to hydrothermal reaction kettle (6) pressure and reaches 3MPa～5MPa, stop inflation, heat up, determine temperature according to pressure, when hydrothermal reaction kettle (6) pressure reaches 22MPa～25MPa, stop heating.
9. the technique of micro-algae according to claim 4 and rice husk mixing continuous hydrothermal method liquefaction; it is characterized in that; electronic valve is had between higher level's storage tank (4) and subordinate's storage tank (5); material enters from stirred pot (3) and adopts nitrogen purge protection feeding in higher level's storage tank (4), electronic valve closedown between higher level's storage tank (4) and subordinate's storage tank (5) during feeding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610039187.5A CN105670677A (en) | 2016-01-21 | 2016-01-21 | Device and process for mixing micro-alga and rice husk to produce oil by aid of continuous hydrothermal method |
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| CN201610039187.5A CN105670677A (en) | 2016-01-21 | 2016-01-21 | Device and process for mixing micro-alga and rice husk to produce oil by aid of continuous hydrothermal method |
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| CN105670677A true CN105670677A (en) | 2016-06-15 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106281394A (en) * | 2016-08-04 | 2017-01-04 | 江苏大学 | A kind of method that continuous way hydrothermal liquefaction prepares bio oil |
| CN107057741A (en) * | 2017-03-14 | 2017-08-18 | 江苏大学 | A kind of marine alga-rice husk is classified the devices and methods therefor of hydrothermal liquefaction preparing bio-oil |
| CN109181781A (en) * | 2018-11-01 | 2019-01-11 | 大连海洋大学 | The method and its used equipment of synthesis gas are prepared using the biomass comprising seaweed |
| CN110713853A (en) * | 2019-10-24 | 2020-01-21 | 江苏大学 | Method for utilizing oily wastewater by combining electro-catalysis with algae |
| CN111253966A (en) * | 2020-03-19 | 2020-06-09 | 浙江昌丽家居有限公司 | Environment-friendly wood leftover material recycling and harmless treatment method |
| CN112028251A (en) * | 2020-09-03 | 2020-12-04 | 上饶师范学院 | Method for improving ammonia nitrogen removal effect of microalgae on livestock and poultry breeding wastewater |
| CN112999980A (en) * | 2021-02-22 | 2021-06-22 | 大连理工大学 | Dry-type hydrothermal device and method |
-
2016
- 2016-01-21 CN CN201610039187.5A patent/CN105670677A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| CHAO GAI等: "Co-liquefaction of microalgae and lignocellulosic biomass in subcritical", 《BIORESOURCE TECHNOLOGY》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106281394A (en) * | 2016-08-04 | 2017-01-04 | 江苏大学 | A kind of method that continuous way hydrothermal liquefaction prepares bio oil |
| CN107057741A (en) * | 2017-03-14 | 2017-08-18 | 江苏大学 | A kind of marine alga-rice husk is classified the devices and methods therefor of hydrothermal liquefaction preparing bio-oil |
| CN107057741B (en) * | 2017-03-14 | 2018-12-14 | 江苏大学 | A kind of devices and methods therefor of seaweed-rice husk classification hydrothermal liquefaction preparing bio-oil |
| CN109181781A (en) * | 2018-11-01 | 2019-01-11 | 大连海洋大学 | The method and its used equipment of synthesis gas are prepared using the biomass comprising seaweed |
| CN109181781B (en) * | 2018-11-01 | 2020-08-18 | 大连海洋大学 | Method for preparing synthesis gas by utilizing biomass containing seaweed and equipment adopted by method |
| CN110713853A (en) * | 2019-10-24 | 2020-01-21 | 江苏大学 | Method for utilizing oily wastewater by combining electro-catalysis with algae |
| CN110713853B (en) * | 2019-10-24 | 2021-09-10 | 江苏大学 | Method for utilizing oily wastewater by combining electro-catalysis with algae |
| CN111253966A (en) * | 2020-03-19 | 2020-06-09 | 浙江昌丽家居有限公司 | Environment-friendly wood leftover material recycling and harmless treatment method |
| CN112028251A (en) * | 2020-09-03 | 2020-12-04 | 上饶师范学院 | Method for improving ammonia nitrogen removal effect of microalgae on livestock and poultry breeding wastewater |
| CN112999980A (en) * | 2021-02-22 | 2021-06-22 | 大连理工大学 | Dry-type hydrothermal device and method |
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