CN106831369A - A kind of method of city organic sludge catalytic production ketone organic matter - Google Patents

A kind of method of city organic sludge catalytic production ketone organic matter Download PDF

Info

Publication number
CN106831369A
CN106831369A CN201710047679.3A CN201710047679A CN106831369A CN 106831369 A CN106831369 A CN 106831369A CN 201710047679 A CN201710047679 A CN 201710047679A CN 106831369 A CN106831369 A CN 106831369A
Authority
CN
China
Prior art keywords
feo
catalyst
organic matter
city
reactor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710047679.3A
Other languages
Chinese (zh)
Inventor
张守玉
张帆
张一帆
王才威
李�昊
江锋浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Shanghai for Science and Technology
Original Assignee
University of Shanghai for Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN201710047679.3A priority Critical patent/CN106831369A/en
Publication of CN106831369A publication Critical patent/CN106831369A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G99/00—Subject matter not provided for in other groups of this subclass

Abstract

The present invention relates to a kind of method of city organic sludge catalytic production ketone organic matter, the sludge of municipal sewage plant is taken, by hydrothermal pretreatment, ketone organic matter is produced using the method for addition catalyst.Specifically：Taking city organic sludge carries out hydrothermal pretreatment, regathers the black liquor of generation；By black liquor stored frozen；Then Zr (Y) FeO is preparedXCatalyst is simultaneously granulated, and obtains Zr (Y) FeOXThe particle of catalyst；Take Zr (Y) FeO of gainedXThe particle of catalyst and the black liquor of stored frozen are added in reactor, and being passed through nitrogen makes reactor pressurize；It is stirred again after reactor is heated, reaction a period of time；The liquid substance after reaction terminates finally is collected, ketone organic matter is obtained.

Description

A kind of method of city organic sludge catalytic production ketone organic matter
Technical field
The present invention relates to the technical field of organic sludge catalysis, and in particular to a kind of city organic sludge catalytic production ketone The method of organic matter.
Background technology
As Chinese society economy and the fast development of urbanization, urban population are skyrocketed through, the thing followed is The discharge capacity of China's municipal sewage is growing day by day.Municipal sludge as the secondary product in sewage treatment plant's sewage disposal process, As the quickening of Development of China's Urbanization is necessarily increased rapidly.The negative effect that municipal sewage and sludge are caused to environment also gradually causes Global concern.
At present, development relative maturity of the developed country such as America and Europe in municipal sludge process field.However, according to the country Relevant data analysis, the annual dewatered sludge amount of China alreadys exceed 32,000,000 tons, and at present still with annual 5%~10% speed Degree increases.Therefore, how rationally, effectively reclaim the valuable material in sludge turned into we one very urgent ask Topic.
The conventional method of China's treatment municipal sludge mainly has landfill, burning and recycling.Using the side of landfill Method treatment municipal sludge environmental pollution is serious, the moisture meeting osmosis pollution underground water in sludge, and valuable thing in sludge Matter is not reclaimed completely；Big using the method treatment municipal sludge investment burned, equipment running cost is high, and can be produced during burning The extremely toxic substances such as bioxin；Sludge such as making brick from sludge is processed using the recycling of sludge, is made because water content is higher in sludge It is higher into brickmaking energy consumption and brick quality is relatively low, toxic and harmful can be produced in sintering procedure；It is agricultural to sludge after sludge composting Quality requirement it is higher, and need to carry out high-temperature process to sludge before compost, processing cost is higher.
Above method treatment municipal sludge not only consumes substantial amounts of energy, and also results in serious environmental problems, such as air Pollution, soil pollution and global warming etc..Due to containing organic compound enrich and valuable and battalion in municipal sludge Element is supported, therefore, it is badly in need of providing a kind of method by the recovery of valuable substance in sludge at present.
The content of the invention
The present invention is carried out to solve the above problems, it is therefore intended that provide a kind of city organic sludge catalytic production The method of ketone organic matter.
The invention provides a kind of method of city organic sludge catalytic production ketone organic matter, have the feature that, Including：Step one, takes city organic sludge, and hydrothermal pretreatment is carried out at 200~400 DEG C, regathers life after hydrothermal pretreatment Into black liquor；Step 2, stored frozen at least 24 hours at the black liquor of gained in step one is placed on into -20~0 DEG C； Step 3, prepares Zr (Y)-FeOXCatalyst：By FeCl3Solution and ZrOCl2·8H2O solution is poured into and fully stirred in same container Mix, be then filtrated to get Zr (Y)-FeOXCatalyst, in Zr (Y)-FeOXIn, Y is load ZrO2Mass fraction, Y value with added Plus FeCl3Solution and ZrOCl2·8H2The amount of O solution is relevant, FeOXRepresent the oxide of iron；Step 4, by step 3 gained Zr (Y)-FeOXCatalyst uses steam treatment at 500~800 DEG C；Step 5, by Zr (the Y)-FeO obtained by step 4XUrge Agent is granulated under conditions of without any adhesive, crushed and sieves, and obtains Zr (Y)-FeOXThe particle of catalyst；Step Six, the black liquor obtained by the particle and 1~5g step 2 of Zr (the Y)-FeOX catalyst obtained by 0~1g step 5 is added anti- In answering device, and being passed through nitrogen makes the pressure of reactor reach 0~10MPa；Step 7,100~400 DEG C are heated to by reactor； Step 8, the agitating device in reactor is opened, and reacts 0~4h；Step 9, the liquid after reaction terminates is collected by filter Body material, obtains ketone organic matter.
In the method for the city organic sludge catalytic production ketone organic matter that the present invention is provided, can also have such Feature：Wherein, in step one, the temperature of hydrothermal pretreatment is 300 DEG C.
In the method for the city organic sludge catalytic production ketone organic matter that the present invention is provided, can also have such Feature：Wherein, in step 2, the temperature of stored frozen is -20 DEG C.
In the method for the city organic sludge catalytic production ketone organic matter that the present invention is provided, can also have such Feature：Wherein, in step 3, mixing time is 0.5~120min.
In the method for the city organic sludge catalytic production ketone organic matter that the present invention is provided, can also have such Feature：Wherein, in step 4, the temperature of steam treatment is 600 DEG C, and process time is 0~2h.
In the method for the city organic sludge catalytic production ketone organic matter that the present invention is provided, can also have such Feature：Wherein, in step 5, screening obtains Zr (Y)-FeOXThe grain diameter of catalyst is 300~850mm.
In the method for the city organic sludge catalytic production ketone organic matter that the present invention is provided, can also have such Feature：Wherein, in step 6, being passed through nitrogen makes the pressure of reactor reach 2MPa.
In the method for the city organic sludge catalytic production ketone organic matter that the present invention is provided, can also have such Feature：Wherein, in step 7, the heating-up temperature of reactor is 250 DEG C.
In the method for the city organic sludge catalytic production ketone organic matter that the present invention is provided, can also have such Feature：Wherein, in step 8, the reaction time is 2h.
The effect of invention and effect
The method of city organic sludge catalytic production ketone organic matter involved in the present invention, city organic sludge is passed through Hydrothermal pretreatment, then by adding granular Zr (Y)-FeOXCatalyst is reacted, so that the organic dirt in city of the invention The method of mud catalytic production ketone organic matter can obtain the ketone organic matter with high added value.The organic dirt in city of the invention The method of mud catalytic production ketone organic matter has that technological process is short, working condition simple, recycle sludge in have it is high attached The features such as value added ketone organic matter yield is high, preferably solves traditional approach pollution environment, valuable substance yield few The problems such as, it is especially suitable for industrial application.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, it is real below Example is applied to be specifically addressed the method for city organic sludge catalytic production ketone organic matter of the present invention.
The city organic sludge in municipal sewage plant is taken as the experimental raw in embodiment.
<Embodiment one>
Step one, takes city organic sludge, and hydrothermal pretreatment is carried out at 300 DEG C, is generated after regathering hydrothermal pretreatment Black liquor.
Step 2, by step one gained black liquor at -20 DEG C stored frozen 48 hours.
Step 3, takes the black liquor of stored frozen in 3.2g step 2, and measurement obtains the content of wherein ketone organic matter It is 15.13mg/mL.During 3.2g black liquors are added into reactor, and being passed through nitrogen makes the pressure of reactor reach 2MPa.
Step 4,250 DEG C are heated to by reactor.
Step 5, the agitating device in reactor is opened, and reacts 2h.
Step 6, the liquid substance after reaction terminates is collected by filter, obtains ketone organic matter, and measurement obtains it and contains Amount 15.89mg/mL.
From the foregoing, the ketone measured in the ketone content of organics measured in sample after reaction and the preceding sample of reaction has Machine thing content is compared, and increased 5%.
<Embodiment two>
Step one, takes city organic sludge, and hydrothermal pretreatment is carried out at 300 DEG C, is generated after regathering hydrothermal pretreatment Black liquor.
Step 2, by step one gained black liquor at -20 DEG C stored frozen 48 hours.
Step 3, prepares Zr (0)-FeOXCatalyst：By FeCl3Solution and ZrOCl2·8H2O solution pours into same container Middle stirring, mixing time is 0.5~120min, is then filtrated to get Zr (0)-FeOXCatalyst.
Step 4, by Zr (the 0)-FeO obtained by step 3XCatalyst uses steam treatment 1h at 600 DEG C.
Step 5, by Zr (the 0)-FeO obtained by step 4XCatalyst granulates under conditions of without any adhesive, Crush and sieve, obtain Zr (0)-FeO that particle diameter is 300~850mmXCatalyst granules.
Step 6, takes the black liquor of stored frozen in 3.2g step 2, and measurement obtains the content of wherein ketone organic matter It is 15.27mg/mL.Take the particle of Zr (the 0)-FeOX catalyst obtained by 0.2g step 5.By 3.2g black liquors and 0.2gZr (0) in the particle addition reactor of-FeOX catalyst, and being passed through nitrogen makes the pressure of reactor reach 2MPa.
Step 7,250 DEG C are heated to by reactor.
Step 8, the agitating device in reactor is opened, and reacts 2h.
Step 9, the liquid substance after reaction terminates is collected by filter, obtains ketone organic matter, and measurement obtains it and contains It is 17.28mg/mL to measure.
From the foregoing, the ketone measured in the ketone content of organics measured in sample after reaction and the preceding sample of reaction has Machine thing content is compared, and increased 15%.And compared to embodiment one, the ketone content of organics in the present embodiment substantially increases Plus.
<Embodiment three>
Step one, takes city organic sludge, and hydrothermal pretreatment is carried out at 300 DEG C, is generated after regathering hydrothermal pretreatment Black liquor.
Step 2, by step one gained black liquor at -20 DEG C stored frozen 48 hours.
Step 3, prepares Zr (7.7)-FeOXCatalyst：By FeCl3Solution and ZrOCl2·8H2O solution pours into same appearance Stirred in device, mixing time is 0.5~120min, is then filtrated to get Zr (7.7)-FeOXCatalyst.
Step 4, by Zr (the 7.7)-FeO obtained by step 3XCatalyst uses steam treatment 1h at 600 DEG C.
Step 5, by Zr (the 7.7)-FeO obtained by step 4XCatalyst is made under conditions of without any adhesive Grain, crush and sieve, obtain Zr (7.7)-FeO that particle diameter is 300~850mmXCatalyst granules.
Step 6, takes the black liquor of stored frozen in 3.2g step 2, and measurement obtains the content of wherein ketone organic matter It is 15.09mg/mL.Take Zr (the 7.7)-FeO obtained by 0.2g step 5XThe particle of catalyst.By 3.2g black liquors and The particle of 0.2gZr (7.7)-FeOX catalyst is added in reactor, and being passed through nitrogen makes the pressure of reactor reach 2MPa.
Step 7,250 DEG C are heated to by reactor.
Step 8, the agitating device in reactor is opened, and reacts 2h.
Step 9, the liquid substance after reaction terminates is collected by filter, obtains ketone organic matter, and measurement obtains it and contains It is 27.92mg/mL to measure.
From the foregoing, the ketone measured in the ketone content of organics measured in sample after reaction and the preceding sample of reaction has Machine thing content is compared, and increased 85%.And compared to embodiment one, the ketone content of organics in the present embodiment substantially increases Plus.
<Example IV>
Step one, takes city organic sludge, and hydrothermal pretreatment is carried out at 300 DEG C, is generated after regathering hydrothermal pretreatment Black liquor.
Step 2, by step one gained black liquor at -20 DEG C stored frozen 48 hours.
Step 3, prepares Zr (15.8)-FeOXCatalyst：By FeCl3Solution and ZrOCl2·8H2O solution pours into same appearance Stirred in device, mixing time is 0.5~120min, is then filtrated to get Zr (15.8)-FeOXCatalyst.
Step 4, by Zr (the 15.8)-FeO obtained by step 3XCatalyst uses steam treatment 1h at 600 DEG C.
Step 5, by Zr (the 15.8)-FeO obtained by step 4XCatalyst is made under conditions of without any adhesive Grain, crush and sieve, obtain Zr (15.8)-FeO that particle diameter is 300~850mmXCatalyst granules.
Step 6, takes the black liquor of stored frozen in 3.2g step 2, measurement obtains the content of wherein ketone organic matter It is 14.97mg/mL.Take Zr (the 15.8)-FeO obtained by 0.2g step 5XThe particle of catalyst.By 3.2g black liquors and 0.2g Zr(15.8)-FeOXThe particle of catalyst is added in reactor, and being passed through nitrogen makes the pressure of reactor reach 2MPa.
Step 7,250 DEG C are heated to by reactor.
Step 8, the agitating device in reactor is opened, and reacts 2h.
Step 9, the liquid substance after reaction terminates is collected by filter, obtains ketone organic matter, and measurement obtains it and contains Amount 21.71mg/mL.
From the foregoing, the ketone measured in the ketone content of organics measured in sample after reaction and the preceding sample of reaction has Machine thing content is compared, and increased 45%.And compared to embodiment one, the ketone content of organics in the present embodiment substantially increases Plus.
<Embodiment five>
Step one, takes city organic sludge, and hydrothermal pretreatment is carried out at 300 DEG C, is generated after regathering hydrothermal pretreatment Black liquor.
Step 2, by step one gained black liquor at -20 DEG C stored frozen 48 hours.
Step 3, prepares Zr (7.7)-FeOXCatalyst：By FeCl3Solution and ZrOCl2·8H2O solution pours into same appearance Stirred in device, mixing time is 0.5~120min, is then filtrated to get Zr (7.7)-FeOXCatalyst.
Step 4, by Zr (the 7.7)-FeO obtained by step 3XCatalyst uses steam treatment 1h at 600 DEG C.
Step 5, by Zr (the 7.7)-FeO obtained by step 4XCatalyst is made under conditions of without any adhesive Grain, crush and sieve, obtain particle diameter for Zr (7.7)-FeOXCatalyst granules.
Step 6, takes the black liquor of stored frozen in 3.2g step 2, and measurement obtains the content of wherein ketone organic matter It is 15.17mg/mL.Take Zr (the 7.7)-FeO obtained by 0.2g step 5XThe particle of catalyst.By 3.2g black liquors and 0.2g Zr(7.7)-FeOXThe particle of catalyst is added in reactor, and being passed through nitrogen makes the pressure of reactor reach 2MPa.
Step 7,350 DEG C are heated to by reactor.
Step 8, the agitating device in reactor is opened, and reacts 2h.
Step 9, the liquid substance after reaction terminates is collected by filter, obtains ketone organic matter, and measurement obtains it and contains Amount 21.69mg/mL.
From the foregoing, the ketone measured in the ketone content of organics measured in sample after reaction and the preceding sample of reaction has Machine thing content is compared, and increased 43%.And compared to embodiment one, the ketone content of organics in the present embodiment substantially increases Plus.
<Embodiment six>
Step one, takes city organic sludge, and hydrothermal pretreatment is carried out at 300 DEG C, is generated after regathering hydrothermal pretreatment Black liquor.
Step 2, by step one gained black liquor at -20 DEG C stored frozen 48 hours.
Step 3, prepares Zr (7.7)-FeOXCatalyst：By FeCl3Solution and ZrOCl2·8H2O solution pours into same appearance Stirred in device, mixing time is 0.5~120min, is then filtrated to get Zr (7.7)-FeOXCatalyst.
Step 4, by Zr (the 7.7)-FeO obtained by step 3XCatalyst uses steam treatment 1h at 600 DEG C.
Step 5, by Zr (the 7.7)-FeO obtained by step 4XCatalyst is made under conditions of without any adhesive Grain, crush and sieve, obtain Zr (7.7)-FeO that particle diameter is 300~850mmXCatalyst granules.
Step 6, takes the black liquor of stored frozen in 3.2g step 2, measurement obtains the content of wherein ketone organic matter It is 14.73mg/mL.Take Zr (the 7.7)-FeO obtained by 0.2g step 5XThe particle of catalyst.By 3.2g black liquors and 0.2g Zr(7.7)-FeOXThe particle of catalyst is added in reactor, and being passed through nitrogen makes the pressure of reactor reach 2MPa.
Step 7,250 DEG C are heated to by reactor.
Step 8, the agitating device in reactor is opened, and reacts 4h.
Step 9, the liquid substance after reaction terminates is collected by filter, obtains ketone organic matter, and measurement obtains it and contains Amount 22.98mg/mL.
From the foregoing, the ketone measured in the ketone content of organics measured in sample after reaction and the preceding sample of reaction has Machine thing content is compared, and increased 56%.And compared to embodiment one, the ketone content of organics in the present embodiment substantially increases Plus.
The effect of embodiment and effect
The method of the city organic sludge catalytic production ketone organic matter involved by above-described embodiment, by city organic sludge By hydrothermal pretreatment, then reacted by adding catalyst, it is hereby achieved that the ketone organic matter with high added value. As can be seen that embodiment two to embodiment six with the addition of granular Zr (Y)-FeO from above-described embodimentXCatalyst, compares In the embodiment one for being not added with any catalyst, the yield of its ketone organic matter is dramatically increased, and uses the ketone being collected into Organic matter is also more suitable for the practical application in production compared to directly more facilitating using the ketone organic matter in raw sewage.
The method of the city organic sludge catalytic production ketone organic matter in above-described embodiment have technological process it is short, production Condition is simple, recycle sludge in have high added value ketone organic matter yield it is high the features such as, preferably solve tradition The problems such as mode pollutes environment, valuable substance yield less, is especially suitable for industrial application.
Above-mentioned implementation method is the preferred case of the present embodiment, is not intended to limit the protection domain of the present embodiment.

Claims (9)

1. a kind of method of city organic sludge catalytic production ketone organic matter, it is characterised in that comprise the following steps：
Step one, takes city organic sludge, and hydrothermal pretreatment is carried out at 200~400 DEG C, after regathering the hydrothermal pretreatment The black liquor of generation；
Step 2, stored frozen at least 24 hours at the black liquor of gained in step one is placed on into -20~0 DEG C；
Step 3, prepares Zr (Y)-FeOXCatalyst：By FeCl3Solution and ZrOCl2·8H2O solution is poured into same container fully Stirring, is then filtrated to get the Zr (Y)-FeOXCatalyst, in Zr (Y)-FeOXIn, Y is load ZrO2Mass fraction, FeOXRepresent the oxide of iron；
Step 4, by the Zr (the Y)-FeO obtained by step 3XCatalyst uses steam treatment at 500~800 DEG C；
Step 5, by the Zr (the Y)-FeO obtained by step 4XCatalyst is granulated under conditions of without any adhesive, pressed It is broken and sieve, obtain the Zr (Y)-FeOXThe particle of catalyst；
Step 6, by the Zr (the Y)-FeO obtained by 0~1g step 5XStorage is freezed in the particle and 1~5g step 2 of catalyst The black liquor deposited is added in reactor, and being passed through nitrogen makes the pressure of the reactor reach 0~10MPa；
Step 7,100~400 DEG C are heated to by reactor；
Step 8, the agitating device in the reactor is opened, and reacts 0~4h；
Step 9, the liquid substance after reaction terminates is collected by filter, obtains ketone organic matter.
2. the method for city organic sludge catalytic production ketone organic matter according to claim 1, it is characterised in that：
Wherein, in step one, the temperature of the hydrothermal pretreatment is 300 DEG C.
3. the method for city organic sludge catalytic production ketone organic matter according to claim 1, it is characterised in that：
Wherein, in step 2, the temperature of the stored frozen is -20 DEG C.
4. the method for city organic sludge catalytic production ketone organic matter according to claim 1, it is characterised in that：
Wherein, in step 3, mixing time is 0.5~120min.
5. the method for city organic sludge catalytic production ketone organic matter according to claim 1, it is characterised in that：
Wherein, in step 4, the temperature of the steam treatment is 600 DEG C, and process time is 0~2h.
6. the method for city organic sludge catalytic production ketone organic matter according to claim 1, it is characterised in that：
Wherein, in step 5, screening obtains the Zr (Y)-FeOXThe grain diameter of catalyst is 300~850mm.
7. the method for city organic sludge catalytic production ketone organic matter according to claim 1, it is characterised in that：
Wherein, in step 6, being passed through nitrogen makes the pressure of the reactor reach 2MPa.
8. the method for city organic sludge catalytic production ketone organic matter according to claim 1, it is characterised in that：
Wherein, in step 7, the heating-up temperature of the reactor is 250 DEG C.
9. the method for city organic sludge catalytic production ketone organic matter according to claim 1, it is characterised in that：
Wherein, in step 8, the reaction time is 2h.
CN201710047679.3A 2017-01-20 2017-01-20 A kind of method of city organic sludge catalytic production ketone organic matter Pending CN106831369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710047679.3A CN106831369A (en) 2017-01-20 2017-01-20 A kind of method of city organic sludge catalytic production ketone organic matter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710047679.3A CN106831369A (en) 2017-01-20 2017-01-20 A kind of method of city organic sludge catalytic production ketone organic matter

Publications (1)

Publication Number Publication Date
CN106831369A true CN106831369A (en) 2017-06-13

Family

ID=59120549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710047679.3A Pending CN106831369A (en) 2017-01-20 2017-01-20 A kind of method of city organic sludge catalytic production ketone organic matter

Country Status (1)

Country Link
CN (1) CN106831369A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104379754A (en) * 2012-02-28 2015-02-25 特瑞克斯有限合伙公司 Treatment of biomass

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104379754A (en) * 2012-02-28 2015-02-25 特瑞克斯有限合伙公司 Treatment of biomass

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ERI FUMOTO等: "Production of ketones from sewage sludge over zirconia-supporting iron oxide catalysts in a steam atmosphere", 《APPLIED CATALYSIS B: ENVIRONMENTAL》 *

Similar Documents

Publication Publication Date Title
Xu et al. Treatment of urban sludge by hydrothermal carbonization
CN106187460B (en) A kind of humified method of sludge organic matter catalysis
JP3452439B2 (en) Recovery and recycling of useful substances from organic waste
CN102107872A (en) Process for preparing active carbon by adding husks into chemical sludge
CN101585044A (en) Food waste acidifying hydrolysis treatment method
CN101935139A (en) Method for producing mash gas from municipal sludge through dry method anaerobic fermentation
CN102249730A (en) Method for preparing haydite from sludge incineration ash in chemical industry
CN101716487A (en) Steel slag composite adsorbing agent and method for processing printing and dyeing wastewater
Ejimofor et al. Biogas production using coagulation sludge obtained from paint wastewater decontamination: Characterization and anaerobic digestion kinetics
CN112316913A (en) Water treatment adsorbent using red mud waste residues as raw materials and preparation method thereof
CN107500497A (en) The processing method and its system of black and odorous water sludge
CN101705358A (en) Method for extracting manganese in electrolytic manganese residues by biologic leaching
CN110950520A (en) Multiphase solid waste treatment method
CN207375999U (en) A kind of organic refuse treatment appts for coupling hydrothermal carbonization and biochemical reaction principle
CN115196998A (en) Method for enhancing hydrothermal humification of cellulose waste biomass
CN101723718B (en) Method for producing granular organic fertilizer with high content of humic acid by using municipal sludge
CN100457693C (en) Environmental organic nutrient soil as well as preparation technique and application thereof
CN112957927B (en) Porous ceramic oil-water separation film taking red mud waste residues as raw materials and preparation method thereof
CN107285588A (en) Urban sludge treating method based on hydrothermal carbonization
CN101773751B (en) Lightweight cathode and anode water treatment filter material and preparation method thereof
CN106831369A (en) A kind of method of city organic sludge catalytic production ketone organic matter
DE19612010C2 (en) Process and plant for the pretreatment of biogenic residues for anaerobic processing
CN109467299A (en) A method of improving methane factor of created gase in excess sludge anaerobic digestion
CN110153168A (en) A kind of renovation agent of heavy-metal contaminated soil and preparation method thereof
CN106517265A (en) Recycling utilization method of biochemical sludge

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170613

WD01 Invention patent application deemed withdrawn after publication