Method for preparing methyl hydride and hydrogen gas with mineralized garbage, leachate, kitchen garbage and sewage sludge

The invention relates to a method for producing methane and hydrogen by aged refuse, leachate, kitchen wastes and mud, comprising the following steps that: the kitchen wastes are crushed, the mud passes through a sieve with 1.25mm, the water contents of the mud and the kitchen wastes are adjusted to 90 weight percent; then the mud, the kitchen wastes and the leachate are taken according to the ratio of (10-90 percent) to (5-45 percent) to (5-45 percent), the aged refuse accounting for 5 percent of the total weight of the mud, the kitchen wastes and the leachate are added, and the C/N is between 7.0 and 7.5, the pH is between 5.8 and 6.2; the materials are pumped into an anaerobic fermentation tank, nitrogen passes through to expel oxygen in the tank, the reaction is carried out for 15 days at a temperature of between 20 and 55 DEG C, and gas mixture of CH4 and H2, with H2 concentration between 4 and 10 volume percent and CH4 concentration between 55 and 57 volume percent, is produced. The ...

Method for using chloromethane to inhibit methane discharging of consumer waste filling field

A method for restraining the methane discharge at a living garbage landfill field by using methyl chloride relates to a method which can stop the generation of the methane gas in the process of the anaerobic digestion of living garbage. Firstly, the methyl chloride of technical grade sold in the market is used as a depressor for the methane generating flora of the living garbage; then, each ton of living garbage is added with 5 to 25g of the methyl chloride and the water containing rate of the living garbage is 50 to 80 percent; then the methyl chloride is uniformly sprayed in the living garbage during the normal operation of the landfill field; finally, a measurement on the volatilization acid of the percolate of the living garbage is carried out; simultaneously the gas is collected by using a method of discharging the saturated salt water; a gas chromatography is used for detecting each component and content in the gas; the total capacity of the volatilization acid is 0.94 to 1.18g/kg ...

Wood-plastic material and its preparation method

A wood-plastic material and its manufacturing method relates to the preparation from waste plastics of mineralization garbage, and further its manufacturing method. The quality percentage composition of this material is waste plastic: wood powder: waste chemical fiber: silane coupling agent: 2-6 di-Butylated Hydroxytoluene: stearic acid: paraffin = (25%~45%): (50%~55.5%): (4%~15%): (0.2%~1.0%): (0.5%~2.0%): (0.3%~0.5%): (0~1.0 %). It firstly breaks, washes and dries the waste plastics, chemical fibers and wood flour, then mixes them for granulation, extrudes for molding. The material has goodresistance of corrosion and weather, and its performance and characteristics are close to the wood.

Vertical bag and bottle breating machine with fixing and moving knife set

Method for using chloromethane to inhibit methane discharging of consumer waste filling field

A method for restraining the methane discharge at a living garbage landfill field by using methyl chloride relates to a method which can stop the generation of the methane gas in the process of the anaerobic digestion of living garbage. Firstly, the methyl chloride of technical grade sold in the market is used as a depressor for the methane generating flora of the living garbage; then, each ton of living garbage is added with 5 to 25g of the methyl chloride and the water containing rate of the living garbage is 50 to 80 percent; then the methyl chloride is uniformly sprayed in the living garbage during the normal operation of the landfill field; finally, a measurement on the volatilization acid of the percolate of the living garbage is carried out; simultaneously the gas is collected by using a method of discharging the saturated salt water; a gas chromatography is used for detecting each component and content in the gas; the total capacity of the volatilization acid is 0.94 to 1.18g/kg ...

Methane oxidation covering material for life refuse landfill

Method for improving hydrogen gas yield of kitchen waste anaerobic digestion

The invention relates to a method for increasing the hydrogen output through anaerobically digesting restaurant garbage and relates to a method for producing the hydrogen output through anaerobically digesting the restaurant garbage, which comprises following steps: firstly, weighing according to granular sludge: the restaurant garbage=1:0.2-0.4 part dry weight, adding the granular sludge and therestaurant garbage into a bottle, filling nitrogen or argon, sealing, statically culturing under the temperature of 4-20DEG C, finishing domestication when the pH value is lowered to 4.5-5.5, preserving, then, weighing according to the restaurant garbage: the granular sludge which is domesticated well=1 part dry weight:0.59-0.294part dry weight, then, arranging the restaurant garbage and the granular sludge into a container, evenly mixing, filling the nitrogen or the argon, then, sealing, concussing and stirring under the temperature of 40-50DEG C and the speed of 100-130r/min, starting anaerobic ...

Spiral flow-pulling tumbling-box anaerobic reactor

Sustained/controlled release microsphere of biological extract Genipin cross-linked chitosan coated stilbene compound and preparation method thereof

The invention discloses a sustained/controlled release microsphere of a chitosan coated stilbene compound using a biological extract Genipin as a cross-linking agent and a preparation method thereof. In the microsphere, a cross-linked condensation compound layer of the chitosan and the Genipin serves as a capsule shell and is used for coating a medicament 3,5-dihydroxyl-4-isopropyl stilbene, resveratrol, pterostilbene, oxidized resveratrol or piceatannol; the medicament stability of the product is improved; the sustained/controlled release of the medicament is realized; and the released Genipin after in vivo metabolism of the capsule shell has the characteristics of biocompatibility, no cytotoxicity and the like. The invention is applicable to the sustained/controlled release microspheresof Genipin cross-linked chitosan coated 3,5-dihydroxyl-4-isopropyl stilbene, resveratrol, pterostilbene, oxidized resveratrol, piceatannol and other stilbene compounds and a preparation method thereof.

Additives for eliminating activity of methane bacteria used in house refuse buried field

Method for improving hydrogen gas yield of kitchen waste anaerobic digestion

The invention relates to a method for increasing the hydrogen output through anaerobically digesting restaurant garbage and relates to a method for producing the hydrogen output through anaerobically digesting the restaurant garbage, which comprises following steps: firstly, weighing according to granular sludge: the restaurant garbage=1:0.2-0.4 part dry weight, adding the granular sludge and the restaurant garbage into a bottle, filling nitrogen or argon, sealing, statically culturing under the temperature of 4-20DEG C, finishing domestication when the pH value is lowered to 4.5-5.5, preserving, then, weighing according to the restaurant garbage: the granular sludge which is domesticated well=1 part dry weight:0.59-0.294part dry weight, then, arranging the restaurant garbage and the granular sludge into a container, evenly mixing, filling the nitrogen or the argon, then, sealing, concussing and stirring under the temperature of 40-50DEG C and the speed of 100-130r/min, starting anaerobic ...

Method for treating leachate in domestic refuses landfill site by tower type aged-refuse bioreactor

A tower biological reaction bed with mineralized garbage for treating the leakage liquid in domestic refuse landfill site, relating to a cleaning treating process for the leakage liquid in domestic refuse landfill site, comprising: constructing the biological multistage reaction bed with mineralizing garbage(3): cascading several reaction bed vertically or horizontally, or combining them crossly,with mineralized garbage(4) and ventilating pipe (5) equipped in every reaction bed, and the bed surface is equipped with hydraulic pipeline, then treating the current leakage liquid anaerobiclly to remove part of organic load, spraying it to the first-stage reaction bed surface intermittently, the leakage liquid leaking out through the bottom broken stone hardcore after adsorbed by mineralized garbage and biologically degraded, reaerating in the falling course and entering into the second reaction bed for further treatment, and the clearance of main pollutant reaching to 90-99%. The inventionis ...

Method for stabilizing fly ash of municipal solid waste incinerator by using artificial sea water

The invention provides a method for stabilizing fly ash of a municipal solid waste incinerator by using artificial sea water, and relates to a process for stabilizing heavy metals in the fly ash of the municipal solid waste incinerator. The method comprises the following steps of: weighing the fly ash and sea salt in a mass ratio of 1:0.01-0.5; weighing distilled water and the sea salt in the mass ratio of 30 to 1; dissolving the sea salt into the distilled water to make the artificial sea water; adding the fly ash into the artificial sea water; stirring for 10 to 30min to generate heavy mortar mixture; drying and maintaining the heavy mortar mixture for 2 to 3 days under a natural ventilating condition, and detecting that immersion of the heavy metals in the mixture meets the safe landfill requirement of 'Identification Standards for Hazardous Wastes-Identification for Extraction Toxicity' (GB5085.3-2007). The invention has the advantages of readily available raw materials and low cost ...

Combined hydrogen production method for combining mineralize refuse, swill waste and sludge

Method of deeply purifying consumer waste infiltration liquid difficult degradation tail water by cement-based composite material

The invention discloses a deep purifying method of difficult decomposing tail gas of living rubbish percolation liquid through cement based composite material, which comprises the following steps: blending silicate cement and analytical pure CaCO3 powder with weight rate at 2-3: 1; loading the mass into PVC column with pore on the bottom; sprinkling tail water of percolation liquid on the reactinglayer intervally; controlling the percolation water load at 0.6-0.8mL.g<-1>.d<-1>; flowing tail water from the pore on the bottom of column after percolating the reacting layer; making the yielding water reach GB16889-1997 two-grade discharge standard within 20 d; regenerating reacting material for many times through sintering under 900 deg.c for 1h.

Filling method for reducing discharge of methane using wind force intensified ventilation

A landfill method for strengthening ventilation and reducing the drainage of methane by taking advantage of wind power relates to a quasi-aerobic garbage landfill process. The landfill method is characterized in that a wind housing (1) is mounted at the tail end of a percolating liquid collecting main pipe (4), wherein, the ratio of an inlet diameter and an outlet diameter equal of the wind housing (1) ranges from to 8:1 to 4:1; a wind cap (2) is mounted at the top end of a vertical air duct (3) and rotates under double drive of external natural wind and difference between internal temperature and external temperature of a landfill body, so as to generate negative pressure and centrifugal force, continuously draw out landfill air in the air duct (3), drive the wind cap (2) at the tail endof the percolating liquid collecting main pipe (4) to continuously suck outside air into a garbage body, thereby forming a sustaining and efficient ventilating system, promoting aerobic decompositionand ...

Method for strengthening methane oxidation of covering layer of landfill site

The invention provides a method for strengthening methane oxidation of a covering layer of a landfill site and relates to a method capable of enriching methanotroph microbe inside mineralized garbage. The method comprises the following steps of: weighting sugar in proportion of adding 0.5 to 3kg of sugar into 1 ton of the mineralized garbage; adding 1 to 3 mass parts of sugar into 100 mass parts of water, stirring the mixture to prepare sugar solution, and adding the sugar solution into the mineralized garbage; uniformly mixing the mixture, and acclimating the mixture for 7 to 10 days to obtain a covering layer material; and finally, uniformly spreading the covering layer material on the surface of the domestic garbage through the conventional covering process according to 40 to 60cm of thickness of a final covering layer after a domestic garbage landfill unit finishes operation. The methane oxidation efficiency is improved to 810g/(m2.d) through detection. The method realizes treating ...

Method for strengthening methane oxidation of covering layer of landfill site

The invention provides a method for strengthening methane oxidation of a covering layer of a landfill site and relates to a method capable of enriching methanotroph microbe inside mineralized garbage. The method comprises the following steps of: weighting sugar in proportion of adding 0.5 to 3kg of sugar into 1 ton of the mineralized garbage; adding 1 to 3 mass parts of sugar into 100 mass parts of water, stirring the mixture to prepare sugar solution, and adding the sugar solution into the mineralized garbage; uniformly mixing the mixture, and acclimating the mixture for 7 to 10 days to obtain a covering layer material; and finally, uniformly spreading the covering layer material on the surface of the domestic garbage through the conventional covering process according to 40 to 60cm of thickness of a final covering layer after a domestic garbage landfill unit finishes operation. The methane oxidation efficiency is improved to 810g/(m2.d) through detection. The method realizes treating ...

Composite type water treating agent based mineralizing garbage and preparation process thereof

Method for preparing methyl hydride and hydrogen gas with mineralized garbage, leachate, kitchen garbage and sewage sludge

The invention relates to a method for producing methane and hydrogen by aged refuse, leachate, kitchen wastes and mud, comprising the following steps that: the kitchen wastes are crushed, the mud passes through a sieve with 1.25mm, the water contents of the mud and the kitchen wastes are adjusted to 90 weight percent; then the mud, the kitchen wastes and the leachate are taken according to the ratio of (10-90 percent) to (5-45 percent) to (5-45 percent), the aged refuse accounting for 5 percent of the total weight of the mud, the kitchen wastes and the leachate are added, and the C/N is between 7.0 and 7.5, the pH is between 5.8 and 6.2; the materials are pumped into an anaerobic fermentation tank, nitrogen passes through to expel oxygen in the tank, the reaction is carried out for 15 days at a temperature of between 20 and 55 DEG C, and gas mixture of CH4 and H2, with H2 concentration between 4 and 10 volume percent and CH4 concentration between 55 and 57 volume percent, is produced. The ...

Spiral flow-pulling tumbling-box anaerobic reactor

Filling method for reducing discharge of methane using wind force intensified ventilation

A landfill method for strengthening ventilation and reducing the drainage of methane by taking advantage of wind power relates to a quasi-aerobic garbage landfill process. The landfill method is characterized in that a wind housing (1) is mounted at the tail end of a percolating liquid collecting main pipe (4), wherein, the ratio of an inlet diameter and an outlet diameter equal of the wind housing (1) ranges from to 8:1 to 4:1; a wind cap (2) is mounted at the top end of a vertical air duct (3) and rotates under double drive of external natural wind and difference between internal temperature and external temperature of a landfill body, so as to generate negative pressure and centrifugal force, continuously draw out landfill air in the air duct (3), drive the wind cap (2) at the tail end of the percolating liquid collecting main pipe (4) to continuously suck outside air into a garbage body, thereby forming a sustaining and efficient ventilating system, promoting aerobic decomposition and ...

Method for processing old refuse filter liquor by employing mineralizing sludge

Method for processing old refuse filter liquor by employing mineralizing sludge

The process of treating old garbage percolate with mineralized sludge relates to the utilization of mineralized sludge source and the treatment of garbage percolate. The process includes mixing mineralized sludge and fly ash in the weight ratio of 10 to 1-3 to form stuffing, treating garbage percolate through anaerobic treatment, facultative anaerobic treatment and anaerobic treatment, and spraying the treated garbage percolate to the stuffing. The treated garbage percolate can reach the second grade exhaustion standard. The present invention has simple technological process, low cost, no secondary pollution and other advantages, and provides one effective way for treating waste with waste.