Domestic refuse resource treatment technology and apparatus therefor

The invention provides a domestic garbage resource utilization treatment technology which comprises the steps as follows: the garbage after removing residues is processed for anaerobic landfill treatment for degradation, and produced filtrate is collected; the filtrate is led into sludge for complete catalysis, then firedamp is collected, and the filtrate after reaction is filled back into the landfill garbage; after three to five months landfill treatment for degradation of the garbage, the bottom of the garbage is aerated for the aerobic compost treatment; the garbage which is completely mature after the aerobic compost treatment is crushed and dried to be made into fertilizer. The invention also provides a garbage treatment device. The disposing technology provided by the invention aerates the garbage at the later period of the garbage landfill, which accelerates the maturity and stabilization of the garbage; the cost is low; the speed is fast.

Resource-saving type chitin clean production technology

The invention discloses a resource-saving clean production technique for chitin. The chitin can be obtained from shells of arthropod animals after acid leaching, three-time acid cleaning, alkali cooking and four-time alkali cleaning. The acid leached and alkali cooked spent acid alkali liquor are processed through storage, sedimentation and supernatant fluid can be reused, the first cleaning acid wastewater is timely stored and pumped into the second cleaning alkali for neutralization cleaning, the second cleaning acid adopts the first cleaning alkali wastewater for neutralization cleaning, the acid cleaning wastewater and the alkali cleaning wastewater are entered into the wastewater treatment unit for physico-chemical and biological treatment, after multiple supernatant fluid reuses, the spent acid liquid sediments and the spent alkali sediments are disposed as solid wastes through neutralization evaporation concentration. The resource-saving clean production technique for chitin has ...

Technique for treating chitin waste water

The invention discloses a chitin wastewater treating technique. Firstly parting of acid and alkaline cleaning wastewater is stored, integrated wastewater pH is adjusted via flow-control, then neutralization settlement, flocculation settlement, pre-aeration adjustment, A/O biochemical degradation and secondary precipitation for proteins are finished sequentially, and finally the wastewater reaches the standard and is discharged. The invention precipitates proteins in the wastewater in the maximal degree before biochemical treatment of the integrated wastewater by using the electric point precipitation character of proteins and the like, thereby avoiding to increasing of waste water disposal load caused by proteolysis, lowering difficulty of the waste water disposal, ensuring feasibility of biochemical system, simultaneously recycling reasonably proteins, resolving prominent problems of chitin wastewater pollution with the characters of superacid alkali and high salt and high protein, achieving ...

Harmless treatment device of solid dangerous waste

The invention discloses a solid hazardous waste decontaminating treatment device, comprising a Fenton oxidation detoxication reaction device, a stabilization/solidification device and tail gas absorption devices, the Fenton oxidation detoxication reaction device is connected with an agitation conveying device, a pipeline of which is respectively connected with a feed hopper, an H2O2 dosing deviceand a ferrite dosing device; the Fenton oxidation detoxication reaction device is connected with the stabilization/solidification device via a conveying belt above which a stabilization/solidification medicine dosing device is arranged; both the Fenton oxidation detoxication reaction device and the stabilization/solidification device are provided with the tail gas absorption devices. The inventive device can oxide and fix the pollutants of the solid hazardous wastes to reduce hazard of contaminating the environment, and meanwhile, avoids secondary contamination resulted from waste gas. The Fenton ...

Technique for treating chitin waste water

The invention discloses a chitin wastewater treating technique. Firstly parting of acid and alkaline cleaning wastewater is stored, integrated wastewater pH is adjusted via flow-control, then neutralization settlement, flocculation settlement, pre-aeration adjustment, A/O biochemical degradation and secondary precipitation for proteins are finished sequentially, and finally the wastewater reachesthe standard and is discharged. The invention precipitates proteins in the wastewater in the maximal degree before biochemical treatment of the integrated wastewater by using the electric point precipitation character of proteins and the like, thereby avoiding to increasing of waste water disposal load caused by proteolysis, lowering difficulty of the waste water disposal, ensuring feasibility ofbiochemical system, simultaneously recycling reasonably proteins, resolving prominent problems of chitin wastewater pollution with the characters of superacid alkali and high salt and high protein, achieving ...

Technology for methanation processing consumer waste step by step and bioreactor

The invention discloses a fractional methanation treatment technique of consumer waste, which comprises the following steps: equipping with two series anaerobic reactor; producing the acid by hydrolyzing organic material in the consumer waste in the first anaerobic reactor; regarding the product as the charging material of the second anaerobic reactor by straining liquid; converting into methane; recharging the discharging water in the burial ground. The invention also provides a bioreactor based on the treatment technique. The invention increases a methane-producing reactor for treating the straining liquid before returning the tank at the inlet and outlet circulation pipes in the sanitary burial ground in order to separate the organic substance from acid-producing phase and methane-producing phase and acquire the physical separation and the co-metabolic reaction of two floras, which accelerates high-speed stabilization process of the consumer waste, while the methane-producing reactor ...

Harmless treatment technique of solid dangerous waste

The invention discloses a solid hazardous waste decontaminating treatment technology, toxic organic matters in wastes are oxidized and degraded by a solid phase system Fenton, in the meantime, toxic inorganic matters like As(III) in the wastes can be converted into As(V) to further reduce toxicity of arsenic; then cement is added for solidification, at least one of saline medicines such as ferric salts, magnesium salts, aluminum salts, calcium salt and the like can be added for stabilization before the solidification, and the toxic inorganic matters in the wastes are fixed. The invention has excellent technological treatment effect, simple technology, easy operation and economical and easily-available used medicines, in addition, by means of reasonable arrangement, the generation of secondary contamination can be avoided in the process of the treatment.

Compound disinfectant for circulating water systems

The invention discloses a compound disinfectant for circulating water systems, comprising benzyltribenzyl phosphonium chloride, dithiocyano-methane and copper sulfate. When the compound disinfectant is used, if certain amount of penetrant is added, the synergistic effect among drugs can be brought into full play, and not only the antibacterial activity can be effectively improved but also microorganisms can be avoided from generating resistance to drugs due to long-term use of single variety of disinfectants. The compound disinfectant of the invention has good disinfection and algae elimination effects and low use cost, simultaneously solves the problem of resistance of bacteria to common disinfectants and is suitable for circulating cooling water systems, reclaimed water circulating systems, clean drainage recycling systems or other circulating water systems.

Domestic garbage landfilling and processing technique with in-situ denitrogenation function and bioreactor

This invention discloses a technique for garbage buried treatment with denitrification in site. In a nitration reactor, there are: an upper layer-aeration zone having aerator, a medium layer-facultative zone and the bottom layer-anaerobic zone. In the aeration zone, ammonia is oxidized into NO3-by the autotrophic nitrifier; in the facultative zone, NO3-is reduced into N2 by denitrifying bacteria by using organic substances as electron donor, and the N2 is released into the air to achieve the transformation from NH4 to N2 and its removal. In the anaerobic zone, the organic matter is degraded into methane. This invention provides a biological reactor by using above-mentioned technique. In this invention, the three (buried main body, produced gas and liquid) is considered into an integral one, so having advantages of: low cost, high efficiency.

Harmless treatment technique of solid dangerous waste

The invention discloses a solid hazardous waste decontaminating treatment technology, toxic organic matters in wastes are oxidized and degraded by a solid phase system Fenton, in the meantime, toxic inorganic matters like As(III) in the wastes can be converted into As(V) to further reduce toxicity of arsenic; then cement is added for solidification, at least one of saline medicines such as ferricsalts, magnesium salts, aluminum salts, calcium salt and the like can be added for stabilization before the solidification, and the toxic inorganic matters in the wastes are fixed. The invention has excellent technological treatment effect, simple technology, easy operation and economical and easily-available used medicines, in addition, by means of reasonable arrangement, the generation of secondary contamination can be avoided in the process of the treatment.

Biological treatment device for civil engineering wastewater

The invention relates to the technical field of civil engineering wastewater treatment, in particular to a civil engineering wastewater biological treatment device which comprises a base, a U-shaped seat fixedly mounted at the upper end of the base, a treatment barrel fixedly mounted at the upper end of the U-shaped seat, a precipitation barrel arranged on one side of the U-shaped seat, a water outlet formed in the side wall of the precipitation barrel, and a sealing plug arranged in the water outlet. A water pump is arranged between the treatment cylinder and the precipitation cylinder, the water pump is fixedly connected with the U-shaped seat, two ends of the water pump are respectively connected with a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe are respectively communicated with the precipitation cylinder and the treatment cylinder, and clamping grooves are symmetrically formed in the upper end part of the treatment cylinder ...

Domestic garbage stuffing and processing technique with in-situ denitrogenation function and bioreactor

This invention discloses a technique for garbage buried treatment with denitrification in site. In a nitration reactor, there are: an upper layer-aeration zone having aerator, a medium layer-facultative zone and the bottom layer-anaerobic zone. In the aeration zone, ammonia is oxidized into NO3-by the autotrophic nitrifier; in the facultative zone, NO3-is reduced into N2 by denitrifying bacteria by using organic substances as electron donor, and the N2 is released into the air to achieve the transformation from NH4 to N2 and its removal. In the anaerobic zone, the organic matter is degraded into methane. This invention provides a biological reactor by using above-mentioned technique. In this invention, the three (buried main body, produced gas and liquid) is considered into an integral one, so having advantages of: low cost, high efficiency.

Resource-saving type chitin clean production method

Domestic refuse resource treatment technology and apparatus therefor

Civil engineering sewage centralized treatment composite device

The invention discloses a civil engineering sewage centralized treatment composite device, and relates to the technical field of sewage treatment.The civil engineering sewage centralized treatment composite device comprises a treatment box and a bottom plate, at least two supporting frames are fixedly installed at the lower end of the treatment box, and each supporting frame is fixedly installed at the upper end of the bottom plate; a filtering mechanism for conveniently filtering sewage is arranged on the treatment box; a stirring mechanism for conveniently treating sewage is arranged on the treatment box, the filtering mechanism comprises a collecting tank, a filtering net and a cleaning brush, an L-shaped supporting plate is fixedly mounted at the side end part of the treatment box, and a vertical rod is fixedly mounted at the lower end part of the L-shaped supporting plate. According to the sewage treatment device disclosed by the invention, the stirring rod is matched with the plurality ...

Harmless treatment device of solid dangerous waste

The invention discloses a solid hazardous waste decontaminating treatment device, comprising a Fenton oxidation detoxication reaction device, a stabilization/solidification device and tail gas absorption devices, the Fenton oxidation detoxication reaction device is connected with an agitation conveying device, a pipeline of which is respectively connected with a feed hopper, an H2O2 dosing device and a ferrite dosing device; the Fenton oxidation detoxication reaction device is connected with the stabilization/solidification device via a conveying belt above which a stabilization/solidification medicine dosing device is arranged; both the Fenton oxidation detoxication reaction device and the stabilization/solidification device are provided with the tail gas absorption devices. The inventive device can oxide and fix the pollutants of the solid hazardous wastes to reduce hazard of contaminating the environment, and meanwhile, avoids secondary contamination resulted from waste gas. The Fenton ...