Tongji University

Chinese Academy of Sciences

Yalei Zhang

Xuefei Zhou

Jiabin Chen

Wei Zhang

Yinchuan Yang

Xinmiao Zhang

Zheng Shen

Lei Wang

Feng Wu

Hui Liu

Beidou Xi

Yali Zhang

Yangyang Wang

Tongtong Li

Jinsheng Wang

Wenbing Tan

Wenbiao Wang

Yegang Chen

Jianfu Zhao

Xiao Ling Chen

Wei Huang

Yong Wu

Min Zhang

Ming Chang

Yue Xu

Wenjie Dong

Zhiping Kuang

Yang Zong

Jingfei Zhou

Yisun Chen

Zeyuan Tian

Yongkuan Huang

Luming Ma

Gu Chen

Zhenjiang Yu

Longlong Zhang

Wenjun Yin

Huaqiang Chu

Huichao Guo

Rongchang Wang

Hongyang Su

Chunmin Zhang

Deli Wu

Jinpeng Li

An alternating cascaded system for high-salinity wastewater treatment includes a pollutant removal system and an alternating cascaded water conveyance system embedded in the pollutant removal system. The pollutant removal system includes four partition plates, a pollutant removal zone and a discharge sump; and the alternating cascaded water conveyance system includes feed water distribution channels disposed under a feed water conveyer pipe and on an outer wall of a first pollutant removal subzone, cleaning water distribution channels disposed on an outer wall of a third pollutant removal subzone and located under a cleaning water pipe, and a purified water discharge pipe and a cleaning water discharge pipe that are located in the discharge sump and axially have a same discharge direction from top to bottom.

Alternating cascaded system for high-salinity wastewater treatment

A high salinity wastewater treatment system is provided according to the present application, which includes a hydrogel loading system and a flow-storage different-oriented-inlet-and-outlet system. The hydrogel loading system includes six separation plates, a wastewater treatment area, a water distribution bin, a rotating shaft, a driving motor and a fixed bracket. The six separation plates evenly separate the wastewater treatment area into six separate treatment sectors in an axial direction. The six separate treatment sectors are filled with hydrogel materials with water purification effect. The high salinity wastewater infiltrates into each separate treatment sector one by one through high salinity wastewater inlet meshes on a surface of the wastewater treatment area, and the purified high salinity wastewater is discharged through a wastewater cleaning outlet pipe with a same water inlet direction as a cleaning filler distribution pipe.

High salinity wastewater treatment system

A resource treatment system for urine and feces separation and recovery in urine diversion dehydration toilets, includes a urine-faeces division toilet, a urine and gray water treatment system, and a fermentation and biodegradation fecal system. The urine-faeces division toilet is configured to separate and recover urine and feces discharged by users. The urine and gray water treatment system includes an adjusting pool, a microalgae culture device and a metal-based electrogenerated dynamic membrane. The adjusting pool is configured to receive the urine in the urine-faeces division toilet and domestic sewage, and adjust a urine-to-domestic sewage ratio. The metal-based electrogenerated dynamic membrane includes a metal microfiltration membrane, a stainless-steel mesh and a power supply. The fermentation and biodegradation fecal system includes a collection and adjusting device, a fermentation bed and a biodegradation chamber.

Resource treatment system for urine and feces separation and recovery in urine diversion dehydration toilets

A movably-connected and continuously-connected apparatus for uninterrupted high-salinity wastewater purification includes a high-salinity wastewater adsorption treatment system and a movably-connected drainage system embedded in the treatment system. The high-salinity wastewater adsorption treatment system includes four purification zone partition plates, a hollow cylindrical purification zone, a cylindrical water distribution sump located in an axial center of the purification zone, a rotating shaft, a motor, a fixed support and a water tank; the four purification zone partition plates include a first partition plate forming an angle of 135&#xb0; with a horizontal direction from left to right, a second partition plate forming an angle of 45&#xb0; with the horizontal direction from left to right, a third partition plate forming an angle of 135&#xb0; with a vertical direction from bottom to top and a fourth partition plate forming an angle of 135&#xb0; with the vertical direction from bottom to top.

Movably-connected and continuously-connected apparatus for uninterrupted high-salinity wastewater purification

Disclosed a device for preventing and controlling pollutants in the reuse of reclaimed water in agricultural activity areas with extreme water shortage, including A/O tank (), nano-aeration tank () and quick soil infiltration device () connected in sequence. A/O tank () is fed with wastewater to be treated, which is treated sequentially in anaerobic, anoxic and aerobic environment, thereafter the supernatant is transported into nano-aeration tank (). The supernatant treated by nano-aeration tank () is transported into quick soil infiltration device (), and is allowed to flow through one or more layers of fillers laid in quick soil infiltration device () to degrade or remove pollutants.

Method and device for preventing and controlling pollutants in the reuse of reclaimed water in agricultural activity areas with extreme water shortage

It discloses to a device and a method for controlling pollutants in metal mine water resources cycling utilization. The device includes a multi-stage inflow constructed wetland (), in which one or more layers of the filler are laid, and water distribution pipes () are buried at different height levels in the filler layers for multi-stage inflow, so that the received basin water is allowed to flow through each layer of the filler to degrade or remove the pollutants. In the multi-stage inflow constructed wetland, the types of fillers, dosage ratio, particle size and filling height of fillers in each layer are specifically selected. Therefore, heavy metal adsorption, suspended matter filtration, organic matter degradation, dephosphorization and denitrification can be effectively realized in the multi-stage inflow constructed wetland.

Method and device for controlling pollutants in metal mine water resources cycling utilization

The present invention relates to a method for simultaneous removal of heavy metals and organic matters from wastewater, including four steps: anoxic reaction, incubation reaction, aerobic reaction and sedimentation reaction, to solve tricky problems and shortcomings of current treatment technologies for industrial wastewater containing both heavy metals and organic substances. Compared with current technologies, in the present invention, by regulating and controlling heavy metal ions in wastewater, catalysts with function of activating molecular oxygen are in-situ generated, catalyzing dioxygen to produce strong oxidative species, thereby realizing catalytic oxidation of organic pollutants and crystallization and precipitation removal of heavy metals, which creatively treats waste using waste to achieve green oxidation, shortened treatment process, improvement of treating efficiency, reduction of economic cost and promotion of technology for industrial application.

Method for simultaneous removal of heavy metals and organic matters from wastewater

A method for treating wastewater containing fluoroquinolone antibiotics by activating peroxyacetic acid heterogeneously with lanthanum ruthenate perovskite (LaRuO) catalyst. The method includes: adding peroxyacetic acid to wastewater containing ciprofloxacin, mixing to obtain a peroxyacetic acid solution, adjusting a pH of the peroxyacetic acid solution; and adding lanthanum ruthenate perovskite to the peroxyacetic acid solution to obtain a mixed solution, and stirring the mixed solution in a constant temperature shaker, and removing the ciprofloxacin at a normal temperature.

Method for degrading fluoroquinolone antibiotics by activating peroxyacetic acid with lanthanum ruthenate perovskite

A wastewater disposal method using a two-way oxygen supply horizontal-flow biofilm includes a carrier that is formed of a permeable material so that oxygen is supplied to the biofilm from the bottom layer of the biofilm adjacent to the surface of the carrier, so as to achieve a mode of simultaneously supplying oxygen from the surface layer and the bottom layer of the biofilm. Wastewater disposal equipment using a two-way oxygen supply horizontal-flow biofilm includes a water intake system, a reaction system and a water discharge system.

Wastewater treatment method and equipment using a dual-diffusion oxygen supply horizontal-flow biofilm

A method of transforming biomass into lactic acid using modified beta zeolites is disclosed. The one-step preparation process of preparing catalyst in the invention is mild, economical and convenient. The biomass used as precursor is economic and easy to get. Meanwhile, the reaction process doesn't need to be protected by noble gases with high pressure. The catalyst can be reused and the yield of lactic acid is high.

Method of transforming biomass into lactic acid with modified beta zeolites

An airlift circulation micro-algae photoautotrophic-heterotrophic coupling photobioreactor for wastewater treatment carbon emission mitigation includes feeding pipe, micro-algae heterotrophic zone, gas-liquid separation chamber, micro-algae phototrophic zone, bottom backflow zone, discharge pipe, and the liquid drained zone.

Photobioreactor for carbon dioxide mitigation in wastewater treatment

A process for producing formic acid by hydrothermal oxidation reaction with glycerol and their equipment, wherein glycerol and oxidant are subjected to a hydrothermal oxidation reaction, air, oxygen or HOas oxidant, at a temperature in the range of 150 to 450&#xb0; C. and under pressure equal to or more than the saturated vapor pressure at the temperature. The glycerol produced from plant fats, animal fats or the like or pure product synthesized chemically or a discharge containing glycerol generated at the production of diesel fuel oil from fats, in which the fats are subjected to a transesterification with alcohol in the presence of an alkali catalyst in order to obtain fatty acid ester is preferably used as a starting material.

Process for producing formic acid by hydrothermal oxidation reaction with glycerol and their equipment

In a kind of modular integrated water purifying device, including reaction tank, sedimentation tank and filter pool, a pump is connected to the top side of the reaction tank through pipes and valves. There are variable grid hole mixing paddles in the reaction tank, forced outlet pipe at the bottom of sedimentation tank and the same-flow ramp board in the middle. The sedimentation water collector is set up below the board, with the purified water outlet tube connected. The traveling sludge sucker sits on the top of filter tank and move back and forth. Blanket-shape filters is vertically fixed in the filteration tank, the mud-suction pump below to the raveling mud-suction machine connects to the mud-suction pipe another side to the blanket-like wedge filters. At the bottom of the filteration tanker lie the water-collecting main pipe and clean water outlet, the effluent weir is fixed inside of the filteration tank.

Modular integrated water-purifying device

Wastewater treatment bioreactor, an aeration zone and a settle zone are provided, the aeration device is located above the aeration zone, and a barrier and a gap are arranged between the aeration zone and the settle zone.

Wastewater treatment bioreactor

Growing community of inventors

Shanghai, China

Yalei Zhang