Disclosed are a device for strengthening anaerobic sludge digestion based on conical-coiled pipe coupling and an anaerobic sludge digestion method. The device comprises a feeder (A-3, B-3), a conical-coiled pipe coupling reactor (A-1, B-1) and a thermostat (A-4, B-4), wherein the bottom of the feeder (A-3, B-3) communicates with the top of the conical-coiled pipe coupling reactor (A-1, B-1), and the bottom of the feeder (A-3, B-3) is flush with the top of the thermostat (A-4, B-4); the conical-coiled pipe coupling reactor (A-1, B-1) is arranged in the thermostat (A-4, B-4); the whole coupling reactor (A-1, B-1) is in a regular cone shape or an inverted cone shape; and a main body of the coupling reactor (A-1, B-1) is a coiled pipe (A-2, B-2).

An MEC reactor system for strengthening anaerobic digestion is provided. The MEC reactor system includes a reactor module; multiple biological anode plates and multiple biological cathode plates which are arranged in the reactor module; and an automatic control power supply. An anode and a cathode of the automatic control power supply are respectively connected with anode area wires and cathode area wires, the anode area wires are electrically connected with the biological anode plates, and the cathode area wires are electrically connected with the biological cathode plates. The biological anode plates and the biological cathode plates are subjected to biofilm culturing and acclimation in a biological anode plate acclimation area and a biological cathode plate acclimation area respectively; and in an anaerobic digestion reaction area, anaerobic digestion is strengthened based on the biological anode plates and the biological cathode plates which complete biofilm culturing acclimation.

Water containing selenium, for example flue gas desulfurization (FGD) blowdown water is treated with a combination of biological and chemical treatment and membrane filtration. The biologically treated water is dosed with a dithiocarbamate compound and flocculated prior to membrane filtration. Optionally, the treatment may be enhanced with one or more adsorptive agents prior to, or in conjunction with, membrane filtration. Membrane concentrate may be re-circulated to one or more biological treatment zones. The biological treatment may be by way of suspended growth, fixed growth on a moving bed, or both. One or more biological treatment zones may be controlled considering their oxygen reduction potential (ORP). Optionally, the biological treatment includes an aerobic zone following one or more anoxic or anaerobic zones. The non-aerobic zones remove selenium and optionally nitrogen and sulfur. The aerobic zone removes carbon, which may include carbon added as a nutrient in a non-aerobic zone.

The disclosure relates to bioreactors, for example for biological treatment and, more specifically to bioreactor insert apparatus including biofilms and related methods. The bioreactor insert apparatus provides a means for circulation of reaction medium within the bioreactor, a biofilm support, and biological treatment of an inlet feed to die reactor/insert apparatus. The bioreactor insert apparatus has a high relative surface area for biofilm attachment and is capable of generating complex flow patterns and increasing treatment efficiency/biological conversion activity in a biologically-active reactor. The high surface area structure incorporates multiple biofilm support structures such as meshes at inlet and outlet portions of the structure. The biofilm support structures and biofilms thereon can increase overall reaction rate of the bioreactor and/or perform some solid/liquid separation in the treatment of the wastewater or other influent.

An electroactive bio-carrier module and a sewage treatment device using same are provided, which relate to the field of bioelectrochemistry and sewage treatment. The electroactive bio-carrier module is composed of an anode module and a cathode module made of a conductive material. The anode module is formed by connecting carbon fiber brushes in series and is of a vertically ring type structure; the cathode module is formed by connecting stainless steel meshes in series; the stainless steel meshes are in a folded horizontal stacked design; the anode and cathode modules are connected through an external lead wire to form a circuit. Surfaces of the anode and cathode modules can both enrich microorganisms, biofilms are formed on the surfaces. The electrode module is arranged in an up-flow type sewage treatment device and is used as an electroactive bio-carrier, to form a hybrid sewage treatment device with a built-in electroactive bio-carrier.

Transportable wastewater treatment systems and wastewater treatment methods are provided, which employ a clarification unit. to treat. highly polluted wastewater (e.g., with BODs over 400mg/l and up to 1500mg/l) with a small footprint and without elaborate infrastructure or even without grid-based energy sources. The clarification unit comprises an anaerobic digestion unit configured to receive influent and reduce an organic load thereof to yield a first stream, an aerobic anoxic air lift reactor configured to treat the first stream and further reduce the organic load thereof to yield a second stream, and an aerobic unit configured to clarify the second stream and deliver effluent., the aerobic unit. comprising a plurality of vertical sheets configured to support growth of algae on biofilm, a sprinkling system configured to sprinkle the second stream onto the vertical sheets, and an organic matter removal unit configured to collect organic mass falling off the vertical sheets.

An efficient multi-dimensional carbon source and a method for preparing the same are disclosed. The efficient multi-dimensional carbon source includes the following components by weight: 30%-50% of alcohols, 20%-30% of biomass digestive liquid, 1%-10% of carbohydrates, 0.5% of polymethyl methacrylate and balance of water. A method for preparing the efficient multi-dimensional carbon source is further disclosed.

An efficient multi-dimensional carbon source and a method for preparing the same are disclosed. The efficient multi-dimensional carbon source includes the following components by weight: 30%-50% of alcohols, 20%-30% of biomass digestive liquid, 1%-10% of carbohydrates, 0.5% of polymethyl methacrylate and balance of water. A method for preparing the efficient multi-dimensional carbon source is further disclosed.

An adsorbent composition for capturing pollutants includes a porous composition that includes a plurality of ferric oxyhydroxide particles and an additional component in the porous composition. The additional component includes one of copper chloride (CuCl.sub.2), zinc chloride (ZnCl.sub.2), polyvinylpolypyrrolidone, silicon carbide, silicon dioxide, activated carbon or other carbonaceous material, and a combination thereof.

An adsorbent composition for capturing pollutants includes a porous composition that includes a plurality of ferric oxyhydroxide particles and an additional component in the porous composition. The additional component includes one of copper chloride (CuCl.sub.2), zinc chloride (ZnCl.sub.2), polyvinylpolypyrrolidone, silicon carbide, silicon dioxide, activated carbon or other carbonaceous material, and a combination thereof.