2results about How to "Reduce nutrients" patented technology

This utility model discloses an integrated machine for laying double-layer plastic film and drip irrigation tape, comprising: a frame; a drip irrigation tape placement shaft mounted on the frame, with two drip irrigation tape rolls sleeved on the placement shaft; a white plastic film placement shaft mounted on the frame, with a white plastic film roll sleeved on the white plastic film placement shaft; a black plastic film placement shaft mounted on the frame, with a black plastic film roll sleeved on the black plastic film placement shaft; and a film pressing shaft assembly mounted on the frame. This integrated machine can lay black and white plastic film and drip irrigation tape completely in one operation, which not only improves agricultural efficiency, but also allows the black plastic film to inhibit weed growth, the laid white plastic film to lower the soil surface temperature and prevent seeds from being burned by high temperatures, while also helping to maintain soil moisture and promote seed germination. The laid drip irrigation tape achieves water conservation and eliminates the need for manual watering.

The application provides an environment-friendly conventional cooling tower biological slime control method, and relates to a metal-organic composite material microbial electric coupling porous membrane structure. The structure comprises an activated carbon fiber felt anode and an air cathode, wherein the air cathode comprises porous PTFE as a diffusion layer, MnCo / NC nitrogen-doped bimetallic-based carbon composite organic material as a cathode catalyst layer, and porous carbon material as a base electrode. The anode and the air cathode are fixed as an integrated metal-organic composite material microbial electric coupling porous membrane structure by using a woven metal fiber mesh structure. The metal-organic composite material microbial electric coupling porous membrane structure is placed on the water surface of a conventional cooling tower bottom collecting pool, filters large-particle pollutants, adsorbs microorganisms in water, and inhibits the growth of algae in water. Through the removal of large-particle biological slime flocs, organic and inorganic pollutants and microorganisms in circulating cooling water, the application realizes the control of biological slime in a circulating cooling water pipe network.