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60results about How to "High degree of recovery" patented technology

Acetone pollution sludge treatment agent and preparation method thereof

The invention discloses an acetone pollution sludge treatment agent and a preparation method thereof. The acetone pollution sludge treatment agent comprises the following main raw materials in parts by weight: 28 to 32 parts of nanometer modified sludge, 18 to 24 parts of modified starch, 10 to 16 parts of polypropylene wax, 8 to 12 parts of polyacrylamide, 4 to 8 parts of hydroxyacetic acid, 2 to 6 parts of dimethyl carbonate, and 0.2 to 0.4 part of manganese oxide. The preparation method of the nanometer modified sludge comprises the following steps: firstly performing mixing and vacuum filtration on polyurethane and isoprene, so as to obtain a mixture, and then ensuring that ferric chloride hexahydrate, sludge and the mixture are reacted under microwave, so as to obtain the nanometer modified sludge. The acetone pollution sludge treatment agent can ensure that physical and chemical indexes of soil heavily polluted by acetone reach the GB15618-2008 standard; the treatment technology is simple, the dosage is small, the treatment effect is good, the performance is stable, the recovery degree of the polluted soil is high, the cost of the acetone pollution sludge treatment agent can be effectively reduced, and the acetone pollution sludge treatment agent has good economic benefits and wide social benefits.
Owner:南安泰达农业科技有限公司

Circulating water purification system for farming of Channa argus

The invention provides a circulating water purification system for farming of Channa argus, comprising a Channa argus farming chamber, a backflushing filtering device, a collecting precipitating tank,a Hypophthalmichthys nobilis farming tank, a microbial purification deice and an ultraviolet sterilizing device. The bottom of the Channa argus farming chamber is provided with a drain pipe; the tailend of the drain pipe is communicated with the backflushing filtering device; the collecting precipitating tank is communicated with the backflushing filtering device through a backflushing blow-downpipe; the Hypophthalmichthys nobilis farming tank is communicated with the bottom of the collecting precipitating tank through a fertilizer conveying pipe; a water outlet of the backflushing filtering device is communicated with the microbial purification device; an outflow pipe of the microbial purification device is connected with a water inlet of the ultraviolet sterilizing device; a water outlet of the ultraviolet sterilizing device is connected with a water return pipe. The circulating water purification system for farming of Channa argus allows farming water to be cyclically utilized, so that mass water can be saved; the problems of Channa argus farming water recycling and waste utilization in the prior art are solved.
Owner:ANHUI SCI & TECH UNIV

A kind of ion exchange resin regeneration method

The invention provides an ion exchange resin regeneration method. The ion exchange resin regeneration method is characterized by comprising the following steps: (1) carrying out backwashing, namely introducing dilute regenerating liquid from the bottom of an ion exchange resin column, carrying out backwashing on the inside ion exchange resin, soaking for 25-35min, then converting the dilute regenerating liquid into concentrated regenerating liquid in a column body, and discharging the obtained concentrated regenerating liquid to a concentrated liquid collecting groove through compressed air, wherein the liquid inlet flow rate of the dilute regenerating liquid is 2-4BV / h, and the using amount of the dilute regenerating liquid is one-time bed body; (2) washing, namely, introducing 10% dilute sulphuric acid from the top of the ion exchange resin column, converting the dilute sulphuric acid into dilute regenerating liquid in the column body, discharging the dilute regenerating liquid to a dilute liquid collecting groove, and emptying residual liquid to complete the regeneration of the ion exchange resin, wherein the flow rate of the inlet liquid is 1-2BV / h and the using amount of 10% dilute sulphuric acid is one-time bed body. According to the regeneration method, the regenerating liquid is divided into the concentrated liquid and the dilute liquid, so that the using amount of the regenerating liquid can be effectively saved, and the regenerating cost can be effectively lowered.
Owner:中新联科环境科技(安徽)有限公司

Leg support for lower limb exoskeleton rehabilitation training robot

The invention relates to the field of medical rehabilitation instruments, and specially relates to a leg support for the lower limb exoskeleton rehabilitation training robot; the leg support comprises an upper supporting plate and a support board hinged to the upper supporting plate. A connecting shaft is arranged at one end of the upper supporting plate, a first screw hole is formed in the bottom face of the upper supporting plate, the top face of the upper supporting plate is an arc face, and a first binding belt used for fixing the thigh is arranged on the side face, in the length direction, of the upper supporting plate; a son inserting buckle is arranged at one end of the first binding belt, and a mother inserting buckle is arranged at the other end of the first binding belt. The end, close to the upper supporting plate, of the support board is provided with a rotating shaft, the rotating shaft is hinged to the connecting shaft through a screw, the bottom face of the support board is provided with a second screw hole, and the side face in the length direction of the support board is provided with a second binding belt used for fixing the shank portion; and a cloth cover is arranged outside the leg support. The leg support can be installed on a robot leg mechanism, can also be independently used for lower limb rehabilitation training, and is convenient to install and use.
Owner:宿州学院
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