Device system and method for treating coking wastewater
A coking wastewater pretreatment technology, applied in chemical instruments and methods, filtration treatment, multi-stage water treatment, etc., can solve the problems of limited COD treatment capacity, reduce the risk of secondary pollution, reduce the amount of sludge produced, The effect of promoting activity
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Embodiment 1
[0086] This embodiment provides a catalyst for ozone catalytic oxidation, the catalyst used for ozone catalytic oxidation is a catalyst prepared by the following preparation method, and the preparation method includes the following steps:
[0087] (i) mixing base material, binding agent, pore-forming agent, surfactant, reinforcing agent and active component according to formula quantity, obtain compound material; In parts by weight, described compound material comprises: 100 parts of base material, 12 parts of binder, 9 parts of pore-forming agent, 3 parts of surface active agent, 4 parts of reinforcing agent, 3 parts of active component; The base material is vermiculite, and the binder is sodium alginate. The pore agent is polyethylene glycol, the surfactant is sodium dodecylbenzenesulfonate, the reinforcing agent is glass fiber with an average particle diameter of 5 mm, and the active component is nickel oxide;
[0088] (ii) use the mixture obtained in step (i) to granulate to...
Embodiment 2
[0090] This embodiment provides a catalyst for ozone catalytic oxidation, the catalyst used for ozone catalytic oxidation is a catalyst prepared by the following preparation method, and the preparation method includes the following steps:
[0091] (i) mixing base material, binding agent, pore-forming agent, surfactant, reinforcing agent and active component according to formula quantity, obtain compound material; In parts by weight, described compound material comprises: 100 parts of base material, 11 parts of binder, 7 parts of pore-forming agent, 2 parts of surfactant, 4 parts of reinforcing agent, 2 parts of active component; The base material is vermiculite, and the binder is chitosan. The pore agent is glycerol, the surfactant is sodium dibutylnaphthalene sulfonate, the reinforcing agent is carbon fiber with an average particle diameter of 5mm, and the active component is nickel oxide;
[0092] (ii) use the mixture obtained in step (i) to granulate to obtain spherical par...
Embodiment 3
[0094] This embodiment provides a catalyst for ozone catalytic oxidation, the catalyst used for ozone catalytic oxidation is a catalyst prepared by the following preparation method, and the preparation method includes the following steps:
[0095] (i) mixing base material, binding agent, pore-forming agent, surfactant, reinforcing agent and active component according to formula quantity, obtain compound material; In parts by weight, described compound material comprises: 100 parts of base material, 13 parts of binder, 10 parts of pore-forming agent, 4 parts of surfactant, 5 parts of reinforcing agent, 4 parts of active component; The base material is vermiculite, and the binder is chitosan. The pore agent is polyethylene glycol, the surfactant is sodium lignosulfonate, the reinforcing agent is glass fiber with an average particle diameter of 6mm, and the active component is nickel oxide;
[0096] (ii) use the mixture obtained in step (i) to granulate to obtain spherical partic...
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