Attapulgite sewage water treating method

A sewage treatment method, the technology of attapulgite, applied in the field of sewage treatment, can solve the problems of high cost, slow speed, unfavorable cost accounting, etc., and achieve the effect of low cost, time saving and equipment saving

Inactive Publication Date: 2008-09-03
浙江华特新材料有限公司
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Problems solved by technology

This patent selects component A as natural or cationic attapulgite, especially the latter requires special equipment and workshops for production, which is costly and slow. There are many kinds of raw materials, which brings disadvantages to the collection of raw materials and cost calculation

Method used

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  • Attapulgite sewage water treating method

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Embodiment Construction

[0007] The present invention will be described in further detail below in conjunction with the examples: the following table is the ratio of attapulgite, surfactant, flocculant raw materials and kilograms required for each ton of sewage purification treatment.

[0008]

[0009] Now take the hotel sewage as an example to explain its treatment method: first calculate the total sewage by the volume of the sewage tank, and then compare the raw materials and kilograms of the hotel sewage in Example 1 in the table: Add 0.3kg of attapulgite per ton of sewage and stir. For 15 minutes, add 0.1 kg of octadecyl trimethyl ammonium chloride with a concentration of 24%, stir for 30 minutes, add 0.3 kg of polyacrylamide with a concentration of 1% and 0.1 kg of polymeric quaternary salt, and stir for 15 minutes. , Settling for 30 minutes, the upper clear liquid is pumped out with a pump, and the lower sediment is dewatered with a centrifuge or a plate and frame filter press. If further purifica...

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Abstract

An attapulgite sewage handling method is to grind the attapulgite powder into attapulgite of 101 to 600 meshes and then pour the attapulgite into the awaiting sewage to stir. Then, 24 percent of octadecyl trimethyl ammonium chloride is poured into the sewage and stirred; then a flocculent is poured into the sewage and stirred and settled, and the water-soil separation, microorganism treatment and standard discharge are carried out. The weight ratio of the sewage and the attapulgite is 1000:0.1 to 1000:1.5; the dosage ratio of the attapulgite and the octadecyl trimethyl ammonium chloride is 4:1 to 4:3; the dosage ratio of the attapulgite and the flocculent is 1:1 to 4:1. The method can be used for treating hotel sewage, dyeing sewage, pesticide sewage and oilfield sewage and has the advantages of low treatment cost, saved time and labor, strong flocculation and easy raw material attainment.

Description

Technical field [0001] The invention relates to a method for treating sewage by combining attapulgite, a surface active agent and a flocculant, and combining adsorption and coagulation. Background technique [0002] CN1275873 discloses the patented technology of "a waste water purifier and its preparation method and application" of Sinopec. It uses organic attapulgite and other clay minerals as adsorbents, and uses siliceous filter aids and high-priced metal salts to input sewage in a certain proportion. In the purification process. The patent selects component A as natural or cationic attapulgite, especially the latter requires special equipment and workshops for production, which is costly and slow. The patent also requires the blending of component B and component C to form a purifying agent. The wide variety of raw materials brings disadvantages to the collection of raw materials and cost accounting. From the comparison of molecular structure, attapulgite is fibrous and has a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/28C02F1/52
Inventor 王春伟郑素群汤静芳
Owner 浙江华特新材料有限公司
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