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A low-phosphorus and high-efficiency scale-inhibiting dispersant

A technology of scale inhibitor dispersant and scale inhibitor, which is applied in the fields of descaling and water softening, water/sludge/sewage treatment, chemical instruments and methods, etc. Excellent anti-scaling performance

Active Publication Date: 2016-06-08
XINJIANG DELAND
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Problems solved by technology

However, phosphorus-containing antiscalants can easily cause eutrophication of environmental waters, promote the growth of bacteria and algae, form red tides, and cause water pollution

Method used

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  • A low-phosphorus and high-efficiency scale-inhibiting dispersant
  • A low-phosphorus and high-efficiency scale-inhibiting dispersant

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Experimental program
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Effect test

Embodiment 1-6

[0006] Embodiment 1-6, component raw materials are composed according to percentage.

[0007] Preparation method: During preparation, add each component into a stirring container in sequence, under normal temperature and pressure, stirring speed is 60 rpm, stirring time is 1 hour, and the product is obtained. In actual application, the dosage is 10-30mg / l, and it can also be adjusted appropriately according to the water quality.

[0008] The formulation of the dispersant: see Table 1

[0009] Table 1 Dispersant formulation

[0010]

[0011] With one group in the embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5 and embodiment 6 of the above table, choose one to prepare: pure water, carboxylate-sulfonate-N -tert-butylacrylamide terpolymer, 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA), acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer, phosphono Composed of carboxylic acid copolymer, sodium gluconate and water, put them into a stirri...

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Abstract

The invention relates to a water treatment agent and in particular relates to a low-phosphorus high-efficiency scale inhibition and dispersion agent. The scale inhibitor consists of the following components in percentage by weight: 10-15 percent of a carboxylate-sulfonate-N-tert-butyl acrylamide terpolymer, 8-10 percent of 2-phosphono butane-1,2,4-tricarboxylic acid PBTCA, 15-18 percent of an acrylic acid-2-acrylamide-2-methyl propane sulfonic acid copolymer, 7-10 percent of a phosphono carboxylic acid copolymer, 8-12 percent of sodium gluconate and the balance of water, wherein the raw materials of the components are commercially available industrial products. The low-phosphorus high-efficiency scale inhibition and dispersion agent disclosed by the invention is mainly used for treatment of industrial circulating water.

Description

technical field [0001] The invention relates to a water treatment agent, in particular to a low-phosphorus and high-efficiency scale-inhibiting dispersant. Background technique [0002] In the past 30 years, my country's economy has developed rapidly, among which the petroleum, chemical and steel industries have developed particularly rapidly, which has resulted in the continuous increase of industrial circulating water consumption. ion Ca 2+ , Mg 2+ 、HCO 3 - A large increase in the concentration of etc. will easily cause equipment scaling, affect the heat conduction of the equipment, and easily cause production accidents; in order to solve the problem of equipment scaling, the circulating cooling water usually adopts the method of adding scale inhibitors. There are polyphosphates, phosphate esters, organic phosphoric acids and polymers. Among them, organic phosphoric acid agents are widely used for their efficient dual functions of corrosion inhibition and scale inhibit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F5/14
CPCC02F5/10C02F5/14
Inventor 徐进峰曾凡付王刚张清华
Owner XINJIANG DELAND
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