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Drinking water clarification disinfecting pills and preparation method

A technology for disinfection pills and drinking water, applied in the fields of flocculation/sedimentation water/sewage treatment, sterilization/microdynamic water/sewage treatment, etc. Application scope limitation and other issues, to achieve good muddy water clarification effect, time-saving and convenient use, and good clarification effect

Active Publication Date: 2010-11-24
INST OF HYGIENE & ENVIRONMENTAL MEDICINE PLA ACAD OF MILITARY MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this product is suitable for more than three types of source water that meets the national standard for drinking water. It has high requirements for source water and has no clarification effect on surface water with high turbidity. The field application range is limited to a certain extent.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A drinking water clarification and disinfection pill is made by the following method:

[0022] Take polyaluminum chloride, chitosan, anhydrous sodium sulfite and anhydrous sodium carbonate in the ratio of 2:4:1.3:2 by mass ratio and mix to obtain the first mixture, which is 60:3:2 by mass ratio Proportion: Mix the first mixture, resin powder and talcum powder, and press it into a nearly spherical tablet with a diameter of 3.5-3.8mm with a single-punch tablet machine, and make the inner core of the pellet. After drying at 60°C, use a mass concentration of 15% Shellac ethanol solution coats the core of the inner layer, and then the mass ratio of sodium dichloroisocyanurate and anhydrous sodium sulfite is 3: 1.3, and the mass ratio of sodium dichloroisocyanurate and sodium dichloroisocyanurate is 3:0.2 and The resin powder is mixed to obtain the second mixture, and the second mixture is rolled on the surface of the coated inner layer core with a sugar coating machine, and ...

Embodiment 2

[0024] A drinking water clarification and disinfection pill is made by the following method:

[0025] Take polyaluminum chloride, chitosan, anhydrous sodium sulfite and anhydrous sodium carbonate in the ratio of 2:6:1:2 by mass ratio and mix to obtain the first mixture, which is 60:4:3 by mass ratio Proportions: Mix the first mixture, resin powder and talcum powder, press it into the core of the inner layer with a tablet machine or use a sugar coating machine to make the core of the inner layer by rolling pellets, and use a shellac ethanol solution with a mass concentration of 20% The core of the inner layer is coated, and then the mass ratio of sodium dichloroisocyanurate and anhydrous sodium sulfite is 3:1, and sodium dichloroisocyanurate and resin powder are mixed with a mass ratio of 3:0.2 to obtain For the second mixture, roll the second mixture on the surface of the coated inner layer core with a sugar coating machine, and use a volume percentage concentration of 93% eth...

Embodiment 3

[0027] A drinking water clarification and disinfection pill is made by the following method:

[0028] Take polyaluminum chloride, chitosan, anhydrous sodium sulfite and anhydrous sodium carbonate in the ratio of 2:2:2:1 by mass ratio and mix them to obtain the first mixture, which is 60:3:1 by mass ratio. Proportions Mix the first mixture, resin powder and talcum powder, press it into the core of the inner layer with a tablet machine or utilize a sugar coating machine to make the core of the inner layer by rolling pellets, and use a mass concentration of 18% shellac ethanol solution The core of the inner layer is coated, and then the mass ratio of sodium dichloroisocyanurate and anhydrous sodium sulfite is 3: 1.5, and sodium dichloroisocyanurate and resin powder are mixed with a mass ratio of 3:0.15 to obtain For the second mixture, roll the second mixture on the surface of the coated inner layer core with a sugar coating machine, and use a volume percentage concentration of 9...

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Abstract

The invention discloses drinking water clarification disinfecting pills and a preparation method. The drinking water clarification disinfecting pills are prepared by the following steps of: mixing polyaluminium chloride, chitosan, anhydrous sodium sulfite and anhydrous sodium carbonate to obtain a first mixture; mixing the first mixture, resin powder and talcpowder; tabletting the mixture into an inner layer core by using a tablet machine; coating the inner layer core with solution of shell-lac ethanol; mixing sodium dichloro isocyanurate and the resin powder to obtain a second mixture; rolling the second mixture on the surface of the coated inner layer core by using a sugar coating machine; and spraying aqueous solution of ethanol on the pills to prepare the drinking water clarification disinfecting pills. The drinking water clarification disinfecting pills of the invention have the advantages of time-saving and convenient use, easy carrying, and excellent turbid water clarification effect. The microorganism index of water treated by the drinking water clarification disinfecting pills is accordant with the national drinking water standard and the drinking water clarification disinfecting pills are suitable for military personnel, fieldwork personnel and tourists to treat and use the field drinking water.

Description

technical field [0001] The invention relates to a drinking water clarification and disinfection pill, which belongs to the field of drinking water disinfection and purification. Background technique [0002] In the past, the reagents used to prepare drinking water in the field were divided into clarifiers and disinfectants. The packaging was complicated, the operation was cumbersome, time-consuming, and the content of available chlorine was high. Adequate safe and reliable drinking water cannot be rapidly provided in emergencies. The double-layer personal drinking water disinfection pill produced by Unit 59174 has the functions of rapid disinfection and removal of excess chlorine after disinfection. The outer layer of the product is sodium dichloroisocyanurate and bentonite, the inner layer is sodium sulfite and bentonite, and shellac ethanol solution is used to coat the inner and outer layers of the separated pellets. When in use, each disinfection pill can treat 1 liter ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/56C02F1/50
Inventor 尹静王华然杨忠委李迎凯王福玉孙欣
Owner INST OF HYGIENE & ENVIRONMENTAL MEDICINE PLA ACAD OF MILITARY MEDICAL
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