CN1382637A - Electrochemical process and equipment for quickly cleaning used clothes washing water - Google Patents

Electrochemical process and equipment for quickly cleaning used clothes washing water Download PDF

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Publication number
CN1382637A
CN1382637A CN 01115370 CN01115370A CN1382637A CN 1382637 A CN1382637 A CN 1382637A CN 01115370 CN01115370 CN 01115370 CN 01115370 A CN01115370 A CN 01115370A CN 1382637 A CN1382637 A CN 1382637A
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CN
China
Prior art keywords
electrode
separate chamber
laundrywastes
electrochemical
electrochemical reactor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 01115370
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Chinese (zh)
Inventor
曲久辉
葛建团
雷鹏举
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Research Center for Eco Environmental Sciences of CAS
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Research Center for Eco Environmental Sciences of CAS
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Filing date
Publication date
Application filed by Research Center for Eco Environmental Sciences of CAS filed Critical Research Center for Eco Environmental Sciences of CAS
Priority to CN 01115370 priority Critical patent/CN1382637A/en
Publication of CN1382637A publication Critical patent/CN1382637A/en
Pending legal-status Critical Current

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Abstract

An electrochemical process for quickly cleaning the sewage generated by washing clothes feathres that the multi-valene metal ions generated by soluble electrode, which have flocculation and adsorption actions, and the catalytic oxidizing and air floating functions of the insuluble electrode are used to quickly and effective remove the pollutants including surfactant, so cleaning said sewage. Its advantages are simple process and equipment and high effect.

Description

The electrochemical method of fast purification laundrywastes and the device that is used for this method
The present invention relates to a kind of electrochemical method and device of fast purification laundrywastes, specifically is to utilize electricity flocculation, electric synergy floating and catalytic oxidation to purify laundrywastes.
At present, purify laundrywastes and mainly adopt medicament coagulation-dissolved air flotation and biological treatment.Medicament coagulation-dissolved air flotation needs special medicament dosing system and molten gas facility, equipment complexity, and the tensio-active agent in the laundrywastes of can't degrading.Biological treatment withstand shock portative power is relatively poor, lacks intermittent operation, is difficult to remove for phosphoric acid salt in the laundrywastes and tensio-active agent.
The objective of the invention is: electricity flocculation, electric floating and catalytic oxidation are integrated in the electrochemical reactor, finish coagulation, air supporting, absorption and the oxidation of laundrywastes, water quality is purified.
Method of the present invention is: flocculation and adsorption, insoluble mesh electrode by electrochemical reactor induced currents dissolved polyvalent metal ion and hydrolytic polymerization form thereof produce the electric floating effect of micro-bubble and the catalytic oxidation effect of self-made electrode, runner design by special purifies laundrywastes.Do not need additionally to add chemical agent and blast air.
Apparatus structure of the present invention as shown in drawings.Device comprises electrochemical reactor 1, electrode 2, separate chamber 3 and filler 4; Electrochemical reactor 1 bottom is provided with electrode 5 and electrode 6; Electrode is connected with rectifier power source 11 by lead 7,8,9,10 respectively; Electrochemical reactor links to each other with water inlet pipe 12, and water inlet is by valve 13 controls; 3 bottoms, separate chamber link to each other with rising pipe 14, and water outlet is by valve 15 controls; 3 tops, separate chamber are provided with scum pipe 16, and deslagging is by valve 17 controls; Electrochemical reactor 1 bottom is provided with water shoot 18 and valve 19, is used to discharge the surplus water in the electrochemical reactor.
The operating process of apparatus of the present invention is as follows:
Open inlet valve 13, start electrochemical reactor 1, open valve 17, when having treated that scum silica frost is discharged, open flowing water Valve 15, regulate the treatment capacity of inlet valve 13 and flowing water Valve 15 may command laundrywastess.
Characteristics of the present invention are as follows:
1. the purification of laundrywastes is finished in a device;
2. do not need additionally to add medicament and blast air;
3. tensio-active agent and phosphoric acid salt there is good effect of removing;
4. whole device is simple to operate, easily is automated control simultaneously.
Brief Description Of Drawings:
Fig. 1 is the synoptic diagram of apparatus of the present invention
Embodiment:
Embodiment 1 utilizes tap water and Sodium dodecylbenzene sulfonate to prepare pending water, and surfactant content is 70.62mg/l, handles under the following conditions:
Treatment time: 10min
Handle back residual surface active agent content 2.89mg/l.
Embodiment 2 utilizes tap water and mixed phosphate to prepare pending water, and phosphate content is 15.70mg/l, handles under the following conditions:
Treatment time: 15min
Handle back residual phosphoric acid salts contg 1.24mg/l.
Embodiment 3 gets certain hotel laundrywastes, and its water-quality guideline is turbidity 308NTU, COD157mg/l, and phosphoric acid salt 9.30mg/l,, handle under the following conditions:
Treatment time: 20min
It is as shown in table 1 to handle back water quality.
Table 1 embodiment 3 handles back water quality
Detect index Before the processing After the processing Clearance (%)
Turbidity (NTU) ????308 ????1.20 ????99.6
??COD(mg/l) ????157 ????27.6 ????82.4
Phosphoric acid salt (mg/l ????9.30 ????0.96 ????89.7

Claims (6)

1. the electrochemical method of a fast purification laundrywastes, this method comprises, by the metal ion of induced current generation and the flocculation and the adsorption of hydrolytic polymerization form thereof, utilize the catalyzed oxidation function of insoluble electrode and the air supporting effect of the micro-bubble that electrolysis produces, remove pollution substance such as tensio-active agent and phosphoric acid salt in the laundrywastes.
2. in accordance with the method for claim 1, it is characterized in that flocculation, air supporting and catalytic oxidation finish simultaneously in a reactor.
3. the device of quickly cleaning water and waste water is characterized in that, it comprises electrochemical reactor (1) and separate chamber (3) that order links to each other; Electrochemical reactor (1) inside is provided with electrode (2), (5) and (6); Inside, separate chamber (3) is provided with filler (4), and the bottom links to each other with valve (15) with rising pipe (14), and top links to each other with valve (17) with scum pipe (16), is used to discharge the scum silica frost in the separate chamber.
4. according to the described device of claim 3, it is characterized in that electrochemical reactor (1) and separate chamber (3) are a tightness system.
5. according to the described device of claim (4), electrode (2) is a soluble metal, and electrode (5) is the insoluble petal net, and electrode (6) is a self-made electrode.
6. according to the described device of claim 5, it is characterized in that electrode (6) is a complex metal oxides catalyzed oxidation electrode.
CN 01115370 2001-04-24 2001-04-24 Electrochemical process and equipment for quickly cleaning used clothes washing water Pending CN1382637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01115370 CN1382637A (en) 2001-04-24 2001-04-24 Electrochemical process and equipment for quickly cleaning used clothes washing water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01115370 CN1382637A (en) 2001-04-24 2001-04-24 Electrochemical process and equipment for quickly cleaning used clothes washing water

Publications (1)

Publication Number Publication Date
CN1382637A true CN1382637A (en) 2002-12-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01115370 Pending CN1382637A (en) 2001-04-24 2001-04-24 Electrochemical process and equipment for quickly cleaning used clothes washing water

Country Status (1)

Country Link
CN (1) CN1382637A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101948156A (en) * 2010-09-16 2011-01-19 江苏新龙鼎环保成套工程有限公司 Electrocoagulation vertical air flotation device based on electrolytic reaction principle
CN104085960A (en) * 2014-07-21 2014-10-08 天津城建大学 Method for treating sewage by using anionic surfactant and electric flocculation
CN104556497A (en) * 2014-12-12 2015-04-29 中国矿业大学(北京) Method and device for removing organic pollutants in lignite upgrading condensed water
CN108675405A (en) * 2018-04-13 2018-10-19 江苏大学 A kind of three-diemsnional electrode pulsed electrochemistry laundrywastes reclamation set
CN110872146A (en) * 2018-08-30 2020-03-10 无锡小天鹅电器有限公司 Sewage treatment device and clothes treatment system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101948156A (en) * 2010-09-16 2011-01-19 江苏新龙鼎环保成套工程有限公司 Electrocoagulation vertical air flotation device based on electrolytic reaction principle
CN104085960A (en) * 2014-07-21 2014-10-08 天津城建大学 Method for treating sewage by using anionic surfactant and electric flocculation
CN104085960B (en) * 2014-07-21 2016-02-24 天津城建大学 The method of a kind of anion surfactant-electric flocculation treatment sewage
CN104556497A (en) * 2014-12-12 2015-04-29 中国矿业大学(北京) Method and device for removing organic pollutants in lignite upgrading condensed water
CN108675405A (en) * 2018-04-13 2018-10-19 江苏大学 A kind of three-diemsnional electrode pulsed electrochemistry laundrywastes reclamation set
CN110872146A (en) * 2018-08-30 2020-03-10 无锡小天鹅电器有限公司 Sewage treatment device and clothes treatment system

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