CN110642347A - Method for preparing industrial flocculant from acid solution containing high iron, lead and zinc - Google Patents
Method for preparing industrial flocculant from acid solution containing high iron, lead and zinc Download PDFInfo
- Publication number
- CN110642347A CN110642347A CN201910922033.4A CN201910922033A CN110642347A CN 110642347 A CN110642347 A CN 110642347A CN 201910922033 A CN201910922033 A CN 201910922033A CN 110642347 A CN110642347 A CN 110642347A
- Authority
- CN
- China
- Prior art keywords
- sludge
- lead
- waste gas
- zinc
- liquid
- 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
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
Abstract
The invention discloses a method for preparing an industrial flocculant from an acid solution containing high iron, lead and zinc, which specifically comprises the following steps: the method comprises the following steps of preparation, waste acid pretreatment, sludge pretreatment, waste gas collection, lead and zinc removal reaction, plate-and-frame filter pressing, storage and packaging, and after a series of reactions such as acid-base neutralization, oxidation reduction and the like, heavy metal ions in the waste acid sludge are separated to obtain a ferrous chloride flocculant product, so that the recycling of elements such as iron, lead and zinc in industrial solid waste can be realized, the recycling of solid waste resources is realized, the recycled product which changes waste into valuable meets the industrial standard, the treatment service fee and the recycled product form multi-head income, the economic benefit of enterprises is greatly improved, the method has high practicability, the use functionality of the method for preparing the industrial flocculant from the acid solution containing high iron, lead and zinc is greatly improved, the use effect and the use benefit are ensured, and the method is suitable for wide popularization.
Description
Technical Field
The invention relates to the technical field of resource treatment, in particular to a method for preparing an industrial flocculant from an acid solution containing high iron, lead and zinc.
Background
The waste acid, sludge and other dangerous wastes generated in the wire rope industry have high heavy metal content and strong corrosivity, the metal surface treatment waste acid and the pickling sludge generated in the manufacturing process of the wire rope to be treated are raw materials containing a large amount of heavy metal ions, the common treatment method adopted in the industry at present is landfill and incineration, the landfill treatment can bring the problem of subsequent soil remediation, and the incineration treatment can cause the emission of unorganized harmful flue gas, thereby causing secondary pollution to the atmosphere. Therefore, the prior art in the industry is not an economical and reasonable resource treatment technology, has corresponding limitations, and how to invent a method for preparing an industrial flocculant from an acid solution containing high iron, lead and zinc to solve the problems becomes a problem to be solved by technical staff in the field.
Disclosure of Invention
The invention aims to provide a method for preparing an industrial flocculant from an acid solution containing high iron, lead and zinc, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for preparing industrial flocculant from acid solution containing high iron, lead and zinc is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, preparation step: weighing and metering the steel wire rope waste hydrochloric acid, the concentrated hydrochloric acid, the sodium sulfide liquid and the steel wire rope sludge for later use, and cleaning a sludge treatment kettle and a neutralization precipitation kettle at the same time;
s2, waste acid pretreatment: conveying the steel wire rope waste hydrochloric acid and concentrated hydrochloric acid which are measured in the step S1 to a sludge treatment kettle through a pump body, starting the sludge treatment kettle after the conveying is finished, and stirring the mixed liquid at a constant speed until the mixed liquid is uniformly stirred to obtain mixed acid liquid;
s3, sludge pretreatment: adding the weighed steel wire rope sludge in the S1 into a sludge treatment kettle containing mixed acid liquid, reacting the steel wire rope sludge with the mixed acid liquid after the addition is finished, observing the reaction process through an observation window, and supplementing a certain amount of steel wire rope waste hydrochloric acid according to the reaction process until the sludge added into the sludge treatment kettle is complete to obtain corresponding pretreatment liquid;
s4, waste gas collection: a small amount of hydrogen chloride waste gas is volatilized in S3, the hydrogen chloride waste gas is collected by the waste gas collecting cover and is guided into the waste gas absorption unit, the waste gas absorption unit carries out absorption treatment on the hydrogen chloride waste gas, and the hydrogen chloride waste gas returns to the sludge treatment kettle through the pretreatment liquid after the waste gas is absorbed;
s5, lead and zinc removal reaction: conveying the pretreated liquid treated in the step S4 to a neutralization and precipitation kettle, adding caustic soda liquid into the neutralization and precipitation kettle, adjusting the pH value of the liquid at the inner side to a fixed value, putting the metered sodium sulfide liquid into the neutralization and precipitation kettle after the adjustment is finished, stirring the neutralization and precipitation kettle to promote the reaction to be rapidly carried out, precipitating lead and zinc in the pretreated liquid, and obtaining a corresponding material after the reaction is finished;
s6, plate and frame filter pressing: opening a bottom valve of the neutralization precipitation kettle to pump the materials into a plate-and-frame filter press, pressing a filter plate after the plate-and-frame filter press is opened, maintaining a certain pressure after the filter plate is pressed, and performing filter pressing operation to realize solid-liquid separation;
s7, storage packaging: after the plate frame sludge is fully pressed, the filter press is loosened, the filter plate is pulled open, sludge attached to the filter cloth is shoveled by a mud shovel, the shoveled plate frame sludge is conveyed into a transport vehicle hopper through a conveyor belt, bagging and sealing are carried out, ferrous chloride filtrate is filtered by a filter element filter and then is pumped into a storage tank for storage, and waste gas recovery is carried out on the storage place of the lead-zinc mud.
Preferably, the sludge treatment kettle is in a sealed state in S2, and hydrogen chloride is not volatilized basically.
Preferably, the steel wire rope sludge is put into a sludge treatment kettle through a conveyer belt, and a certain amount of iron powder is added into the sludge treatment kettle in S3, so that ferric iron in the sludge treatment kettle is completely reduced into ferrous iron.
Preferably, a small amount of hydrogen sulfide gas overflows in the reaction process of S5, and the corresponding hydrogen sulfide gas enters the waste gas absorption unit under the drive of the induced draft fan and is absorbed by the waste gas absorption unit.
Preferably, when the ferrous chloride filtrate enters the storage tank for storage, a small amount of volatile hydrogen chloride and hydrogen sulfide waste gas can be generated in the storage tank, and the corresponding waste gas is collected by the collecting cover and then enters the waste gas absorption unit for absorption treatment.
Preferably, the waste gas absorption unit comprises a first-stage falling film absorption tower, a second-stage falling film absorption tower, a first-stage circulating absorption tower, a second-stage circulating absorption tower and a third-stage circulating absorption tower.
Preferably, the wire rope sludge has a certain standard moisture content, and can screen out residual sludge through a grid screen after S3 reaction, so that the pretreatment liquid can be conveniently stored.
Preferably, a filtrate recovery device and a sludge conveying device are arranged below the plate-and-frame filter press, and residual filtrate is circularly pumped back to the neutralization precipitation kettle under the action of the filtrate recovery device and is not discharged outside.
Preferably, the steel wire rope waste hydrochloric acid and the concentrated hydrochloric acid are both provided with a placing tank for storage.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc, disclosed by the invention, heavy metal ions in waste acid sludge are separated out after a series of reactions such as acid-base neutralization, oxidation reduction and the like to obtain a ferrous chloride flocculant product, so that comprehensive utilization of resources of acid-washed sludge, waste acid and the like generated in the steel wire rope manufacturing process is realized, transformation upgrading of the regional steel wire rope industry is facilitated, and the pollution treatment level is improved;
2. the method for preparing the industrial flocculant from the acid solution containing high iron, lead and zinc can realize the recycling of elements such as iron, lead and zinc in industrial solid waste and the cyclic utilization of solid waste resources, can provide a strong support for the development of regional economic environment, and ensures that a resource product prepared from waste acid and sludge is cooperatively treated, no industrial wastewater is discharged, sludge incineration and landfill are replaced, waste is turned into wealth, the resource product meets the industrial standard, the treatment service cost and the resource product form a multi-head income, and the economic benefit of enterprises is greatly improved;
3. the method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc has low energy consumption, accords with the green development policy, can effectively ensure the use effect and the use benefit, and is suitable for wide popularization.
Drawings
FIG. 1 is a schematic process flow diagram of a method for preparing an industrial flocculant from an acid solution containing high iron, lead and zinc according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a method for preparing industrial flocculant from acid solution containing high iron, lead and zinc is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, preparation step: weighing and metering the steel wire rope waste hydrochloric acid, the concentrated hydrochloric acid, the sodium sulfide liquid and the steel wire rope sludge for later use, and cleaning a sludge treatment kettle and a neutralization precipitation kettle at the same time;
s2, waste acid pretreatment: conveying the steel wire rope waste hydrochloric acid and concentrated hydrochloric acid which are measured in the step S1 to a sludge treatment kettle through a pump body, starting the sludge treatment kettle after the conveying is finished, and stirring the mixed liquid at a constant speed until the mixed liquid is uniformly stirred to obtain mixed acid liquid;
s3, sludge pretreatment: adding the weighed steel wire rope sludge in the S1 into a sludge treatment kettle containing mixed acid liquid, reacting the steel wire rope sludge with the mixed acid liquid after the addition is finished, observing the reaction process through an observation window, and supplementing a certain amount of steel wire rope waste hydrochloric acid according to the reaction process until the sludge added into the sludge treatment kettle is complete to obtain corresponding pretreatment liquid;
s4, waste gas collection: a small amount of hydrogen chloride waste gas is volatilized in S3, the hydrogen chloride waste gas is collected by the waste gas collecting cover and is guided into the waste gas absorption unit, the waste gas absorption unit carries out absorption treatment on the hydrogen chloride waste gas, and the hydrogen chloride waste gas returns to the sludge treatment kettle through the pretreatment liquid after the waste gas is absorbed;
s5, lead and zinc removal reaction: conveying the pretreated liquid treated in the step S4 to a neutralization and precipitation kettle, adding caustic soda liquid into the neutralization and precipitation kettle, adjusting the pH value of the liquid at the inner side to a fixed value, putting the metered sodium sulfide liquid into the neutralization and precipitation kettle after the adjustment is finished, stirring the neutralization and precipitation kettle to promote the reaction to be rapidly carried out, precipitating lead and zinc in the pretreated liquid, and obtaining a corresponding material after the reaction is finished;
s6, plate and frame filter pressing: opening a bottom valve of the neutralization precipitation kettle to pump the materials into a plate-and-frame filter press, pressing a filter plate after the plate-and-frame filter press is opened, maintaining a certain pressure after the filter plate is pressed, and performing filter pressing operation to realize solid-liquid separation;
s7, storage packaging: after the plate frame sludge is fully pressed, the filter press is loosened, the filter plate is pulled open, sludge attached to the filter cloth is shoveled by a mud shovel, the shoveled plate frame sludge is conveyed into a transport vehicle hopper through a conveyor belt, bagging and sealing are carried out, ferrous chloride filtrate is filtered by a filter element filter and then is pumped into a storage tank for storage, and waste gas recovery is carried out on the storage place of the lead-zinc mud.
Specifically, in S2, the sludge treatment kettle is sealed, and hydrogen chloride is not volatilized substantially.
Specifically, the steel wire rope sludge is put into a sludge treatment kettle through a conveying belt, and a certain amount of iron powder is added into the sludge treatment kettle in S3, so that ferric iron in the sludge treatment kettle is completely reduced into ferrous iron.
Specifically, a small amount of hydrogen sulfide gas can overflow in the reaction process of S5, and the corresponding hydrogen sulfide gas enters the waste gas absorption unit under the drive of the induced draft fan and is absorbed by the waste gas absorption unit.
Specifically, when the ferrous chloride filtrate enters the storage tank for storage, a small amount of volatile hydrogen chloride and hydrogen sulfide waste gas can be generated in the storage tank, and the corresponding waste gas is collected by the collecting cover and then enters the waste gas absorption unit for absorption treatment.
Specifically, the waste gas absorption unit comprises a first-stage falling film absorption tower, a second-stage falling film absorption tower, a first-stage circulating absorption tower, a second-stage circulating absorption tower and a third-stage circulating absorption tower.
Specifically, wire rope mud has the moisture content of certain standard, and can screen out remaining mud through the lattice screen after S3 reaction, is convenient for save pretreatment liquid.
Specifically, a filtrate recovery device and a sludge conveying device are arranged below the plate-and-frame filter press, residual filtrate is circularly pumped back to the neutralization precipitation kettle under the action of the filtrate recovery device and is not discharged outside, and the corresponding sludge conveying device is specifically a spiral conveyor.
Specifically, the steel wire rope waste hydrochloric acid and the concentrated hydrochloric acid are both provided with a placing tank for storage.
The invention relates to a method for preparing industrial flocculant from acid solution containing high iron, lead and zinc, which comprises the steps of preparation, waste acid pretreatment, sludge pretreatment, waste gas collection, lead and zinc removal reaction, plate-frame filter pressing, storage and encapsulation, and separation of heavy metal ions in waste acid sludge after a series of reactions such as acid-base neutralization, oxidation reduction and the like to obtain a ferrous chloride flocculant product, so that the recovery and utilization of elements such as iron, lead and zinc in industrial solid waste can be realized, the cyclic utilization of solid waste resources is realized, and a powerful support can be provided for the development of regional economic environment; and the waste acid and the sludge are treated cooperatively, no industrial wastewater is discharged, sludge incineration and landfill are replaced, the resource product which changes waste into valuable meets the industrial standard, the treatment service cost and the resource product form a plurality of income, the economic benefit of enterprises is greatly promoted, the practicability is high, the use functionality of the method for preparing the industrial flocculant from the acid solution containing high iron, lead and zinc is greatly promoted, the use effect and the use benefit are ensured, and the method is suitable for wide popularization.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A method for preparing industrial flocculant from acid solution containing high iron, lead and zinc is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, preparation step: weighing and metering the steel wire rope waste hydrochloric acid, the concentrated hydrochloric acid, the sodium sulfide liquid and the steel wire rope sludge for later use, and cleaning a sludge treatment kettle and a neutralization precipitation kettle at the same time;
s2, waste acid pretreatment: conveying the steel wire rope waste hydrochloric acid and concentrated hydrochloric acid which are measured in the step S1 to a sludge treatment kettle through a pump body, starting the sludge treatment kettle after the conveying is finished, and stirring the mixed liquid at a constant speed until the mixed liquid is uniformly stirred to obtain mixed acid liquid;
s3, sludge pretreatment: adding the weighed steel wire rope sludge in the S1 into a sludge treatment kettle containing mixed acid liquid, reacting the steel wire rope sludge with the mixed acid liquid after the addition is finished, observing the reaction process through an observation window, and supplementing a certain amount of steel wire rope waste hydrochloric acid according to the reaction process until the sludge added into the sludge treatment kettle is complete to obtain corresponding pretreatment liquid;
s4, waste gas collection: a small amount of hydrogen chloride waste gas is volatilized in S3, the hydrogen chloride waste gas is collected by the waste gas collecting cover and is guided into the waste gas absorption unit, the waste gas absorption unit carries out absorption treatment on the hydrogen chloride waste gas, and the hydrogen chloride waste gas returns to the sludge treatment kettle through the pretreatment liquid after the waste gas is absorbed;
s5, lead and zinc removal reaction: conveying the pretreated liquid treated in the step S4 to a neutralization and precipitation kettle, adding caustic soda liquid into the neutralization and precipitation kettle, adjusting the pH value of the liquid at the inner side to a fixed value, putting the metered sodium sulfide liquid into the neutralization and precipitation kettle after the adjustment is finished, stirring the neutralization and precipitation kettle to promote the reaction to be rapidly carried out, precipitating lead and zinc in the pretreated liquid, and obtaining a corresponding material after the reaction is finished;
s6, plate and frame filter pressing: opening a bottom valve of the neutralization precipitation kettle to pump the materials into a plate-and-frame filter press, pressing a filter plate after the plate-and-frame filter press is opened, maintaining a certain pressure after the filter plate is pressed, and performing filter pressing operation to realize solid-liquid separation;
s7, storage packaging: after the plate frame sludge is fully pressed, the filter press is loosened, the filter plate is pulled open, sludge attached to the filter cloth is shoveled by a mud shovel, the shoveled plate frame sludge is conveyed into a transport vehicle hopper through a conveyor belt, bagging and sealing are carried out, ferrous chloride filtrate is filtered by a filter element filter and then is pumped into a storage tank for storage, and waste gas recovery is carried out on the storage place of the lead-zinc mud.
2. The method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc according to the claim 1, which is characterized in that: in S2, the sludge treatment kettle is in a sealed state and basically has no volatilization of hydrogen chloride.
3. The method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc according to the claim 1, which is characterized in that: and the steel wire rope sludge is put into the sludge treatment kettle through the conveyer belt, and a certain amount of iron powder is added into the sludge treatment kettle in S3, so that ferric iron in the sludge treatment kettle is completely reduced into ferrous iron.
4. The method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc according to the claim 1, which is characterized in that: a small amount of hydrogen sulfide gas can overflow in the S5 reaction process, and the corresponding hydrogen sulfide gas enters the waste gas absorption unit under the drive of the induced draft fan and is absorbed by the waste gas absorption unit.
5. The method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc according to the claim 1, which is characterized in that: ferrous chloride filtrating when entering into the holding vessel and storing, there are a small amount of volatile hydrogen chloride and hydrogen sulfide waste gas in the storage vessel, and corresponding waste gas enters into waste gas absorption unit and absorbs the processing after collecting through collecting the cover.
6. The method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc according to the claim 1, which is characterized in that: the waste gas absorption unit comprises a first-stage falling film absorption tower, a second-stage falling film absorption tower, a first-stage circulating absorption tower, a second-stage circulating absorption tower and a third-stage circulating absorption tower.
7. The method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc according to the claim 1, which is characterized in that: wire rope mud has the moisture content of certain standard, and can screen out remaining mud through the lattice screen after S3 reaction, is convenient for save pretreatment liquid.
8. The method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc according to the claim 1, which is characterized in that: and a filtrate recovery device and a sludge conveying device are arranged below the plate-and-frame filter press, and residual filtrate is circularly pumped back to the neutralization precipitation kettle under the action of the filtrate recovery device and is not discharged outside.
9. The method for preparing the industrial flocculant from the acid solution containing the high iron, the lead and the zinc according to the claim 1, which is characterized in that: the steel wire rope waste hydrochloric acid and the concentrated hydrochloric acid are both provided with a placing tank for storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922033.4A CN110642347A (en) | 2019-09-27 | 2019-09-27 | Method for preparing industrial flocculant from acid solution containing high iron, lead and zinc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922033.4A CN110642347A (en) | 2019-09-27 | 2019-09-27 | Method for preparing industrial flocculant from acid solution containing high iron, lead and zinc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110642347A true CN110642347A (en) | 2020-01-03 |
Family
ID=69011591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910922033.4A Pending CN110642347A (en) | 2019-09-27 | 2019-09-27 | Method for preparing industrial flocculant from acid solution containing high iron, lead and zinc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110642347A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113684366A (en) * | 2021-07-27 | 2021-11-23 | 江苏荣信环保科技有限公司 | Process for producing zinc concentrate by using zinc-containing waste hydrochloric acid |
| CN114873790A (en) * | 2022-05-26 | 2022-08-09 | 天津辰创环境工程科技有限责任公司 | Steel wire rope sludge and waste acid recycling harmless treatment method |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5102556A (en) * | 1990-03-30 | 1992-04-07 | Union Oil Company Of California | Method for rendering ferric hydroxide sludges recyclable |
| CN1587027A (en) * | 2004-08-30 | 2005-03-02 | 金川集团有限公司 | Method for producing reagent hydrochloric acid |
| CN102079595A (en) * | 2010-12-16 | 2011-06-01 | 陆伯新 | Method for treating waste hydrochloric acid containing lead, zinc and ferrum |
| CN102199168A (en) * | 2010-03-25 | 2011-09-28 | 日照岚星化工工业有限公司 | Novel synthetic technology of gamma-chloropropyl triethoxysilane |
| CN102302890A (en) * | 2011-04-29 | 2012-01-04 | 苏州市吴赣药业有限公司 | Hydrogen chloride gas circulating recovery system |
| CN104003554A (en) * | 2014-06-04 | 2014-08-27 | 武汉飞博乐环保工程有限公司 | Waste acid purifying device and process |
| CN105174405A (en) * | 2015-10-26 | 2015-12-23 | 刘阳生 | Method for preparing polymeric aluminum iron flocculating agent from wire rope acid sludge |
| CN105271436A (en) * | 2015-10-19 | 2016-01-27 | 刘阳生 | Method for preparing polyferric chloride flocculant by using steel wire rope sludge and waste salt |
| CN106186445A (en) * | 2016-08-30 | 2016-12-07 | 环境保护部南京环境科学研究所 | A kind of steel wire rope acid-washing waste acid and containing high zinc, lead mud disposal system and technique altogether |
| CN106676274A (en) * | 2016-11-21 | 2017-05-17 | 西北矿冶研究院 | Method for resource utilization of lead and zinc in high-iron and high-phosphorus-containing waste residues in steel wire rope industry |
| CN107235575A (en) * | 2017-07-24 | 2017-10-10 | 环境保护部南京环境科学研究所 | A kind of system and method for handling wire rope factory pickle liquor and sludge |
| CN108358409A (en) * | 2018-03-07 | 2018-08-03 | 江苏天楹环保能源成套设备有限公司 | A kind of steel wire rope sludge and spent acid method for innocent treatment |
| CN108383272A (en) * | 2018-03-07 | 2018-08-10 | 江苏天楹环保能源成套设备有限公司 | A kind of sludge recovery treatment method of waste acid that wire rope factory generates |
| CN208055173U (en) * | 2018-03-15 | 2018-11-06 | 江苏天楹环保能源成套设备有限公司 | A kind of spent acid and steel wire rope sewage sludge harmlessness processing system |
-
2019
- 2019-09-27 CN CN201910922033.4A patent/CN110642347A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5102556A (en) * | 1990-03-30 | 1992-04-07 | Union Oil Company Of California | Method for rendering ferric hydroxide sludges recyclable |
| CN1587027A (en) * | 2004-08-30 | 2005-03-02 | 金川集团有限公司 | Method for producing reagent hydrochloric acid |
| CN102199168A (en) * | 2010-03-25 | 2011-09-28 | 日照岚星化工工业有限公司 | Novel synthetic technology of gamma-chloropropyl triethoxysilane |
| CN102079595A (en) * | 2010-12-16 | 2011-06-01 | 陆伯新 | Method for treating waste hydrochloric acid containing lead, zinc and ferrum |
| CN102302890A (en) * | 2011-04-29 | 2012-01-04 | 苏州市吴赣药业有限公司 | Hydrogen chloride gas circulating recovery system |
| CN104003554A (en) * | 2014-06-04 | 2014-08-27 | 武汉飞博乐环保工程有限公司 | Waste acid purifying device and process |
| CN105271436A (en) * | 2015-10-19 | 2016-01-27 | 刘阳生 | Method for preparing polyferric chloride flocculant by using steel wire rope sludge and waste salt |
| CN105174405A (en) * | 2015-10-26 | 2015-12-23 | 刘阳生 | Method for preparing polymeric aluminum iron flocculating agent from wire rope acid sludge |
| CN106186445A (en) * | 2016-08-30 | 2016-12-07 | 环境保护部南京环境科学研究所 | A kind of steel wire rope acid-washing waste acid and containing high zinc, lead mud disposal system and technique altogether |
| CN106676274A (en) * | 2016-11-21 | 2017-05-17 | 西北矿冶研究院 | Method for resource utilization of lead and zinc in high-iron and high-phosphorus-containing waste residues in steel wire rope industry |
| CN107235575A (en) * | 2017-07-24 | 2017-10-10 | 环境保护部南京环境科学研究所 | A kind of system and method for handling wire rope factory pickle liquor and sludge |
| CN108358409A (en) * | 2018-03-07 | 2018-08-03 | 江苏天楹环保能源成套设备有限公司 | A kind of steel wire rope sludge and spent acid method for innocent treatment |
| CN108383272A (en) * | 2018-03-07 | 2018-08-10 | 江苏天楹环保能源成套设备有限公司 | A kind of sludge recovery treatment method of waste acid that wire rope factory generates |
| CN208055173U (en) * | 2018-03-15 | 2018-11-06 | 江苏天楹环保能源成套设备有限公司 | A kind of spent acid and steel wire rope sewage sludge harmlessness processing system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113684366A (en) * | 2021-07-27 | 2021-11-23 | 江苏荣信环保科技有限公司 | Process for producing zinc concentrate by using zinc-containing waste hydrochloric acid |
| CN114873790A (en) * | 2022-05-26 | 2022-08-09 | 天津辰创环境工程科技有限责任公司 | Steel wire rope sludge and waste acid recycling harmless treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105271436B (en) | The method that poly ferric chloride flocculant agent is prepared using steel wire rope sludge and waste hydrochloric acid | |
| CN106186445B (en) | Steel wire rope pickling waste acid and high-zinc-and-lead-containing sludge co-disposal system and process | |
| CN110642347A (en) | Method for preparing industrial flocculant from acid solution containing high iron, lead and zinc | |
| CN110436721A (en) | A kind of metal surface pickling sludge and spent acid comprehensive processing technique | |
| CN102247685A (en) | Harmless treatment process for mercury-containing waste dangerous chemicals | |
| CN108383272A (en) | A kind of sludge recovery treatment method of waste acid that wire rope factory generates | |
| CN206142942U (en) | Wire rope pickling spent acid and contain high zinc, plumbous mud coexistence system of putting | |
| CN111408601A (en) | Kitchen waste resource utilization method and treatment system | |
| CN102718382B (en) | Sludge processing technology by electrochemical direct oxidation | |
| CN102312101B (en) | Extractant for treating heavy metals in fly ash and method for extracting heavy metals with the extractant | |
| Oteng et al. | An evaluation of the impact framework for product stewardship on end-of-life solar photovoltaic modules: An environmental lifecycle assessment | |
| CN104787927A (en) | Novel method for purifying and repeatedly using lead and zinc smelting flue gas washing contaminated acid wastewater | |
| CN102284464B (en) | Harmless disposal method for stainless steel acid washing residues | |
| CN111847830A (en) | Get rid of sled dress formula modular processing apparatus of heavy metal pollution bed mud | |
| CN101886173A (en) | Comprehensive recycling process of xanthate cobalt residue in zinc hydrometallurgy | |
| RU2327536C2 (en) | Method of neutralising mercury containing wastes | |
| CN103509945A (en) | Method for recovering arsenic from arsenic-enriched plant | |
| CN206083389U (en) | Solid waste sorts equipment | |
| CN106111662A (en) | Preprocess method before one way of life garbage loading embeading | |
| CN215754557U (en) | Pretreatment system suitable for treating hazardous waste in cooperation with cement kiln | |
| CN202238278U (en) | Sorting device of domestic refuse incineration ash | |
| CN109054750A (en) | A kind of technique using garbage flying ash preparation deicing salt | |
| CN109332349A (en) | A kind of intelligent garbage classification, recycling treatment method | |
| CN104438285A (en) | Method for carrying out innocent treatment on waste mercury catalyst by mechanical ball milling via taking sulfur as additive | |
| CN107032571A (en) | The disposal of resources system and technique of a kind of heavy metal sulfide sludge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200103 |