CN105732326A - Method for treating n-butyl alcohol production wastewater by resin - Google Patents
Method for treating n-butyl alcohol production wastewater by resin Download PDFInfo
- Publication number
- CN105732326A CN105732326A CN201610160356.0A CN201610160356A CN105732326A CN 105732326 A CN105732326 A CN 105732326A CN 201610160356 A CN201610160356 A CN 201610160356A CN 105732326 A CN105732326 A CN 105732326A
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- Prior art keywords
- resin
- butyl alcohol
- flow
- desorption
- value
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a method for treating n-butyl alcohol production wastewater by resin and relates to the technical field of n-butyl alcohol production.The method is characterized by sequentially including the steps of pretreating wastewater, namely determining a pH value of the wastewater, and regulating the pH value to be within the range of 7-8 by sulfuric acid or sodium hydroxide; selecting hypercrosslinked macroporous adsorbent resin; enabling the wastewater to flow through the adsorbent resin in a desorption flow quantity of 3-4 BV h<-1> at 30-40 DEG C; subjecting the adsorbed adsorbent resin to desorption treatment in a desorption flow quantity of 1.23-4 BV h<-1> at 30-40 DEG C; recovering n-butyl alcohol through two-time distillation, wherein primary distillation temperature ranges from 80 DEG C to 90 DEG C and secondary distillation temperature ranges from 109 DEG C to 115 DEG C.The method has the advantages of low wastewater treatment cost, thorough n-butyl recovery, easiness in control and high efficiency.
Description
Technical field:
The present invention relates to n-butyl alcohol production technical field, specifically one utilizes resin treatment n-butyl alcohol to produce
The method of waste liquid.
Background technology:
A kind of colourless, have the liquid of fume taste, boiling point 117.7 DEG C, be slightly dissolved in water, be multiple coating
Solvent and the raw material of plasticizer phthalic acid dibutyl ester (see phthalic acid ester) processed, be also used for manufacturing
Butyl acrylate, butyl acetate, butyl glycol ether and as organic synthesis intermediate and biochemical medicine
Extractant, be additionally operable to manufacture surfactant.The industrial making method of n-butyl alcohol mainly has fermentation method, propylene
Oxo synthesis and aldol condensation of acetaldehyde method three kinds.Additionally, by during ethylene high fatty alcohol, also by-product is being just
Butanol.The waste liquid produced in the technique producing n-butyl alcohol not only only has n-butyl alcohol, but also may contain
There are other side-product, such as isopropanol, prior art are all the method using chemistry reclaims,
Liquid waste processing relatively costly, and be not easily controlled, efficiency is low.
Summary of the invention:
The technical problem to be solved is to provide a kind for the treatment of cost of waste liquor low, reclaims n-butyl alcohol
Thoroughly, it is easily controlled, method that resin treatment n-butyl alcohol produces waste liquid that what efficiency was high utilize.
The technical problem to be solved realizes by the following technical solutions.
A kind of method utilizing resin treatment n-butyl alcohol to produce waste liquid, it is characterised in that: include following successively
Step,
(1) Wastewater Pretreatment: measure the pH value of waste water, uses sulphuric acid or sodium hydroxide regulation pH value,
PH value is adjusted in the range of 7～8；
(2) resin is selected: use superhigh cross-linking macroporous adsorbent resin；
(3) absorption: by waste liquid with 3～4BV h-1Desorption flow flow through adsorbent resin, the temperature of absorption
Degree is 30～40 DEG C；
(4) desorption processes: use methanol that the adsorbent resin after absorption is carried out desorption process, the temperature of desorption
Degree is 30～40 DEG C, and desorption flow is 1.23～4BV h-1；
(5) reclaim: by the way of twice distillation, reclaim n-butyl alcohol, for the first time vapo(u)rizing temperature be 80～
90 DEG C, the temperature of second time distillation is 109～115 DEG C.
Described resin needs to carry out pretreatment before using.
Described pretreatment is specially and uses the hot water of 50～60 DEG C repeatedly to clean the resin preparing to use；With
Concentration be 4～5% sodium hydroxide solution slowly flow across resin, with the bed volume stream of per hour 1.5 times
Cross；With concentration be 4～5% hydrochloric acid solution flow through resin, flow through with the bed volume of per hour 1.5 times；
With concentration be 4～5% sodium hydroxide solution flow through resin；With deionized water rinsing to going out water ph value it is
When 6～7, can use.
The invention has the beneficial effects as follows: treatment cost of waste liquor of the present invention is low, reclaim n-butyl alcohol thorough, easily
Controlling, efficiency is high.
Detailed description of the invention:
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, below in conjunction with specific embodiment, the present invention is expanded on further.
A kind of method utilizing resin treatment n-butyl alcohol to produce waste liquid, comprises the following steps successively,
(1) Wastewater Pretreatment: measure the pH value of waste water, uses sulphuric acid or sodium hydroxide regulation pH value,
PH value is adjusted in the range of 7～8；
(2) resin is selected: use superhigh cross-linking macroporous adsorbent resin；
(3) absorption: by waste liquid with 3～4BV h-1Desorption flow flow through adsorbent resin, the temperature of absorption
Degree is 30～40 DEG C；
(4) desorption processes: use methanol that the adsorbent resin after absorption is carried out desorption process, the temperature of desorption
Degree is 30～40 DEG C, and desorption flow is 1.23～4BV h-1；
(5) reclaim: by the way of twice distillation, reclaim n-butyl alcohol, for the first time vapo(u)rizing temperature be 80～
90 DEG C, the temperature of second time distillation is 109～115 DEG C.
Resin needs to carry out pretreatment before using.
Pretreatment is specially and uses the hot water of 50～60 DEG C repeatedly to clean the resin preparing to use；By concentration it is
4～5% sodium hydroxide solution slowly flow across resin, flow through with the bed volume of per hour 1.5 times；With
Concentration be 4～5% hydrochloric acid solution flow through resin, flow through with the bed volume of per hour 1.5 times；With dense
Degree be 4～5% sodium hydroxide solution flow through resin；It is 6～7 with deionized water rinsing to going out water ph value
Time, can head such as use.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
The principle that the present invention is simply described described in book, without departing from the spirit and scope of the present invention,
The present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention model
In enclosing.Claimed scope is defined by appending claims and equivalent thereof.
Claims (3)
1. one kind utilize resin treatment n-butyl alcohol produce waste liquid method, it is characterised in that: include successively with
Lower step,
(1) Wastewater Pretreatment: measure the pH value of waste water, uses sulphuric acid or sodium hydroxide regulation pH value,
PH value is adjusted in the range of 7～8；
(2) resin is selected: use superhigh cross-linking macroporous adsorbent resin；
(3) absorption: by waste liquid with 3～4BV h-1Desorption flow flow through adsorbent resin, the temperature of absorption
Degree is 30～40 DEG C；
(4) desorption processes: use methanol that the adsorbent resin after absorption is carried out desorption process, the temperature of desorption
Degree is 30～40 DEG C, and desorption flow is 1.23～4BV h-1；
(5) reclaim: by the way of twice distillation, reclaim n-butyl alcohol, for the first time vapo(u)rizing temperature be 80～
90 DEG C, the temperature of second time distillation is 109～115 DEG C.
A kind of method utilizing resin treatment n-butyl alcohol to produce waste liquid the most according to claim 1, its
It is characterised by: described resin needs to carry out pretreatment before using.
A kind of method utilizing resin treatment n-butyl alcohol to produce waste liquid the most according to claim 1, its
It is characterised by: described pretreatment is specially and uses the hot water of 50～60 DEG C repeatedly to clean the tree preparing to use
Fat；With concentration be 4～5% sodium hydroxide solution slowly flow across resin, with the bed of per hour 1.5 times
Volume flows through；With concentration be 4～5% hydrochloric acid solution flow through resin, with the bed body of per hour 1.5 times
Amass and flow through；With concentration be 4～5% sodium hydroxide solution flow through resin；With deionized water rinsing to water outlet
When pH value is 6～7, can use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160356.0A CN105732326A (en) | 2016-03-18 | 2016-03-18 | Method for treating n-butyl alcohol production wastewater by resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160356.0A CN105732326A (en) | 2016-03-18 | 2016-03-18 | Method for treating n-butyl alcohol production wastewater by resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105732326A true CN105732326A (en) | 2016-07-06 |
Family
ID=56250893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610160356.0A Pending CN105732326A (en) | 2016-03-18 | 2016-03-18 | Method for treating n-butyl alcohol production wastewater by resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105732326A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718024A (en) * | 2020-06-11 | 2020-09-29 | 湖北平安电工股份有限公司 | Method for extracting n-butanol from hydrochloric acid-containing wastewater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101300211A (en) * | 2005-11-01 | 2008-11-05 | 旭化成化学株式会社 | Processes for production of isobutene and tertiary butanol |
| CN102372595A (en) * | 2010-08-06 | 2012-03-14 | 南京工业大学 | Method for separating butanol |
| CN104974013A (en) * | 2015-05-28 | 2015-10-14 | 南京工业大学 | Process for separating butanol fermentation liquor by using continuous chromatography technology |
-
2016
- 2016-03-18 CN CN201610160356.0A patent/CN105732326A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101300211A (en) * | 2005-11-01 | 2008-11-05 | 旭化成化学株式会社 | Processes for production of isobutene and tertiary butanol |
| CN102372595A (en) * | 2010-08-06 | 2012-03-14 | 南京工业大学 | Method for separating butanol |
| CN104974013A (en) * | 2015-05-28 | 2015-10-14 | 南京工业大学 | Process for separating butanol fermentation liquor by using continuous chromatography technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718024A (en) * | 2020-06-11 | 2020-09-29 | 湖北平安电工股份有限公司 | Method for extracting n-butanol from hydrochloric acid-containing wastewater |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160706 |