CN102153113A - Process for producing mirabilite type bittern, sodium carbonate, sodium chloride, sodium sulfate and ammonium chloride - Google Patents

Process for producing mirabilite type bittern, sodium carbonate, sodium chloride, sodium sulfate and ammonium chloride Download PDF

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CN102153113A
CN102153113A CN2011100487945A CN201110048794A CN102153113A CN 102153113 A CN102153113 A CN 102153113A CN 2011100487945 A CN2011100487945 A CN 2011100487945A CN 201110048794 A CN201110048794 A CN 201110048794A CN 102153113 A CN102153113 A CN 102153113A
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sodium
chloride
mother liquor
chlor
ammonia
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CN102153113B (en
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彭赛军
彭志成
袁建军
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China Zhongqing International Engineering Co Ltd
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China Zhongqing International Engineering Co Ltd
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Abstract

The invention provides a process for producing mirabilite type bittern, sodium carbonate, sodium chloride, sodium sulfate and ammonium chloride. The process comprises the following steps of: performing double decomposition reaction by using mirabilite type bittern, ammonia and carbon dioxide as raw materials, and then separating the reaction products to obtain sodium bicarbonate and sodium bicarbonate mother solution; performing preheating and high-temperature ammonia removal on the sodium bicarbonate mother solution to obtain ammonia removed mother solution; separating the ammonia removed mother solution through a nano-filtration membrane to obtain denitration seeped clear solution and mirabilite rich concentrated solution; performing high-temperature evaporation and separation on the mirabilite rich concentrated solution to obtain solid sodium sulfate and mirabilite preparation mother solution, and circularly mixing the mirabilite preparation mother solution and the ammonia removed mother solution to perform the nano-filtration membrane separation process; performing high-temperature evaporation and separation on the denitration seeped clear solution and the circular ammonium preparation mother solution to obtain solid sodium chloride and salt preparation mother solution; performing low-temperature evaporation and separation on the salt preparation mother solution to obtain solid ammonium chloride and ammonium preparation mother solution; and mixing the ammonium preparation mother solution and the denitration seeped clear solution, and performing circular evaporation and separation to obtain solid sodium chloride and salt preparation mother solution. The process has the characteristics of high main product and byproduct quality, low steam energy consumption and production cost, no three-waste discharge in closed cycle and the like.

Description

Saltcake type bittern co-produced sodium carbonate, sodium-chlor, sodium sulfate, ammonia chloride craft
Technical field
The invention belongs to field of inorganic chemical engineering, is saltcake type bittern co-produced sodium carbonate, sodium-chlor, sodium sulfate, ammonia chloride craft, and described saltcake type bittern is meant that sodium chloride-containing is that master, sodium sulfate are the bittern of assisting.
Background technology
Known is that raw material production soda ash technology mainly contains solvay soda process and cold process connection alkaline process with sodium-chlor, wherein, there is raw material sodium-chlor utilization ratio low (utilization ratio of sodium is about 75%, the utilization ratio of chlorine be 0%) in solvay soda process, it is very big that solvay liquor (containing a large amount of calcium chloride, sodium-chlor) is discharged system quantities, waste resource, the new environmental pollution of formation, can not directly adopt saltcake type bittern is the raw material problem; It need the employing solid sodium chloride be raw material that cold process connection alkaline process exists, the raw materials cost height, and cold analysis salting-out crystallization ammonium chloride power consumption height, it is big to analyse ammonium Recycling Mother Solution amount, and can not directly adopt saltcake type bittern is the raw material problem.Therefore, above-mentioned technology is used in actual production all limitation.
Summary of the invention
The objective of the invention is at the problems referred to above; propose new to produce yellow soda ash, sodium-chlor, sodium sulfate, ammonia chloride craft with saltcake type bittern; can directly be raw material with bittern; adopt solvay soda process or connection alkaline process to produce yellow soda ash; the deamination mother liquor adopts embrane method and method of evaporation separating sodium sulfate; the deamination mother liquor adopts method of evaporation to separate sodium-chlor, ammonium chloride; production process cuts down the consumption of energy significantly and cost directly obtains sodium-chlor, sodium sulfate, ammonium chloride; no mother liquor discharging solves environment protection, is the production technique of energy-saving and emission-reduction.
For reaching above-mentioned goal of the invention, the present invention by the following technical solutions:
This saltcake type bittern co-produced sodium carbonate, sodium-chlor, sodium sulfate, ammonia chloride craft, it may further comprise the steps:
(1), it is saltcake type bittern and the ammonia (NH that assists based on sodium chloride-containing, sodium sulfate 3), carbonic acid gas (CO 2) for carrying out separating after the replacement(metathesis)reaction, raw material obtains solid sodium bicarbonate (NaHCO 3) and contain ammonium chloride (NH 4Cl), sodium sulfate (Na 2SO 4), sodium-chlor (NaCl), bicarbonate of ammonia (NH 4HCO 3), volatile salt ((NH 4) 2CO 3) heavy alkali liquor;
(2), will weigh alkali liquor preheating high temperature removal bicarbonate of ammonia (NH 4HCO 3), volatile salt ((NH 4) 2CO 3) after obtain containing ammonium chloride (NH 4Cl), sodium sulfate (Na 2SO 4), the deamination mother liquor of sodium-chlor (NaCl);
(3), the deamination mother liquor obtains containing a small amount of sodium sulfate (Na through behind the nanofiltration membrane separation 2SO 4) and ammonium chloride (NH 4Cl), sodium-chlor (NaCl) is that main denitration is oozed out clear liquid and contained volume sodium sulfate (Na 2SO 4), ammonium chloride (NH 4Cl), the rich nitre concentrated solution of sodium-chlor (NaCl);
(4), rich nitre concentrated solution high temperature evaporation separation obtains solid sodium sulfate (Na 2SO 4) and system nitre mother liquor, system nitre Recycling Mother Solution to deamination mother liquor is mixed into the nanofiltration membrane separation operation;
(5), denitration is oozed out clear liquid and is separated with system ammonium mother liquor high temperature evaporation and obtain solid sodium chloride and salt-making mother liquor;
(6), the separation of salt-making mother liquor low-temperature evaporation obtains solid ammonium chloride and system ammonium mother liquor;
(7), system ammonium mother liquor and denitration are oozed out the mixed circulating and evaporating of clear liquid and are separated and obtain solid sodium chloride and salt-making mother liquor;
(8), solid sodium bicarbonate (NaHCO 3) be converted into solid sodium carbonate (Na after the calcining 2CO 3).
A kind of NaCl-H 2O system and ammonia, carbonic acid gas are raw material production yellow soda ash, sodium-chlor, sodium sulfate, ammonia chloride craft, and it may further comprise the steps:
(1), it is that raw material carries out separating the acquisition solid sodium bicarbonate and containing ammonium chloride and the heavy alkali liquor of sodium-chlor after the replacement(metathesis)reaction with sodium chloride-containing bittern and ammonia, carbonic acid gas;
(2), will weigh the deamination mother liquor that obtains containing ammonium chloride, sodium-chlor behind alkali liquor preheating high temperature removal bicarbonate of ammonia, the volatile salt;
(3), the separation of deamination mother liquor high temperature evaporation obtains solid sodium chloride and salt-making mother liquor;
(4), the separation of salt-making mother liquor low-temperature evaporation obtains solid ammonium chloride and system ammonium mother liquor;
(5), be converted into solid sodium carbonate after the solid sodium bicarbonate calcining.
The present invention be one with NaCl-Na 2SO 4-H 2O system saltcake type bittern (NaCl 200-330g/l, Na 2SO 41.0-90g/l) and ammonia (NH 3), carbonic acid gas (CO 2) be raw material production yellow soda ash, sodium-chlor, sodium sulfate, ammonia chloride craft, this technology takes that to contain sodium-chlor (NaCl) be main, sodium sulfate (Na 2SO 4) be saltcake type bittern and the ammonia (NH that assists 3), carbonic acid gas (CO 2) for carrying out replacement(metathesis)reaction (temperature of reaction 15-50 ℃) back, raw material separates acquisition solid sodium bicarbonate (NaHCO 3) and contain ammonium chloride, sodium sulfate, sodium-chlor (NaCl 50-200g/l, Na 2SO 41.0-90g/l, NH 4Cl 100-250g/l) and a small amount of bicarbonate of ammonia (NH 4HCO 3), volatile salt ((NH 4) 2CO 3) heavy alkali liquor; Heavy alkali liquor preheating high temperature (temperature 55-150 ℃) removes bicarbonate of ammonia (NH 4HCO 3), volatile salt ((NH 4) 2CO 3) after obtain containing ammonium chloride (NH 4Cl 100-250g/l, Na 2SO 41.0-90g/l, NaCl50-200g/l) the deamination mother liquor; The deamination mother liquor obtains containing a small amount of sodium sulfate (Na through behind the nanofiltration membrane separation 2SO 41.0-10g/l) and ammonium chloride (NH 4Cl 100-250g/l), sodium-chlor (NaCl50-200g/l) is that clear liquid is oozed out in main denitration, contains volume sodium sulfate (Na 2SO 470-100g/l), ammonium chloride (NH 4Cl 50-200g/l), the rich nitre concentrated solution of sodium-chlor (NaCl 10-150g/l); Rich nitre concentrated solution high temperature (temperature 55-150 ℃) evaporation separation obtains solid sodium sulfate (Na 2SO 4) and system nitre mother liquor (Na 2SO 410-60g/l, NH 4Cl 70-240g/l, NaCl 30-190g/l), system nitre Recycling Mother Solution to deamination mother liquor is mixed into the nanofiltration membrane separation operation; Denitration is oozed out clear liquid high temperature (temperature 55-150 ℃) evaporation separation and is obtained solid sodium chloride and salt-making mother liquor (NH 4Cl 300-550g/l, NaCl 70-200g/l); Salt-making mother liquor low temperature (temperature 15-70 ℃) evaporation separation obtains solid ammonium chloride and system ammonium mother liquor (NH 4Cl 100-300g/l, NaCl50-300g/l); System ammonium mother liquor oozes out the mixed circulating and evaporating of clear liquid with denitration and separates sodium-chlor; Sodium bicarbonate (NaHCO 3) be converted into yellow soda ash (Na after the calcining 2CO 3).
This technology also can be used for NaCl-H 2O system and ammonia (NH 3), carbonic acid gas (CO 2) be raw material production yellow soda ash, salt sodium-chlor, sodium sulfate, ammonium chloride.
The Nanofiltering membrane separating sodium sulfate is a prior art, and nanofiltration membrane market is on sale.
Advantage of the present invention is: have major-minor quality product height; Liquid brine saltcake type is directly as the raw material of producing yellow soda ash, salt, nitre, ammonium chloride product, and raw material adapts to very strong; Energy consumption and characteristics such as production cost is low, closed cycle three-waste free discharge such as steam.
Description of drawings
Fig. 1: process flow diagram of the present invention
As shown in Figure 1,1 for inhaling the ammonia operation, and 2 is carbonation process, and 3 is separation circuit, and 4 is the deamination operation, 5 is the nanofiltration membrane separation operation, and 6 is the high temperature evaporation operation, and 7 is separation circuit, and 8 is the low-temperature evaporation operation, 9 is separation circuit, and 10 is the high temperature evaporation operation, and 11 is separation circuit, and 12 is calcination process.
Embodiment
Embodiment 1:
Get 100m 3NaCl-Na 2SO 4-H 2O system saltcake type bittern (NaCl 300g/l, Na 2SO 420g/l) and ammonia (NH 3), carbonic acid gas (CO 2) separate 43.45 tons of acquisition solid sodium bicarbonates and contain ammonium chloride, sodium sulfate and sodium-chlor and a small amount of bicarbonate of ammonia (NH for raw material carries out replacement(metathesis)reaction (40 ℃ of temperature of reaction) back 4HCO 3), volatile salt ((NH 4) 2CO 3) heavy alkali liquor 100m 3(NaCl 71g/l, Na 2SO 420g/l, NH 4Cl 179g/l, small amount of N H 4HCO 3(NH 4) 2CO 3); Heavy alkali liquor preheating high temperature (100 ℃ of temperature) removes bicarbonate of ammonia (NH 4HCO 3), volatile salt ((NH 4) 2CO 3) after obtain containing ammonium chloride (NH 4Cl 179g/l, Na 2SO 420g/l, NaCl 71g/l) deamination mother liquor 100m 3Deamination mother liquor and circulation system nitre mother liquor obtain containing a small amount of sodium sulfate (Na through behind the nanofiltration membrane separation 2SO 41.0g/l) and ammonium chloride (NH 4Cl 186g/l), sodium-chlor (NaCl 74g/l) is that clear liquid is oozed out in main denitration, contains volume sodium sulfate (Na 2SO 490g/l), ammonium chloride (NH 4Cl 172g/l), the rich nitre concentrated solution of sodium-chlor (NaCl 68g/l); Rich nitre concentrated solution high temperature (130 ℃ of temperature) evaporation, separation obtain 2.00 tons of nitre (Na of product 2SO 4) and system nitre mother liquor (Na 2SO 420g/l, NH 4Cl 222g/l, NaCl 88g/l), system nitre Recycling Mother Solution and deamination mother liquor are mixed into nanofiltration membrane separation; Clear liquid high temperature (130 ℃ of temperature) evaporation is oozed out in denitration, separation obtains 30 tons of sodium-chlor and salt-making mother liquor (NH 4Cl 436g/l, NaCl 00g/l); Salt-making mother liquor low temperature (50 ℃ of temperature) evaporation, separation obtain 27.41 tons of ammonium chlorides and system ammonium mother liquor (NH 4Cl 274g/l, NaCl 70g/l); System ammonium mother liquor oozes out the mixed circulating and evaporating of clear liquid with denitration and separates sodium-chlor; 43.45 ton sodium bicarbonate (NaHCO 3) be converted into 27.41 tons of yellow soda ash (Na after the calcining 2CO 3).
Embodiment 2:
Get 100m 3NaCl-Na 2SO 4-H 2O system saltcake type bittern (NaCl 270g/l, Na 2SO 418g/l) and ammonia (NH 3), carbonic acid gas (CO 2) separate 39.11 tons of acquisition solid sodium bicarbonates and contain ammonium chloride, sodium sulfate and sodium-chlor and a small amount of bicarbonate of ammonia (NH for raw material carries out replacement(metathesis)reaction (40 ℃ of temperature of reaction) back 4HCO 3), volatile salt ((NH 4) 2CO 3) heavy alkali liquor 100m 3(NaCl 72g/l, Na 2SO 418g/l, NH 4Cl 180g/l, small amount of N H 4HCO 3(NH 4) 2CO 3); Heavy alkali liquor preheating high temperature (100 ℃ of temperature) removes bicarbonate of ammonia (NH 4HCO 3), volatile salt ((NH 4) 2CO 3) after obtain containing ammonium chloride (NH 4Cl 180g/l, Na 2SO 418g/l, NaCl 72g/l) deamination mother liquor 100m 3Deamination mother liquor and circulation system nitre mother liquor obtain containing a small amount of sodium sulfate (Na through behind the nanofiltration membrane separation 2SO 42.0g/l) and ammonium chloride (NH 4Cl 185g/l), sodium-chlor (NaCl 73g/l) is that clear liquid is oozed out in main denitration, contains volume sodium sulfate (Na 2SO 493g/l), ammonium chloride (NH 4Cl 170g/l), the rich nitre concentrated solution of sodium-chlor (NaCl 67g/l); Rich nitre concentrated solution high temperature (135 ℃ of temperature) evaporation separation obtains 1.80 tons of nitre (Na of product 2SO 4) and system nitre mother liquor (Na 2SO 417g/l, NH 4Cl 224g/l, NaCl 89g/l), system nitre Recycling Mother Solution and deamination mother liquor are mixed into the nanofiltration membrane separation operation; Denitration is oozed out clear liquid high temperature (135 ℃ of temperature) evaporation separation and is obtained 30 tons of sodium-chlor and salt-making mother liquor (NH 4Cl 440g/l, NaCl 96g/l); Salt-making mother liquor low temperature (45 ℃ of temperature) evaporation separation obtains 24.67 tons of ammonium chlorides and system ammonium mother liquor (NH 4Cl 270g/l, NaCl 74g/l); System ammonium mother liquor oozes out the mixed circulating and evaporating of clear liquid with denitration and separates sodium-chlor; 39.11 ton sodium bicarbonate (NaHCO 3) be converted into 24.67 tons of yellow soda ash (Na after the calcining 2CO 3).
Embodiment 3:
Get 100m 3NaCl-Na 2SO 4-H 2O system saltcake type bittern (NaCl 330g/l, Na 2SO 422g/l) and ammonia (NH 3), carbonic acid gas (CO 2) separate 47.80 tons of acquisition solid sodium bicarbonates and contain ammonium chloride, sodium sulfate and sodium-chlor and a small amount of bicarbonate of ammonia (NH for raw material carries out replacement(metathesis)reaction (40 ℃ of temperature of reaction) back 4HCO 3), volatile salt ((NH 4) 2CO 3) heavy alkali liquor 100m 3(NaCl 70g/l, Na 2SO 422g/l, NH 4Cl 180g/l, small amount of N H 4HCO 3(NH 4) 2CO 3); Heavy alkali liquor preheating high temperature (100 ℃ of temperature) removes bicarbonate of ammonia (NH 4HCO 3), volatile salt ((NH 4) 2CO 3) after obtain containing ammonium chloride (NH 4Cl 180g/l, Na 2SO 422g/l, NaCl 70g/l) deamination mother liquor 100m 3Deamination mother liquor and circulation system nitre mother liquor obtain containing a small amount of sodium sulfate (Na through behind the nanofiltration membrane separation 2SO 41.5g/l) and ammonium chloride (NH 4Cl 185.5g/l), sodium-chlor (NaCl 73.5g/l) is that clear liquid is oozed out in main denitration, contains volume sodium sulfate (Na 2SO 4100g/l), ammonium chloride (NH 4Cl 165g/l), the rich nitre concentrated solution of sodium-chlor (NaCl 65g/l); Rich nitre concentrated solution high temperature (130 ℃ of temperature) evaporation separation obtains 2.20 tons of nitre (Na of product 2SO 4) and system nitre mother liquor (Na 2SO 420g/l, NH 4Cl 222g/l, NaCl 88g/l), system nitre Recycling Mother Solution and deamination mother liquor are mixed into the nanofiltration membrane separation operation; Denitration is oozed out clear liquid high temperature (130 ℃ of temperature) evaporation separation and is obtained 33 tons of sodium-chlor and salt-making mother liquor (NH 4Cl 436g/l, NaCl 00g/l); Salt-making mother liquor low temperature (50 ℃ of temperature) evaporation separation obtains 30.15 tons of ammonium chlorides and system ammonium mother liquor (NH 4Cl 274g/l, NaCl 70g/l); System ammonium mother liquor oozes out the mixed circulating and evaporating of clear liquid with denitration and separates sodium-chlor; 47.69 ton sodium bicarbonate (NaHCO 3) be converted into 30.15 tons of yellow soda ash (Na after the calcining 2CO 3).

Claims (7)

1. a saltcake type bittern co-produced sodium carbonate, sodium-chlor, sodium sulfate, ammonia chloride craft, it is characterized in that: it may further comprise the steps:
(1), it is that the saltcake type bittern of assisting is that raw material carries out separating the heavy alkali liquor that obtains solid sodium bicarbonate and contain ammonium chloride, sodium sulfate, sodium-chlor, bicarbonate of ammonia, volatile salt after the replacement(metathesis)reaction with ammonia, carbonic acid gas based on sodium chloride-containing, sodium sulfate;
(2), will weigh the deamination mother liquor that obtains containing ammonium chloride, sodium sulfate, sodium-chlor behind alkali liquor preheating high temperature removal bicarbonate of ammonia, the volatile salt;
(3), the deamination mother liquor is that main denitration is oozed out clear liquid and contained the rich nitre concentrated solution of volume sodium sulfate, ammonium chloride, sodium-chlor through obtaining containing a small amount of sodium sulfate and ammonium chloride, sodium-chlor behind the nanofiltration membrane separation;
(4), rich nitre concentrated solution high temperature evaporation separates and to obtain solid sodium sulfate and system nitre mother liquor, system nitre Recycling Mother Solution to deamination mother liquor is mixed into the nanofiltration membrane separation operation;
(5), denitration is oozed out clear liquid and is separated with circulation system ammonium mother liquor high temperature evaporation and obtain solid sodium chloride and salt-making mother liquor;
(6), the separation of salt-making mother liquor low-temperature evaporation obtains solid ammonium chloride and system ammonium mother liquor;
(7), that clear liquid is oozed out in system ammonium mother liquor and denitration is mixed, the circulating and evaporating separation obtains solid sodium chloride and salt-making mother liquor;
(8), be converted into solid sodium carbonate after the solid sodium bicarbonate calcining.
2. NaCl-H 2O system and ammonia, carbonic acid gas are raw material production yellow soda ash, sodium-chlor, sodium sulfate, ammonia chloride craft, and it is characterized in that: it may further comprise the steps:
(1), it is that raw material carries out separating the acquisition solid sodium bicarbonate and containing ammonium chloride and the heavy alkali liquor of sodium-chlor after the replacement(metathesis)reaction with sodium chloride-containing bittern and ammonia, carbonic acid gas;
(2), will weigh the deamination mother liquor that obtains containing ammonium chloride, sodium-chlor behind alkali liquor preheating high temperature removal bicarbonate of ammonia, the volatile salt;
(3), the separation of deamination mother liquor high temperature evaporation obtains solid sodium chloride and salt-making mother liquor;
(4), the separation of salt-making mother liquor low-temperature evaporation obtains solid ammonium chloride and system ammonium mother liquor;
(5), be converted into solid sodium carbonate after the solid sodium bicarbonate calcining.
3. saltcake type bittern co-produced sodium carbonate according to claim 1, sodium-chlor, sodium sulfate, process for producing chloride is characterized in that: the saltcake type bittern of sodium chloride-containing, sodium sulfate and ammonia, carbonic acid gas are that the temperature that raw material carries out replacement(metathesis)reaction is 15-50 ℃.
4. according to claim 1 or 3 described saltcake type bittern co-produced sodium carbonates, sodium-chlor, sodium sulfate, process for producing chloride, it is characterized in that: heavy alkali liquor preheating pyritous temperature is 55-150 ℃.
5. according to claim 1 or 3 described saltcake type bittern co-produced sodium carbonates, sodium-chlor, sodium sulfate, process for producing chloride, it is characterized in that: the temperature of rich nitre concentrated solution high temperature evaporation is 55-150 ℃.
6. produce yellow soda ash, sodium-chlor, sodium sulfate, process for producing chloride according to claim 1 or 3 described saltcake type bittern, it is characterized in that: denitration is oozed out the isolating temperature 55-150 of clear liquid high temperature evaporation ℃.
7. according to claim 1 or 3 described saltcake type bittern co-produced sodium carbonates, sodium-chlor, sodium sulfate, process for producing chloride, it is characterized in that: the isolating temperature of salt-making mother liquor low-temperature evaporation is 15-70 ℃.
CN201110048794.5A 2011-03-01 2011-03-01 Process for producing mirabilite type bittern, sodium carbonate, sodium chloride, sodium sulfate and ammonium chloride Active CN102153113B (en)

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CN102616891A (en) * 2011-12-31 2012-08-01 广东先导稀材股份有限公司 Method for treating sewage containing sodium sulfate and sodium chloride
CN102838134A (en) * 2012-09-17 2012-12-26 广州新普利节能环保科技有限公司 Sal prunella coproduction technology and device adopting sodium sulfate type bittern mechanical vapour recompression method
WO2013181827A1 (en) * 2012-06-07 2013-12-12 Ge Wenyu Method and device for producing plant nitrogen fertilizer nutritive solution with seawater as raw material
CN103880046A (en) * 2014-03-17 2014-06-25 中国中轻国际工程有限公司 Technology for co-production of sodium carbonate, sodium chloride and ammonium chloride through calcium type rock salt brine and flue gas of boiler
CN104355326A (en) * 2014-10-16 2015-02-18 中国中轻国际工程有限公司 Thermal circulation technology of utilizing sodium sulfate solution or carrier to cogenerate sodium carbonate and ammonium sulfate
CN104528771A (en) * 2014-12-09 2015-04-22 天津渤化永利化工股份有限公司 Desalting and reusing method of high-salinity heavy ash mother liquor in combined-soda system
CN105000579A (en) * 2014-04-22 2015-10-28 中国中轻国际工程有限公司 Technology for combined production of sodium carbonate and ammonium chloride through sodium sulfate type brine thermal cycle method
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CN109608409A (en) * 2018-10-23 2019-04-12 中国中轻国际工程有限公司 A kind of ammonia chloride craft containing cyanuric acid of brine production containing cyanuric acid
CN112624160A (en) * 2020-12-17 2021-04-09 宝武水务科技有限公司 Method for extracting lithium carbonate from carbonate type salt lake brine
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270023A (en) * 1992-10-30 1993-12-14 May Frank H Process for producing sodium carbonate, sodium bicarbonate and associated compounds
CN1180322A (en) * 1995-04-17 1998-04-29 凯梅蒂克斯国际有限公司 Nanofiltration of concentrated aqueous salt solutions
CN1775679A (en) * 2005-12-09 2006-05-24 程培胜 New method for joint-producing anhydrous sodium carbonate, potassium sulfate and ammonia chloride
CN101837995A (en) * 2009-03-18 2010-09-22 中国中轻国际工程有限公司 NaCl-Na2SO4-H2O system and process for producing NaHCO3, NH4Cl and NaCl from NH4HCO3

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270023A (en) * 1992-10-30 1993-12-14 May Frank H Process for producing sodium carbonate, sodium bicarbonate and associated compounds
CN1180322A (en) * 1995-04-17 1998-04-29 凯梅蒂克斯国际有限公司 Nanofiltration of concentrated aqueous salt solutions
CN1775679A (en) * 2005-12-09 2006-05-24 程培胜 New method for joint-producing anhydrous sodium carbonate, potassium sulfate and ammonia chloride
CN101837995A (en) * 2009-03-18 2010-09-22 中国中轻国际工程有限公司 NaCl-Na2SO4-H2O system and process for producing NaHCO3, NH4Cl and NaCl from NH4HCO3

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
肖峰等: "脱硝工艺的工业运用", 《天津化工》 *

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CN102616891A (en) * 2011-12-31 2012-08-01 广东先导稀材股份有限公司 Method for treating sewage containing sodium sulfate and sodium chloride
WO2013181827A1 (en) * 2012-06-07 2013-12-12 Ge Wenyu Method and device for producing plant nitrogen fertilizer nutritive solution with seawater as raw material
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CN104355326A (en) * 2014-10-16 2015-02-18 中国中轻国际工程有限公司 Thermal circulation technology of utilizing sodium sulfate solution or carrier to cogenerate sodium carbonate and ammonium sulfate
CN104528771A (en) * 2014-12-09 2015-04-22 天津渤化永利化工股份有限公司 Desalting and reusing method of high-salinity heavy ash mother liquor in combined-soda system
CN104528771B (en) * 2014-12-09 2016-08-31 天津渤化永利化工股份有限公司 A kind of connection alkali system high salt weight ash mother solution desalination reuse method
CN107720784A (en) * 2016-08-11 2018-02-23 北京阳光欣禾科技有限公司 A kind of process using mixed salt solution alkaline
CN106865579B (en) * 2017-02-16 2018-08-10 中国中轻国际工程有限公司 Well mine sea lake salt brine thermal cycling method ammonia integrated soda production
CN106865579A (en) * 2017-02-16 2017-06-20 中国中轻国际工程有限公司 Well ore deposit sea lake salt bittern thermal cycling method ammonia integrated soda production
CN107128952A (en) * 2017-04-11 2017-09-05 中国中轻国际工程有限公司 A kind of bittern of salt made from earth containing a comparatively high percentage of sodium chloride containing sodium bicarbonate production sodium acid carbonate technique
CN107128952B (en) * 2017-04-11 2019-05-07 中国中轻国际工程有限公司 A kind of brine of salt made from earth containing a comparatively high percentage of sodium chloride containing sodium bicarbonate production sodium bicarbonate technique
CN108409050A (en) * 2018-04-17 2018-08-17 杭州碟滤膜技术有限公司 A kind of Zero-discharge treating process of high-salt wastewater
CN108409050B (en) * 2018-04-17 2020-12-25 杭州碟滤膜技术有限公司 Zero-emission treatment process for high-salinity wastewater
CN109608409A (en) * 2018-10-23 2019-04-12 中国中轻国际工程有限公司 A kind of ammonia chloride craft containing cyanuric acid of brine production containing cyanuric acid
CN109354038A (en) * 2018-10-24 2019-02-19 湖北云应矿业技术开发有限公司 A kind of saline and alkaline joint preparation process based on ammonia-soda process
CN109384250A (en) * 2018-11-20 2019-02-26 黄河三角洲京博化工研究院有限公司 A method of mixing sodium salt direct utilization
CN112624160A (en) * 2020-12-17 2021-04-09 宝武水务科技有限公司 Method for extracting lithium carbonate from carbonate type salt lake brine
CN112624160B (en) * 2020-12-17 2023-02-28 宝武水务科技有限公司 Method for extracting lithium carbonate from carbonate type salt lake brine
CN113479909A (en) * 2021-08-04 2021-10-08 自然资源部天津海水淡化与综合利用研究所 Method for efficiently separating and comprehensively utilizing mixed salt
CN113479909B (en) * 2021-08-04 2022-09-09 自然资源部天津海水淡化与综合利用研究所 Method for efficiently separating and comprehensively utilizing mixed salt
CN113912084A (en) * 2021-12-09 2022-01-11 中国科学院过程工程研究所 Method for preparing sodium carbonate, ammonium sulfate and ammonium chloride by using mixed salt of sodium sulfate and sodium chloride
CN113912084B (en) * 2021-12-09 2022-03-04 中国科学院过程工程研究所 Method for preparing sodium carbonate, ammonium sulfate and ammonium chloride by using mixed salt of sodium sulfate and sodium chloride
CN114715920A (en) * 2022-06-07 2022-07-08 中国科学院过程工程研究所 Method for preparing sodium carbonate and co-producing ammonium sulfate and ammonium chloride by using mixed sodium salt
CN115351032A (en) * 2022-08-22 2022-11-18 宁夏瑞泰科技股份有限公司 Method for recycling industrial waste salt

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