CN105198030B - A kind of method of chlorion in utilization garlic waste removing water - Google Patents

A kind of method of chlorion in utilization garlic waste removing water Download PDF

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Publication number
CN105198030B
CN105198030B CN201410264357.0A CN201410264357A CN105198030B CN 105198030 B CN105198030 B CN 105198030B CN 201410264357 A CN201410264357 A CN 201410264357A CN 105198030 B CN105198030 B CN 105198030B
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silver ion
garlic
garlic waste
water
chlorion
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CN105198030A (en
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黄凯
杨云峰
赵婉合
李茂�
张丹
辛胜朋
朱鸿民
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University of Science and Technology Beijing USTB
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University of Science and Technology Beijing USTB
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Abstract

The method that the present invention provides chlorion in a kind of utilization garlic waste removing water, belongs to the adsorbing and removing technical field of chlorion in water.Garlic waste sorbent material is carried out Contact-sorption reaction by this method with the aqueous solution containing finite concentration silver ion, obtains the garlic waste biomass absorbent material of load silver ion;By the garlic waste biomass absorbent material of prepared load silver ion, after carrying out haptoreaction for a period of time with the aqueous solution containing chlorion, you can reach the purpose of chlorion in removing water.The garlic waste biomass absorbent material of the load silver ion reacted passes through subsequent treatment, can reclaim silver in powder form.This method is simple, easy, and significantly, adsorption operations are very easy for adsorption effect, and new impurity will not be introduced to pending water source, and the absorption dechlorination time is short, is easy to extensive implementation.

Description

A kind of method of chlorion in utilization garlic waste removing water
Technical field
The present invention relates to the adsorbing and removing technical field of chlorion in water, one kind is particularly related to using garlic waste removing The method of chlorion in water.
Background technology
Chlorion is common a kind of anion in water, and its concentration causes drinking water poor taste, metal water delivery compared with Gao Shihui The problems such as corrosive pipeline, therefore there are many occasions to have the demand for removing chlorion in water in industrial quarters and life.
There is the method for chlorion in common removing water:1) precipitation method:Precipitating reagent is done using silver nitrate, by the chlorine in water from Son filtering and removing in the way of precipitating.The effect of this method removing chloride ion is good, and shortcoming is also obvious, such as nitric acid argentum reagent compared with Expensive, precipitation particles is often very tiny to cause separation of solid and liquid difficult, and in order to ensure that it is many that chlorion removal effect often has Remaining silver ion is remained in water and causes secondary pollution, and silver nitrate can also bring nitrate anion into as antichlor in addition, and feedwater is made Into secondary pollution and the content of nitrogen in water is increased, although therefore this method principle is simple, it is still limited using scope. 2) ion-exchange:Chlorion is removed using resin anion (R.A.), the method is simple, convenient, but to the friendship of chlorion Changing operation needs complicated early stage pretreatment, and the cleanliness factor to water etc. requires higher, otherwise can block resin micropore and Dechlorination is caused to fail, therefore there is also certain limitation.3) membrane separating method:Using the method for electrodialysis or counter-infiltration by chlorine Ion is removed, and this method removing chloride ion effect is good, but electrodialysis or reverse osmosis unit is more expensive, maintenance cost is also higher, limit It has been made to widely use.4) Electro Sorb method:Apply the chlorion in an external electric field, forced water to the aqueous solution towards with opposite Electrode movement, the concentration of electric charge and remove, with dechlorination effect is good, the low advantage of operating cost, but the power consumption of its operation compared with Greatly, special device is needed.Therefore, exploiting economy, advanced technology that is efficient, easily removing chlorion in water are very necessary.
The invention discloses one kind using garlic waste be raw material, to prepare sorbing material, dedicated for chlorine in water from The deep removal of son, the dechlorination effect with highly significant.
The content of the invention
The technical problem to be solved in the present invention is to provide the method for chlorion in a kind of utilization garlic waste removing water.
This method is concretely comprised the following steps:
First, 0.1mol/L nitric acid silver ion solution is taken, gold is adjusted with 0.1mol/L nitric acid and sodium hydroxide solution The pH for belonging to solion is that after 4~5, nitrogen gas stirring or logical nitrogen use mechanical agitation 30min simultaneously, with every liter of silver nitrate from Sub- solution adds 20~50g consumption, adds garlic waste sorbing material, continue under the conditions of lucifuge stirring reaction 10~ After 24h, sorbing material is filtered, after distillation water washing 3 times, 6h is dried in the baking oven for being put into 60 DEG C, gained dries adsorbent powder End is the garlic waste biomass absorbent material of load silver ion;
Then, the garlic waste biomass absorbent material of load silver ion is added 0.1 with every liter of chloride ion-containing waste water ~150g consumption is added in waste water, after 10~100min of mechanical agitation or air stirring, filtering, reach removing water in chlorine from The purpose of son;
Finally, the garlic waste biomass absorbent material ammoniacal liquor of the load silver ion after filtering soaked, stir 30 After~50min, filtering, addition hydrazine hydrate, potassium borohydride, formaldehyde, ascorbic acid, sodium hypophosphite are gone back in obtained filtrate Former agent, is heated to after 40~60 DEG C, and insulation reaction 60min filters, obtains silver powder again;After obtained silver powder nitric acid dissolves, Continue on for preparing the garlic waste biomass absorbent material of load silver ion.
Wherein, the preparation method for the garlic waste sorbing material that the above method is used is according to patent No. ZL: Prepared by the method disclosed in 201210019530.1, contain-COOH ,-SH ,-NH2 ,-(phenol) OH isoreactivity work(after will washing The biomass that can be rolled into a ball, such as garlic residue, mangosteen slag, marine alga, vinasse, tangerine slag, apple skin, pomelo peel and alkali, water are according to 1:0.05- 0.2:0.5-2 mass ratio is stirred hybrid reaction, stirs 12~24 hours, and filtering obtains solid product, wherein, it is described Alkali is lithium, sodium, potassium, calcium, the oxide of magnesium, hydroxide, carbonate, bicarbonate or ammonium carbonate, ammonium hydrogen carbonate, urea, ammonia One or two or more kinds of mixing in water;Above solid product is washed with water until neutral, feeding vacuum drying oven, is 60 in temperature ~120 DEG C of dryings, drying object is smashed, sieved, and the following powder collection of 40 mesh obtains biomass absorbent agent material.
The above-mentioned technical proposal of the present invention has the beneficial effect that:
In such scheme, the preparation method of sorbing material is simple, easy, and significantly, adsorption operations are very easy for adsorption effect, Avoid directly using various shortcoming of the silver nitrate as antichlor, new impurity will not be introduced to pending water source, and Adsorb the dechlorination time very short, it is only necessary to several minutes;Silver-colored chlorine compound after absorption, the method that powder reducing process can be used Reclaimed, and circulate the preparation of the biomass absorbent material for load silver ion, so as to greatly reduce silver as absorption The cost of material.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with specific implementation Example is described in detail.
The present invention is for the existing method for removing chlorion in water using being limited in scope, and there is provided one for the problems such as cost is high Plant the method that chlorion in water is removed using garlic waste.
Embodiment 1
2 liters of the nitric acid silver ion solution of 0.1mol/L concentration is prepared, is adjusted with 0.1mol/L nitric acid and sodium hydroxide solution The pH for saving metal ion solution is after 4, nitrogen gas stirring or logical nitrogen simultaneously using mechanical agitation 30min after, input 200 mesh grain The garlic waste adsorbent 100g of degree, continues to react 24h, is operated during whole adsorption reaction in the environment of lucifuge, will Absorbent filtering, after distillation water washing 3 times, is put into 60 DEG C of baking oven and dries 6 hours, it is negative that gained, which dries absorbent powder, The dechlorination agent material of silver ion is carried.
500 milliliters of aqueous solution, wherein chloride ion-containing 1000mg/L are taken, negative silver-colored garlic waste absorption powder material 3 is added Gram, stirring reaction is after 30 minutes, filtering, and it is 60mg/L to measure chloride ion-containing concentration in the solution after absorption, it is seen that the dechlorination is inhaled Significantly, dechlorination rate is up to more than 94% for attached dose of effect.
By the adsorbent being collected by filtration, after 1mol/L 50 milliliters of immersions of ammoniacal liquor, stirring 30min, filtering, by filtrate 5 milliliters of hydrazine hydrates of middle addition, are heated to insulation reaction 60min after 50 DEG C, and filtering can obtain silver powder.0.1mol/L concentration is used again The mixing of 50 milliliters of nitric acid, the garlic waste biomass absorbent material for continuing to prepare load silver ion.
Embodiment 2
2 liters of the nitric acid silver ion solution of 0.1mol/L concentration is prepared, is adjusted with 0.1mol/L nitric acid and sodium hydroxide solution The pH for saving metal ion solution is after 5, nitrogen gas stirring or logical nitrogen simultaneously using mechanical agitation 30min after, input 40 mesh grain The garlic waste adsorbent 50g of degree, continues to react 24h, operates, will be inhaled in the environment of lucifuge during whole adsorption reaction Attached dose of filtering, after distillation water washing 3 times, is put into hot blast in 60 DEG C of baking oven and dries 6 hours, gained dries absorbent powder and is The dechlorination agent material of silver ion is loaded.
500 milliliters of aqueous solution, wherein chloride ion-containing 1000mg/L are taken, negative silver-colored garlic waste absorption powder material 3 is added Gram, stirring reaction is after 30 minutes, filtering, and it is 28mg/L to measure chloride ion-containing concentration in the solution after absorption, it is seen that the dechlorination is inhaled Significantly, dechlorination rate is up to more than 97% for attached dose of effect.
By the adsorbent being collected by filtration, after 1mol/L 50 milliliters of immersions of ammoniacal liquor, stirring 30min, filtering, by filtrate 5 milliliters of hydrazine hydrates of middle addition, are heated to insulation reaction 60min after 50 DEG C, and filtering can obtain silver powder.0.1mol/L concentration is used again The mixing of 50 milliliters of nitric acid, the garlic waste biomass absorbent material for continuing to prepare load silver ion.
Embodiment 3
2 liters of the nitric acid silver ion solution of 0.1mol/L concentration is prepared, is adjusted with 0.1mol/L nitric acid and sodium hydroxide solution The pH for saving metal ion solution is after 4.6, nitrogen gas stirring or logical nitrogen simultaneously using mechanical agitation 30min after, put into 300 mesh After garlic waste the adsorbent 60g, stirring reaction 10h of granularity, operated during whole adsorption reaction in the environment of lucifuge, By absorbent filtering, after distillation water washing 3 times, 6h is dried in the baking oven for being put into 60 DEG C, it is negative that gained, which dries absorbent powder, The dechlorination agent material of silver ion is carried.
500 milliliters of aqueous solution, wherein chloride ion-containing 1000mg/L are taken, negative silver-colored garlic waste absorption powder material 3 is added Gram, stirring reaction is after 30 minutes, filtering, and it is 15mg/L to measure chloride ion-containing concentration in the solution after absorption, it is seen that the dechlorination is inhaled Significantly, dechlorination rate is up to more than 98% for attached dose of effect.
By the adsorbent being collected by filtration, after 1mol/L 50 milliliters of immersions of ammoniacal liquor, stirring 30min, filtering, by filtrate 3 grams of sodium hypophosphites of middle addition, are heated to insulation reaction 60min after 50 DEG C, and filtering can obtain silver powder.It is dense with 0.1mol/L again 50 milliliters of the nitric acid mixing of degree, the garlic waste biomass absorbent material for continuing to prepare load silver ion.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (1)

1. a kind of method of chlorion in utilization garlic waste removing water, it is characterised in that:
First, 0.1mol/L nitric acid silver ion solution is taken, with 0.1mol/L nitric acid and 0.1mol/L sodium hydroxide solution The pH for adjusting metal ion solution is that after 4~5, nitrogen gas stirring or logical nitrogen use mechanical agitation 30min, every liter of nitric acid simultaneously 20~50g garlic waste sorbing material is added in silver ion solution, is continued after 10~24h of stirring reaction, by sorbing material Filtering, after distillation water washing 3 times, dries 6h, it is load silver ion that gained, which dries absorbent powder, in the baking oven for being put into 60 DEG C Garlic waste biomass absorbent material;
Then, every liter of chloride ion-containing waste water adds the garlic waste biomass absorbent that 0.1~150g is the load silver ion After material, 10~100min of mechanical agitation or air stirring, filtering reaches the purpose of chlorion in removing water;
Finally, the garlic waste biomass absorbent material ammoniacal liquor of the load silver ion after filtering is soaked, stir 30~ After 50min, one in hydrazine hydrate, potassium borohydride, formaldehyde, ascorbic acid, sodium hypophosphite is added in filtering in obtained filtrate Plant and make reducing agent, be heated to after 40~60 DEG C, insulation reaction 60min filters, obtains silver powder again;Obtained silver powder nitric acid After dissolving, continue on for preparing the garlic waste biomass absorbent material of load silver ion;
The garlic waste biomass absorbent material for preparing load silver ion is carried out under conditions of lucifuge;
The preparation method of described garlic waste sorbing material is:By the garlic residue after washing and alkali, water according to 1:0.05- 0.2:0.5-2 mass ratio is stirred hybrid reaction, stirs 12~24 hours, and filtering obtains solid product, wherein, it is described Alkali is lithium, sodium, potassium, calcium, the oxide of magnesium, hydroxide, carbonate, bicarbonate or ammonium carbonate, ammonium hydrogen carbonate, urea, ammonia One or two or more kinds of mixing in water;Above solid product is washed with water until neutral, feeding vacuum drying oven, is 60 in temperature ~120 DEG C of dryings, drying object is smashed, sieved, and the following powder collection of 40 mesh obtains garlic waste sorbing material.
CN201410264357.0A 2014-06-13 2014-06-13 A kind of method of chlorion in utilization garlic waste removing water Expired - Fee Related CN105198030B (en)

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CN105771922A (en) * 2016-05-25 2016-07-20 北京科技大学 Preparation and application methods of copper ion adsorbent
CN108970586A (en) * 2017-05-31 2018-12-11 南京博络金环保科技有限公司 A method of utilizing low-concentration ammonia-nitrogen in biological adsorption removing water body
CN109331787B (en) * 2018-10-22 2021-03-16 北京科技大学 Method for manufacturing section bar capable of simultaneously sterilizing and removing heavy metal
CN109331786B (en) * 2018-10-22 2021-06-01 北京科技大学 Method for preparing sterilizing water purification material by using garlic straw waste
CN109289786B (en) * 2018-10-22 2020-12-08 北京科技大学 Preparation and use method of adsorption material for simultaneously removing anions and cations in water
CN109289783B (en) * 2018-10-22 2021-03-05 北京科技大学 Arsenic-removing compound adsorbing material prepared from garlic straw waste and using method

Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2009098083A (en) * 2007-10-19 2009-05-07 National Institute For Materials Science Iodine storage body
CN102557181A (en) * 2012-01-20 2012-07-11 北京科技大学 Method for adsorption and removal of heavy metals and dye of waste water by garlic waste
CN103371429A (en) * 2012-04-22 2013-10-30 朱大恒 Tobacco dechlorinating method, application of tobacco dechlorinating method and tobacco dechlorinating device
CN103831086A (en) * 2012-11-19 2014-06-04 株式会社东芝 Halogen adsorbent, tank for water treatment, and water treatment system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009098083A (en) * 2007-10-19 2009-05-07 National Institute For Materials Science Iodine storage body
CN102557181A (en) * 2012-01-20 2012-07-11 北京科技大学 Method for adsorption and removal of heavy metals and dye of waste water by garlic waste
CN103371429A (en) * 2012-04-22 2013-10-30 朱大恒 Tobacco dechlorinating method, application of tobacco dechlorinating method and tobacco dechlorinating device
CN103831086A (en) * 2012-11-19 2014-06-04 株式会社东芝 Halogen adsorbent, tank for water treatment, and water treatment system

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