CN105905975A - Attapulgite sewage treatment agent and production method - Google Patents

Attapulgite sewage treatment agent and production method Download PDF

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Publication number
CN105905975A
CN105905975A CN201610487103.4A CN201610487103A CN105905975A CN 105905975 A CN105905975 A CN 105905975A CN 201610487103 A CN201610487103 A CN 201610487103A CN 105905975 A CN105905975 A CN 105905975A
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CN
China
Prior art keywords
attapulgite
clay
adjuvant
production method
treating agent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610487103.4A
Other languages
Chinese (zh)
Inventor
秦月琴
任飞
孙忠伟
明桂林
吴海东
王前
张传琦
牛杏杏
王赞
王代飞
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ANHUI JINLIAN GEOLOGY AND MINERAL RESOURCES TECHNOLOGY Co Ltd
Original Assignee
ANHUI JINLIAN GEOLOGY AND MINERAL RESOURCES TECHNOLOGY Co Ltd
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Filing date
Publication date
Application filed by ANHUI JINLIAN GEOLOGY AND MINERAL RESOURCES TECHNOLOGY Co Ltd filed Critical ANHUI JINLIAN GEOLOGY AND MINERAL RESOURCES TECHNOLOGY Co Ltd
Priority to CN201610487103.4A priority Critical patent/CN105905975A/en
Publication of CN105905975A publication Critical patent/CN105905975A/en
Pending legal-status Critical Current

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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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/42—Materials comprising a mixture of inorganic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
    • B01J2220/4831—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton having been subjected to further processing, e.g. paper, cellulose pulp
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4875—Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
    • B01J2220/4881—Residues from shells, e.g. eggshells, mollusk shells

Abstract

The invention discloses an attapulgite sewage treatment agent and a production method thereof. The attapulgite sewage treatment agent is prepared from the following raw materials in parts by weight: 50-80 parts of attapulgite clay and 20-50 parts of auxiliary materials. The production method comprises the following process steps: modification treatment of the attapulgite clay, modified treatment of the auxiliary materials and preparation of a finished product. The attapulgite sewage treatment agent is prepared from the attapulgite clay and natural fiber auxiliary materials as raw materials; the manufacturing technology is simple; the cost is low; after modified treatment, the attapulgite sewage treatment agent has relatively high adsorption capacity on toxic materials in water; the adsorption efficiency of the toxic materials in water are strengthened by activated carbon formed in the modifying process; and the used raw material source also has advantages.

Description

A kind of attapulgite sewage-treating agent and production method
Technical field
The invention belongs to technical field of sewage, particularly relate to a kind of attapulgite sewage-treating agent and Production method.
Background technology
In China, annual discharged volume of industrial waste water reaches 40,000,000,000 tons, has half in the seven big water systems of the whole nation Section exceeded standard by organic pollution or heavy metal pollution, section, the city water pollution of 86%.At present, Energy-saving and emission-reduction work is to maintain the fast-developing important hands survived safely with people's health in residential environment of Economic Sustainability Section, promotes in all trades and professions energetically.And pesticide, printing and dyeing, petrochemical industry, coking, pharmacy, make Containing substantial amounts of synthetic organic pesticide, dyestuff in waste water produced by Zhi Deng heavily contaminated manufacturing enterprise, have Machine cyanide, polycyclic aromatic hydrocarbon, heterocycle compound, chlorinated aromatic compound, plasticizer etc. are poisonous, The material of bio-refractory, the process to this kind of waste water now still lacks economy and efficient practicality processes Technique, this will exacerbate the pollution to environment and seriously hinder sustainable economic development.
Process at present this kind of poisonous, adsorption treatment method that bio-refractory waste water technique mainly has physics, The main active charcoal of traditional adsorbent, adsorbance is big, processes the cycle short, and selectivity is little, but valency Lattice are high, and the required energy consumption of regeneration is big, it is difficult to regeneration cycle uses.
Summary of the invention
It is an object of the invention to provide a kind of attapulgite sewage-treating agent and production method, by using Attapulgite clay and natural fiber matter adjuvant are that raw material is made, and manufacturing process is simple, high adsorption capacity, Solve existing use activated carbon process sewage cost height, regeneration energy consumption is big and is difficult to repetitive cycling The problem used.
For solving above-mentioned technical problem, the present invention is achieved by the following technical solutions:
The present invention is a kind of attapulgite sewage-treating agent, counts by weight, including: attapulgite glues 50 parts～80 parts of soil, adjuvant 20 parts～50 parts；
This sewage-treating agent prepares through the following steps: (1) is by attapulgite clay grinding and sieving； Then being poured into equipped with in the reactor of acid solution, addition, to be totally submerged as degree, stirs Certain time；Take out reactant centrifugation and be washed to pH value for neutrality；Then by centrifugal clay With containing Cu2+Solution mixing, stirring reaction certain time；(2) by the adjuvant pulverized and phosphoric acid solution It is uniformly mixed, filters after soaking certain time；Then much filtrate is washed to pH value for neutrality； (3) clay processed through step (1) is put into blender with the adjuvant processed through step (2) In, to take out after stirring certain time, and proceed in roaster, the most airtight roasting is certain Product is i.e. prepared after time.
The production method of a kind of attapulgite sewage-treating agent, specifically includes following steps:
Step 1, the modification of attapulgite clay
300～1500 mesh sieves are crossed after being pulverized by attapulgite clay；Then it is poured into equipped with concentration For 2mol/L～3.5mol/L acid reactor in, addition be totally submerged for degree, stirring 2h～ 10h；Take out reactant centrifugation and be washed to pH value for neutrality；Then by centrifugal clay with Concentration is the Cu of 0.5mol/L～3.0mol/L2+Solution mixes, stirring reaction 2h～4h；
Step 2, the modification of adjuvant
It is 20%～80% by being crushed to adjuvant that fineness is 100 mesh～600 mesh with mass percent concentration Phosphoric acid solution by weight 1:(2.0～4.0) be uniformly mixed, soak at 60 DEG C～90 DEG C Filter after 1h～9h；Then much filtrate is washed to pH value for neutrality；
Step 3, the preparation of finished product
Modification clay is put in blender with modified both adjuvants, wherein, the proportion of modified adjuvant It is 20%～50%, quickly stirs under the high rotating speed of 2000r/min～3600r/min 30min～70min, takes out, and proceeds in roaster, at 400 DEG C～550 DEG C airtight roasting 2h～ Product it is after 5h.
Further, described attapulgite clay is a kind of crystalloid water with attapulgite as key component Close zeopan clay mineral, there is a layer chain structure feature.
Further, the acid that described attapulgite clay chemical modification is used is sulphuric acid or nitric acid or salt Acid or phosphoric acid.
Further, the Cu in described step 12+Solution is copper chloride solution or copper-bath or two kinds The combination of solution.
Further, the adjuvant in described step 2 is rice husk or wheat shell or wood flour or paper scrap or Semen Maydis Core.
The method have the advantages that
The present invention is that raw material is made by using attapulgite clay and natural fiber matter adjuvant, manufacturing process Simply, low cost；After modification, there is stronger absorbability for the noxious substance in water； The activated carbon that raw material is formed in modifying process strengthens it to the adsorption of noxious substance in water；Used Raw material sources also have advantage.
Certainly, the arbitrary product implementing the present invention it is not absolutely required to reach all the above simultaneously Advantage.
Detailed description of the invention
Embodiment 1
First, weigh 500g attapulgite clay, cross 300 mesh sieves.Then it is poured into equipped with 500ml Concentration is in the hydrochloric acid reaction device of 2mol/L, takes out, after centrifugation and by acid after stirring reaction 10h Change clay being washed with water to pH value is neutrality, standby；In the reactor, by gluing after peracid treatment Soil 100g Yu 500mL concentration is the CuSO of 0.5mol/L4Solution mixes, and filters after stirring reaction 4h Separating, solid much filtrate is standby；
Then, the wood flour after pulverizing crosses 100 mesh sieves, weighs 50g in container, is subsequently adding 100g Mass percent concentration is the phosphoric acid solution of 20%, after being uniformly mixed, soaks 9h at 60 DEG C, Take out after being acidified wood flour and filtering standby.
Finally, above-mentioned chemical modification of day 80g and modified wood chips 16g is joined in blender, Take out after stirring 70min under the rotating speed of 2000r/min and be transferred to roaster, airtight at 400 DEG C Roasting 5h i.e. obtains product.
Embodiment 2
First, weigh 500g attapulgite clay, cross 800 mesh sieves.Then it is poured into equipped with 500ml Concentration is in the sulfuric acid reaction device of 2.5mol/L, takes out after stirring reaction 6h, and centrifugation also will It is neutrality that acid-treated clay is washed with water to pH value, standby；In the reactor, by after peracid treatment Clay 100g and 500mL concentration are the CuSO of 2mol/L4Solution mixes, low rate mixing reaction 3h Rear filtration separates, and solid much filtrate is standby；
Then, the wheat shell after pulverizing crosses 300 mesh sieves, weighs 50g in container, is subsequently adding 150g mass percent concentration is the phosphoric acid solution of 50%, after being uniformly mixed, soaks at 70 DEG C 5h, standby after taking out acidifying wheat shell and filtering.
Finally, above-mentioned chemical modification of day 90g and modified wheat shell 27g is joined in blender, Take out after stirring 50min under the rotating speed of 3000r/min and be transferred to roaster, close at 450 DEG C Close roasting 3.5h and i.e. obtain product.
Embodiment 3
First, weigh 500g attapulgite clay, cross 1500 mesh sieves.Then it is poured into equipped with 500ml Concentration is in the salpeter solution reactor of 3.5mol/L, takes out after stirring reaction 2h, and centrifugation is also It is neutrality that acid-treated clay is washed with water to pH value, standby；In the reactor, will be after peracid treatment Clay 100g and 500mL concentration be the CuSO of 3.0mol/L4Solution mixes, stirring reaction 2h Rear filtration separates, and solid much filtrate is standby；
Then, the rice husk after pulverizing crosses 600 mesh sieves, weighs 50g in container, is subsequently adding 200g Mass percent concentration is the phosphoric acid solution of 80%, after being uniformly mixed, soaks 1h at 90 DEG C, Take out after being acidified rice husk and filtering standby.
Finally, above-mentioned chemical modification of day 80g is joined in blender with modified rice husk 40g, Take out after stirring 30min under the rotating speed of 3600r/min and be transferred to roaster, airtight at 550 DEG C Roasting 2h i.e. obtains product.
It is last it should be noted that present invention disclosed above preferred embodiment is only intended to help to illustrate The present invention.Preferred embodiment does not has all of details of detailed descriptionthe, is not intended to this invention yet and is only institute The detailed description of the invention stated.Obviously, according to the content of this specification, can make many modifications and variations. These embodiments are chosen and specifically described to this specification, be in order to preferably explain the principle of the present invention and Actual application, so that skilled artisan can be best understood by and utilize the present invention.This Invention is only limited by claims and four corner thereof and equivalent.

Claims (6)

1. an attapulgite sewage-treating agent, it is characterised in that: count by weight, including: concavo-convex Rod stone clay 50 parts～80 parts, adjuvant 20 parts～50 parts；
This sewage-treating agent prepares through the following steps: (1) is by attapulgite clay grinding and sieving； Then being poured into equipped with in the reactor of acid solution, addition, to be totally submerged as degree, stirs Certain time；Take out reactant centrifugation and be washed to pH value for neutrality；Then by centrifugal clay With containing Cu2+Solution mixing, stirring reaction certain time；(2) by the adjuvant pulverized and phosphoric acid solution It is uniformly mixed, filters after soaking certain time；Then much filtrate is washed to pH value for neutrality； (3) clay processed through step (1) is put into blender with the adjuvant processed through step (2) In, to take out after stirring certain time, and proceed in roaster, the most airtight roasting is certain Product is i.e. prepared after time.
2. a production method for attapulgite sewage-treating agent as claimed in claim 1, its feature exists In: the method comprises the following steps:
Step one, the modification of attapulgite clay
300～1500 mesh sieves are crossed after being pulverized by attapulgite clay；Then it is poured into equipped with concentration For 2mol/L～3.5mol/L acid reactor in, addition be totally submerged for degree, stirring 2h～ 10h；Take out reactant centrifugation and be washed to pH value for neutrality；Then by centrifugal clay with Concentration is the Cu of 0.5mol/L～3.0mol/L2+Solution mixes, stirring reaction 2h～4h；
Step 2, the modification of adjuvant
It is 20%～80% by being crushed to adjuvant that fineness is 100 mesh～600 mesh with mass percent concentration Phosphoric acid solution by weight 1:(2.0～4.0) be uniformly mixed, soak at 60 DEG C～90 DEG C Filter after 1h～9h；Then much filtrate is washed to pH value for neutrality；
Step 3, the preparation of finished product
Modification clay is put in blender with modified both adjuvants, wherein, the proportion of modified adjuvant It is 20%～50%, quickly stirs under the high rotating speed of 2000r/min～3600r/min 30min～70min, takes out, and proceeds in roaster, at 400 DEG C～550 DEG C airtight roasting 2h～ Product it is after 5h.
The production method of a kind of attapulgite sewage-treating agent the most according to claim 2, its feature It is: described attapulgite clay is a kind of crystalloid hydration magnalium silicon with attapulgite as key component Silicate clay mineral, have a layer chain structure feature.
The production method of a kind of attapulgite sewage-treating agent the most according to claim 2, its feature It is: the acid that described attapulgite clay chemical modification is used is sulphuric acid or nitric acid or hydrochloric acid or phosphoric acid.
The production method of a kind of attapulgite sewage-treating agent the most according to claim 2, its feature It is: the Cu in described step 12+Solution is copper chloride solution or copper-bath or the group of two kinds of solution Close.
The production method of a kind of attapulgite sewage-treating agent the most according to claim 2, its feature It is: the adjuvant in described step 2 is rice husk or wheat shell or wood flour or paper scrap or corn cob.
CN201610487103.4A 2016-06-27 2016-06-27 Attapulgite sewage treatment agent and production method Pending CN105905975A (en)

Priority Applications (1)

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CN201610487103.4A CN105905975A (en) 2016-06-27 2016-06-27 Attapulgite sewage treatment agent and production method

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Application Number Priority Date Filing Date Title
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CN105905975A true CN105905975A (en) 2016-08-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111732156A (en) * 2020-07-29 2020-10-02 东北农业大学 Method for inhibiting release of polycyclic aromatic hydrocarbons in rice and crab co-culture paddy field sediment polluted by medium and light polycyclic aromatic hydrocarbons
CN115812857A (en) * 2022-12-02 2023-03-21 湖北润泛生物科技有限公司 Feed additive and preparation method and application thereof
CN115812857B (en) * 2022-12-02 2024-05-14 湖北润泛生物科技有限公司 Feed additive and preparation method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103301803A (en) * 2013-06-27 2013-09-18 武汉科梦环境工程有限公司 Preparation method of attapulgite-modified clay for ammonia-nitrogen wastewater treatment
CN103896377A (en) * 2013-10-29 2014-07-02 东南大学 Raw material for preparing town sewage treating agent and preparation method thereof
CN105289472A (en) * 2015-11-19 2016-02-03 兰州坤仑环保科技有限公司 Honeycomb attapulgite ceramsite diesel oil desulfurizer
CN105668737A (en) * 2016-01-28 2016-06-15 叶君芝 Sewage treatment agent based on attapulgite clay

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103301803A (en) * 2013-06-27 2013-09-18 武汉科梦环境工程有限公司 Preparation method of attapulgite-modified clay for ammonia-nitrogen wastewater treatment
CN103896377A (en) * 2013-10-29 2014-07-02 东南大学 Raw material for preparing town sewage treating agent and preparation method thereof
CN105289472A (en) * 2015-11-19 2016-02-03 兰州坤仑环保科技有限公司 Honeycomb attapulgite ceramsite diesel oil desulfurizer
CN105668737A (en) * 2016-01-28 2016-06-15 叶君芝 Sewage treatment agent based on attapulgite clay

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111732156A (en) * 2020-07-29 2020-10-02 东北农业大学 Method for inhibiting release of polycyclic aromatic hydrocarbons in rice and crab co-culture paddy field sediment polluted by medium and light polycyclic aromatic hydrocarbons
CN115812857A (en) * 2022-12-02 2023-03-21 湖北润泛生物科技有限公司 Feed additive and preparation method and application thereof
CN115812857B (en) * 2022-12-02 2024-05-14 湖北润泛生物科技有限公司 Feed additive and preparation method and application thereof

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Application publication date: 20160831