CN101734769A - Green alga scavenging agent and preparation method thereof - Google Patents

Abstract

The invention discloses a green alga scavenging agent and a preparation method thereof. The green alga scavenging agent is prepared by mixing an extracting solution prepared from mineral substance raw materials of silicate, wheat spot stone, loess, kaolin, sericite and zeolite and an extracting solution prepared from plant raw materials of chestnut, oak, green tea trees, persimmon, ash and pine trees in the volume ratio of 1:1. A plant sterilizing solution contains mixture tannin with sterilizing capacity and decomposing capacity, and therefore, green algae and other nutrient substances can be rapidly decomposed. A mineral substance solution can absorb particles and poisonous substances generated by decomposition, and the particles and the poisonous substances are discharged by green alga suspended matters, thereby thoroughly cleaning the green algae in water, reducing the content of the nutrient substances, breaking the living environment of the green algae, preventing the green algae from greatly increasing, fundamentally eradicating the pollution of the green alga and really achieving the goal of treating the primary and the secondary aspects at the same time. The green alga scavenging agent is a novel environment-friendly product which is safe and environmental-friendlywithout secondary pollution, fills the blank of the scavenging agent and has wide application range.

Description

Green alga scavenging agent and preparation method thereof

One, technical field

The invention belongs to environmental technology field, be specifically related to a kind of scavenging agent of removing the water green algae and preparation method thereof that is used to.

Two, background technology

Green alga belongs to unicellular spherical algae, is a kind of vegetalitas planktonic organism that lives in the fresh water, and diameter has only several microns, and size is approximately identical with red blood corpuscle.Lake water or river green algae meeting raised growth in the nutritive substance surplus make the color of water become green.Green alga roll up oxygen in can consume water, make fish and other biological hypoxia death in the water, cause lake water, river smelly, the ecotope in waters is seriously damaged, promptly so-called green alga pollution.At present, also do not eradicate the method for water green algae, just the mode with artificial circulation or direct oxygenation is the lake water supplemental oxygen, to alleviate the smelly of lake water or river.But this method is only cured the symptoms, not the disease, and wastes time and energy, and effect also is difficult to lastingly.

Three, summary of the invention

The purpose of this invention is to provide a kind of green alga scavenging agent and preparation method thereof, adopt this scavenging agent can remove green alga in the water effectively, the problems that fundamentally solve green alga pollution and brought.

For achieving the above object, the present invention's technical scheme of getting is:

One, the present invention---green alga scavenging agent is made by following preparation method.

The preparation method of two, the present invention---green alga scavenging agent comprises the steps:

A, produce mineral solution:

1) takes by weighing raw material according to weight percent: silicate 20-30%, wheat spot stone 20-30%, loess 20-30%, kaolin 8-10%, sericite 4-5%, zeolite 8-10%;

2) pulverising step 1) raw material that takes by weighing, standby with the above screen cloth of the 300 orders back of sieving;

3) with step 2) the gained material mixes with 100 ℃ of water according to the solid-to-liquid ratio of 2ml/g, stirs after 4-6 hour, leaves standstill 2-3 hour, makes the mixed solution precipitated and separated, gets the mineral solution on upper strata;

B, produce plant sterilization liquid:

1) takes by weighing raw material according to weight percent: chestnut wood 25-30%, oak 18-25%, green tea trees 18-25%, persimmon trees 8-10%, rainwater in puddles trees 8-10%, pine tree wood 8-10%; Above-mentioned chestnut wood, oak, green tea trees, persimmon trees, rainwater in puddles trees, pine tree wood are meant the tree bar part of this tree;

2) the raw material washing that step 1) is taken by weighing after the oven dry, is ground into 10mm ³Fragment is standby;

3) with step 2) the gained material mixes with water according to the solid-to-liquid ratio of 2ml/g, this mixed solution is carried out 1-2 hour ultrasonic vibration after, sieve plant sterilization liquid.

C, with mineral solution and plant sterilization liquid that above-mentioned A step and B step are extracted, mix promptly according to 1: 1 volume ratio.

The characteristic of the mineral raw material that the present invention adopts is as follows:

Silicate (SiO ₃) have the function of decomposing organic substance in the water quality, be nuisanceless purification agent.Silicate is the soda ash material, can make water quality become limpider.

Wheat spot stone belongs to the remedies of quartz porphyry, belongs to granodiorite-porphyry in the volcanic rock kind, and mainly becoming is silicon-dioxide and aluminum oxide, and contains a spot of ferric oxide.Ten thousand micropores of 3-15 are arranged on every square centimeter the wheat spot stone, have extremely strong adsorptive power, can adsorb and dispose toxic substance or the nutritive substance that is contained in the water.Also have the effect of exchange and ionized metal, can eliminate the heavy metal in the water, usually as water quality cleansing agent.

Loess is that particle diameter is the calcareous settling of 0.002-0.005mm, and this calcium carbonate is made of quartz, pyroxene and ore deposit hornblende, has function of detoxification, can adsorb and remove deleterious particulate matter.

Kaolin is the feldspar of kinds such as the feldspar, potash feldspar, albite, lime feldspar in the rock, the earth that is decomposed to form under the effect of water and carbonic acid.Main component is kaolinite (Al ₂O ₃2SiO ₂2H ₂O) and halloysite (Al ₂O ₃SiO ₂4H ₂O), its function and loess are close.

Sericite is the general name of the dense or cataphracted white mica of quality, and chemical ingredients and white mica have absorption, remove the function of poisonous substance matter and deodorization much at one, can emit a large amount of ultraviolet rays and negative electricity ion under the state of nature.

Zeolite is the general name of the silicic acid alumina hydrate mineral substance of alkali or alkaline-earth metal.Bonded is more open between each atom in the crystallization of zeolites structure, has the function of absorption and removing stink, particulate matter and toxicant, is a kind of ideal sorbent material.And has the molecular sieve effect of decomposing the different-grain diameter particulate matter.

The using method of green alga scavenging agent of the present invention is: earlier the ratio of this scavenging agent according to water 50ml per ton dropped in lake water or the river, the green alga suspended substance of pulling out in the water after 15 days gets final product.

Green alga scavenging agent of the present invention is that the extracting solution by pure natural mineral substance and plant mixes.Contain mixture tannin (tannin) in the plant sterilization liquid, can decompose green alga and other nutritive substance apace with sterilization and capacity of decomposition.Mineral solution can adsorb decomposing the particulate and the toxicant that produce, discharges by the green alga suspended substance.Not only make the green alga in the water be able to thorough removing, and reduced concentrations of nutrient, destroyed the living environment of green alga, avoided rolling up of green alga, fundamentally stopped the generation of green alga pollution, really accomplished to treat both principal and secondary aspect of disease.Al in the mineral solution ₂O ₃, SiO3 not only can react with the materials such as nitrogen, phosphorous salts and hydrogen sulfide in the water and adsorption removal, also can be with heavy metal and radioactive substance adsorption removals such as the copper in the water, aluminium, iron, lead.Mineral solution produces has former ultraviolet ray and negative electricity ion antibiotic, germicidal action, also the bacterium that produces foul smell in the water thoroughly can be removed.

The present invention is a kind of novel close environmental product, and safety and environmental protection does not have secondary pollution, has filled up the blank of this type of scavenging agent, has wide range of applications.

The contriver has carried out the contrast experiment:

1, experimentation: 1. gather and throw in preceding water quality data; 2. throw in lake water according to the ratio of water 50ml per ton, pull the green alga suspended substance after 15 days out; 3. gather and throw in the back water quality data.

2, experimental result: shown in following table 1,2,3,4.

Table 1:

Project	Before the input	After the input	Increase and decrease (per-cent)
				Total nitrogen T-N (mg/l)	??28.9	??18.5	??-36％
Total phosphorus content T-P (mg/l)	??3.62	??1.2	??-67％

Table 2:

Project	Before the input	After the input	Increase and decrease (per-cent)
				Chlorophyll-a (mg/l)	?880.197	?8.461	??-99％
Moss	Many	Pettiness	??-
				Green alga	Common	No	??-
Sharpness	1 yuan of copper coin can not be differentiated (depth of water 50cm)	1 yuan of copper coin high-visible (depth of water 100cm)	??-

Table 3:

Project	Before the input	After the input	Increase and decrease (per-cent)
				Oxygen owning amount DO (mg/l)	??0.65	??6.4	??+984.6％

Table 4:

Project	Before the input	After the input	Increase and decrease (per-cent)
				Chemical oxygen demand COD (mg/l)	??74.6	??20.3	??-73％
Water quality biochemical oxygen demand (BOD) BOD (mg/l)	??82	??18.6	??-77％

From experimental result as can be known, contaminated lake water is after throwing in this scavenging agent, and green alga is removed fully, and other index also obtains corresponding improvement.

Four, embodiment

Embodiment 1:A, produce mineral solution:

1) takes by weighing raw material: silicate 25g, wheat spot stone 25g, loess 25g, kaolin 10g, sericite 5, zeolite 10;

2) pulverising step 1) raw material that takes by weighing, standby with the above screen cloth of the 300 orders back of sieving;

3) with step 2) the gained material mixes with 100 ℃ of water according to the solid-to-liquid ratio of 2ml/g, stirs after 5 hours, leaves standstill 2 hours, makes the mixed solution precipitated and separated, removes throw out, gets the mineral solution on upper strata.

B, produce plant sterilization liquid:

1) takes by weighing raw material according to weight percent: chestnut wood 25g, oak 25g, green tea trees 20g, persimmon trees 10g, rainwater in puddles trees 10g, pine tree wood 10g;

2) the raw material washing that step 1) is taken by weighing after the oven dry, is ground into 10mm ³Fragment is standby;

3) with step 2) the gained material mixes with water according to the solid-to-liquid ratio of 2ml/g, this mixed solution is carried out 1 hour ultrasonic vibration after, go out impurity with mesh screen, plant sterilization liquid.

C, with mineral solution and plant sterilization liquid that above-mentioned A step and B step are extracted, mix promptly according to 1: 1 volume ratio.

Embodiment 2:

A, produce mineral solution:

1) takes by weighing raw material: silicate 30g, wheat spot stone 30g, loess 20g, kaolin 8g, sericite 4g, zeolite 8g;

2) pulverising step 1) raw material that takes by weighing, standby with the above screen cloth of the 300 orders back of sieving;

3) with step 2) after the gained material mixes with 100 ℃ of water according to the solid-to-liquid ratio of 2ml/g and stir 6 hours, left standstill 3 hours, make the mixed solution precipitated and separated, remove throw out, get the mineral solution on upper strata.

B, produce plant sterilization liquid:

1) takes by weighing raw material according to weight percent: chestnut wood 30g, oak 25g, green tea trees 21g, persimmon trees 8g, rainwater in puddles trees 8g, pine tree wood 8g;

2) the raw material washing that step 1) is taken by weighing after the oven dry, is ground into 10mm ³Fragment is standby;

3) with step 2) the gained material mixes with water according to the solid-to-liquid ratio of 2ml/g, this mixed solution is carried out 2 hours ultrasonic vibration after, go out impurity with mesh screen, plant sterilization liquid is stand-by.

C, with mineral solution and plant sterilization liquid that above-mentioned A step and B step are produced, mix promptly according to 1: 1 volume ratio.

Claims (2)

1. the preparation method of a green alga scavenging agent is characterized in that comprising the steps:

A, produce mineral solution:

1) takes by weighing raw material according to weight percent: silicate 20-30%, wheat spot stone 20-30%, loess 20-30%, kaolin 8-10%, sericite 4-5%, zeolite 8-10%;

2) pulverising step 1) raw material that takes by weighing, standby with the above screen cloth of the 300 orders back of sieving;

3) with step 2) the gained material mixes with 100 ℃ of water according to the solid-to-liquid ratio of 2ml/g, stirs after 4-6 hour, leaves standstill 2-3 hour, makes the mixed solution precipitated and separated, gets the mineral solution on upper strata.

B, produce plant sterilization liquid:

1) takes by weighing raw material according to weight percent: chestnut wood 25-30%, oak 18-25%, green tea trees 18-25%, persimmon trees 8-10%, rainwater in puddles trees 8-10%, pine tree wood 8-10%; Above-mentioned chestnut wood, oak, green tea trees, persimmon trees, rainwater in puddles trees, pine tree wood are meant the tree bar part of this tree;

2) the raw material washing that step 1) is taken by weighing after the oven dry, is ground into 10mm ³Fragment is standby;

3) with step 2) the gained material mixes with water according to the solid-to-liquid ratio of 2ml/g, this mixed solution is carried out 1-2 hour ultrasonic vibration after, sieve plant sterilization liquid.

C, with mineral solution and plant sterilization liquid that above-mentioned A step and B step are extracted, mix promptly according to 1: 1 volume ratio.

2. green alga scavenging agent of method preparation according to claim 1.