CN108441022A - A kind of preparation method of biology base deinking agent - Google Patents

A kind of preparation method of biology base deinking agent Download PDF

Info

Publication number
CN108441022A
CN108441022A CN201810396949.6A CN201810396949A CN108441022A CN 108441022 A CN108441022 A CN 108441022A CN 201810396949 A CN201810396949 A CN 201810396949A CN 108441022 A CN108441022 A CN 108441022A
Authority
CN
China
Prior art keywords
mixed
bentonite
deinking agent
biology base
parts
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.)
Withdrawn
Application number
CN201810396949.6A
Other languages
Chinese (zh)
Inventor
钱万琦
杨明忠
张建初
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810396949.6A priority Critical patent/CN108441022A/en
Publication of CN108441022A publication Critical patent/CN108441022A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D9/00Chemical paint or ink removers
    • C09D9/005Chemical paint or ink removers containing organic solvents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The present invention relates to secondary stock processing technology fields, and in particular to a kind of preparation method of biology base deinking agent.The present invention is with gum rosin,Palmitic acid and cocinic acid are biomass material,Cellulase and laccase are as biological enzyme,Bentonite is as porous carrier,And it is aided with borax and absolute ethyl alcohol etc. and biology base deinking agent is prepared,Porous bentonite powder is obtained as raw material using bentonite and waste gypsum first,After gum rosin is heated and softened again mixed melting liquid is mixed to get with palm oil and coconut oil,Itself and bentonite powder are mixed to get aliphatic acid,Aliphatic acid is adsorbed at the active site corroded,It prevents from corroding further generation,Extend the service life of paper,Continue in porous bentonite powder area load cellulase and laccase,These enzymes pass through lignin or cellulose remaining in degradation of fibers,Weaken the mutual combination of surface microfibre,Further increase the deinking performance of biology base deinking agent,It is environment friendliness,It is with a wide range of applications.

Description

A kind of preparation method of biology base deinking agent
Technical field
The present invention relates to secondary stock processing technology fields, and in particular to a kind of preparation method of biology base deinking agent.
Background technology
With the raising of social progress and people's material and cultural life, demand and day of the people to paper and paper products All to increase, waste paper amount increases also with the growth of the consumption of paper products, and the trees as paper making raw material or other plant It is day by day rare.China's Forest Resources are poor, and wood pulp depends on import, and papermaking cost is very high.In consideration of it, waste paper recycling is carved not Rong Huan can not only protect forest resources and not be destroyed, moreover it is possible to which realization, which is turned waste into wealth, to be recycled, it will bring significant society's effect Benefit and economic benefit.
Currently, waste paper has become the important sources of paper industry, proportion is increasing, and the recycling of waste paper is solution Certainly paper industry faces that there is lack of raw materials, the effective way of energy shortage and the three major issues such as seriously polluted, and deinking is that waste paper returns Key.Deinking agent is the chemicals or biological products that waste paper fibre and ink can be made to detach, and main function is to destroy ink To the adhesive force of paper fiber, ink is made to remove and be dispersed in water from fiber.Therefore deinking agent becomes in pulping and papermaking processes Indispensable product.
Traditional deinking agent mainly has DEINKING CHEMICALS and enzymatic deinking agent.Traditional DEINKING CHEMICALS includes alkali, silicon The chemicals such as sour sodium, hydrogen peroxide, auxiliary agent play a part of to soak saponification, buffering, decoloration and infiltration dispersion respectively.Chemistry is de- Ink is with obvious effects, but fiber loss is big, paper strength declines, and the COD of waste water, BOD loading are big, and long-time service can produce equipment Raw certain corrosiveness also will produce negative effect to the waste reprocessing that deinking process generates.In recent years, due to ring Border is friendly, Enzymatic Deinking that is adaptable and can improving fibre property again is taken seriously, and various countries are to the useless new of different printing mode It hears paper and has carried out Enzymatic Deinking experimental study.It is preferred that a variety of highly effective biological zymes with strong points compound, it is special with enzyme activition Auxiliary agent is used cooperatively, the deinking for newspaper, Mixed Office WasteMOW, books, magazine etc..Compared with traditional chemical deinking, biology Enzyme deinking has the advantages that a series of protrusions:1, enzymatic deinking mild condition, chemicals usage is few, and fiber loss is small, keeps Good fiber properties;2, COD of sewage and BOD is greatly lowered, mitigates treatment pressure of sewage;3, paper pulp yield and raising are improved Paper strength;4, clean manufacturing saves the energy, reduces material consumption;5, it using simple, is matched with existing most of deinking process.Mesh Before, enzymatic deinking agent has been applied to paper-making deinking field.But although with biological enzyme deinking agent ring as main component It protects, but deinking efficiency is less desirable.
Therefore, it is mild that a kind of high paper pulp yield, deinking pulp brightness height, ink particle removal efficiency height, use condition are developed Waste paper deinking agent be necessary.
Invention content
The technical problems to be solved by the invention:Include alkali, sodium metasilicate, peroxidating for DEINKING CHEMICALS traditional at present The chemicals such as hydrogen, auxiliary agent play a part of to soak saponification, buffering, decoloration and infiltration dispersion respectively, and Biologic Deinking Agent is not achieved These effects, Chemical Deinking is with obvious effects, but fiber loss is big, paper strength declines, and the COD of waste water, BOD loading are big, long Phase using that can generate certain corrosiveness to equipment, can not meet the defect of market demands, provide a kind of biology base deinking The preparation method of agent.
In order to solve the above technical problems, the present invention is using technical solution as described below:
A kind of preparation method of biology base deinking agent, it is characterised in that specifically preparation process is:
(1)Bentonite and waste gypsum are mixed to be put into Muffle furnace and are sintered, room temperature is cooled to, the bentonite that obtains that treated, By zirconium oxide ball milling pearl, bentonite mixing is put into ball mill with treated again, in the condition that rotating speed is 300~320r/min It is sieved with 100 mesh sieve after lower ball milling, collects sieving bentonite powder;
(2)It weighs 32~36g gum rosin to pour into beaker, heat temperature raising, after its softening, be added dropwise into the gum rosin after softening 3~5mL palm oils and 4~6mL coconut oil, continue to be mixed, and obtain mixed melting liquid, then by sieving bentonite powder and mix It closes molten liquid to be mixed, and the sieving bentonite powder after stirring is put into mouldy in fog room, high-temperature sterilization dries out Material, obtains modified alta-mud powder;
(3)Cellulase and laccase are mixed by equal mass ratioes, obtain mixed enzyme, then by mixed enzyme, polyethylene glycol and go Ionized water mixing is placed in beaker, then the beaker with mixture is put into ultrasonic disperse in ultrasonic wave separating apparatus, is made by oneself Disperse enzyme solution;
(4)Count in parts by weight, weigh respectively 30~32 parts of modified alta-mud powder, 10~12 parts of self-control dispersion enzyme solutions and 16~ 20 parts of deionized water mixing are placed in blender and stir, then add 3~5 parts of boraxs and 2~4 parts of absolute ethyl alcohols, and it is mixed to continue heat preservation After closing stirring, it is transferred to extrusion molding in former while hot, cuts off, dry discharging is to get biology base deinking agent.
Step(1)The mass ratio of the bentonite and waste gypsum is 6:1, sintering temperature is 1270~1350 DEG C, sintering Time is 11~13h, and bentonitic ball material mass ratio is 15 to zirconium oxide ball milling pearl with treated:1, Ball-milling Time is 3~4h.
Step(2)The heat temperature raising temperature is 105~110 DEG C, and continuation mixing time is 16~20min, and sieving is swollen The mass ratio of the native powder of profit and mixed melting liquid is 1:4, the mixing time is 16~20min, and mouldy temperature is 27~32 DEG C, Mouldy relative air humidity is 98~100%, and the mouldy time is 4~5h.
Step(3)The mixing time is 12~15min, and the mass ratio of mixed enzyme, polyethylene glycol and deionized water is 3:1:5, ultrasonic disperse power be 200~210W, ultrasonic disperse frequency be 24~27kHz, the ultrasonic disperse time be 32~ 35min。
Step(4)The whipping temp be 75~81 DEG C, mixing time be 1~2h, continue mixing time be 16~ 20min, extrusion molding pressure are 2~4MPa.
Compared with other methods, advantageous effects are the present invention:
(1)The present invention using gum rosin, palmitic acid and cocinic acid as biomass material, cellulase and laccase as biological enzyme, Bentonite is aided with borax and absolute ethyl alcohol etc. and biology base deinking agent is prepared as porous carrier, first by bentonite and Waste gypsum mixed sintering and grinding obtain porous bentonite powder, and wherein waste gypsum has pore-creating performance, in the work of its calcium ion It under, on the one hand plays fluxing effect and bentonite is promoted to be sintered, further open bentonitic stomata so that bentonitic ratio Surface area and porosity improve, and on the other hand under the high temperature conditions, material are caused to generate more distortions of lattice and defect, increased Its amorphous degree, improves the activity of system, and the deinking performance for being conducive to biology base deinking agent is improved, then by gum rosin It is mixed with palm oil and coconut oil to obtain mixed melting liquid after heating and softening, into sieving bentonite powder, addition mixing is molten Melt liquid, in maintenance processes, mixed melting liquid is obtained into aliphatic acid by the way that the condition of high temperature and humidity is mouldy, aliphatic acid is adsorbed on It at the active site corroded, prevents from corroding further generation, to extend the service life of paper, formulation stability is good, tool There is long-acting inhibition corrosive power, to improve the corrosion resistance of biology base deinking agent, while oleophylic is modified so that porous carrier It is easy to adsorb the ink to fall off from paper fibre, reaches deinking purpose;
(2)The heating of gum rosin, palmitic acid and cocinic acid is mixed to get mixed melting liquid, existing saturated fat in the present invention Acid has unsaturated fatty acid again, and wherein saturated fatty acid can make the reduction of fiber surface tension, and generate the works such as lubrication, emulsification With, to make ink be detached from paper fibre, and the presence of undersaturated aliphatic acid, it plays wetting saponification and permeates dispersion Effect can remove the ink detached from paper fibre, and can play synergistic effect by compounding, make to be made Biology base deinking agent there is good deinking performance, continue in porous bentonite powder area load cellulase and laccase, These enzymes cause peeling effect by lignin or cellulose remaining in degradation of fibers, mutual to weaken surface microfibre Between combination, increase the degree of freedom of these microfibres, be easy to the separation of ink and fiber, further increase biology base deinking The deinking performance of agent, it is environment friendliness, it is with a wide range of applications.
Specific implementation mode
It is 6 in mass ratio:1 is put into bentonite and waste gypsum mixing in Muffle furnace, is 1270~1350 DEG C in temperature Under the conditions of be sintered 11~13h, be cooled to room temperature, the bentonite that obtains that treated, then by zirconium oxide ball milling pearl and treated Bentonite is 15 by ball material mass ratio:1 mixing be put into ball mill, rotating speed be 300~320r/min under conditions of ball milling 3~ It is sieved with 100 mesh sieve after 4h, collects sieving bentonite powder;32~36g gum rosin is weighed to pour into beaker, it is heated to 105~ 110 DEG C, after its softening, 3~5mL palm oils and 4~6mL coconut oil are added dropwise into the gum rosin after softening, continues mixing and stirs 16~20min is mixed, obtains mixed melting liquid, then by sieving bentonite powder and mixed melting liquid is 1 in mass ratio:4 mixing are stirred Mix 16~20min, and the sieving bentonite powder after stirring be put into fog room, temperature be 27~32 DEG C, air it is opposite Humidity is mouldy 4~5h under conditions of 98~100%, and high-temperature sterilization is dry to discharge, and obtains modified alta-mud powder;By etc. quality Than 12~15min is mixed in cellulase and laccase, mixed enzyme is obtained, then by mixed enzyme, polyethylene glycol and deionized water It is 3 in mass ratio:1:5 mixing are placed in beaker, then the beaker with mixture is put into ultrasonic wave separating apparatus, are in power 200~210W, frequency are 32~35min of ultrasonic disperse under conditions of 24~27kHz, obtain self-control dispersion enzyme solution;By weight It is mixed to weigh 30~32 parts of modified alta-mud powder, 10~12 parts of self-control dispersion enzyme solutions and 16~20 parts of deionized waters respectively for number meter Conjunction is placed in blender, 1~2h is stirred under conditions of temperature is 75~81 DEG C, then add 3~5 parts of boraxs and 2~4 parts anhydrous Ethyl alcohol is transferred in former, is squeezed under conditions of pressure is 2~4MPa after continuing 16~20min of heat preservation mixing while hot Go out molding, cut-out, dry discharging is to get biology base deinking agent.
It is 6 in mass ratio:1 is put into bentonite and waste gypsum mixing in Muffle furnace, under conditions of temperature is 1270 DEG C It is sintered 11h, is cooled to room temperature, the bentonite that obtains that treated, then by zirconium oxide ball milling pearl and treated that bentonite presses ball Expect that mass ratio is 15:1 mixing is put into ball mill, is sieved with 100 mesh sieve after ball milling 3h under conditions of rotating speed is 300r/min, is collected Be sieved bentonite powder;It weighs 32g gum rosin to pour into beaker, is heated to 105 DEG C, after its softening, to after softening 3mL palm oils and 4mL coconut oil are added dropwise in gum rosin, continues that 16min is mixed, obtains mixed melting liquid, then will be sieved swollen The native powder of profit and mixed melting liquid are 1 in mass ratio:4 are mixed 16min, and the sieving bentonite powder after stirring is put into In fog room, mouldy 4h under conditions of temperature is 27 DEG C, relative air humidity is 98%, high-temperature sterilization is dry to discharge, and obtains Modified alta-mud powder;12min is mixed in cellulase and laccase by equal mass ratioes, obtains mixed enzyme, then by mixed enzyme, Polyethylene glycol and deionized water are 3 in mass ratio:1:5 mixing are placed in beaker, then the beaker with mixture is put into ultrasound In wave separating apparatus, ultrasonic disperse 32min under conditions of power is 200W, frequency is 24kHz obtains self-control dispersion enzyme solution;It presses Parts by weight meter weighs 30 parts of modified alta-mud powder, 10 parts of self-control dispersion enzyme solutions and 16 parts of deionized water mixing and is placed in respectively In blender, 1h is stirred under conditions of temperature is 75 DEG C, then add 3 parts of boraxs and 2 parts of absolute ethyl alcohols, continues heat preservation mixing and stir After mixing 16min, be transferred in former while hot, extrusion molding under conditions of pressure is 2MPa, cut-out, dry discharging to get Biology base deinking agent.
It is 6 in mass ratio:1 is put into bentonite and waste gypsum mixing in Muffle furnace, under conditions of temperature is 1300 DEG C It is sintered 12h, is cooled to room temperature, the bentonite that obtains that treated, then by zirconium oxide ball milling pearl and treated that bentonite presses ball Expect that mass ratio is 15:1 mixing is put into ball mill, is sieved with 100 mesh sieve after ball milling 3.5h under conditions of rotating speed is 310r/min, is received Collection sieving bentonite powder;It weighs 34g gum rosin to pour into beaker, is heated to 106 DEG C, after its softening, to after softening Gum rosin in 4mL palm oils and 5mL coconut oil is added dropwise, continue that 18min is mixed, obtain mixed melting liquid, then will sieving Bentonite powder and mixed melting liquid are 1 in mass ratio:4 are mixed 18min, and the sieving bentonite powder after stirring is put Enter in fog room, mouldy 4.5h under conditions of temperature is 30 DEG C, relative air humidity is 99%, high-temperature sterilization, dry discharging, Obtain modified alta-mud powder;14min is mixed in cellulase and laccase by equal mass ratioes, obtains mixed enzyme, then will mix Synthase, polyethylene glycol and deionized water are 3 in mass ratio:1:5 mixing are placed in beaker, then the beaker with mixture is put into In ultrasonic wave separating apparatus, ultrasonic disperse 33min under conditions of power is 205W, frequency is 26kHz obtains self-control dispase Liquid;It counts in parts by weight, weighs 31 parts of modified alta-mud powder, 11 parts of self-control dispersion enzyme solutions and 18 parts of deionized water mixing respectively It is placed in blender, stirs 1.5h under conditions of temperature is 78 DEG C, then add 4 parts of boraxs and 3 parts of absolute ethyl alcohols, continue to keep the temperature It after 18min is mixed, is transferred in former while hot, extrusion molding under conditions of pressure is 3MPa, cut-out dries out Material is to get biology base deinking agent.
It is 6 in mass ratio:1 is put into bentonite and waste gypsum mixing in Muffle furnace, under conditions of temperature is 1350 DEG C It is sintered 13h, is cooled to room temperature, the bentonite that obtains that treated, then by zirconium oxide ball milling pearl and treated that bentonite presses ball Expect that mass ratio is 15:1 mixing is put into ball mill, is sieved with 100 mesh sieve after ball milling 4h under conditions of rotating speed is 320r/min, is collected Be sieved bentonite powder;It weighs 36g gum rosin to pour into beaker, is heated to 110 DEG C, after its softening, to after softening 5mL palm oils and 6mL coconut oil are added dropwise in gum rosin, continues that 20min is mixed, obtains mixed melting liquid, then will be sieved swollen The native powder of profit and mixed melting liquid are 1 in mass ratio:4 are mixed 20min, and the sieving bentonite powder after stirring is put into In fog room, mouldy 5h under conditions of temperature is 32 DEG C, relative air humidity is 100%, high-temperature sterilization is dry to discharge, and obtains Modified alta-mud powder;15min is mixed in cellulase and laccase by equal mass ratioes, obtains mixed enzyme, then by mixed enzyme, Polyethylene glycol and deionized water are 3 in mass ratio:1:5 mixing are placed in beaker, then the beaker with mixture is put into ultrasound In wave separating apparatus, ultrasonic disperse 35min under conditions of power is 210W, frequency is 27kHz obtains self-control dispersion enzyme solution;It presses Parts by weight meter weighs 32 parts of modified alta-mud powder, 12 parts of self-control dispersion enzyme solutions and 20 parts of deionized water mixing and is placed in respectively In blender, 2h is stirred under conditions of temperature is 81 DEG C, then add 5 parts of boraxs and 4 parts of absolute ethyl alcohols, continues heat preservation mixing and stir After mixing 20min, be transferred in former while hot, extrusion molding under conditions of pressure is 4MPa, cut-out, dry discharging to get Biology base deinking agent.
The deinking agent that comparative example is produced with Guangzhou company is as a comparison case
Deinking agent in biology base deinking agent produced by the present invention and comparative example is detected, testing result is as shown in table 1:
Whiteness is detected according to national standard method GB8940.1 using digital whiteness instrument.
Residual ink concentration is measured using image analysis technology of the residual ink detector based on scanner, is surveyed using software Amount system measures residual ink concentration.
Tearability is tested according to GB/T455-2002 standards.
1 performance measurement result of table
From the data in table 1, it can be seen that biology base deinking agent produced by the present invention, the paper pulp yield prepared is high, deinking pulp brightness is high, oil Black particle removal efficiency is high, dirt count is small, production pollutant is few, and COD of sewage is low, has wide prospect of the application.

Claims (5)

1. a kind of preparation method of biology base deinking agent, it is characterised in that specifically preparation process is:
(1)Bentonite and waste gypsum are mixed to be put into Muffle furnace and are sintered, room temperature is cooled to, the bentonite that obtains that treated, By zirconium oxide ball milling pearl, bentonite mixing is put into ball mill with treated again, in the condition that rotating speed is 300~320r/min It is sieved with 100 mesh sieve after lower ball milling, collects sieving bentonite powder;
(2)It weighs 32~36g gum rosin to pour into beaker, heat temperature raising, after its softening, be added dropwise into the gum rosin after softening 3~5mL palm oils and 4~6mL coconut oil, continue to be mixed, and obtain mixed melting liquid, then by sieving bentonite powder and mix It closes molten liquid to be mixed, and the sieving bentonite powder after stirring is put into mouldy in fog room, high-temperature sterilization dries out Material, obtains modified alta-mud powder;
(3)Cellulase and laccase are mixed by equal mass ratioes, obtain mixed enzyme, then by mixed enzyme, polyethylene glycol and go Ionized water mixing is placed in beaker, then the beaker with mixture is put into ultrasonic disperse in ultrasonic wave separating apparatus, is made by oneself Disperse enzyme solution;
(4)Count in parts by weight, weigh respectively 30~32 parts of modified alta-mud powder, 10~12 parts of self-control dispersion enzyme solutions and 16~ 20 parts of deionized water mixing are placed in blender and stir, then add 3~5 parts of boraxs and 2~4 parts of absolute ethyl alcohols, and it is mixed to continue heat preservation After closing stirring, it is transferred to extrusion molding in former while hot, cuts off, dry discharging is to get biology base deinking agent.
2. a kind of preparation method of biology base deinking agent according to claim 1, it is characterised in that:Step(1)Described The mass ratio of bentonite and waste gypsum is 6:1, sintering temperature is 1270~1350 DEG C, and sintering time is 11~13h, zirconia ball Grinding pearl, bentonitic ball material mass ratio is 15 with treated:1, Ball-milling Time is 3~4h.
3. a kind of preparation method of biology base deinking agent according to claim 1, it is characterised in that:Step(2)Described Heat temperature raising temperature is 105~110 DEG C, and continuations mixing time is 16~20min, sieving bentonite powder and mixed melting liquid Mass ratio is 1:4, the mixing time be 16~20min, mouldy temperature be 27~32 DEG C, mouldy relative air humidity be 98~ 100%, the mouldy time is 4~5h.
4. a kind of preparation method of biology base deinking agent according to claim 1, it is characterised in that:Step(3)Described Mixing time is 12~15min, and the mass ratio of mixed enzyme, polyethylene glycol and deionized water is 3:1:5, ultrasonic disperse power is 200~210W, ultrasonic disperse frequency are 24~27kHz, and the ultrasonic disperse time is 32~35min.
5. a kind of preparation method of biology base deinking agent according to claim 1, it is characterised in that:Step(4)Described Whipping temp is 75~81 DEG C, and mixing time is 1~2h, and continuations mixing time is 16~20min, extrusion molding pressure for 2~ 4MPa。
CN201810396949.6A 2018-04-28 2018-04-28 A kind of preparation method of biology base deinking agent Withdrawn CN108441022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810396949.6A CN108441022A (en) 2018-04-28 2018-04-28 A kind of preparation method of biology base deinking agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810396949.6A CN108441022A (en) 2018-04-28 2018-04-28 A kind of preparation method of biology base deinking agent

Publications (1)

Publication Number Publication Date
CN108441022A true CN108441022A (en) 2018-08-24

Family

ID=63201905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810396949.6A Withdrawn CN108441022A (en) 2018-04-28 2018-04-28 A kind of preparation method of biology base deinking agent

Country Status (1)

Country Link
CN (1) CN108441022A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109401260A (en) * 2018-09-30 2019-03-01 濮阳市盛源石油化工(集团)有限公司 A kind of corrosion-resistant halogen-free flameproof unsaturated polyester resin and preparation method thereof
CN110552236A (en) * 2019-09-09 2019-12-10 杭州海鑫纸业有限公司 Black paper and preparation process thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106147361A (en) * 2016-07-29 2016-11-23 华南理工大学 A kind of biomass base load enzyme deinking agent and preparation method and application

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106147361A (en) * 2016-07-29 2016-11-23 华南理工大学 A kind of biomass base load enzyme deinking agent and preparation method and application

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
万金泉等: "《废纸造纸及其污染控制》", 31 July 2004, 中国轻工业出版社 *
季祥等: "《生物质能源及废物利用新技术》", 31 December 2012, 吉林大学出版社 *
方志刚等: "《绿色生化技术与小城镇可持续发展》", 31 December 2017, 华中科技大学出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109401260A (en) * 2018-09-30 2019-03-01 濮阳市盛源石油化工(集团)有限公司 A kind of corrosion-resistant halogen-free flameproof unsaturated polyester resin and preparation method thereof
CN110552236A (en) * 2019-09-09 2019-12-10 杭州海鑫纸业有限公司 Black paper and preparation process thereof

Similar Documents

Publication Publication Date Title
CN105780568B (en) Biological enzyme bating delignification combines mechanical legal system sizing process twice
CN101725069B (en) Method for improving removal effect of ink in waste paper pulp
CN108441022A (en) A kind of preparation method of biology base deinking agent
CN107881842A (en) A kind of method that high-strength corrugated base paper is prepared using stalk and secondary stock
CN101928485A (en) Waste paper deinking agent
WO2021057159A1 (en) Processing technology for removing adhesive substances from paper pulp
CN104695263A (en) Biological enzyme composition used for synchronously processing office waste paper printing ink and gummy substance as well as application thereof
MX2011000288A (en) Deinking a cellulosic substrate using magnesium hydroxine.
CN101792980B (en) Mechanical pulping method for biological bacteria liquid
CN102897987B (en) Papermaking sludge dehydration composite biological enzyme treating agent and processing method
CN104693880A (en) Waste paper deinking agent with excellent performance and deinking method using same
CN107541109B (en) Green and efficient enzyme-carrying liquid deinking agent and application thereof
CN107313277B (en) A kind of deinking process for waste paper of environment-friendly high-efficiency
CN105155340A (en) Method for using wastewater sludge as papermaking auxiliary material
CN103881468A (en) Raw materials and method for preparing environment-friendly mixed waste paper deinking agent
CN103147334B (en) Waste paper deinking method using mixed enzyme
CN109457543A (en) A kind of recyclable carton and preparation method thereof
CN111118945B (en) Preparation process of core layer slurry
CN102635009B (en) Method for carrying out deinking modification on waste paper by utilizing expanding protein
CN109972403A (en) A kind of processing and treating method of plant fiber
CN102277763B (en) Neutral deinking agent for waste newspaper and waste book and periodical paper, preparation method of neutral deinking agent and deinking method
CN111926599A (en) Method for making paper by using straw fibers
NL2033572B1 (en) Bio-pulp In Filtration Softener Formula and Its Preparation Method
JP6443290B2 (en) Method for producing deinked waste paper pulp
CN104562832A (en) Production method of environment-friendly waterproof paper product

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20180824

WW01 Invention patent application withdrawn after publication