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33results about How to "Make up for cleaning costs" patented technology

Production method for preparing monopotassium phosphate and coproducing special fertilizer for capsella bursa-pastoris

The invention relates to the field of chemical technologies, and particularly relates to a production method for preparing monopotassium phosphate and coproducing a special fertilizer for capsella bursa-pastoris. Through carrying out research and analysis on the requirements on the contents of nutritional ingredients in capsella bursa-pastoris and carrying out regulation and collocation on the contents of elements in the technological process of production, a prepared combined compound fertilizer can maximally meet the demands of crops, so that a situation that the cost is too high due to improper element collocation in the production of the compound fertilizer is reduced, and a situation that the compound fertilizer solidifies the soil and then pollutes the environment because excessive elements are put into the soil is further avoided.
Owner:GUIZHOU KAILIN GRP CO LTD +2

Production method for preparing tricalcium phosphate and coproducing special fertilizer for rye

The invention relates to the technical field of chemical engineering, particularly a production method for preparing tricalcium phosphate and coproducing a special fertilizer for rye. The effective absorption amounts of nitrogen, phosphorus and potassium are analyzed according to the fertilizer demanded by the rye, and the contents of the elements in the production process are regulated and matched, so that the prepared combined-state compound fertilizer can maximally satisfy the demands of rye, thereby lowering the overhigh cost due to improper element matching in the compound fertilizer production and further avoiding the environment pollution due to solidification of the compound fertilizer since excessive elements are added into the soil. By adjusting the component contents of the filtrate, the waste liquid in the chemical product production process is used as the raw material for producing the compound fertilizer, thereby avoiding the discharge of the waste liquid and lowering the production cost of the compound fertilizer. The production method has obvious environmental protection value and economic benefit.
Owner:GUIZHOU KAILIN GRP CO LTD +2

Production method for preparing calcium hydrogen phosphate and by-producing special fertilizer for cucurbit

The invention relates to the technical field of chemical industry, and particularly relates to a production method for preparing calcium hydrogen phosphate and by-producing a special fertilizer for cucurbit. According to the production method, the effective absorption amount of nitrogen, phosphorus and potassium elements is analyzed according to the fertilizer requirement of cucurbit, and element content is regulated and collocated in a production process course, so that a prepared compounded-form compound fertilizer can furthest meet the requirement of the cucurbit, excessively high cost caused due to improper element collocation in the production of the compound fertilizer is reduced, and environmental pollution caused by that the compound fertilizer is solidified by adding excessive elements to soil is further prevented; and a high-purity calcium hydrogen phosphate product can be produced in the preparation process of the special fertilizer for the cucurbit by controlling the process condition of the production, so that the impurity removal cost needed when the calcium hydrogen phosphate product is prepared by adopting the traditional wet-process phosphoric acid method is made up, the purity of the calcium hydrogen phosphate product reaches more than 96%, the production cost is reduced, and outstanding economic benefit is achieved.
Owner:GUIZHOU KAILIN GRP CO LTD +2

Production method for preparing tripotassium phosphate and by-producing special fertilizer for litchi

The invention relates to the technical field of chemical industry, and particularly relates to a production method for preparing tripotassium phosphate and by-producing a special fertilizer for litchi. According to the production method, the effective absorption amount of nitrogen, phosphorus and potassium elements is analyzed according to the fertilizer requirement of litchi, and element content is regulated and collocated in a production process course, so that a prepared compounded-form compound fertilizer can furthest meet the requirement of the litchi, excessively high cost caused due to improper element collocation in the production of the compound fertilizer is reduced, and environmental pollution caused by that the compound fertilizer is solidified by adding excessive elements to soil is further prevented; and the impurity removal cost needed when a tripotassium phosphate product is prepared by adopting the traditional wet-process phosphoric acid method is made up, so that the purity of the prepared tripotassium phosphate product reaches more than 95%, the production cost is reduced by 93%, and outstanding economic benefit is achieved.
Owner:GUIZHOU KAILIN GRP CO LTD +2

Preparation method of special fertilizer for mung bean

The invention relates to the technical field of chemical engineering and particularly relates to a preparation method of a special fertilizer for mung bean. By making a study on nutrient elements absorbed during the growth of mung bean and analyzing the proportion of the nutrient elements needed during the growth of mung bean, an intermediate is prepared by virtue of reacting phosphoric acid with carbamide and then is reacted with alkaline potassium to prepare potassium dihydrogen phosphate; by controlling the nutrient content ratio of a filtrate during crystallization of potassium dihydrogen phosphate, trace elements are added into the filtrate obtained by separating potassium dihydrogen phosphate so as to prepare the special fertilizer for mung bean. By virtue of the method, the purity of potassium dihydrogen phosphate is improved, the special fertilizer for mung bean is prepared by analyzing the ratio of the nutrient elements needed during the growth process of mung bean, the yield of mung bean is improved, no waste liquid is discharged during the production process and thus no environmental pollution is caused.
Owner:GUIZHOU UNIV +2

Production method of monopotassium phosphate with byproduct fertilizer specially used for towel gourd

The invention relates to the technical field of chemical industry and particularly relates to a production method of monopotassium phosphate with a byproduct fertilizer specially used for towel gourd. The content of elements in the fertilizer specially used for towel gourd and the effective absorption of towel gourd to nitrogen, phosphorus and potassium elements are detected and analyzed, and the content of the elements used in the production process are regulated and matched, so that the prepared combined compound fertilizer can meet crop demands to the maximum extent, overhigh cost caused by improper matching of the elements in the production process of a compound fertilizer is reduced, and furthermore the problem that environment pollution caused by soil hardening due to use of the compound fertilizer containing too many elements in soil is avoided.
Owner:GUIYANG KAILIN FERTILIZER CO LTD +2

A kind of production method for preparing special fertilizer for flax by-product of tripotassium phosphate

The invention relates to the technical field of chemical industry, and especially relates to a method for preparing tripotassium phosphate and preparing a special fertilizer for flax as a byproduct. The effective absorption amounts of N, P and K elements are analyzed according to fertilizer requirements of flax, and the contents of elements in the production process are adjusted and matched to make the prepared compounded composite fertilizer maximally meet the demands of flax so the too high cost caused by improper matching of the elements in the production of the composite fertilizer is avoided, and environmental pollution caused by solidification of the composite fertilizer due to the addition of excess elements into soil is further avoided; and the molar ratio of raw materials in the production process and the accurate analysis and detection of a filtrate in a crystallization step make the quality of the produced flax composite fertilizer guaranteed, and the adjustment of the contents of components of the filtrate allows a waste liquid in the production process of the chemical industry product to be used as a raw material for producing the composite fertilizer, so the emission of the waste liquid is avoided, the production cost of the composite fertilizer is reduced, and the method has substantial environmental protection values and economic benefits.
Owner:GUIZHOU KAILIN GRP CO LTD +2

A kind of production method of preparing potassium dihydrogen phosphate by-product tobacco special fertilizer

The invention relates to the technical field of chemical engineering, in particular to a production method of special tobacco fertilizer serving as a byproduct of preparation of monopotassium phosphate. The special tobacco fertilizer serving as the byproduct prepared from waste liquid obtained by preparation of the monopotassium phosphate by a wet method is produced by detecting and analyzing the element content of the special tobacco fertilizer and an effective absorption form and an effective absorption amount of tobaccos to nitrogen, phosphorus and potassium elements and adjusting and matching the element content in a technical production process; the matching contents of a large quantity of nutritional elements such as nitrogen, phosphorus and potassium are adjusted, so that excessive nutritional elements are prevented from being introduced into soil, and the environmental pollution caused by solidification of composite fertilizer and blocking of the soil is avoided; furthermore, the phenomenon that the composite tobacco fertilizer is extremely high in production cost due to element mis-matching is also avoided; the production method is obvious in environment-friendly value and high in economical benefit.
Owner:GUIZHOU KAILIN GRP CO LTD +2

A kind of production method of preparing calcium hydrogen phosphate by-product gourd special fertilizer

The invention relates to the technical field of chemical industry, and particularly relates to a production method for preparing calcium hydrogen phosphate and by-producing a special fertilizer for cucurbit. According to the production method, the effective absorption amount of nitrogen, phosphorus and potassium elements is analyzed according to the fertilizer requirement of cucurbit, and element content is regulated and collocated in a production process course, so that a prepared compounded-form compound fertilizer can furthest meet the requirement of the cucurbit, excessively high cost caused due to improper element collocation in the production of the compound fertilizer is reduced, and environmental pollution caused by that the compound fertilizer is solidified by adding excessive elements to soil is further prevented; and a high-purity calcium hydrogen phosphate product can be produced in the preparation process of the special fertilizer for the cucurbit by controlling the process condition of the production, so that the impurity removal cost needed when the calcium hydrogen phosphate product is prepared by adopting the traditional wet-process phosphoric acid method is made up, the purity of the calcium hydrogen phosphate product reaches more than 96%, the production cost is reduced, and outstanding economic benefit is achieved.
Owner:GUIZHOU KAILIN GRP CO LTD +2

Preparation method of specific fertilizer for Poria cocos

The invention relates to the technical field of chemical engineering, and discloses a preparation method of a special fertilizer for Poria cocos. Through analysis of the nutrient elements required in the growth process of Poria cocos, phosphoric acid and carbamide are subjected to reaction for the preparation of an intermediate; then the intermediate reacts with alkaline potassium to prepare sodium dihydrogen phosphate; through control of nutrient content ratio of the filtrate in the crystallization processes of sodium dihydrogen phosphate, potassium and other trace elements are added to the filtrate with sodium dihydrogen phosphate separated to prepare the special fertilizer for Poria cocos. The method not only improves the purity of sodium dihydrogen phosphate, and through the analysis of the ratio of nutrient elements required in the growth process of Poria cocos, the prepared special fertilizer can achieve high yield with a small fertilizer amount.
Owner:GUIZHOU UNIV +2

Method for preparing sodium dihydrogen phosphate and preparing special fertilizer for Rosa roxbunghii as byproduct

The invention relates to the technical field of chemical industry, and discloses a method for preparing sodium dihydrogen phosphate and preparing a special fertilizer for Rosa roxbunghii as a byproduct. The method comprises the following steps: reacting phosphoric acid with carbomite by analyzing nutritional elements required by Rosa roxbunghii to prepare an intermediate, reacting the intermediate with an alkaline sodium salt to prepare sodium dihydrogen phosphate, controlling the content ratio of nutrients in a filtrate in the sodium dihydrogen phosphate crystallizing process, and adding potassium and other trace element compounds to the sodium dihydrogen phosphate separated filtrate in order to prepare the special fertilizer for Rosa roxbunghii. The prepared special fertilizer for Rosa roxbunghii can improves the output of Rosa roxbunghii, and the prepared sodium dihydrogen phosphate has a high purity and a relatively low cost.
Owner:GUIZHOU UNIV +2

A kind of preparation method of rice bean nutrient fertilizer

The invention relates to the technical field of chemical engineering, and discloses a preparation method of a rice bean nutrition fertilizer. The proportion of nutrient elements of the rice bean nutrition fertilizer is determined by analyzing the quantity of the nutrient elements which are required to absorb in the growing process of rice beans; an intermediate is prepared by performing reaction on phosphoric acid and carbamide; the reaction on the intermediate and alkaline sodium is carried out to prepare sodium dihydrogen phosphate; the requirement on the growth of the rice beans can be met by controlling the nutrient content rates of nitrogen and phosphorus of filtering liquid in a crystallizing process of sodium dihydrogen phosphate, and potassium and other medium trace element compounds are added into sodium dihydrogen phosphate separated filtering liquid to prepare the rice bean nutrition fertilizer. According to the method, the purity of sodium dihydrogen phosphate is improved; by analyzing the proportion of the nutrient elements required in the growing process of the rice beans, the rice bean nutrition fertilizer is prepared, so that the yield of the rice beans is improved, the drainage of waste liquid in the production process of the fertilizers is avoided, and the pollution to the environment is also avoided.
Owner:GUIZHOU UNIV +2

Production method for preparing special fertilizer for red flower from tricalcium phosphate by-products

The invention relates to the technical field of chemical engineering and particularly relates to a production method for preparing a special fertilizer for red flower from tricalcium phosphate by-products. By virtue of the molar ratio of starting material substances in the production process and the accurate analysis and detection of filtrate in the crystallization step, the quality of the produced compound fertilizer for red flower can be ensured, in a mode of adjusting contents of ingredients in the filtrate, waste liquid generated in the production process of chemical products is used as a raw material for production of the compound fertilizer and thus the discharge of the waste liquid, the production cost of the compound fertilizer is reduced and the production method has significant environmental-friendly and economic values.
Owner:GUIZHOU KAILIN GRP CO LTD +2

A production method for preparing special fertilizer for kiwi fruit by-product of tripotassium phosphate

The invention relates to the technical field of chemical industry, and in particular relates to a production method for preparing tripotassium phosphate and co-producing a fertilizer special for kiwi fruits. The production method comprises the following steps: according to a fertilizer required by the kiwi fruits, analyzing the effective absorption quantities of nitrogen, phosphorus and potassium elements, and adjusting and collocating the element content in a production technological process to ensure that a prepared combination type compound fertilizer can meet the requirements of the kiwi fruits to a highest extent, the excessive cost caused by improper element collocation in the production of the compound fertilizer can be reduced, and the environmental pollution caused by solidification of the compound fertilizer because excessive elements are fed into soil can be further avoided; the impurity removal cost for preparing a tripotassium phosphate product by using a conventional wet-process phosphoric acid process can be compensated to ensure that the purity of the prepared tripotassium phosphate product can reach more than 95%, and the production cost of the prepared tripotassium phosphate product can be reduced by 93%; and the production method disclosed by the invention has significant economic benefits.
Owner:GUIZHOU KAILIN GRP CO LTD +2

Preparation method of special fertilizer for carrots

The invention relates to the technical field of chemical industry, and discloses a preparation method of a special fertilizer for carrots. The method comprises the following steps: reacting phosphoric acid with carbomite to prepare an intermediate, reacting the intermediate with an alkaline potassium salt to prepare potassium dihydrogen phosphate, controlling the content ratio of nutrients in a filtrate in the potassium dihydrogen phosphate crystallizing process, and adding trace element compounds to the potassium dihydrogen phosphate separated filtrate in order to prepare the special fertilizer for carrots. The special fertilizer for carrots is prepared by analyzing the ratio of nutrients required by the growth process of the carrots, so the preparation method has the advantage of carrot output improvement, no emission of waste liquids in the production process, no pollution to environment, high economic value and environmental benefit, and high purity of the byproduct potassium dihydrogen phosphate.
Owner:GUIZHOU UNIV +2

Production method of preparing tricalcium phosphate and byproduct special fertilizer for mangos

The invention relates to the technical field of chemical engineering and particularly relates to a production method of preparing tricalcium phosphate and a byproduct special fertilizer for mangos. In a preparation process of a tricalcium phosphate product, phosphoric acid reacts with urea and the temperature during the reaction is controlled, so that the produced urea phosphate generates structure transformation reaction, and thus, urea phosphate in an ion form is generated; on the condition that the phosphoric acid is excessive, the phosphoric acid reacts with positive ions to generate an intermediate plasma with a complexing effect and dihydrogen phosphate ion; then calcium ions are added to react with the intermediate plasma and the dihydrogen phosphate ion to produce tricalcium phosphate; and according to the requirements of mangos on nitrogen-phosphor-potassium elements, the content of residual nitrogen and phosphor in liquid in the production process of tricalcium phosphate is controlled; and by virtue of adding the potassium element, the proportion of the nitrogen to phosphor to potassium is regulated to meet the growth needs of the mangos; and further the purity of the tricalcium phosphate product is improved, the emission load of the waste liquor is lowered, and the production cost is lowered.
Owner:GUIZHOU KAILIN GRP CO LTD +2
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