Oil Production by Hexane Solvent Extraction

Solvent extraction consists of a sequence of four operations:
(1) physical removal of oil from the seed in the extractor;
(2) desolventizing-toasting of the de-oiled seeds, often combined with drying and cooling of the meal;
(3) distillation to remove the solvent from the extracted oil;
(4) recovery of the solvent, for reuse in the extractor. The solvent is almost always hexane, which satisfies the technical, economical, and operational needs of all oil millers. Several other solvents have been studied but their disadvantages are such that they cannot compete with hexane, which has many compensatory advantages despite being flammable (Dijkstra and Segers 2007).

The industry generally makes a distinction between two types of extractor: percolation type and immersion type. The percolation process, also known as the continuous extraction process, is based upon the principle of uninterrupted passage of the solvent through the bed of oleaginous material; the oil is thus dissolved in the solvent and carried away. In the immersion process, the entire load of seeds is immersed in solvent. The system is static, so it needs to be stirred to balance the differences in the oil–solvent concentration. Stirring inevitably causes abrasion of the extraction material, so the mixture needs subsequently to be filtered out. This method is used when it is not easy to extract the oil from the matrix. Oil extractors can also be classified on the basis of other different criteria, such as basket or belt operation, rotary or straight, or other shapes, full or partial countercurrent operation, etc.; however, it must be underlined that today the systems available in the market are becoming more and more similar to each other (Fils 2000). The oil-saturated solvent obtained from the extraction process is referred as “miscella.” All commercial extractors are today based on the principle of countercurrent extraction. Fresh solvent encounters previously extracted material, whereas new seeds, flakes, or collet encounter solvent already containing some oil. This method is able to remove a high level of oil using a little solvent quantity (Anderson 2011). Temperature is one of the key variables to keep under control and to optimize the extraction process. The boiling point of hexane is about 69°C near ambient pressure. However, it becomes an azeotrope in the presence of water or steam, with a boiling temperature of 61.6°C. It would be desirable to operate close to the temperature point of this azeotrope; it is the hottest temperature reachable before hexane evaporation, thus it would allow to obtain the lowest viscosity of both solvent and oil and consequently to promote a rapid oil solubilization (Anderson 2011). The length of the extraction process is determined by several factors that affect the contact time between the solvent and the oleaginous material, required for a best extraction yield. Among these factors, the oil concentration, the viscosity of solvent and oil, the shape and size of solid particles and their resulting specific internal structure after pretreatment, are essential to calculate the residence time of the solvent in the extractor. Simulations reported that the greatest amount of oil is extracted during the first minutes, being the oil less accessible to the solvent in the last phase due to equilibrium phenomena (Anderson 2011).

After oil extraction, the meal contains 25%–35% of solvent, which must be evaporated and recovered for reuse (Nagaraj 2009). On the other hand, the de-oiled meal is toasted to reduce anti-nutritional factors such as glucosinolates or trypsin inhibitors, which act as antigrowth factors in monogastric animals if the meal is incorporated into animal feed. Moreover, the meal should be dried to minimize the risk of biological contamination and cooled close to room temperature to remain flowable during storage and transport. The process known as desolventizing, toasting, drying and cooling process (DTDC), invented by Schumacher (1985), combine all these operations in a single piece of equipment (Kemper 2011). The most widely used equipment today is the vertical stack consisting of a number of chambers separated by trays. The meal enters at the top and is conveyed downward while being mixed by agitating sweeps anchored to a central rotating shaft. The heat needed for increasing meal temperature and evaporating the solvent is supplied by steam, which is directly and indirectly introduced into the meal via the trays. When indirectly heated using a steam jacket, hexane will evaporate and the temperature will not rise above the boiling point of hexane. Moreover, in this way, live steam will not condense on the flakes, thus allowing a control of the moisture level during the next steps. The reduced moisture, however, provides less protection against overheating, which may lead to a significant decline of the nutritional value during toasting. Subsequently, the material is heated with live steam, which will condense and raise the temperature above the boiling point of hexane that will be completely vaporized. Additionally, the condensed steam humidifies the meal to a point where a good toasting is possible. In the next chamber, the desolventized meal is cooled and dried by air. Heated air is passed over the material to dry it, at the same time, outside air is blown through the material to cool it. Furthermore, the hot air, while drying, also cools the material and the cold air, while cooling, also dries the material (Kemper 2011).

The miscella leaves the extractor with a 25%–30% oil content, which is separated from the solvent by evaporation of the latter. The miscella evaporator, also referred to as economizer, utilizes the latent heat contained in the vapors leaving the desolventizer to evaporate the solvent till an oil concentration of 65%–75%. The concentrated miscella may then undergo to a second step of solvent evaporation, which utilizes the sensible heat of the condensate steam coming from the DTDC. The residual hexane is then removed by vacuum stripping. The evaporated solvent must be cooled in a condenser and cleaned into a mineral absorption system before being reused in the extractor (Dijkstra and Segers 2007).

Junyuan Petroleum Group donated money to help Heze fight epidemic

The epidemic situation is merciless, but people are sentient and work together to tide over the difficulties. In August, the situation of epidemic prevention and control in Heze City was extremely severe. In order to help Heze City win the sniper battle of epidemic prevention and control, on August 2, Junyuan Petroleum Group, the parent company of Dongying Liangxin Petrochemical Technology Development Limited Company actively supported Heze City and donated 50,000 yuan to the Red Cross Society of Heze City for the prevention and control of COVID-19 epidemic in Caoxian county and Mudan District. It practiced the responsibilities and responsibilities of private enterprises with practical actions, and gathered the positive energy of working together to overcome difficulties.

In recent years, Junyuan Petroleum Group, the parent company of Dongying Liangxin Petrochemical Technology Development Limited Company, has made positive contributions to social welfare undertakings while achieving rapid development. Participated in the educational activities organized by Dongying Civil Affairs Bureau, and donated 100,000 yuan at one time; Participated in the targeted poverty alleviation and Charity Day donation activities in Dingzhuang Town, Guangrao County, and donated 130,000 yuan; In response to the targeted poverty alleviation activities of Guangrao County Charity Federation, donated 200,000 yuan; In the year of COVID-19, the company donated 500000 yuan to Dingzhuang sub district Charity Federation and donated prevention and control materials to surrounding villages and epidemic prevention and control points under the condition that its production and operation were seriously affected.

Next, Junyuan Petroleum Group, Dongying Liangxin Petrochemical Technology Development Limited Company’s parent company, will continue to practice the responsibilities and responsibilities of private enterprises and make positive contributions to social development.

The Junyuan Petroleum Group of Companies participated in the Symposium on project docking between financial leasing companies and small and medium-sized enterprises

On the morning of July 29, Dongying local financial supervision bureau held a symposium on the project docking between financial leasing companies and small and medium-sized enterprises. At the symposium, a number of financial leasing companies in Shandong Province were invited to carry out project face-to-face exchanges and interactions with small and medium-sized enterprises to carry out financing docking. Che Xiaojing, executive deputy general manager of the asset management company, attended the meeting and introduced the company’s projects.

The meeting pointed out that all financial leasing companies should take serving the real economy as the starting point and foothold, put forward reasonable financing plans and suggestions according to the financing needs of enterprises, help enterprises finance, and achieve steady development in the process of promoting local economic development. Small and medium-sized enterprises should further understand and be familiar with the financing method of financial leasing, effectively use financial leasing to alleviate capital problems, take the initiative to strengthen the connection with financial leasing companies, and invite financial leasing companies with promising cooperation to visit the enterprise on the spot to strive for cooperation.

Dongying Liangxin Petrochemical Technology Development Limited Company
Dongying Junyuan Petrochemical Technology Development Limited Company

The emergency management department held a quarterly Video Conference on centralized management of safety risks of hazardous chemicals

On July 29, the emergency management department held a quarterly video promotion meeting on the centralized management of safety risks of hazardous chemicals nationwide to report progress, analyze problems, exchange practices, strengthen measures, promote the implementation of key tasks, effectively prevent and control major safety risks, and create a stable safety environment for the success of the 20th CPC National Congress. Sunguangyu, member of the Party committee and vice minister of the emergency management department, attended the meeting and delivered a speech. Qichunxiao, the general manager of the group, and Qiao Huijie, the deputy general manager and director of safety and environmental protection, attended the video conference at the venue of the agricultural high-tech division in the Yellow River Delta.

However, from the mid-term evaluation results of centralized governance, there are still problems of uneven progress between regions, lagging progress of some special projects and low quality.

The meeting emphasized that we should have a clear understanding of the severe situation faced by the current safe production of hazardous chemicals and strengthen the sense of mission and urgency of doing a good job in centralized management. We should adhere to the problem orientation, anchor the goal of centralized governance, and make every effort to overcome difficulties. We should quickly wake up, be nervous, and take action. If there is a deviation in the direction of work, we should correct it in time. If the progress of work lags behind, we should pay close attention to make-up lessons, and accelerate the completion.

The meeting required that we should adhere to both the symptoms and root causes, accurately grasp the relationship between major risk prevention and control and centralized governance, promote major risk prevention and control and centralized governance as a whole, and prevent “two skins”. We should organically integrate centralized management and annual key work, integrate the requirements of centralized management tasks and measures into the major inspection of production safety and special safety actions, strengthen supervision and inspection and open and secret visits, do a good job in production safety in summer and flood seasons, strictly implement the main responsibility of enterprises, and resolutely prevent and contain major accidents and accidents with great impact.

At the meeting, Beijing, Liaoning, Zhejiang, Ningxia and other four provinces and CNPC made exchange speeches respectively, and the heads of relevant departments and bureaus, institutions and industry associations of the emergency management department and the main heads of relevant central enterprise safety management departments attended the meeting at the main venue; The heads of the emergency management departments at the provincial, municipal and county levels, as well as the relevant chemical parks and the main heads of enterprises attended the meeting at the branch venue.

Dongying Liangxin Petrochemical Technology Development Limited Company

Latest Price of Petroleum Ether – Junyuan Petroleum Group

Listed Price of Solvent Oil of Junyuan Petroleum Group

Unit Price: USD/MT

Petroleum Ether

Petroleum Fraction

Petroleum ether is the petroleum fraction consisting of aliphatic hydrocarbons and boiling in the range 35–60 °C, and commonly used as a laboratory solvent. Despite the name, petroleum ether is not classified as an ether; the term is used only figuratively, signifying extreme lightness and volatility.

• Average Molar mass: 82.20 g/mol

• Density: 0.65 g/cm³

  Alternate Chemical Names
  BENZINE (LIGHT PETROLEUM DISTILLATE)
  Hexane
  BENZOLINE
  BP 2
  BP 2 (SOLVENT)
  CANADOL
  LIGHT NAPHTHA
  LIGROIN
  NAPHTHA, LIGROINE
  PETROLEUM ETHER
  PETROLEUM SOLVENT
  REFINED SOLVENT NAPHTHA
  RUBBER SOLVENT
  SENECA OIL
  SKELLYSOLVE F
  SKELLYSOLVE G
  VIRO

Graduate students from Ocean University of China come to our company for exchange and visit

On the morning of July 22, a group of 5 graduate students majoring in Applied Chemistry from Ocean University of China came to our company for exchange and visit. Sun peisheng, the assistant general manager of the company, Wei fuchang, the director of the production and operation center, and chen huimin, the manager of the general office, attended the exchange.

Chen Huimin extended a warm welcome to the exchange students of Ocean University of China and introduced the company in detail. The graduate students listened carefully to the introduction and watched the company’s promotional videos. Wei fuchang led the exchange students to visit the factory and gave relevant explanations. Sun Peisheng had in-depth exchanges with students in the company’s products, research directions, cooperation fields and other aspects. This activity created opportunities for communication and learning between the company and the school, and laid a good foundation for the next step of school and enterprise cooperation.

Dongying Liangxin Petrochemical Technology Development Limited Company

Dongying Vocational College of Science and Technology visited our Company for Exchange and Investigation

On the morning of July 13, Miao Jin, Dean of the school of Economics and Management of Dongying Vocational College of Science and Technology, and his delegation came to our company for exchange and investigation. Chen Huimin, Manager of the General Office of the company, participated in this exchange activity. Chen Huimin extended a warm welcome to the leaders of the college, and the two sides had an in-depth exchange and Discussion on how to deepen school and enterprise cooperation. Miao Jin expressed the hope to reach long-term practical training friendly cooperation with the company.

Through this exchange activity, the communication and understanding between the company and the school have been strengthened, the friendly relationship between the two sides has been enhanced, and the foundation has been laid for further cooperation.

Dongying Liangxin Petrochemical Technology Development Limited Company, a subsidiary of Junyuan Petroleum Group, has been engaged in the export of butane, pentane, hexane and heptane since 2006. More than 15 years of experience enables you to rest without worrying about goods transportation.

Major customers include PetroChina, Sinopec, Shell, BASF, Saudi Basic Industries Corporation, China Coal, geothermal power plants and other foaming plants.
SGS, CIQ, BV, Rosh, ISO certificates are available.
Production Capacity: 1000,000 tons / year
After Sales Service: Dongying Liangxin Petrochemical Technology Development Limited Company enjoys a good reputation in the alkane industry. You can trust us completely.
Quality Assurance
As a quality-oriented company, we spare no effort to provide customers with the best range of products. In addition, we have hired a team of quality analysts to ensure that our industrial chemicals series meet international standards. Our quality analyst team maintains strict monitoring of the handling of chemicals and ensures that the range of various parameters is checked before sending chemicals to the client. The various parameters of our csindustrial chemical series tests are as follows:
Pure
PH value
Precise composition
For more information: info@junyuanpetroleumgroup.com

Product Name: Isohextane
CAS No.: 107-83-5
Packaging Type: in 137kg steel drum or 16MT Isotank
Main Applications of Isohexane: polymerization solvent, precision instrument cleaning and oil dilution. It can be used as fuel. Chinese name of Isohextane: 异己烷 (#Isohexane)

Physical and Chemical Properties

Appearance and Properties: colorless transparent liquid, slightly flavored, volatile liquid.
Melting point (℃): – 153 ℃ relative density (water = 1): 0.65
Boiling point (℃): 59 ~ 63 ℃ relative vapor density (air = 1): 3.0
Saturated vapor pressure (kPa): 23kpa (20 ℃) combustion heat (kJ / mol):
Critical temperature (℃): critical pressure (MPA): 3.03
Logarithm of octanol / water partition coefficient:
Flash point (℃): – 23 ℃ upper explosion limit% (V / V): 7.0%
Spontaneous combustion temperature (℃): 306 lower explosive limit% (V / V): 1.2%
Solubility: insoluble in water, soluble in ethanol, ether, benzene and other organic solvents.
Hazard category: class 3.1, low flash point flammable liquid.
Skin contact: wash immediately with soapy water.
Eye contact: rinse immediately, rinse with normal saline for more than 15 minutes, and seek medical advice.
Inhalation: move the patient to a place with fresh air for artificial respiration.
Ingestion: seek medical advice and do not induce vomiting.

Why use steel drums instead of plastic drums for flammable materials?

Plastic barrels have their own advantages, especially the convenient transportation and stacking of plastic ton barrels, which are more and more widely used.
Whether plastic barrels can be used for flammable materials (such as gasoline) is known to those with some experience. But why not, and whether not at all, is still unclear to many people.

What harm will ordinary plastic barrels bring when they contain flammable liquids?

First of all, when ordinary plastic barrels are in contact and friction with the outside world, especially during the handling of movable plastic barrels, static charges are accumulated on the surface area. When the static electricity accumulates to a certain extent, brush type power generation may occur. The maximum energy of brush type discharge can reach 10mJ. If this brush type discharge is right near the barrel mouth, it may ignite the flammable steam emitted from the barrel mouth and backfire, resulting in flash explosion in the barrel;
Secondly, when filling the ordinary plastic barrel with liquid, static electricity will be brought into the barrel due to the friction between the liquid and the filling pipe wall during filling, and static electricity will accumulate in the barrel. Brush discharge may occur between the liquid and the conductor, so as to ignite the flammable vapor cloud in the barrel and cause flash explosion in the barrel.
Junyuan Petroleum Group has 200ml and 500ml sample trial packages, 20L small drums and 200L large iron drums. The iron bucket will be sealed with a waterproof cover on the basis of the metal cover to ensure that the oil will not be polluted. If customers have other product packaging requirements, our company can provide them on demand.
Where does aromatics come from?

Where does aromatics come from?

Aromatic hydrocarbon, also known as aromatic hydrocarbon or aromatic oil, refers to the hydrocarbon with benzene ring structure in the molecule. It is one of the basic products and basic raw materials of petrochemical industry, mainly including benzene, toluene, xylene, ethylbenzene, etc. It is the general name of a series of solvents composed of isomers of C9 and C10 heavy aromatics.
Where does aromatics come from?

• 1. Extraction from coal

The light tar produced in the process of coal coking contains a lot of benzene. This is the initial method of producing benzene. The generated coal tar and gas are passed through the washing and absorption equipment, and the coal tar with high boiling point is used as the washing and absorption agent to recover the coal tar in the gas. After distillation, crude benzene and other high boiling point fractions are obtained. Crude benzene can be refined to obtain industrial grade benzene. The purity of benzene obtained by this method is relatively low, and the environmental pollution is serious, and the process is relatively backward.

• 2. Extraction from crude oil

This method is a general method for extracting aromatics. Crude oil refining reforming here refers to the process of cyclization and dehydrogenation of aliphatic hydrocarbons to form aromatics. This is a craft developed during the Second World War. At 500-525 ° C and 8-50 atmospheres, various aliphatic hydrocarbons with boiling points between 60-200 ° C are transformed into benzene and other aromatics through dehydrogenation and cyclization with platinum rhenium catalyst. Benzene is separated by distillation after aromatic products are extracted from the mixture. These fractions can also be used as high octane gasoline. Now, more than 90% of the world’s total production comes from oil.

Therefore, aromatics are the product of petrochemical industry, which also means that the market trend of aromatics fluctuates with oil.
The storage of Junyuan Petroleum Group is the largest manufacturer of Hexanes in China, with a manufacturing plant located in Shandong Province, the hometown of Confucius, with an storage area of 10,000 square meters and a storage capacity of 2,000 cubic meters. Sales inquiries: info@junyuanpetroleumgroup.com

-Drumed Isohexane Sales Resumed- Real subject

Pentane, Hexane and Heptane Prices, Upstream, Downstream, Analytics & Forecasts
Junyuan Petroleum Group – Dongying Liangxin Petrochemical Technology Development Limited Company | Address: No. 117, Guangqing Rd., Guangrao County, Dongying 257345 China.
Junyuan Petroleum Group is China’s largest manufacturer of blowing agents to the foam insulation markets. We have continued to grow with the development of next generation blowing agents, offering a variety of hydrocarbon products for the PIR, PUR and EPS markets, available in ISO tanks and drums. For more information, or for pricing please contact us: +86 178 1030 0898 Email: info@junyuanpetroleumgroup.com Web: www.junyuanpetroleumgroup.com.
China is the world’s largest buyer and drives prices in Asia and the global solvent trade. Our comprehensive news and pricing coverage of China and global solvent market is constantly updated by our raw material purchase, production and sales team of experts. Solvent markets can react to change quickly. It’s crucial for buyers, sellers and producers to stay alert and aware of what’s happening, both in their region and internationally. We help you stay abreast of change as it’s happening. We keep you informed of the current price and market position, so you can make the most of opportunities to trade or secure a deal.

The world’s leading manufacturer of Pentanes, Hexanes and Heptanes

Junyuan Petroleum Group is a China based company engaged in the manufacture of chemical products. The company operates under two business units: Green Chemistry and life sciences. Its green chemicals business sector provides polyethylene terephthalate (PETG) resin for cosmetic containers, building materials and household appliances, polyethylene terephthalate (PET) resin for PET bottle materials, polyester adhesive and coating industry for coil coating, and other products, such as industrial antibacterial agents, water treatment agents and biodiesel products. The purity of hydrocarbons produced by Junyuan Petroleum Group is 95-99.8%, which comes from modified naphtha or raffinate. The company’s annual revenue in 2021 is 5 billion Yuan.

Junyuan Petroleum Group is recognized as a leader in specialty chemicals. The company is committed to providing and developing new and more efficient products, such as n-heptane, in the electronics industry, especially in the fast-growing technology sector. Junyuan Petroleum Group chemical produces a broad portfolio of hydrocarbons used in many major industries, from paint dilution to dry cleaning fluids to pharmaceuticals. Junyuan Petroleum Group manufactures and sells various petrochemical products worldwide through its subsidiaries and affiliates, and has a strong user base in Belgium, Colombia, Qatar, Saudi Arabia, Singapore and the United States.

Junyuan Petroleum Group is one of the largest independent energy companies in China. In terms of market capitalization, the cash flow and production level of operating activities. Junyuan Petroleum Group chemicals is a leading supplier of heptane – our de aromatization part, special boiling point (SBP) aliphatic hydrocarbon solvent series. These high purity liquids have a stable composition and a fixed, narrow boiling range, making them particularly suitable for applications or industrial process conditions requiring specific evaporation / drying properties.

Junyuan Petroleum Group was founded in 2006 Junyuan Petroleum Group expects future trends and focuses on distribution at the beginning of this century. Financing, repackaging, timely delivery and after-sales service have become the main concerns. Junyuan Petroleum Group has various products and large global sales markets. The company offers many industries worldwide. The company provides the following categories of products: n-pentane, isopentane, pentane foaming agent, n-hexane, n-heptane, isohexane, n-octane, cyclopentane and other more than 20 kinds of core products.

Junyuan Petroleum Group is a professional group specializing in chemical products, which can respond to customer needs quickly and flexibly. In order to assist customers’ overseas strategy, the company makes full use of Junyuan Petroleum Group’s network as a partner to develop overseas markets and support local production systems. Junyuan Petroleum Group’s solvent group deals in various solvents, such as aromatic solvents, alcohol solvents and ester solvents, which are mainly used in the paint, ink and adhesive industries. As a leader in the aromatic solvent industry, the company also promotes the sales of various environmentally friendly solvents.

Junyuan Petroleum Group is a leading manufacturer of pentane, hexane, heptane and alkane series chemicals, with more than ten years of management experience in alkane series chemicals. In the field of pentane, heptane, hexane and alkane, the company has seven large subsidiaries and factories to ensure that its products are timely, maintained and stably supplied to customers. The company has become the largest comprehensive enterprise in the field of hexane and heptane chemicals in China.