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Shipping Methods and Carriers
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FedEx
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UPS
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USPS
The choice of carrier is determined by factors such as destination, weight, and delivery timeframe to provide optimal service.
Shipping Rates and Fees
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Free shipping is provided for all orders over $199.
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Orders under $199 will incur a flat-rate shipping fee of $7.99.
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All orders shipped within the United States will be subject to a sales tax charge of 5%.
Estimated Delivery Time
Once shipped, orders typically arrive within 6 to 10 business days. Our delivery times are from Monday to Friday, 8:00 AM – 6:00 PM Pacific Time (PT). Please allow additional time for deliveries to remote or rural locations.
Shipping Restrictions
Zetlly currently ships exclusively within the United States. At present, we do not offer international shipping or deliveries to P.O. boxes or APO/FPO addresses. Orders placed with addresses outside our designated delivery areas will be canceled, and refunds will be processed accordingly.
Tracking Your Order
Upon shipment, customers will receive a confirmation email containing tracking information. You can track your order directly through the provided tracking link or by visiting the carrier’s official website:
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Eligibility for Returns and Exchanges
We accept returns and exchanges within 30 days from the date your order is delivered. Items must be unused, in the original condition, and accompanied by the original packaging and receipt or proof of purchase.
How to Return or Exchange an Item
To initiate a return or exchange, please follow these steps:
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Contact our customer support at [email protected] with your order number and reason for return or exchange.
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Our team will respond within 24 hours to provide detailed instructions, including the specific Return Address for your shipment.
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Package your item securely and include all original packaging and proof of purchase.
Return shipments should be sent to: Blanq LLC 1201 South Hope Street Apt 2413, Los Angeles, CA 90015, USA
Return Conditions
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Items must be returned in their original condition, unworn, undamaged, and complete with all original packaging and documentation.
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Items returned without prior authorization or not meeting the above conditions may not qualify for a refund or exchange.
Return Shipping Costs
Customers are responsible for return shipping costs unless the return is due to our error or a defective product. We recommend using a trackable shipping service to ensure your return reaches us safely.
Non-Returnable Items
The following items cannot be returned:
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Digital products (e-books or downloadable content)
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Personalized or customized items
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Gift cards
Accepted Payment Methods
Zetlly accepts the following secure and widely trusted payment options:
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PayPal: Easily pay through your PayPal account, benefiting from secure transactions and buyer protection.
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Stripe: Pay securely using major credit and debit cards including Visa, MasterCard, American Express, and Discover via Stripe’s encrypted payment gateway.
Payment Security
At Zetlly, your security is our utmost priority. We utilize advanced encryption technologies and robust security protocols provided by PayPal and Stripe. All payment information entered on our site is encrypted using Secure Socket Layer (SSL) technology, ensuring your financial information remains private and secure throughout the transaction process.
Zetlly does not store any credit card or sensitive financial information directly on our servers, further enhancing the security and protection of your personal data.
Payment Process and Confirmation
Upon placing an order, your chosen payment method (PayPal or Stripe) will immediately process the transaction. You will receive an automated confirmation email shortly after your payment has been successfully completed, detailing your transaction and order summary.
Please retain this confirmation email for your records and reference in case of any inquiries or disputes.
This book covers petroleum refining and gas purification processes, including refinery configurations comprising of relevant units with special emphasis on processing of heavy crudes with high acid number.
It includes a short review of distillation principles, distillation column auxiliaries, critical column pressure control strategies, critical issues of crude and vacuum distillation units particularly for heavy crude processing. Different corrosion mechanisms and their prevention with regards to heavy high TAN crude processing are also included. Fundamentals are explained with support of steady-state simulation and presented with simulation flowsheets and outputs, supported by examples of calculations and troubleshooting case studies. Features: � Deals with principles and practices in the hydrocarbon industry and petroleum refinery with emphasis on heavy crude processing � Focuses on operation and practices of the major process units with simulation examples and aimed at the professional engineer � Covers acid gas treatment in view of increased emphasis on carbon capture and storage, and introduction of residue gasification processes � Elucidates methodologies for safety relief load computation for distillation columns � Explains real-life problems in reboilers, column internals, column pressure controls and corrosion in crude, and vacuum distillation and secondary units with several case studies This book is aimed at professionals in petroleum engineering and graduate students in chemical engineering. Additional ISBNs 9781032214054, 9781003268246, 9781000789720Hydrocarbon Processing and Refining: Principles and Practices 1st Edition is written by Ashis Nag and published by CRC Press. ISBNs for Hydrocarbon Processing and Refining are 9781000789959, 1000789950 and the print ISBNs are 9781032214030, 1032214031. Additional ISBNs include 9781032214054, 9781003268246, 9781000789720.
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