Exhibit 5.1

April 21, 2015

Vertex Energy, Inc.

1331 Gemini Street, Suite 250

Houston, Texas 77058

Re: Form S-3 Registration Statement

Ladies and Gentlemen:

We have acted as counsel to Vertex Energy, Inc., a Nevada corporation (the “Company”), in connection with the filing, with the Securities and Exchange Commission (the “Commission”), by the Company, of a Registration Statement on Form S-3 (the “Registration Statement”) under the Securities Act of 1933, as amended, relating to the resale from time to time by the selling stockholder identified in the prospectus constituting a part of the Registration Statement of up to 2,257,781 shares of the common stock, par value $0.001 per share, of the Company (the “Shares”). This opinion is being furnished in accordance with the requirements of Item 16 of Form S-3 and Item 601(b)(5)(i) of Regulation S-K.

In reaching the opinions set forth herein, we have examined and are familiar with originals or copies, certified or otherwise identified to our satisfaction, of such documents and records of the Company and such statutes, regulations and other instruments as we deemed necessary or advisable for purposes of this opinion, including (i) the Company’s Articles of Incorporation, as amended to date, (ii) the Company’s Bylaws, as amended, (iii) the Registration Statement and the exhibits thereto, (iv) certain resolutions adopted by the Board of Directors of the Company relating to the Registration Statement and the Shares, and (v) such other certificates, instruments, and documents as we have considered necessary for purposes of this opinion letter.  We have also reviewed such matters of law as we considered necessary or appropriate as a basis for the opinion expressed below.

As to various questions of fact material to the opinions expressed below, we have, without independent third party verification of their accuracy, relied in part, and to the extent we deemed reasonably necessary or appropriate, upon the representations and warranties of the Company contained in such documents, records, certificates, instruments or representations furnished or made available to us by the Company, including the Registration Statement.

With your permission, we have made and relied upon the following assumptions, without any independent investigation or inquiry by us, and our opinion expressed below is subject to, and limited and qualified by the effect of, such assumptions:  (1) all corporate records furnished to us by the Company are accurate and complete; (2) the Registration Statement to be filed by the Company with the Commission will be identical to the form of the document that we have reviewed; (3) all statements as to factual matters that are contained in the Registration Statement (including the exhibits to the Registration Statement) are accurate and complete; and (4) the Company will at all times remain duly organized, validly existing, and in good standing under the laws of the State of Nevada.

The Loev Law Firm, PC

April 21, 2015

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We have also assumed (i) the legal capacity of all natural persons, (ii) the genuineness of all signatures, (iii) the authority of all persons signing all documents submitted to us on behalf of the parties to such documents, (iv) the authenticity of all documents submitted to us as originals, (v) the conformity to authentic original documents of all documents submitted to us as copies, and (vi) that all information contained in all documents reviewed by us is true, correct and complete.

Based on the foregoing, and subject to the assumptions, qualifications, limitations, and exceptions set forth herein and having due regard for such legal considerations we deem relevant, we are of the opinion that the Shares have been validly issued and such shares are fully paid and non-assessable.

This opinion is expressly limited in scope to the Shares enumerated herein which are to be expressly covered by the referenced Registration Statement. Without limiting the generality of the foregoing, we neither express nor imply any opinion regarding the contents of the Registration Statement, other than as expressly stated above with respect to the Shares.

We express no opinion as to the laws of any state or jurisdiction other than the laws governing corporations of the State of Nevada (including applicable provisions of the Nevada Constitution and reported judicial decisions interpreting such laws and such Constitution) and the federal laws of the United States of America. No opinion is expressed herein with respect to the qualification of the Shares under the securities or blue sky laws of any state or any foreign jurisdiction. We have made such examination of Nevada law as we have deemed relevant for purposes of this opinion.   We express no opinion as to any county, municipal, city, town or village ordinance, rule, regulation or administrative decision.

This opinion (i) is rendered in connection with the filing of the Registration Statement, (ii) is rendered as of the date hereof, and we undertake no, and hereby disclaim any kind of, obligation to advise you of any change or any new developments that might affect any matters or opinions set forth herein, and (iii) is limited to the matters stated herein and no opinions may be inferred or implied beyond the matters expressly stated herein.

             We hereby consent to the filing of this opinion with the Securities and Exchange Commission as an exhibit to the Registration Statement and further consent to statements made therein regarding our firm and use of our name under the heading “Legal Matters” in the prospectus constituting a part of such Registration Statement. In giving this consent, we do not thereby admit that we are within the category of persons whose consent is required under Section 7 of the Act or the rules and regulations of the Commission promulgated thereunder.

Sincerely, 

/s/ The Loev Law Firm, PC

The Loev Law Firm, PC